Digital cart monitoring and validation using interprocess communication

1. A system comprising:

a server comprising:

a first hardware processor configured to:

receive, from a mobile device, location information that indicates a Global Positioning System (GPS) location of the mobile device;

determine, based at least in part upon the location information, that the mobile device is entered into a geofence area associated with a physical location, wherein the geofence area is a virtual geographical boundary around the physical location;

in response to determining that the mobile device is entered into the geofence area:

enable inter-process communications among multiple devices comprising the server, the mobile device, a merchant device, and a validation terminal to cooperatively perform a particular task comprising processing a transaction;

instruct the mobile device to perform one or more operations based at least in part upon the transaction, such that:

 if it is determined that the transaction is valid, the mobile device is enabled to complete the transaction; and

 if it is determined that the transaction is invalid, the mobile device is prevented from completing the transaction;

receive product information for a first product scanned by a mobile device, the mobile device associated with a user account;

in response to receiving the product information for the first product:

 transmit an identification of the user account to the merchant device; and

 store the product information for the first product in a digital cart comprising product information for one or more products scanned by the mobile device;

receive a transaction request from the mobile device for the one or more products scanned by the mobile device;

in response to receiving the transaction request:

 determine that the first product is associated with a validation requirement;

 in response to determining that the first product is associated with the validation requirement:

 transmit a validation request to the merchant device, the validation request associated with the validation requirement; and

 receive, from the merchant device, an indication that the validation requirement is satisfied; and

 in response to receiving the indication that the validation requirement is satisfied, process the transaction for the one or more products, based on the product information for the one or more products stored in the digital cart;

in response to processing the transaction, transmit, to the merchant device, an indication that the transaction is complete; and

in response to processing the transaction, generate a barcode and transmit the barcode to the mobile device;

the merchant device, in signal communication with the server, the merchant device comprising:

a display;

a second hardware processor configured to:

receive, from the server, the identification of the user account;

display the identification of the user account on the display;

receive, from the server, the validation request;

in response to receiving the validation request:

determine that the validation requirement is satisfied; and

transmit the indication that the validation requirement is satisfied to the server;

receive, from the server, the indication that the transaction is complete; and

in response to receiving the indication that the transaction is complete, display the indication that the transaction is complete on the display;

the validation terminal located at a registered location and in signal communication with the server, the validation terminal comprising:

a barcode reader; and

a third hardware processor configured to:

detect that the barcode reader scanned the barcode; and

in response to detecting that the barcode reader scanned the barcode, transmit to the merchant device, an indication that the transaction has been validated, wherein, in response to receiving the indication that the transaction has been validated, the merchant device is further configured to display the indication that the transaction has been validated.

2. The system of claim 1 , wherein:

the first processor is further configured to:

receive product information for a second product scanned by the mobile device;

in response to receiving the product information for the second product:

store the product information for the second product in the digital cart;

determine that the second product is associated with a second validation requirement;

in response to receiving the transaction request and in response to determining that the second product is associated with the second validation requirement:

transmit a second validation request to the merchant device;

receive, from the merchant device, an indication that the second validation requirement is not satisfied; and

in response to receiving the indication that the second validation requirement is not satisfied, remove the product information for the second product from the digital cart, prior to processing the transaction; and

the second processor is further configured to:

receive, from the server, the second validation request; and

in response to receiving the second validation request:

determine that the second validation requirement is not satisfied; and

transmit the indication that the second validation requirement is not satisfied to the server.

3. The system of claim 1 , wherein the second hardware processor is further configured to, in response to receiving the validation request, display a notification of the validation request on the display.

4. The system of claim 1 , wherein:

the validation requirement comprises a requirement that an age of a user of the mobile device is above a threshold; and

determining that the validation requirement is satisfied comprises:

receiving age information for the user of the mobile device; and

determining, based on the age information, that the age of the user of the mobile device is above the threshold.

5. The system of claim 1 , where:

the validation requirement comprises a requirement that the first product is available at the registered location; and

determining that the validation requirement is satisfied comprises receiving an indication that the first product is available at the registered location.

6. The system of claim 1 , wherein the second hardware processor is configured to:

receive, from the server, the product information for the one or more products stored in the digital cart; and

in response to receiving the product information for the one or more products stored in the digital cart, display the product information on the display.

