go-exercises-backend, v1.5

Back-end of the service for solving programming exercises.

Perform refactoring; additionally return total result count along with pagination results.

RESTful API:
- models:
  - task model:
    - operations:
      - getting all tasks:
        
        process pagination:
        
        additionally return total result count;
  - solution model:
    - operations:
      - getting all solutions by a task ID:
        
        process pagination:
        
        additionally return total result count;
      - getting a single solution by an ID:
        
        join a solution task data to the results;
perform refactoring:
- update the github.com/thewizardplusplus/go-http-utils package;
- add the github.com/thewizardplusplus/go-rabbitmq-utils package;
- add the github.com/thewizardplusplus/go-sync-utils package;
utilities:
- utility for managing users:
  - rename to the go-exercises-manager utility;
  - add to the Docker image.

Prepare the directory:

$ mkdir --parents "$(go env GOPATH)/src/github.com/thewizardplusplus/"
$ cd "$(go env GOPATH)/src/github.com/thewizardplusplus/"

Clone this repository:

$ git clone https://github.com/thewizardplusplus/go-exercises-backend.git
$ cd go-exercises-backend

Install dependencies with the dep tool:

$ dep ensure -vendor-only

Build the utility:

$ go install ./cmd/go-exercises-manager

$ go-exercises-manager -h | --help
$ go-exercises-manager add-user [options]

Commands:

Options:

-h, --help — show the context-sensitive help message and exit;
-u STRING, --username STRING — username;
-p STRING, --password STRING — user password (default: generated automatically);
-c INTEGER, --cost INTEGER — cost of the user password hashing (range: from 4 to 31 inclusive; default: 10);
-l INTEGER, --length INTEGER — length of the user password to be generated (minimum: 6; default: 6).

Environment variables:

STORAGE_ADDRESS — PostgreSQL connection URI (default: postgres://postgres:postgres@localhost:5432/postgres?sslmode=disable).

Content: code.

License: MIT.