diff --git a/src/graphql/BlacklistedResult.ts b/src/graphql/BlacklistedResult.ts
index 4139424..8153bd1 100644
--- a/src/graphql/BlacklistedResult.ts
+++ b/src/graphql/BlacklistedResult.ts
@@ -1,6 +1,10 @@
+/**
+ * A result of a query to check if a phrase contains blacklisted phrases
+ */
 export class BlacklistedResult {
     constructor(
         public blacklisted: boolean,
         public phrases: string[],
-    ) {}
+    ) {
+    }
 }
diff --git a/src/graphql/MutationResolver.ts b/src/graphql/MutationResolver.ts
index f70de4d..236f067 100644
--- a/src/graphql/MutationResolver.ts
+++ b/src/graphql/MutationResolver.ts
@@ -425,7 +425,7 @@ export class MutationResolver extends BaseResolver {
      * @param languageCode
      * @param request
      */
-    public async addToBlacklist({phrase, languageCode}: {phrase: string, languageCode?: string}, request: any):
+    public async addToBlacklist({phrase, languageCode}: { phrase: string, languageCode?: string }, request: any):
         Promise<boolean> {
         this.ensureLoggedIn(request);
         const user = await User.findByPk(request.session.userId);
@@ -448,7 +448,7 @@ export class MutationResolver extends BaseResolver {
      * @param languageCode
      * @param request
      */
-    public async removeFromBlacklist({phrase, languageCode}: {phrase: string, languageCode: string}, request: any):
+    public async removeFromBlacklist({phrase, languageCode}: { phrase: string, languageCode: string }, request: any):
         Promise<boolean> {
         this.ensureLoggedIn(request);
         const user = await User.findByPk(request.session.userId);
diff --git a/src/graphql/QueryResolver.ts b/src/graphql/QueryResolver.ts
index 04d7cd8..4b0cce6 100644
--- a/src/graphql/QueryResolver.ts
+++ b/src/graphql/QueryResolver.ts
@@ -6,16 +6,7 @@ import {PostNotFoundGqlError} from "../lib/errors/graphqlErrors";
 import {GroupNotFoundError} from "../lib/errors/GroupNotFoundError";
 import {RequestNotFoundError} from "../lib/errors/RequestNotFoundError";
 import {UserNotFoundError} from "../lib/errors/UserNotFoundError";
-import {
-    Activity,
-    BlacklistedPhrase,
-    ChatRoom,
-    Event,
-    Group,
-    Post,
-    Request,
-    User,
-} from "../lib/models";
+import {Activity, BlacklistedPhrase, ChatRoom, Event, Group, Post, Request, User} from "../lib/models";
 import {BlacklistedResult} from "./BlacklistedResult";
 import {MutationResolver} from "./MutationResolver";
 import {SearchResult} from "./SearchResult";
@@ -31,7 +22,7 @@ export class QueryResolver extends MutationResolver {
      * @param userId
      * @param handle
      */
-    public async getUser({userId, handle}: {userId?: number, handle?: string}): Promise<User> {
+    public async getUser({userId, handle}: { userId?: number, handle?: string }): Promise<User> {
         let user: User;
         if (userId) {
             user = await User.findByPk(userId);
@@ -52,7 +43,7 @@ export class QueryResolver extends MutationResolver {
      * @param args
      * @param request
      */
-    public async getSelf(args: null, request: any): Promise<User>  {
+    public async getSelf(args: null, request: any): Promise<User> {
         this.ensureLoggedIn(request);
         return User.findByPk(request.session.userId);
     }
@@ -61,7 +52,7 @@ export class QueryResolver extends MutationResolver {
      * Returns a post for a given post id.
      * @param postId
      */
-    public async getPost({postId}: {postId: number}): Promise<Post> {
+    public async getPost({postId}: { postId: number }): Promise<Post> {
         const post = await Post.findByPk(postId);
         if (post) {
             return post;
@@ -74,7 +65,7 @@ export class QueryResolver extends MutationResolver {
      * Returns a chat for a given chat id
      * @param chatId
      */
-    public async getChat({chatId}: {chatId: number}): Promise<ChatRoom> {
+    public async getChat({chatId}: { chatId: number }): Promise<ChatRoom> {
         const chat = await ChatRoom.findByPk(chatId);
         if (chat) {
             return chat;
@@ -87,7 +78,7 @@ export class QueryResolver extends MutationResolver {
      * Returns a group for a given group id.
