Cherry-pick admin capabilities from SLS

This cherry-picks some changes from the SLS fork.

backend/src/controllers/topic.controller.js

@@ -231,6 +231,27 @@ exports.findAllApproved = (req, res) => {
 
 };
 
+exports.findAll = async (req, res) => {
+	Topic.findAll({attributes:["topic_id","name", "approved", "information"]}).then(data =>
+		res.send(data)
+	).catch(err => {
+		res.status(responseStatusCodes.InternalServerError).send({
+			message: err.message || "Error retrieving Topics with all approved Stati"
+		});
+	});
+};
+
+exports.updateTopicApproved = async (req, res) => {
+	Topic.update({ approved: req.body.approved }, { where: { topic_id: req.body.topic_id} }).then(data => {
+		if (data[0] === 1) {
+			logger.log(`Topic was ${req.body.approved?"activated":"deactivated"} with id: ${req.body.topic_id}`);
+			res.send(true);
+		}
+	}).catch(err => {
+		logger.error("Error approving topic", err);
+	});
+};
+
 exports.pinTopic = async (req, res) => {
 	const user_id = parseInt(req.user.user_id);
 	const topic_id = parseInt(req.params.topic_id);