7. A method comprises:

receiving, from a mobile device, location information that indicates a Global Positioning System (GPS) location of the mobile device;

determining, based at least in part upon the location information, that the mobile device is entered into a geofence area associated with a physical location, wherein the geofence area is a virtual geographical boundary around the physical location;

in response to determining that the mobile device is entered into the geofence area:

enabling inter-process communications among multiple devices comprising the server, the mobile device, a merchant device, and a validation terminal to cooperatively perform a particular task comprising processing a transaction;

instructing the mobile device to perform one or more operations based at least in part upon the transaction, such that:

if it is determined that the transaction is valid, the mobile device is enabled to complete the transaction; and

if it is determined that the transaction is invalid, the mobile device is prevented from completing the transaction;

receiving product information for a first product scanned by a mobile device, the mobile device associated with a user account;

in response to receiving the product information for the first product:

transmitting an identification of the user account to the merchant device;

storing the product information for the first product in a digital cart comprising product information for one or more products scanned by the mobile device;

receiving, by the merchant device, the identification of the user account; and

displaying, by the merchant device, the identification of the user account on a display;

receiving a transaction request from the mobile device for the one or more products scanned by the mobile device;

in response to receiving the transaction request:

determining that the first product is associated with a validation requirement;

in response to determining that the first product is associated with the validation requirement, transmitting a validation request to the merchant device, the validation request associated with the validation requirement;

in response to transmitting the validation request to the merchant device:

receiving, by the merchant device, the validation request;

determining, by the merchant device, that the validation requirement is satisfied; and

transmitting, by the merchant device, an indication that the validation requirement is satisfied;

in response to transmitting, by the merchant device, the indication that the validation requirement is satisfied:

 receiving the indication that the validation requirement is satisfied; and

 processing the transaction for the one or more products, based on the product information for the one or more products stored in the digital cart; and

in response to processing the transaction:

transmitting, to the merchant device, an indication that the transaction is complete;

receiving, by the merchant device, the indication that the transaction is complete; and

in response to receiving the indication that the transaction is complete, displaying, by the merchant device, the indication that the transaction is complete on the display;

in response to processing the transaction:

generating a barcode; and

transmitting the barcode to the mobile device;

detecting, by the validation terminal located at a registered location, that a barcode reader scanned the barcode;

in response to detecting that the barcode reader scanned the barcode, transmitting, by the validation terminal to the merchant device, an indication that the transaction has been validated; and

in response to receiving the indication that the transaction has been validated, displaying, by the merchant device, the indication that the transaction has been validated.

8. The method of claim 7 , further comprising:

receiving product information for a second product scanned by the mobile device;

in response to receiving the product information for the second product:

storing the product information for the second product in the digital cart;

determining that the second product is associated with a second validation requirement;

in response to receiving the transaction request and in response to determining that the second product is associated with the second validation requirement, transmitting a second validation request to the merchant device;

in response to transmitting the second validation request to the merchant device:

receiving, by the merchant device, the second validation request;

determining, by the merchant device, that the second validation requirement is not satisfied; and

transmitting, by the merchant device, an indication that the second validation requirement is not satisfied;

in response to transmitting, by the merchant device, the indication that the second validation requirement is not satisfied:

receiving the indication that the second validation requirement is not satisfied; and

removing the product information for the second product from the digital cart, prior to processing the transaction.

9. The method of claim 7 , further comprising, in response to receiving, by the merchant device, the validation request, displaying, by the merchant device, a notification of the validation request on the display.

10. The method of claim 7 , wherein:

the validation requirement comprises a requirement that an age of a user of the mobile device is above a threshold; and

determining that the validation requirement is satisfied comprises:

receiving age information for the user of the mobile device; and

determining, based on the age information, that the age of the user of the mobile device is above the threshold.

11. The method of claim 7 , where:

the validation requirement comprises a requirement that the first product is available at the registered location; and

determining that the validation requirement is satisfied comprises receiving an indication that the first product is available at the registered location.

12. The method of claim 7 , further comprising:

receiving, by the merchant device, the product information for the one or more products stored in the digital cart; and

in response to receiving the product information for the one or more products stored in the digital cart, displaying, by the merchant device, the product information on the display.

