JP2019204447A - Server device and program - Google Patents

Abstract

To provide a server device and a program with which it is possible to assist in commodity purchase using electronic receipt information.SOLUTION: The server device comprises: management means for managing electronic receipt information that includes a commodity identifier for identifying the commodity purchased by a consumer in correlation to a consumer identifier for identifying the consumer; determination means for determining, on the basis of inventory information in which the stock quantity of each commodity sold in a store, whether or not a commodity corresponding to the commodity identifier is purchasable; generation means for generating purchase information pertaining to the purchase of a commodity corresponding to the commodity identifier when the determination means determines as purchasable, and generating purchase information pertaining to the purchase of an alternative item for the commodity corresponding to the commodity identifier when determination means determines as non-purchasable; and provision means for providing the electronic receipt information correlated to the consumer identifier to a client device correlated to the consumer identifier, as well as providing the purchase information generated in correspondence to the commodity identifier included in the electronic receipt information.SELECTED DRAWING: Figure 11

Description

  Embodiments described herein relate generally to a server device and a program.

  2. Description of the Related Art Conventionally, at a retail store, when a transaction such as purchase of a product is performed, a receipt indicating the content of the transaction is printed on paper and handed to a consumer. Recently, an electronic receipt system that transmits an electronic receipt (electronic receipt information) to a consumer's terminal is known. In such an electronic receipt system, the membership code of each consumer registered in advance and the delivery address of the electronic receipt are managed in association with each other. When a member code is presented by a consumer at the time of a transaction at a store or the like, electronic receipt information is transmitted to a destination address corresponding to the member code.

  On the other hand, the consumer can confirm the contents of the transaction in the same manner as the paper receipt by referring to the transmitted electronic receipt information using a client device such as a smartphone. Thus, by converting the receipt into electronic data, the purchase history of the product can be easily referred to, which is beneficial to consumers.

  By the way, some consumers may purchase a product purchased in the past again. In this case, the consumer can check the product purchased by referring to the electronic receipt information, the store where the product was purchased, and the like. However, in the conventional technology, it is not possible to confirm whether or not the target product or a substitute for the product can be purchased from the electronic receipt information. Therefore, the consumer may grasp that the target product (or alternative product) is out of stock after arriving at the store, and there is room for improvement in terms of convenience.

  The problem to be solved by the present invention is to provide a server device and a program capable of supporting purchase of a product using electronic receipt information.

  The server device according to the embodiment is sold at a store, management means for managing electronic receipt information including a product identifier for identifying a product purchased by a consumer in association with the consumer identifier for identifying the consumer. Determining means for determining whether or not the product corresponding to the product identifier can be purchased based on the inventory information in which the inventory points of each product are recorded, and the product corresponding to the product identifier when the determining means determines that the product can be purchased. Generating purchase information related to the purchase, and generating means for generating purchase information related to the purchase of a substitute for the product corresponding to the product identifier when the determination unit determines that the purchase is not possible; Provide the electronic receipt information associated with the consumer identifier to the associated client device, and the product identifier included in the electronic receipt information Comprises a providing means for providing the purchase information generated correspondingly, the.

FIG. 1 is a diagram illustrating an example of a configuration of an electronic receipt system according to the embodiment. FIG. 2 is a diagram illustrating an example of a member code displayed on the mobile terminal according to the embodiment. FIG. 3 is a diagram illustrating an example of a hardware configuration of the POS terminal according to the embodiment. FIG. 4 is a diagram illustrating an example of a hardware configuration of the store server according to the embodiment. FIG. 5 is a diagram illustrating an example of a hardware configuration of the electronic receipt server according to the embodiment. FIG. 6 is a diagram illustrating an example of a hardware configuration of the mobile terminal according to the embodiment. FIG. 7 is a diagram illustrating an example of a functional configuration of the POS terminal according to the embodiment. FIG. 8 is a diagram illustrating an example of a functional configuration of the electronic receipt server according to the embodiment. FIG. 9 is a diagram illustrating an example of a functional configuration of the mobile terminal according to the embodiment. FIG. 10 is a diagram illustrating an example of electronic receipt information displayed on the mobile terminal according to the embodiment. FIG. 11 is a diagram illustrating an example of purchase support information displayed on the mobile terminal according to the embodiment. FIG. 12 is a diagram illustrating another example of purchase support information displayed on the mobile terminal according to the embodiment. FIG. 13 is a flowchart illustrating an example of an electronic receipt providing process executed by the electronic receipt server of the embodiment. FIG. 14 is a flowchart illustrating an example of a purchase support process executed by the mobile terminal according to the embodiment.

  FIG. 1 is a diagram illustrating an example of a configuration of an electronic receipt system according to the present embodiment. As shown in FIG. 1, the electronic receipt system 1 includes a POS terminal 2, a store server 3, an electronic receipt server 4, and a portable terminal 5.

  The POS terminal 2 and the store server 3 are provided in each store P1. The POS terminal 2 and the store server 3 are communicably connected via a network N1 such as a LAN (Local Area Network) provided in the store P1. The POS terminal 2 and the store server 3 can be connected to a network N2 that connects the store P1 and the electronic receipt server 4 via a network device (not shown) such as a router connected to the network N1. The network N2 is, for example, the Internet or a VPN (Virtual Private Network).

  The POS terminal 2 is an example of a merchandise sales data processing device. Processing related to various transactions such as product sales registration is executed, and receipt information indicating the transaction content is generated. The POS terminal 2 outputs a paper receipt by printing the generated receipt information with a printer 23 described later. Further, the POS terminal 2 generates electronic receipt information obtained by converting the data format of the receipt information, and outputs (transmits) it to the electronic receipt server 4 via the store server 3 or the like. The number of POS terminals 2 provided in the store P1 is not particularly limited, and a plurality of POS terminals 2 may be provided.

  The store server 3 manages the products sold at its own store P1 and manages the POS terminal 2 provided at its own store P1. For example, the store server 3 manages a product master in which a product code (product identifier) that can identify each product sold in the store P1 is associated with the product name, unit price, and the like of the product. The store server 3 collects and manages receipt information and electronic receipt information generated by each POS terminal 2. Further, the store server 3 transmits the electronic receipt information collected from each of the POS terminals 2 to the electronic receipt server 4. Moreover, the store server 3 manages the stock score of each product sold in the store P1 based on the transaction content included in the receipt information and the electronic receipt information.

  The electronic receipt server 4 is an example of a server device. The electronic receipt server 4 manages member information regarding a consumer (hereinafter also referred to as a member) who has registered in the system according to a procedure described later. The member information includes a member code (consumer identifier) that can identify each member, a name, a transmission destination address (for example, an electronic mail address) of the portable terminal 5 that is a transmission destination of electronic receipt information, and the like.

