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POST verbs with ASP.NET Core WebApi and Postgresql

POST verb

In a RESTful API, POST is an essential HTTP verb used for creating resources, respectively. In ASP.NET Core Web API, this verb are implemented using controller actions that handle HTTP requests.

An example:

    // POST /api/todo/create
    [HttpPost("create")]
    public IActionResult Create([FromBody] CreateTodoRequestDto createTodoRequestDto)
    {
        var todo = createTodoRequestDto.ToTodoFromTodoRequestDto();
        _context.Todos.Add(todo);
        _context.SaveChanges();
        return CreatedAtAction(nameof(GetById), new { id = todo.Id }, todo.ToTodoDto());
    }

You may check for the Mappers and DTOs directory for the custom mapper and dto in the backend directory.

An Issue with DateTime

While implementing the data models for todo and user, I initially used DateTime.Now for the CreatedAt field. However, when testing the /api/todo/create endpoint, I encountered an error. After investigating, I discovered that PostgreSQL expects timestamps in UTC format. Changing DateTime.Now to DateTime.UtcNow resolved the issue.