Can update conversation message content

src/controllers/ConversationsController.ts

@@ -319,6 +319,27 @@ export class ConversationsController {
 		h.success("The conversation has been deleted.");
 	}
 
+	/**
+	 * Update the content of a conversation message
+	 * 
+	 * @param h Request handler
+	 */
+	public static async UpdateMessage(h: RequestHandler) {
+		const messageID = h.postInt("messageID");
+		const newContent = h.postString("content");
+
+		if(newContent.length < 3)
+			h.error(401, "Invalid new message content!");
+		
+		// Check out whether the user own the message or not
+		if(!await ConversationsHelper.IsUserMessageOwner(h.getUserId(), messageID))
+			h.error(401, "You do not own this conversation message!");
+
+		await ConversationsHelper.UpdateMessageContent(messageID, newContent);
+
+		h.success("Conversation message content successfully update");
+	}
+
 	/**
 	 * Get and return safely a conversation ID specified in a $_POST Request
 	 * 

src/controllers/Routes.ts

@@ -73,6 +73,8 @@ export const Routes : Route[] = [
 
 	{path: "/conversations/delete", cb: (h) => ConversationsController.DeleteConversation(h)},
 
+	{path: "/conversations/updateMessage", cb: (h) => ConversationsController.UpdateMessage(h)},
+	
 
 	// Search controller
 	{path: "/search/user", cb: (h) => SearchController.SearchUser(h)},

src/helpers/ConversationsHelper.ts

@@ -243,6 +243,22 @@ export class ConversationsHelper {
 		}) == 1;
 	}
 
+	/**
+	 * Check out whether a user is the owner of a message or not
+	 * 
+	 * @param userID Target user ID
+	 * @param messageID Target message ID
+	 */
+	public static async IsUserMessageOwner(userID: number, messageID: number) : Promise<boolean> {
+		return (await DatabaseHelper.Count({
+			table: MESSAGES_TABLE,
+			where: {
+				id: messageID,
+				user_id: userID
+			}
+		})) > 0;
+	}
+
 	/**
 	 * Get the last messages of a conversation
 	 * 
@@ -382,6 +398,24 @@ export class ConversationsHelper {
 
 	}
 
+	/**
+	 * Update message content
+	 * 
+	 * @param messageID Target message ID
+	 * @param newContent New message content
+	 */
+	public static async UpdateMessageContent(messageID: number, newContent: string) {
+		await DatabaseHelper.UpdateRows({
+			table: MESSAGES_TABLE,
+			where: {
+				id: messageID
+			},
+			set: {
+				message: newContent
+			}
+		});
+	}
+
 	/**
 	 * Search for private conversations between two users
 	 *