Ready to display older messages

assets/js/components/conversations/chatWindows.js

@@ -887,7 +887,34 @@ ComunicWeb.components.conversations.chatWindows = {
 			scrollDetectionLocked = true;
 
 			//Fetch older messages
-			console.log("Fetch old messages");
+			ComunicWeb.components.conversations.interface.getOlderMessages(
+				conversationID,
+				ComunicWeb.components.conversations.service.getOldestMessageID(conversationID),
+				10,
+				function(result){
+
+					//Unlock scroll detection
+					scrollDetectionLocked = false;
+
+					//Check for errors
+					if(result.error){
+						notify("An error occured while trying to fetch older messages for the conversation !");
+						return;
+					}
+
+					//Check for results
+					if(result.length == 0){
+						//Lock scroll detection in order to avoid useless traffic
+						scrollDetectionLocked = true;
+						return;
+					}
+
+					//Save the ID of the oldest message
+					ComunicWeb.components.conversations.service.setOldestMessageID(result[0].ID);
+
+					//Process the messages in reverse order
+				}
+			);
 		});
 	}
 }

assets/js/components/conversations/interface.js

@@ -322,6 +322,27 @@ ComunicWeb.components.conversations.interface = {
 
 	},
 
+	/**
+	 * Get older message of a conversation
+	 * 
+	 * @param {number} conversationID The ID of the conversation
+	 * @param {number} oldestMessageID The ID of the oldest message known
+	 * @param {number} limit The limit
+	 * @param {function} callback
+	 */
+	getOlderMessages: function(conversationID, oldestMessageID, limit, callback){
+
+		//Perform a request on the API
+		var apiURI = "conversations/get_older_messages";
+		var params = {
+			conversationID: conversationID,
+			oldest_message_id: oldestMessageID,
+			limit: limit
+		};
+
+		ComunicWeb.common.api.makeAPIrequest(apiURI, params, true, callback);
+	},
+
 	/**
 	 * Empty conversations cache
 	 *