      * @param groupId
      */
-    public async getGroup({groupId}: {groupId: number}): Promise<Group> {
+    public async getGroup({groupId}: { groupId: number }): Promise<Group> {
         const group = await Group.findByPk(groupId);
         if (group) {
             return group;
@@ -100,7 +91,7 @@ export class QueryResolver extends MutationResolver {
      * Returns the request for a given id.
      * @param requestId
      */
-    public async getRequest({requestId}: {requestId: number}): Promise<Request> {
+    public async getRequest({requestId}: { requestId: number }): Promise<Request> {
         const request = await Request.findByPk(requestId);
         if (request) {
             return request;
@@ -115,7 +106,7 @@ export class QueryResolver extends MutationResolver {
      * @param first
      * @param offset
      */
-    public async search({query, first, offset}: {query: number, first: number, offset: number}): Promise<SearchResult> {
+    public async search({query, first, offset}: { query: number, first: number, offset: number }): Promise<SearchResult> {
         const limit = first;
         const users = await User.findAll({
             limit,
@@ -151,7 +142,7 @@ export class QueryResolver extends MutationResolver {
      * @param offset
      * @param sort
      */
-    public async getPosts({first, offset, sort}: {first: number, offset: number, sort: dataaccess.SortType}):
+    public async getPosts({first, offset, sort}: { first: number, offset: number, sort: dataaccess.SortType }):
         Promise<Post[]> {
         return await dataaccess.getPosts(first, offset, sort);
     }
@@ -160,7 +151,7 @@ export class QueryResolver extends MutationResolver {
      * Returns all activities
      */
     public async getActivities(): Promise<Activity[]> {
-        return  Activity.findAll();
+        return Activity.findAll();
     }
 
     /**
@@ -168,7 +159,7 @@ export class QueryResolver extends MutationResolver {
      * @param email
      * @param passwordHash
      */
-    public async getToken({email, passwordHash}: {email: string, passwordHash: string}): Promise<Token> {
+    public async getToken({email, passwordHash}: { email: string, passwordHash: string }): Promise<Token> {
         const user = await dataaccess.getUserByLogin(email, passwordHash);
         return new Token(await user.token(), Number(user.authExpire).toString());
     }
@@ -177,7 +168,7 @@ export class QueryResolver extends MutationResolver {
      * Returns if a input phrase contains blacklisted phrases and which one
      * @param phrase
      */
-    public async blacklisted({phrase}: {phrase: string}): Promise<BlacklistedResult> {
+    public async blacklisted({phrase}: { phrase: string }): Promise<BlacklistedResult> {
         const phrases = await dataaccess.checkBlacklisted(phrase);
         return new BlacklistedResult(phrases.length > 0, phrases
             .map((p) => p.phrase));
@@ -188,7 +179,7 @@ export class QueryResolver extends MutationResolver {
      * @param first
      * @param offset
      */
-    public async getBlacklistedPhrases({first, offset}: {first: number, offset: number}): Promise<string[]> {
+    public async getBlacklistedPhrases({first, offset}: { first: number, offset: number }): Promise<string[]> {
         return (await BlacklistedPhrase.findAll({limit: first, offset}))
             .map((p) => p.phrase);
     }
diff --git a/src/graphql/SearchResult.ts b/src/graphql/SearchResult.ts
index 739f023..bee76ef 100644
--- a/src/graphql/SearchResult.ts
+++ b/src/graphql/SearchResult.ts
@@ -1,4 +1,4 @@
-import {Group, Post, User, Event} from "../lib/models";
+import {Event, Group, Post, User} from "../lib/models";
 
 /**
  * A class to wrap search results returned by the search resolver
@@ -9,5 +9,6 @@ export class SearchResult {
         public groups: Group[],
         public posts: Post[],
         public events: Event[],
-    ) {}
+    ) {
+    }
 }
diff --git a/src/graphql/Token.ts b/src/graphql/Token.ts
index f56d369..af91a94 100644
--- a/src/graphql/Token.ts
