AX.FireTrainingSys/FireTrainingSys/Controllers/BasicInfos/BuildingFeaturesController.cs

using AX.FireTrainingSys.Models;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.ModelBinding;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace AX.FireTrainingSys.Controllers
{
    /// <summary>
    /// 建筑特点控制器。
    /// </summary>
    [Produces("application/json")]
    [Route("api/[controller]")]
    [ApiVersion("1.0")]
    [ApiController]
    public class BuildingFeaturesController : ControllerBase
    {
        private readonly DriveDbContext dbContext;

        public BuildingFeaturesController(DriveDbContext dbContext)
        {
            this.dbContext = dbContext;
        }

        /// <summary>
        /// 获得指定课件的建筑特点。
        /// </summary>
        /// <param name="coursewareId">指定的课件编号</param>
        /// <returns></returns>
        [ProducesResponseType(StatusCodes.Status200OK)]
        [ProducesResponseType(StatusCodes.Status400BadRequest)]
        [ProducesResponseType(StatusCodes.Status404NotFound)]
        [HttpGet]
        public async Task<ActionResult<string>> Get([FromQuery, BindRequired]string coursewareId)
        {
            if (string.IsNullOrEmpty(coursewareId))
                return BadRequest(coursewareId);

            var model = await dbContext.BuildingFeatures.FindAsync(coursewareId);

            if (model == null)
                return NotFound(coursewareId);

            return Ok(model.Content);
        }

        /// <summary>
        /// 创建或更新指定课件的建筑特点。
        /// </summary>
        /// <param name="coursewareId">指定的课件编号</param>
        /// <param name="content">要保存的内容</param>
        [ProducesResponseType(StatusCodes.Status200OK)]
        [ProducesResponseType(StatusCodes.Status400BadRequest)]
        [HttpPost]
        public async Task<Microsoft.AspNetCore.Mvc.ActionResult> PostOrPut([FromQuery, BindRequired]string coursewareId, [FromBody]string content)
        {
            if (string.IsNullOrEmpty(coursewareId))
                return BadRequest(coursewareId);

            var model = await dbContext.BuildingFeatures.FindAsync(coursewareId);

            if (model == null)
            {
                model = new BuildingFeature
                {
                    CoursewareId = coursewareId,
                    Content = content
                };

                dbContext.BuildingFeatures.Add(model);
            }
            else
            {
                model.Content = content;
            }

            await dbContext.SaveChangesAsync();

            return Ok();
        }
    }
}