From c38f2de9c4bca06723a8781b581cff1e3d13e629 Mon Sep 17 00:00:00 2001
From: alireza <a.r.motahhari@gmail.com>
Date: Tue, 9 Jun 2026 01:30:12 +0330
Subject: [PATCH] feat: add Announcement service with GetAnnouncements and
 SendAnnouncement

---
 .../Services/AnnouncementService.cs           | 99 +++++++++++++++++++
 .../Controllers/AnnouncementController.cs     | 34 +++++++
 2 files changed, 133 insertions(+)
 create mode 100644 Complex.Application/Services/AnnouncementService.cs
 create mode 100644 Complex.EndPoint/Controllers/AnnouncementController.cs

diff --git a/Complex.Application/Services/AnnouncementService.cs b/Complex.Application/Services/AnnouncementService.cs
new file mode 100644
index 0000000..15dee36
--- /dev/null
+++ b/Complex.Application/Services/AnnouncementService.cs
@@ -0,0 +1,99 @@
+using Complex.Application;
+using Complex.Common.Dto;
+using Complex.Domain.Entities;
+using Microsoft.EntityFrameworkCore;
+
+namespace Complex.Application.Services.Announcement
+{
+    public interface IAnnouncementService
+    {
+        ResultDto<List<AnnouncementDto>> GetAnnouncements(Guid complexId, int page = 1, int pageSize = 20);
+        ResultDto<long> SendAnnouncement(Guid complexId, string body, byte? chatTypeId, string userPhone);
+    }
+
+    public class AnnouncementService : IAnnouncementService
+    {
+        private readonly IComplexDBContext _complexDBContext;
+
+        public AnnouncementService(IComplexDBContext complexDBContext)
+        {
+            _complexDBContext = complexDBContext;
+        }
+
+        public ResultDto<List<AnnouncementDto>> GetAnnouncements(Guid complexId, int page = 1, int pageSize = 20)
+        {
+            var query = _complexDBContext.Chats
+                .Where(c => c.ComplexId == complexId)
+                .OrderByDescending(c => c.Id);
+
+            var totalCount = query.Count();
+
+            var chats = query
+                .Skip((page - 1) * pageSize)
+                .Take(pageSize)
+                .ToList();
+
+            var result = chats.Select(c => new AnnouncementDto
+            {
+                Id = c.Id,
+                ComplexId = c.ComplexId,
+                PersonMobileNumber = c.PersonMobileNumber,
+                Body = c.Body,
+                ChatTypeId = c.ChatTypeId,
+                InsertTime = null // InsertTime is set by Auditable attribute in SaveChanges, not a property on Chat entity
+            }).ToList();
+
+            return new ResultDto<List<AnnouncementDto>>
+            {
+                Data = result,
+                IsSuccess = true,
+                RowCount = totalCount
+            };
+        }
+
+        public ResultDto<long> SendAnnouncement(Guid complexId, string body, byte? chatTypeId, string userPhone)
+        {
+            var chat = new Chat
+            {
+                ComplexId = complexId,
+                Body = body,
+                ChatTypeId = chatTypeId ?? 0,
+                PersonMobileNumber = userPhone
+            };
+
+            _complexDBContext.Chats.Add(chat);
+            _complexDBContext.SaveChanges();
+
+            return new ResultDto<long>
+            {
+                Data = chat.Id,
+                IsSuccess = true,
+                Message = "ثبت با موفقیت انجام شد"
+            };
+        }
+    }
+
+    public class AnnouncementDto
+    {
+        public long Id { get; set; }
+        public Guid ComplexId { get; set; }
+        public string? PersonMobileNumber { get; set; }
+        public string? Body { get; set; }
+        public byte? ChatTypeId { get; set; }
+        public string? InsertTime { get; set; }
+    }
+
+    public class AnnouncementListRequest
+    {
+        public Guid ComplexId { get; set; }
+        public int Page { get; set; } = 1;
+        public int PageSize { get; set; } = 20;
+    }
+
+    public class SendAnnouncementRequest
+    {
+        public Guid ComplexId { get; set; }
+        public string Body { get; set; }
+        public byte? ChatTypeId { get; set; }
+    }
+}
diff --git a/Complex.EndPoint/Controllers/AnnouncementController.cs b/Complex.EndPoint/Controllers/AnnouncementController.cs
new file mode 100644
index 0000000..43f76e4
--- /dev/null
+++ b/Complex.EndPoint/Controllers/AnnouncementController.cs
@@ -0,0 +1,34 @@
+using Complex.Application.Services.Announcement;
+using Complex.Common.Dto;
+using Complex.EndPoint.Utility;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Complex.EndPoint.Controllers
+{
+    [ApiController]
+    [ApiVersion("1")]
+    [Route("api/v{version:apiVersion}/[controller]/[action]")]
+    [Authorize]
+    public class AnnouncementController : Controller
+    {
+        private readonly IAnnouncementService _announcementService;
+
+        public AnnouncementController(IAnnouncementService announcementService)
+        {
+            _announcementService = announcementService;
+        }
+
+        [HttpPost]
+        public ResultDto<List<AnnouncementDto>> GetAnnouncements(AnnouncementListRequest request)
+        {
+            return _announcementService.GetAnnouncements(request.ComplexId, request.Page, request.PageSize);
+        }
+
+        [HttpPost]
+        public ResultDto<long> SendAnnouncement(SendAnnouncementRequest request)
+        {
+            return _announcementService.SendAnnouncement(request.ComplexId, request.Body, request.ChatTypeId, User.GetUserId());
+        }
+    }
+}