  When receiving the electronic receipt information from each of the stores P1 (store server 3), the electronic receipt server 4 stores and manages the electronic receipt information in a predetermined storage area. In addition, each time new electronic receipt information is stored, the electronic receipt server 4 identifies the transmission destination (portable terminal 5) by referring to the transmission destination address associated with the member code of the electronic receipt information. . Then, the electronic receipt server 4 provides (transmits) electronic receipt information to the specified transmission destination via the network N3 described later. When the electronic receipt server 4 receives an inquiry command for specifying a member code from the mobile terminal 5, the electronic receipt server 4 extracts an electronic receipt associated with the member code and provides (transmits) the electronic receipt to the mobile terminal 5.

  In the present embodiment, a configuration in which the POS terminal 2 generates electronic receipt information will be described, but it is not limited thereto. For example, the receipt information generated by the POS terminal 2 may be converted into electronic receipt information by the store server 3 and transmitted to the electronic receipt server 4. Alternatively, the receipt information transmitted from the POS terminal 2 or the store server 3 may be converted into electronic receipt information by the electronic receipt server 4.

  The portable terminal 5 is an example of a client device, and is used by a user of the system (hereinafter also referred to as a consumer). Examples of the mobile terminal 5 include a smartphone, a mobile phone, a PDA (Personal Digital Assistant), and a tablet computer. The portable terminal 5 is mounted with an application such as a Web browser for browsing various information provided from the electronic receipt server 4 or the like. Instead of the portable terminal 5, a stationary client device such as a PC (Personal Computer) may be applied.

  The portable terminal 5 performs membership registration for this system by accessing the electronic receipt server 4 via the network N3. Here, the network N3 is the Internet or various public networks.

  For example, consumer membership registration in this system is performed in the following procedure. The consumer transmits a blank mail to the electronic receipt server 4 by using the mobile terminal 5. The electronic receipt server 4 transmits a URL (Uniform Resource Locator) indicating a page for member registration to the received mail address. The consumer accesses the URL indicating the page for member registration from the mobile terminal 5 and displays an input screen for inputting items (name, destination address, etc.) necessary for member registration. After completing the input of necessary items by the consumer, the electronic receipt server 4 executes member registration for the member master based on the input information. Thereafter, the electronic receipt server 4 delivers a member registration completion mail including a member code to the portable terminal 5. This completes member registration.

  After the member registration, the portable terminal 5 displays the consumer's member code on the display unit 53 as a code symbol CS such as a barcode or a two-dimensional code, as shown in FIG. FIG. 2 is a diagram illustrating an example of the member code displayed on the mobile terminal 5.

  The consumer presents the code symbol CS displayed on the portable terminal 5 to the operator of the POS terminal 2 at the time of transaction settlement in the store P1. The operator reads the code symbol CS displayed on the portable terminal 5 with the code scanner 25 (see FIG. 3) connected to the POS terminal 2. Thereby, the POS terminal 2 can associate the consumer's member code with the receipt information generated at the time of the transaction.

  Moreover, the portable terminal 5 receives the electronic receipt information of the said transaction provided from the electronic receipt server 4 after the transaction with the POS terminal 2 via the network N3. In addition, the mobile terminal 5 receives the electronic receipt information related to the member code from the electronic receipt server 4 by transmitting an inquiry command specifying the member code to the electronic receipt server 4.

  Next, a hardware configuration of main devices constituting the electronic receipt system 1 will be described.

  FIG. 3 is a diagram illustrating an example of a hardware configuration of the POS terminal 2. As shown in FIG. 3, the POS terminal 2 includes a control unit 21 that controls various operations and each unit of the POS terminal 2. The control unit 21 includes a CPU (Central Processing Unit), a ROM (Read Only Memory) for storing various programs and data, a RAM (Random Access Memory) for temporarily storing various programs and rewritable data, It has a computer configuration such as an RTC (Real Time Clock) unit that measures the current date and time.

  The control unit 21 is connected to the operation unit 22, the printer 23, the display unit 24, the code scanner 25, the card reader 26, and the communication I / F 27 via the bus 29.

  The operation unit 22 has various operation keys for an operator to input an operation. As operation keys, for example, a numeric key for inputting a numerical value, a cursor key for selecting a predetermined item, a selection determination key, and a subtotal key for instructing a total output of products for which sales are registered in a transaction are provided. It has been. In addition, a transaction start key for declaring the start of various transactions, a lock key for declaring the close of one transaction, and the like are provided.

  The printer 23 is a printer device that prints receipts, journals, and the like. The printer 23 prints the receipt information on paper such as roll paper under the control of the control unit 21.

  The display unit 24 is a display device such as a liquid crystal display. The display unit 24 displays various information such as the product name, the price, the total amount of one transaction for which settlement has been declared, and the change amount of the merchandise registered for sales. The display unit 24 includes a first display 24a that displays various types of information for the cashier and a second display 24b that displays various types of information mainly for the consumer. The display unit 24 may have a touch panel configuration. In this case, the touch panel functions as the operation unit 22.

  The code scanner 25 is a scanner device that optically reads a code symbol such as a barcode or a two-dimensional code. For example, the code scanner 25 reads a code symbol attached to a product, a code symbol displayed on the mobile terminal 5, and outputs the read information to the control unit 21. In addition, the code symbol attached to the product holds a product code for specifying the product. Further, the code symbol displayed on the mobile terminal 5 holds a member code or the like for specifying the consumer who owns the mobile terminal 5.

  The card reader 26 is a reader device that reads information held in a card medium. As the card reader 26, for example, a magnetic card reader that magnetically reads information held in a card medium, an IC card reader that reads using a short-range wireless communication technology such as RFID, and the like can be used.

  The communication I / F 27 is a communication device that can be connected to the network N1 or the network N2. The control unit 21 performs communication with an external device connected to the network N1 or the network N2 via the communication I / F 27.

  The control unit 21 is connected to the storage unit 28 via the bus 29. The storage unit 28 is an auxiliary storage device such as an HDD (Hard Disk Drive) or an SSD (Solid State Drive). The storage unit 28 stores programs for executing various POS operations and various setting information. The storage unit 28 also stores a POS code for identifying the own POS terminal 2 from other POS terminals 2, a store code indicating the store P1 where the own POS terminal 2 is installed, and the like in the identification code management area 28a. Remember.

  In the POS terminal 2 configured as described above, the control unit 21 executes processing related to the transaction instructed by the operator, and generates receipt information corresponding to the transaction. For example, the receipt information includes a store code, a POS code, a transaction date and time when the transaction was performed, a transaction number for identifying the transaction, and the like. Further, the receipt information includes a product code, a product name, a unit price, a sales quantity, a total amount, a payment amount, a change, and the like of a sold product.

