diff --git a/src/api/helpers.js b/src/api/helpers.js
index 47c1426735..13aab1b07c 100644
--- a/src/api/helpers.js
+++ b/src/api/helpers.js
@@ -1,6 +1,11 @@
 'use strict';
 
 const url = require('url');
+const user = require('../user');
+const topics = require('../topics');
+const privileges = require('../privileges');
+const socketHelpers = require('../socket.io/helpers');
+const events = require('../events');
 
 // creates a slimmed down version of the request object
 exports.buildReqObject = (req, payload) => {
@@ -28,3 +33,43 @@ exports.buildReqObject = (req, payload) => {
 		headers: headers,
 	};
 };
+
+
+exports.doTopicAction = async function (action, event, caller, { tids }) {
+	if (!Array.isArray(tids)) {
+		throw new Error('[[error:invalid-tid]]');
+	}
+
+	const exists = (await Promise.all(tids.map(async tid => await topics.exists(tid)))).every(Boolean);
+	if (!exists) {
+		throw new Error('[[error:no-topic]]');
+	}
+
+	if (typeof topics.tools[action] !== 'function') {
+		return;
+	}
+
+	const uids = await user.getUidsFromSet('users:online', 0, -1);
+
+	await Promise.all(tids.map(async function (tid) {
+		const title = await topics.getTopicField(tid, 'title');
+		const data = await topics.tools[action](tid, caller.uid);
+		const notifyUids = await privileges.categories.filterUids('topics:read', data.cid, uids);
+		socketHelpers.emitToUids(event, data, notifyUids);
+		await logTopicAction(action, caller, tid, title);
+	}));
+};
+
+async function logTopicAction(action, req, tid, title) {
+	var actionsToLog = ['delete', 'restore', 'purge'];
+	if (!actionsToLog.includes(action)) {
+		return;
+	}
+	await events.log({
+		type: 'topic-' + action,
+		uid: req.uid,
+		ip: req.ip,
+		tid: tid,
+		title: String(title),
+	});
+}
diff --git a/src/api/topics.js b/src/api/topics.js
index d2aee0d85e..3b1f8d0ee4 100644
--- a/src/api/topics.js
+++ b/src/api/topics.js
@@ -4,10 +4,10 @@ const user = require('../user');
 const topics = require('../topics');
 const posts = require('../posts');
 const meta = require('../meta');
-const events = require('../events');
-const privileges = require('../privileges');
 
 const apiHelpers = require('./helpers');
+const doTopicAction = apiHelpers.doTopicAction;
+
 const socketHelpers = require('../socket.io/helpers');
 
 const topicsAPI = module.exports;
@@ -80,43 +80,43 @@ topicsAPI.reply = async function (caller, data) {
 
 topicsAPI.delete = async function (caller, data) {
 	await doTopicAction('delete', 'event:topic_deleted', caller, {
-		tids: [data.tid],
+		tids: data.tids,
 	});
 };
 
 topicsAPI.restore = async function (caller, data) {
 	await doTopicAction('restore', 'event:topic_restored', caller, {
-		tids: [data.tid],
+		tids: data.tids,
 	});
 };
 
 topicsAPI.purge = async function (caller, data) {
 	await doTopicAction('purge', 'event:topic_purged', caller, {
-		tids: [data.tid],
+		tids: data.tids,
 	});
 };
 
 topicsAPI.pin = async function (caller, data) {
 	await doTopicAction('pin', 'event:topic_pinned', caller, {
-		tids: [data.tid],
+		tids: data.tids,
 	});
 };
 
 topicsAPI.unpin = async function (caller, data) {
 	await doTopicAction('unpin', 'event:topic_unpinned', caller, {
-		tids: [data.tid],
+		tids: data.tids,
 	});
 };
 
 topicsAPI.lock = async function (caller, data) {
 	await doTopicAction('lock', 'event:topic_locked', caller, {
-		tids: [data.tid],
+		tids: data.tids,
 	});
 };
 
 topicsAPI.unlock = async function (caller, data) {
 	await doTopicAction('unlock', 'event:topic_unlocked', caller, {
-		tids: [data.tid],
+		tids: data.tids,
 	});
 };
 
@@ -131,42 +131,3 @@ topicsAPI.ignore = async function (caller, data) {
 topicsAPI.unfollow = async function (caller, data) {
 	await topics.unfollow(data.tid, caller.uid);
 };
-
-async function doTopicAction(action, event, caller, { tids }) {
-	if (!Array.isArray(tids)) {
-		throw new Error('[[error:invalid-tid]]');
-	}
-
-	const exists = (await Promise.all(tids.map(async tid => await topics.exists(tid)))).every(Boolean);
-	if (!exists) {
-		throw new Error('[[error:no-topic]]');
-	}
-
-	if (typeof topics.tools[action] !== 'function') {
-		return;
-	}
-
-	const uids = await user.getUidsFromSet('users:online', 0, -1);
-
-	await Promise.all(tids.map(async function (tid) {
-		const title = await topics.getTopicField(tid, 'title');
-		const data = await topics.tools[action](tid, caller.uid);
-		const notifyUids = await privileges.categories.filterUids('topics:read', data.cid, uids);
-		socketHelpers.emitToUids(event, data, notifyUids);
-		await logTopicAction(action, caller, tid, title);
-	}));
-}
-
-async function logTopicAction(action, req, tid, title) {
-	var actionsToLog = ['delete', 'restore', 'purge'];
-	if (!actionsToLog.includes(action)) {
-		return;
-	}
-	await events.log({
-		type: 'topic-' + action,
-		uid: req.uid,
-		ip: req.ip,
-		tid: tid,
-		title: String(title),
-	});
-}
diff --git a/src/controllers/write/posts.js b/src/controllers/write/posts.js
index ce04402d2d..eaf9033922 100644
--- a/src/controllers/write/posts.js
+++ b/src/controllers/write/posts.js
@@ -13,8 +13,8 @@ const utils = require('../../utils');
 
 const helpers = require('../helpers');
 const sockets = require('../../socket.io');
+const apiHelpers = require('../../api/helpers');
 const socketPostHelpers = require('../../socket.io/posts/helpers');	// eehhh...
-const socketTopics = require('../../socket.io/topics');	// eehhh...
 
