Chat log (#52)

server/Controllers/ChatHttpController.cs

@@ -34,4 +34,25 @@ public async Task<ActionResult> Join([FromBody] ChatJoinRequest chatJoinRequest)
 
         return Ok();
     }
+
+    [HttpGet]
+    public async Task<ActionResult> ChatLog(long roomId)
+    {
+        var chatLogResponse = await _chatHttpService.ChatLog(roomId);
+
+        if (chatLogResponse == null) return NotFound();
+
+        JwtSecurityToken jwtToken = HttpContext.GetJwtToken();
+        long id = long.Parse(jwtToken.GetClaimByType("id"));
+
+        foreach (var response in chatLogResponse)
+        {
+            if (response.sender == id)
+            {
+                return Ok(chatLogResponse);
+            }
+        }
+
+        return Unauthorized();
+    }
 }

server/DTOs/chat/ChatLogResponse.cs

@@ -0,0 +1,10 @@
+namespace server.DTOs;
+
+public class ChatLogResponse
+{
+    public long sender { get; set; }
+
+    public string message { get; set; }
+
+    public DateTime datetime { get; set; }
+}

server/Entities/ChatLogsEntity.cs

@@ -11,7 +11,7 @@ public class ChatLogsEntity : BaseEntity
         public long Receiver { get; set; }
 
         [Required]
-        public string DateTime { get; set; }
+        public DateTime DateTime { get; set; }
 
         [Required]
         public string Message { get; set; }
@@ -21,7 +21,6 @@ public class ChatLogsEntity : BaseEntity
 
         public ChatLogsEntity()
         {
-            DateTime = "";
             Message = "";
         }
     }

server/Services/ChatHttpService.cs

@@ -1,4 +1,5 @@
-using server.DTOs;
+using System.Data.Entity;
+using server.DTOs;
 using server.Entities;
 using server.Interface;
 
@@ -33,4 +34,29 @@ public ChatHttpService(ApplicationDbContext context)
 
         return true;
     }
+
+    public async Task<List<ChatLogResponse>> ChatLog(long roomId)
+    {
+        // RoomId가 동일한 채팅 기록들을 모두 받아옴
+        var chatLogs = this._context.ChatLogsEntities.Where(log => log.RoomId == roomId).ToList();
+        List<ChatLogResponse> chatLogResponses = new List<ChatLogResponse>();
+
+        // RoomId가 동일한 채팅 기록이 없는 경우 null을 반환함.
+        if (chatLogs == null || !chatLogs.Any()) return null;
+
+        foreach (var chatLog in chatLogs)
+        {
+            ChatLogResponse response = new ChatLogResponse
+            {
+                sender = chatLog.Sender,
+                message = chatLog.Message,
+                datetime = chatLog.DateTime
+            };
+
+            chatLogResponses.Add(response);
+        }
+
+        return chatLogResponses;
+    }
+
 }