  Further, the control unit 21 determines an output method of the generated receipt information according to whether or not a member code is input. Specifically, when the member code is not input, the control unit 21 outputs the receipt information to the printer 23, thereby printing the receipt information on a sheet. In addition, when the member code is input, the control unit 21 transmits (outputs) the electronic receipt information generated based on the receipt information to the store server 3.

  FIG. 4 is a diagram illustrating an example of a hardware configuration of the store server 3. As shown in FIG. 4, the store server 3 includes a control unit 31 that comprehensively controls various operations and each unit of the store server 3. The control unit 31 has a computer configuration such as a CPU, a ROM that stores various programs and data, a RAM that temporarily stores various programs and stores various data in a rewritable manner, and an RTC unit that measures the current date and time.

  The control unit 31 is connected to the communication I / F 32 and the storage unit 33 via the bus 34. The communication I / F 32 is a communication device that can be connected to the network N1 or the network N2. The control unit 31 performs communication with an external device connected to the network N1 or the network N2 via the communication I / F 32.

  The storage unit 33 is an auxiliary storage device such as an HDD or an SSD. The storage unit 33 stores various programs that can be executed by the CPU of the control unit 31 and various setting information. The storage unit 33 also stores the receipt information and electronic receipt information generated by the POS terminal 2 in the store receipt management area 33a. In addition, the storage unit 33 stores, for each product code of each product, a product master storing product information such as a product name, a unit price, and image data (product image) representing the product in the product master management area 33b. . In addition, the storage unit 33 stores, in the inventory management area 33c, inventory information in which the product inventory number of each product is associated with each product code sold at the store P1.

  In the store server 3 configured as described above, the control unit 31 collects receipt information and electronic receipt information generated by each of the POS terminals 2 and stores them in the store receipt management area 33a. Further, the control unit 31 transmits the collected electronic receipt information to the electronic receipt server 4 at a predetermined timing.

  In addition, the control unit 31 publishes the product master stored in the product master management area 33b so that the POS terminal 2 can refer to it, and transmits (distributes) the product master to the POS terminal 2. The control unit 31 may disclose the product master stored in the product master management area 33b so that the electronic receipt server 4 can refer to the product master, or may transmit the product master to the electronic receipt server 4.

  In addition, the control unit 31 subtracts the sales score of the sold product (product code) included in the receipt information and the electronic receipt information from the stock score of the corresponding product code stored in the inventory information in the inventory management area 33c. As a result, the stock points of each product are updated sequentially. In addition, the control unit 31 publishes the inventory information stored in the inventory management area 33 c so that the electronic receipt server 4 can refer to it, or transmits it to the electronic receipt server 4. Note that each time the product is replenished, the control unit 31 adds the replenished purchase score to the corresponding product inventory score. Further, in order to avoid double counting, the control unit 31 updates the stock score based on either one of the receipt information and the electronic receipt information having the same transaction number.

  The timing at which the control unit 31 transmits the product master, the electronic receipt information, and the inventory information is not particularly limited, and any timing can be set. For example, the control unit 31 may transmit the product master, the electronic receipt information, and the inventory information to the electronic receipt server 4 at a predetermined time or every predetermined time interval. The control unit 31 may transmit the electronic receipt information to the electronic receipt server 4 every time a transaction is performed at the POS terminal 2, that is, every time electronic receipt information is transmitted from the POS terminal 2. Further, the control unit 31 may transmit the inventory information to the electronic receipt server 4 every time the inventory information is updated. In addition, the control unit 31 may transmit a set of the product code and the number of inventory points whose quantity has changed to the electronic receipt server 4 as inventory information. In the present embodiment, a configuration example in which the control unit 31 transmits electronic receipt information and inventory information to the electronic receipt server 4 will be described.

  FIG. 5 is a diagram illustrating an example of a hardware configuration of the electronic receipt server 4. As shown in FIG. 5, the electronic receipt server 4 includes a control unit 41 that comprehensively controls various operations and each unit of the electronic receipt server 4. The control unit 41 has a computer configuration such as a CPU, a ROM that stores various programs and data, a RAM that temporarily stores various programs and stores various data in a rewritable manner, and an RTC unit that measures the current date and time.

  The control unit 41 is connected to the communication I / F 42 and the storage unit 43 via the bus 44. The communication I / F 42 is a communication device that can be connected to the network N2 or the network N3. The control unit 41 communicates with an external device connected to the network N2 or the network N3 via the communication I / F 42.

  The storage unit 43 is an auxiliary storage device such as an HDD or an SSD. The storage unit 43 stores various programs and various setting information that can be executed by the CPU of the control unit 41.

  In addition, the storage unit 43 stores, in the member master management area 43a, a member master that stores member information such as the member's name and destination in association with the member code of each member.

  Moreover, the memory | storage part 43 memorize | stores the electronic receipt information transmitted from each store P1 (store server 3) in the electronic receipt management area | region 43b. The storage unit 43 stores the inventory information transmitted from each of the stores P1 (store server 3) in the inventory management area 43c.

  In addition, the storage unit 43 stores the product master in the product master management area 43d as data relating to generation of purchase support information described later. Here, the merchandise master stored in the merchandise master management area 43d is the same as the merchandise master held by the store server 3, and relates to the merchandise such as the merchandise name, price, and merchandise image in association with the merchandise code of each merchandise. Store information. When the price setting of the product is different for each store P1, the product master management area 43d stores the product master used in the store P1 in association with the store code of the store P1. Further, for example, when the price setting of the product is common to each store P1, the product master management area 43d stores one product master used in each store P1.

  Further, the storage unit 43 stores the substitute product master in the substitute product master management area 43e as data relating to generation of purchase support information described later. The substitute product master sets a correspondence relationship between the product code of each product and the product code of another product that is a substitute product of the product. For example, when the substitute for the product B is the product D or the reverse relationship is established, the product code of the product B and the product code of the product D are associated with each other. The relationship between the product and the substitute for the product is not limited to one-to-one, and may be one-to-many. Further, the relationship between the product and the substitute for the product is not limited to the mutual relationship, and may be a one-way relationship.

  In addition, the selection criteria for alternative products are not particularly limited. For example, the alternative product may be another product of the same type, or a product having similar functions and components. The substitute product master may be configured to be settable from a specific external device (for example, a terminal device of a company that manufactures products) via the network N2 or the network N3. As a result, a company that manufactures a product can set a new product sold by the company as a substitute, and can efficiently perform a transition work from the old product to the new product.