13. A non-transitory computer-readable medium comprising instructions that are configured, when executed by a hardware processor, to:

receive, from a mobile device, location information that indicates a Global Positioning System (GPS) location of the mobile device;

determine, based at least in part upon the location information, that the mobile device is entered into a geofence area associated with a physical location, wherein the geofence area is a virtual geographical boundary around the physical location;

in response to determining that the mobile device is entered into the geofence area:

enable inter-process communications among multiple devices comprising the server, the mobile device, a merchant device, and a validation terminal to cooperatively perform a particular task comprising processing a transaction;

instruct the mobile device to perform one or more operations based at least in part upon the transaction, such that:

if it is determined that the transaction is valid, the mobile device is enabled to complete the transaction; and

if it is determined that the transaction is invalid, the mobile device is prevented from completing the transaction;

receive product information for a first product scanned by a mobile device, the mobile device associated with a user account;

in response to receiving the product information for the first product:

transmit an identification of the user account to the merchant device, wherein the merchant device is configured to:

receive the identification of the user account; and

display the identification of the user account on a display; and

store the product information for the first product in a digital cart comprising product information for one or more products scanned by the mobile device;

receive a transaction request from the mobile device for the one or more products scanned by the mobile device;

in response to receiving the transaction request:

determine that the first product is associated with a validation requirement;

in response to determining that the first product is associated with the validation requirement:

transmit a validation request to the merchant device, the validation request associated with the validation requirement, wherein the merchant device is further configured to:

 receive the validation request; and

 in response to receiving the validation request:

 determine that the validation requirement is satisfied; and

 transmit the indication that the validation requirement is satisfied; and

receive, from the merchant device, an indication that the validation requirement is satisfied; and

in response to receiving the indication that the validation requirement is satisfied, process the transaction for the one or more products, based on the product information for the one or more products stored in the digital cart; and

in response to processing the transaction, transmit, to the merchant device, an indication that the transaction is complete, wherein the merchant device is further configured to:

receive the indication that the transaction is complete; and

in response to receiving the indication that the transaction is complete, display the indication that the transaction is complete on the display;

in response to processing the transaction:

generating a barcode; and

transmitting the barcode to the mobile device;

detecting, by the validation terminal located at a registered location, that a barcode reader scanned the barcode;

in response to detecting that the barcode reader scanned the barcode, transmitting, by the validation terminal to the merchant device, an indication that the transaction has been validated; and

in response to receiving the indication that the transaction has been validated, displaying, by the merchant device, the indication that the transaction has been validated.

14. The non-transitory computer-readable medium of claim 13 , wherein the first instructions are further configured, when executed by the first hardware processor, to:

receive product information for a second product scanned by the mobile device;

in response to receiving the product information for the second product:

store the product information for the second product in the digital cart;

determine that the second product is associated with a second validation requirement;

in response to receiving the transaction request and in response to determining that the second product is associated with the second validation requirement:

transmit a second validation request to the merchant device, wherein the merchant device is further configured to:

receive the second validation request; and

in response to receiving the second validation request:

 determine that the second validation requirement is not satisfied; and

 transmit the indication that the second validation requirement is not satisfied;

receive, from the merchant device, an indication that the second validation requirement is not satisfied; and

in response to receiving the indication that the second validation requirement is not satisfied, remove the product information for the second product from the digital cart, prior to processing the transaction.

15. The non-transitory computer-readable medium of claim 13 , wherein the merchant device is further configured to, in response to receiving the validation request, display a notification of the validation request on the display.

16. The non-transitory computer-readable medium of claim 13 , wherein:

the validation requirement comprises a requirement that an age of a user of the mobile device is above a threshold; and

determining that the validation requirement is satisfied comprises:

receiving age information for the user of the mobile device; and

determining, based on the age information, that the age of the user of the mobile device is above the threshold.

17. The non-transitory computer-readable medium of claim 13 , where:

the validation requirement comprises a requirement that the first product is available at the registered location; and

determining that the validation requirement is satisfied comprises receiving an indication that the first product is available at the registered location.

18. The non-transitory computer-readable medium of claim 13 , wherein the merchant device is further configured to:

receive the product information for the one or more products stored in the digital cart; and

in response to receiving the product information for the one or more products stored in the digital cart, display the product information on the display.