feat: fire new hooks on chat message editing

public/src/client/chats/messages.js

@@ -130,6 +130,12 @@ define('forum/chats/messages', ['components', 'sounds', 'translator', 'benchpres
 				// message, instead of posting a new one.
 				inputEl.attr('data-mid', messageId).addClass('editing');
 				inputEl.val(raw).focus();
+
+				$(window).trigger('action:chat.prepEdit', {
+					inputEl: inputEl,
+					messageId: messageId,
+					roomId: roomId,
+				});
 			}
 		});
 	};

src/messaging/data.js

@@ -19,8 +19,8 @@ module.exports = function (Messaging) {
 
 		const keys = mids.map(mid => 'message:' + mid);
 		const messages = await (fields.length ? db.getObjectsFields(keys, fields) : db.getObjects(keys));
-		messages.forEach(message => modifyMessage(message, fields));
-		return messages;
+
+		return await Promise.all(messages.map(async (message, idx) => modifyMessage(message, fields, parseInt(mids[idx], 10))));
 	};
 
 	Messaging.getMessageField = async (mid, field) => {
@@ -133,7 +133,7 @@ module.exports = function (Messaging) {
 	};
 };
 
-function modifyMessage(message, fields) {
+async function modifyMessage(message, fields, mid) {
 	if (message) {
 		db.parseIntFields(message, intFields, fields);
 		if (message.hasOwnProperty('timestamp')) {
@@ -143,4 +143,12 @@ function modifyMessage(message, fields) {
 			message.editedISO = utils.toISOString(message.edited);
 		}
 	}
+
+	const payload = await plugins.fireHook('filter:messaging.getFields', {
+		mid: mid,
+		message: message,
+		fields: fields,
+	});
+
+	return payload.message;
 }

src/messaging/edit.js

@@ -2,6 +2,7 @@
 
 const meta = require('../meta');
 const user = require('../user');
+const plugins = require('../plugins');
 
 const sockets = require('../socket.io');
 
@@ -13,14 +14,17 @@ module.exports = function (Messaging) {
 		if (raw === content) {
 			return;
 		}
-		if (!String(content).trim()) {
-			throw new Error('[[error:invalid-chat-message]]');
-		}
-		await Messaging.setMessageFields(mid, {
+
+		const payload = await plugins.fireHook('filter:messaging.edit', {
 			content: content,
 			edited: Date.now(),
 		});
 
+		if (!String(payload.content).trim()) {
+			throw new Error('[[error:invalid-chat-message]]');
+		}
+		await Messaging.setMessageFields(mid, payload);
+
 		// Propagate this change to users in the room
 		const [uids, messages] = await Promise.all([
 			Messaging.getUidsInRoom(roomId, 0, -1),