  In the electronic receipt server 4 configured as described above, when receiving the electronic receipt information from the store server 3 of the store P1, the control unit 41 stores the received electronic receipt information in the electronic receipt management area 43b. Further, when receiving the inventory information from the store server 3 of the store P1, the control unit 41 updates the inventory information in the inventory management area 43c stored in association with the store code of the store P1 that is the transmission source.

  Further, every time new electronic receipt information is stored in the electronic receipt management area 43b, the control unit 41 identifies the transmission destination by referring to the transmission destination address associated with the member code of the new electronic receipt information. Then, the control unit 41 provides (transmits) the new electronic receipt information stored in the electronic receipt management area 43b to the specified transmission destination. In addition, when the electronic receipt inquiry specifying the first member code is received from the portable terminal 5, the control unit 41 extracts electronic receipt information corresponding to the member code from the electronic receipt management area 43b. Then, the control unit 41 provides the extracted electronic receipt information to the mobile terminal 5.

  Further, when providing the electronic receipt information to the mobile terminal 5, the control unit 41 determines whether or not the product recorded in the electronic receipt information can be purchased based on the inventory information of the store P1 that issued the electronic receipt information. judge. And the control part 41 produces | generates the purchase assistance information according to the determination result of purchase propriety, adds to electronic receipt information, and provides (transmits) to the portable terminal 5. FIG. Here, the purchase support information is an example of purchase information.

  FIG. 6 is a diagram illustrating an example of a hardware configuration of the mobile terminal 5. As illustrated in FIG. 6, the mobile terminal 5 includes a control unit 51 that comprehensively controls various operations and each unit of the mobile terminal 5. The control unit 51 has a computer configuration such as a CPU, a ROM that stores various programs and data, a RAM that temporarily stores various programs and stores various data in a rewritable manner, and an RTC unit that measures the current date and time.

  The control unit 51 is connected to the operation unit 52 and the display unit 53 via the bus 56. The operation unit 52 includes various operation keys and a pointing device for the user to perform operation input. The display unit 53 is a liquid crystal display, for example, and displays various types of information such as electronic receipt information to be described later. The display unit 53 may have a touch panel configuration. In this case, the touch panel functions as the operation unit 52.

  The control unit 51 is connected to the communication I / F 54 and the storage unit 55 via the bus 56. The communication I / F 54 is a communication device that can be connected to the network N3. The control unit 51 performs communication with an external device connected to the network N3 via the communication I / F 54.

  The storage unit 55 is an auxiliary storage device such as an HDD or an SSD. The storage unit 55 stores various programs and various setting information that can be executed by the CPU of the control unit 51, such as a Web browser for browsing various types of information (contents). In addition, the storage unit 55 stores the member code assigned to the consumer who owns the mobile terminal 5 in the member code management area 55a.

  In the portable terminal 5 configured as described above, the control unit 51 receives electronic receipt information provided from the electronic receipt server 4. Further, the control unit 51 requests the electronic receipt server 4 for electronic receipt information by transmitting an inquiry command for designating the member code stored in the member code management area 55 a to the electronic receipt server 4. Then, the control unit 51 displays the electronic receipt information received from the electronic receipt server 4 on the display unit 53.

  Next, the functional configuration of main devices constituting the electronic receipt system 1 will be described.

  FIG. 7 is a diagram illustrating an example of a functional configuration of the POS terminal 2. The control unit 21 (CPU) of the POS terminal 2 includes a receipt information generation unit 211 and an output processing unit 212 as functional units by cooperating with a program stored in the ROM or the storage unit 28.

  The receipt information generation unit 211 is a functional unit that mainly generates various transactions and receipt printing data (receipt information). Specifically, when the receipt information generation unit 211 is instructed to start a transaction via the transaction start key or the like of the operation unit 22, the receipt information generation unit 211 executes processing corresponding to the transaction, and prints data corresponding to the transaction. Generate.

  For example, the receipt information generation unit 211 acquires a product code for specifying a product via the code scanner 25 when an instruction to execute sales registration of the product is instructed as a transaction type. Next, the receipt information generation unit 211 reads product data corresponding to the product code from the product master. In addition, the receipt information generation unit 211 executes product sales data processing for calculating a settlement amount based on the unit price included in the read product data. And the receipt information generation part 211 produces | generates the receipt information which shows the breakdown of the transaction.

  In addition, the receipt information generation unit 211 receives an input of a member code for specifying a consumer at any timing during one transaction. Specifically, when the member code is read via the code scanner 25, the receipt information generation unit 211 determines that the input of the member code has been accepted. When receiving the input of the member code, the receipt information generating unit 211 adds the input member code to the receipt information.

  The output processing unit 212 is a functional unit that performs processing related to output of receipt information generated by the receipt information generation unit 211. The output processing unit 212 determines the output destination of the receipt information according to whether or not a member code is added to the receipt information.

  Specifically, when the membership code is not added to the receipt information, the output processing unit 212 outputs the receipt information to the printer 23 to print the receipt information on the paper. On the other hand, when the member code is added to the receipt information, the output processing unit 212 generates electronic receipt information by converting the receipt information into a predetermined data format according to a predetermined conversion rule. The output processing unit 212 transmits (outputs) the generated receipt information and electronic receipt information to the store server 3. When electronic receipt information is generated from receipt information, the output processing unit 212 may transmit both the receipt information and the electronic receipt information, or may transmit only the electronic receipt information.

  The electronic receipt information is composed of structured format data (structured document) such as XML or CSV. Conversion from receipt information to electronic receipt information is performed based on a predetermined conversion rule. For example, a conversion rule defines a predetermined element that constitutes receipt information and attribute information (such as a tag) indicating the attribute of the element, and is structured by attaching attribute information corresponding to each element. Is done. For example, attribute information corresponding to the element is attached to each element such as a member code, a store code, a POS number, a product code, a product name, and a sales quantity included in the receipt information.

  The output processing unit 212 generates structured electronic receipt information by structuring each element of the receipt information using corresponding attribute information. By using electronic receipt information in such a structured format, elements included in the electronic receipt information can be used efficiently, and various advantages can be obtained in data management.

  FIG. 8 is a diagram illustrating an example of a functional configuration of the electronic receipt server 4. The control unit 41 (CPU) of the electronic receipt server 4 cooperates with a program stored in the ROM or the storage unit 43 to receive a reception unit 411, an information management unit 412, an electronic receipt provision unit 413, and purchase information. A transfer unit 414 is provided as a functional unit.

  The accepting unit 411 accepts various information and requests transmitted from an external device. For example, the reception unit 411 receives electronic receipt information, inventory information, and the like transmitted from each store P1 (store server 3). The accepting unit 411 accepts an inquiry command transmitted from the mobile terminal 5. In addition, the reception unit 411 receives backward purchase information transmitted from the mobile terminal 5.

