DD.WellWorkover.Cloud/AsbCloudWebApi/Controllers/CrudController.cs

using AsbCloudApp.Data;
using AsbCloudApp.Services;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;

// For more information on enabling Web API for empty projects, visit https://go.microsoft.com/fwlink/?LinkID=397860
namespace AsbCloudWebApi.Controllers;


/// <summary>
/// CRUD контроллер для админки.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <typeparam name="TService"></typeparam>
[ApiController]
[Route("api/[controller]")]
[Authorize]
public abstract class CrudController<T, TService> : ControllerBase
    where T : IId
    where TService : ICrudRepository<T>
{
    protected readonly TService service;

    public Func<T, CancellationToken, Task<bool>> InsertForbidAsync { get; protected set; } = null!;
    public Func<T, CancellationToken, Task<bool>> UpdateForbidAsync { get; protected set; } = null!;
    public Func<int, CancellationToken, Task<bool>> DeleteForbidAsync { get; protected set; } = null!;

    public CrudController(TService service)
    {
        this.service = service;
    }

    /// <summary>
    /// Получить все записи
    /// </summary>
    /// <param name="token">CancellationToken</param>
    /// <returns>все записи</returns>
    [HttpGet]
    [Permission]
    public virtual async Task<ActionResult<IEnumerable<T>>> GetAllAsync(CancellationToken token)
    {
        var result = await service.GetAllAsync(token).ConfigureAwait(false);
        return Ok(result);
    }

    /// <summary>
    /// Получить одну запись по Id
    /// </summary>
    /// <param name="id">id записи</param>
    /// <param name="token"></param>
    /// <returns>запись</returns>
    [HttpGet("{id}")]
    [Permission]
    public virtual async Task<ActionResult<T?>> GetOrDefaultAsync(int id, CancellationToken token)
    {
        var result = await service.GetOrDefaultAsync(id, token).ConfigureAwait(false);
        return Ok(result);
    }

    /// <summary>
    /// Добавить запись
    /// </summary>
    /// <param name="value">запись</param>
    /// <param name="token"></param>
    /// <returns>id</returns>
    [HttpPost]
    [Permission]
    public virtual async Task<ActionResult<int>> InsertAsync([FromBody] T value, CancellationToken token)
    {
        if (InsertForbidAsync is not null && await InsertForbidAsync(value, token))
            return Forbid();

        var result = await service.InsertAsync(value, token).ConfigureAwait(false);
        return Ok(result);
    }

    /// <summary>
    /// Добавить несколько записей<br/>
    /// При невозможности добавить любую из записей, все не будут добавлены.
    /// </summary>
    /// <param name="values">записи</param>
    /// <param name="token"></param>
    /// <returns>id</returns>
    [HttpPost("range")]
    [Permission]
    [ProducesResponseType(typeof(ValidationProblemDetails), (int)System.Net.HttpStatusCode.BadRequest)]
    public virtual async Task<ActionResult<int>> InsertRangeAsync([FromBody] IEnumerable<T> values, CancellationToken token)
    {
        if (!values.Any())
            return this.ValidationBadRequest(nameof(values), "there is no values to add");

        if (InsertForbidAsync is not null)
            foreach (var value in values)
                if (await InsertForbidAsync(value, token))
                    return Forbid();

        var result = await service.InsertRangeAsync(values, token).ConfigureAwait(false);
        return Ok(result);
    }

    /// <summary>
    /// Редактировать запись по id
    /// </summary>
    /// <param name="value">запись</param>
    /// <param name="token"></param>
    /// <returns>1 - успешно отредактировано, 0 - нет</returns>
    [HttpPut]
    [Permission]
    [ProducesResponseType(typeof(ValidationProblemDetails), (int)System.Net.HttpStatusCode.BadRequest)]
    public virtual async Task<ActionResult<int>> UpdateAsync([FromBody] T value, CancellationToken token)
    {
        if (UpdateForbidAsync is not null && await UpdateForbidAsync(value, token))
            return Forbid();

        var result = await service.UpdateAsync(value, token).ConfigureAwait(false);
        if (result == ICrudRepository<T>.ErrorIdNotFound)
            return this.ValidationBadRequest(nameof(value.Id), $"id:{value.Id} does not exist");
        return Ok(result);
    }

    /// <summary>
    /// Удалить запись по id
    /// </summary>
    /// <param name="id">id записи</param>
    /// <param name="token"></param>
    /// <returns>1 - успешно удалено, 0 - нет</returns>
    [HttpDelete("{id}")]
    [Permission]
    public virtual async Task<ActionResult<int>> DeleteAsync(int id, CancellationToken token)
    {
        if (DeleteForbidAsync is not null && await DeleteForbidAsync(id, token))
            return Forbid();

        var result = await service.DeleteAsync(id, token).ConfigureAwait(false);
        if (result == ICrudRepository<T>.ErrorIdNotFound)
            return NoContent();
        return Ok(result);
    }
}