moved flag history expansion to its own method, showing usernames in assignee history event

public/language/en_GB/topic.json

@@ -47,6 +47,9 @@
 	"flag_manage_state_rejected": "Rejected",
 	"flag_manage_notes": "Shared Notes",
 	"flag_manage_update": "Update Flag Status",
+	"flag_manage_history_assignee": "Assigned to %1",
+	"flag_manage_history_state": "Updated state to %1",
+	"flag_manage_history_notes": "Updates flag notes",
 
 	"deleted_message": "This topic has been deleted. Only users with topic management privileges can see it.",
 

src/posts/flags.js

@@ -195,24 +195,13 @@ module.exports = function(Posts) {
 
 						if (post) {
 							post.flagReasons = reasons[index];
-
-							// Expand flag history
-							try {
-								history = JSON.parse(post['flag:history'] || '[]');
-								history.map(function(event) {
-									event.timestampISO = new Date(event.timestamp).toISOString();
-									return event;
-								});
-								post['flag:history'] = history;
-							} catch (e) {
-								winston.warn('[posts/getFlags] Unable to deserialise post flag history, likely malformed data');
-							}
 						}
 					});
 
 					next(null, results.posts);
 				});
-			}
+			},
+			async.apply(Posts.expandFlagHistory)
 		], callback);
 	}
 
@@ -305,4 +294,39 @@ module.exports = function(Posts) {
 			Posts.setPostFields(pid, changeset, callback);
 		});
 	};
+
+	Posts.expandFlagHistory = function(posts, callback) {
+		// Expand flag history
+		async.map(posts, function(post, next) {
+			try {
+				var history = JSON.parse(post['flag:history'] || '[]');
+			} catch (e) {
+				winston.warn('[posts/getFlags] Unable to deserialise post flag history, likely malformed data');
+				callback(e);
+			}
+
+			async.map(history, function(event, next) {
+				event.timestampISO = new Date(event.timestamp).toISOString();
+
+				if (event.type === 'assignee') {
+					user.getUserField(parseInt(event.value, 10), 'username', function(err, username) {
+						if (err) {
+							return next(err);
+						}
+
+						event.label = username || 'Unknown user';
+						next(null, event);
+					});
+				} else if (event.type === 'state') {
+					event.label = '[[topic:flag_manage_state_' + event.value + ']]';
+					setImmediate(next.bind(null, null, event));
+				} else {
+					setImmediate(next.bind(null, null, event));
+				}
+			}, function(err, history) {
+				post['flag:history'] = history;
+				next(null, post);
+			});
+		}, callback);
+	}
 };

src/views/admin/manage/flags.tpl

@@ -151,7 +151,7 @@
 										<!-- BEGIN posts.flagData.history -->
 										<li class="list-group-item">
 											<div class="pull-right"><small><span class="timeago" title="{../timestampISO}"></span></small></div>
-											Updated <span class="label label-info">{../type}</span> to {../value}
+											[[topic:flag_manage_history_{../type}, {../label}]]
 										</li>
 										<!-- END posts.flagData.history -->
 									</ul>