  The information management unit 412 is an example of a management unit. The information management unit 412 manages various information received by the reception unit 411. For example, when the consumer is registered as a member, the information management unit 412 stores the input member information in the member master management area 43a in association with the member code.

  In addition, the information management unit 412 stores the electronic receipt information received by the receiving unit 411 in the electronic receipt management area 43b, so that the electronic receipt information including the product code of the product purchased by the consumer is stored in the consumer. Are managed in association with consumer codes. The information management unit 412 is configured to manage electronic receipt information for each consumer code by storing the electronic receipt information in association with the consumer code based on the consumer code included in the electronic receipt information. It is good.

  Further, the information management unit 412 sequentially updates the inventory information in the inventory management area 43c stored in association with the store code of the store P1 that is the transmission source, based on the inventory information received by the reception unit 411.

  The electronic receipt providing unit 413 is an example of a determination unit, a generation unit, and a providing unit. The electronic receipt providing unit 413 provides electronic receipt information to the mobile terminal 5 of each member. Specifically, when new electronic receipt information is stored in the electronic receipt management area 43b, the electronic receipt providing unit 413 sends a destination address associated with the member code of the electronic receipt information from the member master management area 43a. Identify. And the electronic receipt provision part 413 provides the new electronic receipt information memorize | stored in the electronic receipt management area | region 43b to the portable terminal 5 of the specified transmission destination address.

  In addition, when the receiving unit 411 receives an inquiry command specifying a member code, the electronic receipt providing unit 413 extracts electronic receipt information including the member code from the electronic receipt management area 43b. Then, the electronic receipt providing unit 413 provides the extracted electronic receipt information to the mobile terminal 5 that has transmitted the inquiry command.

  Here, the method of providing the electronic receipt information is not particularly limited, and various methods can be employed. For example, the extracted electronic receipt information may be transmitted directly to the mobile terminal 5. In addition, the extracted electronic receipt information may be provided so as to be viewable (displayable) on the mobile terminal 5 by using a Web technique or the like.

  Further, when providing electronic receipt information, the electronic receipt providing unit 413 determines whether or not to purchase each product included in the transaction content of the electronic receipt information based on the inventory information stored in the inventory management area 43c. Specifically, the electronic receipt providing unit 413 reads inventory information corresponding to the store code included in the electronic receipt information from the inventory management area 43c. Next, the electronic receipt providing unit 413 determines whether or not the stock score of each product (product code) included in the electronic receipt information is greater than or equal to a threshold value. The electronic receipt providing unit 413 determines that a product whose inventory score is greater than or equal to the threshold value can be purchased, and determines that a product whose inventory score is less than the threshold value cannot be purchased. Here, a threshold value that is a criterion for determining whether or not to purchase can be arbitrarily set. For example, the threshold value may be “1”, “5”, or the like.

  When it is determined that the product can be purchased, the electronic receipt providing unit 413 reads product information corresponding to the product code of the product from the product master stored in the product master management area 43d. And the electronic receipt provision part 413 produces | generates the purchase assistance information for assisting the purchase of the goods determined to be purchaseable based on the read merchandise information. When a product master is prepared for each store code, the electronic receipt providing unit 413 generates purchase support information based on the product master of the store code included in the electronic receipt information.

  If the electronic receipt providing unit 413 determines that the product cannot be purchased, the electronic receipt providing unit 413 specifies the product code of the substitute product associated with the product code of the product from the substitute product master stored in the substitute product master management area 43e. To do. Next, the electronic receipt providing unit 413 determines whether or not the replacement product can be purchased based on the inventory points of the product code of the replacement product from the inventory information stored in the inventory management area 43c. When the electronic receipt providing unit 413 determines that the substitute product can be purchased, the electronic receipt providing unit 413 reads product information corresponding to the product code of the substitute product from the product master stored in the product master management area 43d. Then, the electronic receipt providing unit 413 generates purchase support information for supporting the purchase of the substitute product based on the read product information.

  The purchase support information includes, for example, a product name, a price, a product image, and the like of a product (hereinafter also referred to as an original product) or an alternative product to be purchased. The purchase support information includes a purchase operator (GUI) and the like for inputting purchase points and instructing purchase.

  Here, the purchase operator includes, for example, a store code of electronic receipt information, a product code of a product instructed to purchase, an input purchase score, a member code held by the mobile terminal 5 in accordance with a user operation. The purchase information is configured to be transmitted to the electronic receipt server 4. Further, the purchase operator may be configured to limit the upper limit value of purchase points that can be input. Such an upper limit may be a predetermined constant, for example, or may be changed according to the number of stock points.

  When the electronic receipt providing unit 413 determines that the product cannot be purchased, the electronic receipt providing unit 413 may generate the purchase support information including the product information of the original product together with the product information of the substitute product. In this case, the product information of the original product may be arranged so that it can be displayed in a state comparable to the product information of the substitute product. However, since the original product cannot be purchased, it is preferable that the product name and the product image merchant are not presented without a purchase operator or unit price.

  Furthermore, the purchase support information generated at the time of the determination that the purchase is possible includes a message notifying that the original product can be currently purchased at the store of the store code included in the electronic receipt information (hereinafter also referred to as the former store). Including. On the other hand, the purchase support information generated when it is determined that purchase is not possible includes a message notifying that the original product cannot be purchased at the original store, a message notifying that an alternative can be purchased at the original store, and the like.

  If the electronic receipt providing unit 413 determines that the replacement cannot be purchased, the electronic receipt providing unit 413 generates purchase support information from which the purchase operator is removed. In this case, the purchase support information includes a message for notifying that the original product cannot be purchased at the original store. Further, the purchase support information may include a product name, a product image, and the like of the original product.

  When the electronic receipt providing unit 413 generates the purchase support information, it adds the purchase support information to the electronic receipt information in association with the product code of the corresponding product. Then, the electronic receipt providing unit 413 provides the electronic receipt information with the purchase support information added to the mobile terminal 5. When the inventory information of the product is updated after providing the electronic receipt information (purchase support information), the electronic receipt providing unit 413 generates new purchase support information according to the updated school information. The purchase support information that has already been provided is updated.

  The purchase information transfer unit 414 is a functional unit that transfers purchase information. Specifically, when the reception unit 411 receives the purchase information transmitted from the mobile terminal 5, the purchase information transfer unit 414 purchases the purchase information for the store P1 (store server 3) of the store code included in the purchase information. Send (transfer) information. Note that the purchase information transfer unit 414 may transmit the member information corresponding to the member code included in the purchase information to the store server 3 when the purchase information is transferred.

