comment system
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265
Server/Controller/CommentApiController.cs
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265
Server/Controller/CommentApiController.cs
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using Blahblah.FlowerStory.Server.Data;
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using Blahblah.FlowerStory.Server.Data.Model;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.EntityFrameworkCore;
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using System.ComponentModel.DataAnnotations;
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namespace Blahblah.FlowerStory.Server.Controller;
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/// <summary>
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/// 评论相关 API 服务
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/// </summary>
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[ApiController]
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[Produces("application/json")]
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[Route("api/comment")]
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public class CommentApiController : BaseController
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{
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static readonly int?[] specialTypes = { 1, 2, 3 };
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/// <inheritdoc/>
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public CommentApiController(FlowerDatabase database, ILogger<BaseController>? logger = null) : base(database, logger)
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{
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}
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/// <summary>
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/// 获取符合条件的评论
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/// </summary>
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/// <remarks>
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/// 请求示例：
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///
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/// GET /api/comment/query
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/// Authorization: authorization id
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///
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/// 参数：
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///
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/// rid: int
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/// t: int?
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/// from: long?
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/// to: long?
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/// size: int?
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///
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/// </remarks>
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/// <param name="recordId">事件唯一 id</param>
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/// <param name="typeId">评论类型 id</param>
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/// <param name="from">起始日期</param>
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/// <param name="to">结束日期</param>
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/// <param name="pageSize">分页大小</param>
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/// <returns>会话有效则返回符合条件的评论集</returns>
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/// <response code="200">返回符合条件的评论集</response>
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/// <response code="401">未找到登录会话或已过期</response>
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/// <response code="403">用户已禁用</response>
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/// <response code="404">未找到关联用户</response>
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[Route("query", Name = "queryComments")]
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[ProducesResponseType(StatusCodes.Status200OK)]
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[ProducesResponseType(StatusCodes.Status401Unauthorized)]
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[ProducesResponseType(StatusCodes.Status403Forbidden)]
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[ProducesResponseType(StatusCodes.Status404NotFound)]
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[ProducesErrorResponseType(typeof(ErrorResponse))]
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[HttpGet]
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[ResponseCache(NoStore = true, Location = ResponseCacheLocation.None)]
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public ActionResult<CommentItem[]> GetComments(
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[FromQuery(Name = "rid")][Required] int recordId,
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[FromQuery(Name = "t")] int? typeId,
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[FromQuery] long? from,
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[FromQuery] long? to,
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[FromQuery(Name = "size")] int? pageSize = 20)
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{
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var (result, user) = CheckPermission();
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if (result != null)
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{
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return result;
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}
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if (user == null)
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{
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return NotFound();
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}
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SaveDatabase();
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var comments = database.Comments.Where(c => c.RecordId == recordId);
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if (typeId == null)
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{
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comments = comments.Where(c => !specialTypes.Contains(c.CommentCategoryId));
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}
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else
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{
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comments = comments.Where(c => c.CommentCategoryId == typeId);
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}
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if (from != null)
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{
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comments = comments.Where(r => r.DateUnixTime >= from);
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}
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if (to != null)
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{
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comments = comments.Where(r => r.DateUnixTime <= to);
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}
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comments = comments.Select(r => new CommentItem
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{
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Id = r.Id,
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RecordId = r.RecordId,
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CommentCategoryId = r.CommentCategoryId,
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OwnerId = r.OwnerId,
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ByUserId = r.ByUserId,
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DateUnixTime = r.DateUnixTime,
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Latitude = r.Latitude,
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Longitude = r.Longitude,
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Text = r.Text,
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ByUserName = string.IsNullOrEmpty(r.ByUserName) && r.ByUserId != null ? database.Users.Single(u => u.Id == r.ByUserId).Name : r.ByUserName
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});
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var size = pageSize ?? 20;
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comments = comments.OrderByDescending(r => r.DateUnixTime).Take(size);
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var array = comments.ToArray();
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foreach (var r in array)
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{
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if (string.IsNullOrEmpty(r.ByUserName))
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{
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r.ByUserName = user.Name;
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}
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}
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return Ok(array);
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}
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/// <summary>
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/// 移除用户的评论
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/// </summary>
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/// <remarks>
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/// 请求示例：
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///
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/// DELETE /api/comment/remove
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/// Authorization: authorization id
