using FlexJobApi.Core;
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using Furion.DatabaseAccessor;
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using MediatR;
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using Microsoft.EntityFrameworkCore;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace FlexJobApi.FlexJobServer.Application
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{
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/// <summary>
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/// 任务雇佣命令处理器
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/// </summary>
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public class TaskUserCommandHandler(
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IRepository<TaskInfoUser> rep,
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IRepository<UserTaskCollect> repUserTaskCollect
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) :
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IRequestHandler<CollectTaskCommand, int>,
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IRequestHandler<ApplyTaskCommand, int>
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{
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private readonly IRepository<TaskInfoUser> rep = rep;
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private readonly IRepository<UserTaskCollect> repUserTaskCollect = repUserTaskCollect;
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/// <summary>
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/// 收藏任务
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/// </summary>
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/// <param name="request"></param>
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/// <param name="cancellationToken"></param>
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/// <returns></returns>
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public async Task<int> Handle(CollectTaskCommand request, CancellationToken cancellationToken)
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{
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var logier = JwtUtils.GetCurrentLogier();
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var collects = await repUserTaskCollect.AsQueryable().AsNoTracking()
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.Where(it => request.Ids.Contains(it.TaskInfoId) && it.UserId == logier.Id)
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.ToListAsync(cancellationToken);
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if (request.IsCollect)
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{
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var addIds = request.Ids.Where(it => !collects.Any(c => c.TaskInfoId == it)).ToList();
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foreach (var addId in addIds)
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{
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var entity = new UserTaskCollect
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{
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TaskInfoId = addId,
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UserId = logier.Id
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};
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await repUserTaskCollect.InsertAsync(entity);
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}
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return addIds.Count;
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}
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else
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{
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await repUserTaskCollect.DeleteAsync(collects);
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return collects.Count;
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}
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}
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/// <summary>
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/// 报名任务
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/// </summary>
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/// <param name="request"></param>
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/// <param name="cancellationToken"></param>
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/// <returns></returns>
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public async Task<int> Handle(ApplyTaskCommand request, CancellationToken cancellationToken)
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{
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var logier = JwtUtils.GetCurrentLogier();
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var applyIds = await rep.AsQueryable().AsNoTracking()
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.Where(it => request.Ids.Contains(it.TaskInfoId) && it.UserId == logier.Id)
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.Select(it => it.TaskInfoId)
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.ToListAsync(cancellationToken);
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var addIds = request.Ids.Where(it => !applyIds.Contains(it)).ToList();
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foreach (var addId in addIds)
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{
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var entity = new TaskInfoUser
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{
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TaskInfoId = addId,
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UserId = logier.Id,
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HireStatus = EnumTaskUserHireStatus.Wait
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};
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await rep.InsertAsync(entity);
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}
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return addIds.Count;
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}
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}
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}
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