  In the store P1 (store server 3) that has received the purchase information, the product (product code) and the purchase score indicated by the purchase information are processed as being ordered by the consumer corresponding to the member code included in the purchase information. Can do. For example, when providing a service such as a net supermarket, the store P1 may arrange delivery of the ordered number of purchased items to the address of the consumer. In addition, for example, at the store P1, it is possible to secure products for the number of purchases that have been ordered, and arrange reservations so that the corresponding consumers can preferentially purchase when they visit the store. In addition, it is preferable that the control part 31 of the store server 3 processes so that it may subtract from the stock score about the product for the purchase quantity ordered by purchase information.

  FIG. 9 is a diagram illustrating an example of a functional configuration of the mobile terminal 5. The CPU of the portable terminal 5 includes an electronic receipt acquisition unit 511, a display control unit 512, and a purchase information transmission unit 513 as functional units by cooperating with a program stored in the ROM or the storage unit 55.

  The electronic receipt acquisition unit 511 acquires electronic receipt information transmitted from the electronic receipt server 4. For example, the electronic receipt acquisition unit 511 acquires the electronic receipt information transmitted from the electronic receipt server 4 after the transaction at the store P1. The electronic receipt acquisition unit 511 transmits an inquiry command specifying the member code stored in the member code management area 55 a to the electronic receipt server 4 in response to an operation via the operation unit 52. Then, the electronic receipt acquisition unit 511 acquires electronic receipt information provided from the electronic receipt server 4.

  In the case where the electronic receipt information and the purchase support information related to the electronic receipt information are provided separately, the electronic receipt acquisition unit 511 transmits the purchase support information related to the acquired electronic receipt information to the electronic receipt server. Further obtain from 4.

  The display control unit 512 controls the screen displayed on the display unit 53. For example, the display control unit 512 displays the electronic receipt information acquired by the electronic receipt acquisition unit 511 on the display unit 53. In addition, the display control unit 512 displays the purchase support information acquired together with the electronic receipt information on the display unit 53.

  When the purchase information transmission unit 513 receives an operation on the purchase operator of the purchase support information, the purchase information transmission unit 513 generates purchase information corresponding to the operation content. Specifically, the purchase information transmission unit 513 includes a store code and a membership code included in the electronic receipt information to which purchase support information is added, a product code of the product instructed to be purchased by the purchase operator, a purchase score, and the like. Generate purchase information. Then, the purchase information transmission unit 513 transmits the generated purchase information to the electronic receipt server 4.

  FIG. 10 is a diagram illustrating an example of electronic receipt information displayed on the mobile terminal 5. The electronic receipt information G1 is displayed on the display unit 53, for example, in the same layout as a receipt printed on paper. Here, the electronic receipt information G1 includes, among various elements included in the electronic receipt information G1, a transaction date and time, a store name, a member code, a product name, a unit price, and a sales score of a product targeted for the transaction (sales). , An amount, a total amount of all products, a payment amount, a change, etc. are displayed.

  Further, the electronic receipt information G1 can select a traded product (product A, product B, product C, etc.) by a cursor following the input of the operation unit 52, a touch operation on the display unit 53, or the like. ing. Here, when one product is selected, the display control unit 512 displays purchase support information associated with the product as shown in FIGS. 11 and 12.

  FIG. 11 is a diagram showing an example of the purchase support information displayed on the mobile terminal 5, and shows the purchase support information G2a when the product A in FIG. 10 is selected. As shown in FIG. 11, the purchase support information G2a includes a message G21a notifying that the product A is currently available for purchase at the store X (former store). The purchase support information G2a includes product information G22a such as the product name, unit price, and product image of the product A. Further, the purchase support information G2a includes, as a purchase operator, an input field G23 for inputting the purchase points of the product A and a purchase button G24 for instructing purchase.

  In this case, the consumer can confirm that the product A can still be purchased at the store X where the product A has been purchased in the past by referring to the purchase support information G2a. Thereby, the purchase support of the goods A can be performed with respect to a consumer. Moreover, since the order and reservation of the goods A can be performed with respect to the shop X via a purchase operation element, the purchase support of the goods A can be performed with respect to a consumer.

  On the other hand, FIG. 12 is a diagram showing another example of the purchase support information displayed on the mobile terminal 5, and shows the purchase support information G2b when the product B in FIG. 10 is selected. The purchase support information G2b includes a message G21b notifying that the product B cannot be purchased at the store X (former store) and that the substitute product D can be purchased. Further, the purchase support information G2b includes product information G22b such as a product name, a unit price, and a product image of a product D that is a substitute for the product B. Further, the purchase support information G2a includes, as a purchase operator, an input field G23 for inputting the purchase points of the product D and a purchase button G24 for instructing purchase.

  In this case, by referring to the purchase support information G2b, the consumer may confirm that the product B cannot be purchased at the store X where the product B has been purchased in the past, and the product D can be purchased instead. it can. Thereby, the purchase support of the goods D (alternative goods) can be performed with respect to a consumer. Moreover, since the order and reservation of the goods D can be performed with respect to the shop X via a purchase operation element, the purchase support of the goods D can be performed with respect to a consumer.

  The purchase information transmission unit 513 receives an operation on the purchase operator. Specifically, the purchase information transmission unit 513 determines that an operation on the purchase support information operator has been accepted on the condition that the purchase button G24 is operated after the purchase quantity is input in the input field G23.

  For example, when “1” is input in the input field G23 of FIG. 11 and the purchase button G24 is operated, the purchase information transmission unit 513 is stored in the store code of the store X and the member code management area 55a. The purchase information including the product code of the product A and the purchase score “1” is transmitted to the electronic receipt server 4 together with the member code. When the purchase button G24 is operated after “1” is input in the input field G23 of FIG. 12, the purchase information transmission unit 513 is stored in the store code of the store X and the member code management area 55a. The purchase information including the product code of the product D and the purchase score “1” is transmitted to the electronic receipt server 4 together with the member code.

  In addition, the display form of electronic receipt information shall not be limited to FIG. For example, the electronic receipt information may be displayed in a display form different from the receipt image printed on the paper. In addition, when a plurality of electronic receipt information is received, a selection screen for selecting each of the electronic receipt information may be displayed based on the purchase date, the store code, or the like included in the electronic receipt information. In this case, the display control unit 512 displays the electronic receipt information selected from the selection screen on the display unit 53.

  In addition, the display form of the purchase support information is not limited to FIGS. 11 and 12. For example, the purchase support information may be displayed on the same screen as the electronic receipt information. Moreover, it is good also as a form which displays corresponding purchase support information in relation to all the products contained in electronic receipt information irrespective of selection of a product.

