From 327cbe434d20136ebd94d861ae45a7e94163efd9 Mon Sep 17 00:00:00 2001
From: Pierre HUBERT <pierre.git@communiquons.org>
Date: Sat, 7 Dec 2019 18:39:59 +0100
Subject: [PATCH] Can update conversation message content

---
 src/controllers/ConversationsController.ts | 21 +++++++++++++
 src/controllers/Routes.ts                  |  2 ++
 src/helpers/ConversationsHelper.ts         | 34 ++++++++++++++++++++++
 3 files changed, 57 insertions(+)

diff --git a/src/controllers/ConversationsController.ts b/src/controllers/ConversationsController.ts
index af4d500..22131e7 100644
--- a/src/controllers/ConversationsController.ts
+++ b/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
 	 * 
diff --git a/src/controllers/Routes.ts b/src/controllers/Routes.ts
index 682a488..f78a569 100644
--- a/src/controllers/Routes.ts
+++ b/src/controllers/Routes.ts
@@ -72,6 +72,8 @@ export const Routes : Route[] = [
 	{path: "/conversations/get_list_unread", cb: (h) => ConversationsController.GetListUnread(h)},
 
 	{path: "/conversations/delete", cb: (h) => ConversationsController.DeleteConversation(h)},
+
+	{path: "/conversations/updateMessage", cb: (h) => ConversationsController.UpdateMessage(h)},
 	
 
 	// Search controller
diff --git a/src/helpers/ConversationsHelper.ts b/src/helpers/ConversationsHelper.ts
index 4af58fa..1e79b2d 100644
--- a/src/helpers/ConversationsHelper.ts
+++ b/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
 	 *