 const Posts = module.exports;
 
@@ -111,7 +111,7 @@ Posts.purge = async (req, res) => {
 	});
 
 	if (isMainAndLast) {
-		await socketTopics.doTopicAction('purge', 'event:topic_purged', {
+		await apiHelpers.doTopicAction('purge', 'event:topic_purged', {
 			ip: req.ip,
 			uid: req.user.uid,
 		}, { tids: [postData.tid], cid: topicData.cid });
@@ -199,12 +199,12 @@ async function isMainAndLastPost(pid) {
 async function deleteOrRestoreTopicOf(command, pid, req) {
 	const topic = await posts.getTopicFields(pid, ['tid', 'cid', 'deleted']);
 	if (command === 'delete' && !topic.deleted) {
-		await socketTopics.doTopicAction('delete', 'event:topic_deleted', {
+		await apiHelpers.doTopicAction('delete', 'event:topic_deleted', {
 			uid: req.user.uid,
 			ip: req.ip,
 		}, { tids: [topic.tid], cid: topic.cid });
 	} else if (command === 'restore' && topic.deleted) {
-		await socketTopics.doTopicAction('restore', 'event:topic_restored', {
+		await apiHelpers.doTopicAction('restore', 'event:topic_restored', {
 			uid: req.user.uid,
 			ip: req.ip,
 		}, { tids: [topic.tid], cid: topic.cid });
diff --git a/src/controllers/write/topics.js b/src/controllers/write/topics.js
index 9e56bd74df..7e44b4184f 100644
--- a/src/controllers/write/topics.js
+++ b/src/controllers/write/topics.js
@@ -22,37 +22,37 @@ Topics.reply = async (req, res) => {
 };
 
 Topics.delete = async (req, res) => {
-	await api.topics.delete(req, req.params);
+	await api.topics.delete(req, { tids: [req.params.tid] });
 	helpers.formatApiResponse(200, res);
 };
 
 Topics.restore = async (req, res) => {
-	await api.topics.restore(req, req.params);
+	await api.topics.restore(req, { tids: [req.params.tid] });
 	helpers.formatApiResponse(200, res);
 };
 
 Topics.purge = async (req, res) => {
-	await api.topics.purge(req, req.params);
+	await api.topics.purge(req, { tids: [req.params.tid] });
 	helpers.formatApiResponse(200, res);
 };
 
 Topics.pin = async (req, res) => {
-	await api.topics.pin(req, req.params);
+	await api.topics.pin(req, { tids: [req.params.tid] });
 	helpers.formatApiResponse(200, res);
 };
 
 Topics.unpin = async (req, res) => {
-	await api.topics.unpin(req, req.params);
+	await api.topics.unpin(req, { tids: [req.params.tid] });
 	helpers.formatApiResponse(200, res);
 };
 
 Topics.lock = async (req, res) => {
-	await api.topics.lock(req, req.params);
+	await api.topics.lock(req, { tids: [req.params.tid] });
 	helpers.formatApiResponse(200, res);
 };
 
 Topics.unlock = async (req, res) => {
-	await api.topics.unlock(req, req.params);
+	await api.topics.unlock(req, { tids: [req.params.tid] });
 	helpers.formatApiResponse(200, res);
 };
 
diff --git a/src/socket.io/posts/tools.js b/src/socket.io/posts/tools.js
index 492385481c..8e4df14a6e 100644
--- a/src/socket.io/posts/tools.js
+++ b/src/socket.io/posts/tools.js
@@ -5,7 +5,7 @@ const topics = require('../../topics');
 const flags = require('../../flags');
 const events = require('../../events');
 const websockets = require('../index');
-const socketTopics = require('../topics');
+const apiHelpers = require('../../api/helpers');
 const privileges = require('../../privileges');
 const plugins = require('../../plugins');
 const social = require('../../social');
@@ -158,16 +158,16 @@ module.exports = function (SocketPosts) {
 		});
 
 		if (isMainAndLast) {
-			await socketTopics.doTopicAction('purge', 'event:topic_purged', socket, { tids: [postData.tid], cid: topicData.cid });
+			await apiHelpers.doTopicAction('purge', 'event:topic_purged', socket, { tids: [postData.tid], cid: topicData.cid });
 		}
 	};
 
 	async function deleteOrRestoreTopicOf(command, pid, socket) {
 		const topic = await posts.getTopicFields(pid, ['tid', 'cid', 'deleted']);
 		if (command === 'delete' && !topic.deleted) {
-			await socketTopics.doTopicAction('delete', 'event:topic_deleted', socket, { tids: [topic.tid], cid: topic.cid });
+			await apiHelpers.doTopicAction('delete', 'event:topic_deleted', socket, { tids: [topic.tid], cid: topic.cid });
 		} else if (command === 'restore' && topic.deleted) {
-			await socketTopics.doTopicAction('restore', 'event:topic_restored', socket, { tids: [topic.tid], cid: topic.cid });
+			await apiHelpers.doTopicAction('restore', 'event:topic_restored', socket, { tids: [topic.tid], cid: topic.cid });
 		}
 	}