  Hereinafter, an operation example of the electronic receipt system 1 will be described with reference to FIGS. 13 and 14. FIG. 13 is a flowchart illustrating an example of an electronic receipt providing process executed by the electronic receipt server 4. In this process, an operation example in the case where an electronic receipt is provided in response to an inquiry command will be described.

  First, the reception unit 411 of the electronic receipt server 4 stands by until an inquiry command is input from the portable terminal 5 (step S11; No). When accepting the inquiry command (Step S11; Yes), the accepting unit 411 shifts the process to Step S12.

  Based on the member code designated by the inquiry command, the electronic receipt providing unit 413 extracts electronic receipt information associated with the member code from the electronic receipt management area 43b (step S12).

  Subsequently, the electronic receipt providing unit 413 reads inventory information corresponding to the store code included in the extracted electronic receipt information from the inventory management area 43c (step S13). Next, the electronic receipt providing unit 413 determines whether or not each product included in the electronic receipt information can be purchased based on the inventory points of each product stored in the inventory information (step S14).

  When the electronic receipt providing unit 413 determines that the product can be purchased (step S15; Yes), the electronic receipt providing unit 413 generates purchase support information based on the product information of the product stored in the product master management area 43d (step S16). The process proceeds to S22.

  On the other hand, when the electronic receipt providing unit 413 determines that the product cannot be purchased (step S15; No), the substitute product master in the substitute product master management area 43e uses the product code of the substitute product associated with the product code of the product. (Step S17). Next, the electronic receipt providing unit 413 determines whether or not the replacement product can be purchased based on the stock number of the replacement product stored in the inventory information (step S18).

  When the electronic receipt providing unit 413 determines that the substitute item can be purchased (step S19; Yes), the electronic receipt providing unit 413 generates purchase support information based on the product information of the substitute item stored in the product master management area 43d (step S20). The process proceeds to step S22.

  If it is determined that the replacement cannot be purchased (step S19; No), the electronic receipt providing unit 413 generates purchase support information for notifying that the original product cannot be purchased at the original store ( Step S21) and the process proceeds to step S22.

  Subsequently, the electronic receipt providing unit 413 adds the generated purchase support information to the electronic receipt information in association with the corresponding product (product code) (step S22). Then, the electronic receipt providing unit 413 provides the electronic receipt information to which the purchase support information is added to the portable terminal 5 that has transmitted the inquiry command (Step S23), and ends this process.

  FIG. 14 is a flowchart illustrating an example of a purchase support process executed on the mobile terminal 5. In this process, it is assumed that the mobile terminal 5 has received the electronic receipt information provided from the electronic receipt server 4.

  First, the display control unit 512 of the portable terminal 5 displays the electronic receipt information provided from the electronic receipt server 4 on the display unit 53 (step S31). Next, the display control unit 512 determines whether any one of the products included in the electronic receipt information is selected or the selection destination is changed (step S32).

  Here, when it is determined that no product is selected and the selection destination is not changed (step S32; No), the display control unit 512 shifts the processing to step S39. When one product is selected or the selection destination is changed (step S32; Yes), the display control unit 512 causes the display unit 53 to display purchase support information associated with the selection destination product. (Step S33).

  Next, the purchase information transmitting unit 513 determines whether or not the purchase operator included in the purchase support information has been operated (step S34). When it is determined that the purchase operator has not been operated (step S34; No), the purchase information transmission unit 513 shifts the processing to step S36. If it is determined that the purchase operator has been operated (step S34; Yes), the purchase information transmission unit 513 generates purchase information corresponding to the operation content of the purchase operator and transmits it to the mobile terminal 5 (step S35). ).

  Subsequently, the display control unit 512 determines whether or not the display end of the purchase support information has been instructed (step S36). Here, when the display end is not instructed (step S36; No), the display control unit 512 returns the process to step S34. When the display end is instructed (step S36; Yes), the display control unit 512 deletes the purchase support information from the display screen (step S37) and displays the electronic receipt information again (step S38).

  Subsequently, the display control unit 512 determines whether or not the display end of the electronic receipt information has been instructed (step S39). Here, when the display end is not instructed (step S39; No), the display control unit 512 returns the process to step S32. When the display end is instructed (step S39; Yes), the display control unit 512 erases the electronic receipt information from the display screen (step S40), and ends this process.

  As described above, the electronic receipt server 4 determines whether or not the product recorded in the electronic receipt information is available for purchase, and generates purchase support information that supports the purchase of the product or alternative product according to the determination result. Then, the electronic receipt server 4 provides the mobile terminal 5 with electronic receipt information to which the generated purchase support information is added.

  Thereby, the consumer can easily confirm whether the same product can be purchased at the store P1 where the product has been purchased in the past or an alternative product can be purchased by referring to the provided purchase support information. it can. Therefore, the electronic receipt server 4 can support the purchase of a product purchased in the past at the store P1 or a substitute for the product using the electronic receipt information issued by the store P1. Further, on the store P1 side, the electronic receipt information (purchase support information) provided by the electronic receipt server 4 can increase the purchase opportunities of products and the opportunities for consumers to visit the store, which can lead to sales promotion. .

  As mentioned above, although embodiment of this invention was described, the said embodiment was shown as an example and is not intending limiting the range of invention. The above embodiments can be implemented in various other forms, and various omissions, replacements, changes, additions, combinations, and the like can be made without departing from the scope of the invention. Moreover, the said embodiment and its deformation | transformation are included in the range of the invention, the summary, and the invention described in the claim, and its equal range.

  For example, in the said embodiment, although it was set as the structure which provides electronic receipt information using the electronic receipt server 4, it is good also as a structure which provides electronic receipt information not only in this but in each store P1. In this case, for example, when the store server 3 has the same function and configuration as the electronic receipt server 4, the electronic receipt information can be provided in units of the store P1. For example, the control unit 31 (electronic receipt providing unit 413) of the store server 3 can generate purchase support information using the product master in the product master management area 33b and the inventory information in the inventory management area 33c.

  Moreover, in the said embodiment, although the electronic receipt server 4 was set as the structure which determines whether purchase is possible using the stock information memorize | stored in the stock management area | region 43c, it shall not be restricted to this. For example, when the store server 3 discloses the inventory information so that it can be referred to, the electronic receipt server 4 may determine whether or not the purchase can be made using the inventory information disclosed by the store server 3.

  Moreover, in the said embodiment, although the electronic receipt server 4 was set as the structure which produces | generates purchase assistance information using the goods master memorize | stored in the goods master management area | region 43d, it shall not be restricted to this. For example, when the store server 3 publishes the product master so that it can be referred to, the electronic receipt server 4 may generate the purchase support information using the product master published by the store server 3.