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///
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/// 参数：
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///
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/// id: int
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///
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/// </remarks>
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/// <param name="id">评论唯一 id</param>
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/// <returns>会话有效则返回操作影响的数据库行数</returns>
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/// <response code="200">返回操作影响的数据库行数</response>
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/// <response code="401">未找到登录会话或已过期</response>
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/// <response code="403">用户已禁用</response>
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/// <response code="404">未找到关联用户</response>
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[Route("remove", Name = "removeComment")]
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[ProducesResponseType(StatusCodes.Status200OK)]
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[ProducesResponseType(StatusCodes.Status401Unauthorized)]
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[ProducesResponseType(StatusCodes.Status403Forbidden)]
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[ProducesResponseType(StatusCodes.Status404NotFound)]
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[ProducesErrorResponseType(typeof(ErrorResponse))]
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[HttpDelete]
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public ActionResult<int> RemoveComment([FromQuery][Required] int id)
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{
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var (result, user) = CheckPermission();
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if (result != null)
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{
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return result;
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}
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if (user == null)
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{
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return NotFound();
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}
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var records = database.Records.Where(r => database.Comments.Any(c => c.OwnerId == user.Id && c.Id == id && c.RecordId == r.Id)).ToList();
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var count = database.Comments.Where(c => c.OwnerId == user.Id && c.Id == id).ExecuteDelete();
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if (count > 0)
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{
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foreach (var r in records)
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{
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r.LikeCount = database.Comments.Count(c => c.CommentCategoryId == 1 && c.RecordId == r.Id);
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r.FavoriteCount = database.Comments.Count(c => c.CommentCategoryId == 2 && c.RecordId == r.Id);
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r.CommentCount = database.Comments.Count(c => !specialTypes.Contains(c.CommentCategoryId) && c.RecordId == r.Id);
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}
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}
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SaveDatabase();
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return Ok(count);
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}
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/// <summary>
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/// 用户添加评论
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/// </summary>
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/// <remarks>
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/// 请求示例：
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///
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/// POST /api/comment/add
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/// Authorization: authorization id
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///
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/// 参数：
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///
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/// recordId: 1
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/// typeId: 0
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/// text: "这朵花好漂亮"
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/// byUser: "来宾"
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/// lon: 29.5462794
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/// lat: 106.5380034
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///
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/// </remarks>
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/// <param name="comment">评论参数</param>
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/// <returns>添加成功则返回已添加的评论对象</returns>
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/// <response code="200">返回已添加的评论对象</response>
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/// <response code="401">未找到登录会话或已过期</response>
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/// <response code="403">用户已禁用</response>
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/// <response code="404">未找到关联用户</response>
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[Route("add", Name = "addComment")]
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[ProducesResponseType(StatusCodes.Status200OK)]
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[ProducesResponseType(StatusCodes.Status401Unauthorized)]
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[ProducesResponseType(StatusCodes.Status403Forbidden)]
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[ProducesResponseType(StatusCodes.Status404NotFound)]
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[ProducesErrorResponseType(typeof(ErrorResponse))]
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[HttpPost]
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public ActionResult<CommentItem> AddEvent([FromBody] CommentParameter comment)
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{
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var (result, user) = CheckPermission();
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if (result != null)
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{
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return result;
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}
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if (user == null)
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{
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return NotFound();
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}
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var now = user.ActiveDateUnixTime ?? DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
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var item = new CommentItem
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{
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RecordId = comment.RecordId,
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OwnerId = user.Id,
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CommentCategoryId = comment.TypeId,
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DateUnixTime = now,
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ByUserId = comment.ByUser == null ? user.Id : null,
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ByUserName = comment.ByUser,
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Text = comment.Text,
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Latitude = comment.Latitude,
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Longitude = comment.Longitude
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};
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database.Comments.Add(item);
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var record = database.Records.SingleOrDefault(r => r.Id == comment.RecordId);
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if (record != null)
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{
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switch (comment.TypeId)
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{
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case 1:
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record.LikeCount = (record.LikeCount ?? 0) + 1;
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break;
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case 2:
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record.FavoriteCount = (record.FavoriteCount ?? 0) + 1;
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break;
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case not 3:
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record.CommentCount = (record.CommentCount ?? 0) + 1;
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break;
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}
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}
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SaveDatabase();
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return Ok(item);
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}
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}
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