  In the above embodiment, the electronic receipt server 4 refers to the member master and the substitute master stored in the member master management area 43a and the substitute master management area 43e, but is not limited thereto. For example, when an external device such as the store server 3 discloses the member master and the substitute master so that the member master and the substitute master can be referred to, the electronic receipt server 4 may refer to the member master and the substitute master published by the external device. .

  Moreover, in the said embodiment, although the electronic receipt server 4 discriminate | determined purchase propriety based on the inventory information of the store P1 which issued electronic receipt information, it discriminate | determines whether it can purchase including the inventory information for other stores P1. It is good also as a structure. For example, the electronic receipt providing unit 413 extracts the store code of the other store P1 from the other electronic receipt information associated with the member code of the same consumer for the product included in the electronic receipt, and uses the extracted store code as the extracted store code. Whether or not purchase is possible may be determined using corresponding inventory information. In this case, the electronic receipt providing unit 413 may determine whether or not to purchase the original product regardless of whether or not the original product can be purchased, or may determine whether or not the original product or the substitute product can be purchased. In addition, it may be determined whether or not another store P1 can be purchased. When it is determined that the purchase can be made at another store P1, the electronic receipt providing unit 413 includes a message for notifying the store P1 that can be purchased in the purchase support information.

  In the above embodiment, the electronic receipt server 4 is configured to provide purchase support information to each product (product code) included in the electronic receipt information and provide the purchase support information. It is not limited. For example, the electronic receipt server 4 may be configured to provide purchase support information for each product in response to a request from the mobile terminal 5. In this case, for example, the electronic receipt providing unit 413 provides the mobile terminal 5 with an operator for transmitting a request command for purchase support information to each of the products (product codes) included in the electronic receipt information. . Such an operator is, for example, an operation button or a hyperlink. Such an operator is configured to transmit, to the electronic receipt server 4 as a request command, a store code and a member code included in the electronic receipt information, a product code of the product that is the operation target, and the like in response to a user operation.

  In the portable terminal 5, when the operation element attached to the operation element is operated by selecting a product from the electronic receipt information displayed on the display unit 53, the request command described above is transmitted to the electronic receipt server 4. To do. When a request command is input from the mobile terminal 5, the electronic receipt providing unit 413 of the electronic receipt server 4 determines whether or not the purchase is possible from information included in the request command, and purchase support information generated according to the determination result. Provided to the mobile terminal 5. And the portable terminal 5 can perform a consumer's purchase assistance similarly to the said embodiment by displaying the purchase assistance information provided from the electronic receipt server 4 on the display part 53. FIG.

  Moreover, although the example which produces | generates and provides purchase support information was demonstrated in the said embodiment, the information provided as purchase information shall not be restricted to the form of the above-mentioned purchase support information. For example, the electronic receipt server 4 may generate and provide purchase information obtained by removing the purchase operator from the purchase support information. Further, the electronic receipt server 4 may generate and provide information indicating whether or not the original product or the substitute product can be purchased with a message or an illustration as purchase information.

  In addition, the program executed by each device of the above embodiment is provided by being incorporated in advance in a storage medium (ROM or storage unit) included in each device, but is not limited thereto. For example, the program may be provided in a form that can be installed or executed and recorded on a computer-readable recording medium. Examples of the storage medium include a CD-ROM, a flexible disk (FD), a CD-R, and a DVD (Digital Versatile Disk). Further, the storage medium is not limited to a medium independent of a computer or an embedded system. For example, the storage medium includes a storage medium that is stored or temporarily stored by downloading a program transmitted via a LAN, the Internet, or the like.

  The program executed by each device of each of the above embodiments may be provided or distributed via a network such as the Internet.

DESCRIPTION OF SYMBOLS 1 Electronic receipt system 2 POS terminal 3 Store server 4 Electronic receipt server 5 Portable terminal 411 Reception part 412 Information management part 413 Electronic receipt provision part 414 Purchase information transfer part 511 Electronic receipt acquisition part 512 Display control part 513 Purchase information transmission part

JP 2006-162161 A

Claims (6)

Management means for managing electronic receipt information including a product identifier for identifying a product purchased by a consumer in association with the consumer identifier for identifying the consumer;
A determination means for determining whether or not a product corresponding to the product identifier can be purchased based on inventory information in which a stock score of each product sold in a store is recorded;
When the determination unit determines that purchase is possible, purchase information related to the purchase of the product corresponding to the product identifier is generated, and when the determination unit determines that purchase is not possible, substitution of the product corresponding to the product identifier Generating means for generating purchase information relating to the purchase of goods;
Providing the electronic receipt information associated with the consumer identifier to the client device associated with the consumer identifier, and generating the electronic receipt information associated with the product identifier included in the electronic receipt information Providing means for providing purchase information;
A server device comprising:   The generation unit generates the purchase information including information notifying that the product corresponding to the product identifier can be purchased when the determination unit determines that the purchase is possible, and the determination unit cannot purchase the product. The server apparatus according to claim 1, wherein the purchase information including information notifying that the substitute item can be purchased is generated instead of the product corresponding to the product identifier when it is determined.   The generation unit generates the purchase information including an operator for instructing purchase of a product corresponding to the product identifier when the determination unit determines that purchase is possible, and the determination unit determines that purchase is not possible. 3. The server device according to claim 1, wherein when the determination is made, the purchase information including an operation element for instructing the purchase of the substitute product is generated.   The server device according to any one of claims 1 to 3, wherein the providing unit provides the client device with the electronic receipt information added with the purchase information corresponding to the product identifier in association with the product identifier.   When the providing unit receives a notification for selecting one product identifier from the product identifiers included in the electronic receipt information provided to the client device from the client device, the providing unit corresponds to the selected product identifier. The server apparatus as described in any one of Claims 1-3 which provides purchase information to the said client apparatus. The server device computer
Management means for managing electronic receipt information including a product identifier for identifying a product purchased by a consumer in association with the consumer identifier for identifying the consumer;
A determination means for determining whether or not a product corresponding to the product identifier can be purchased based on inventory information in which a stock score of each product sold in a store is recorded;
When the determination unit determines that purchase is possible, purchase information related to the purchase of the product corresponding to the product identifier is generated, and when the determination unit determines that purchase is not possible, substitution of the product corresponding to the product identifier Generating means for generating purchase information relating to the purchase of goods;
Providing the electronic receipt information associated with the consumer identifier to the client device associated with the consumer identifier, and generating the electronic receipt information associated with the product identifier included in the electronic receipt information Providing means for providing purchase information;
Program to make it function.

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