+++ b/src/graphql/Token.ts
@@ -5,5 +5,6 @@ export class Token {
     constructor(
         public value: string,
         public expires: string,
-    ) {}
+    ) {
+    }
 }
diff --git a/src/lib/dataAccess.ts b/src/lib/dataAccess.ts
index 8fc11c9..3b1ad3b 100644
--- a/src/lib/dataAccess.ts
+++ b/src/lib/dataAccess.ts
@@ -1,5 +1,4 @@
 import * as crypto from "crypto";
-import {GraphQLError} from "graphql";
 import * as sqz from "sequelize";
 import {Sequelize} from "sequelize-typescript";
 import {ActivityNotFoundError} from "./errors/ActivityNotFoundError";
@@ -166,11 +165,20 @@ namespace dataaccess {
         } else {
             // more performant way to get the votes with plain sql
             return await sequelize.query(
-                `SELECT * FROM (
-                 SELECT *,
-                 (SELECT count(*) FROM post_votes WHERE vote_type = 'UPVOTE' AND post_id = posts.id) AS upvotes ,
-                 (SELECT count(*) FROM post_votes WHERE vote_type = 'DOWNVOTE' AND post_id = posts.id) AS downvotes
-                 FROM posts) AS a ORDER BY (a.upvotes - a.downvotes) DESC, a.upvotes DESC, a.id LIMIT ? OFFSET ?`,
+                    `SELECT *
+                     FROM (
+                              SELECT *,
+                                     (SELECT count(*)
+                                      FROM post_votes
+                                      WHERE vote_type = 'UPVOTE' AND post_id = posts.id)   AS upvotes,
+                                     (SELECT count(*)
+                                      FROM post_votes
+                                      WHERE vote_type = 'DOWNVOTE' AND post_id = posts.id) AS downvotes
+                              FROM posts) AS a
+                     ORDER BY (a.upvotes - a.downvotes) DESC, a.upvotes DESC, a.id
+                     LIMIT ?
+                     OFFSET
+                     ?`,
                 {replacements: [first, offset], mapToModel: true, model: models.Post}) as models.Post[];
         }
     }
@@ -359,7 +367,10 @@ namespace dataaccess {
     export async function checkBlacklisted(phrase: string, language: string = "en"):
         Promise<models.BlacklistedPhrase[]> {
         return sequelize.query<BlacklistedPhrase>(`
-            SELECT * FROM blacklisted_phrases WHERE ? ~* phrase AND language = ?`,
+                    SELECT *
+                    FROM blacklisted_phrases
+                    WHERE ? ~* phrase
+                      AND language = ?`,
             {replacements: [phrase, language], mapToModel: true, model: BlacklistedPhrase});
     }
 
diff --git a/src/lib/errors/ActivityNotFoundError.ts b/src/lib/errors/ActivityNotFoundError.ts
index fb0f5c9..2b51fe8 100644
--- a/src/lib/errors/ActivityNotFoundError.ts
+++ b/src/lib/errors/ActivityNotFoundError.ts
@@ -4,6 +4,9 @@ import {BaseError} from "./BaseError";
  * An error that is thrown when an activity was not found.
  */
 export class ActivityNotFoundError extends BaseError {
+
+    public readonly statusCode = httpStatus.NOT_FOUND;
+
     constructor(id: number) {
         super(`The activity with the id ${id} could not be found.`);
     }
diff --git a/src/lib/errors/BlacklistedError.ts b/src/lib/errors/BlacklistedError.ts
index a4a76c2..a82cf5c 100644
--- a/src/lib/errors/BlacklistedError.ts
+++ b/src/lib/errors/BlacklistedError.ts
@@ -4,6 +4,9 @@ import {BaseError} from "./BaseError";
  * Represents an error that is thrown when a blacklisted phrase is used.
  */
 export class BlacklistedError extends BaseError {
+
+    public readonly statusCode = httpStatus.NOT_ACCEPTABLE;
+
     constructor(public phrases: string[], field: string = "input") {
         super(`The ${field} contains the blacklisted words: ${phrases.join(", ")}`);
     }
diff --git a/src/lib/errors/ChatNotFoundError.ts b/src/lib/errors/ChatNotFoundError.ts
index 17042dc..7af3d38 100644
--- a/src/lib/errors/ChatNotFoundError.ts
+++ b/src/lib/errors/ChatNotFoundError.ts
@@ -4,6 +4,9 @@ import {BaseError} from "./BaseError";
  * An error that is thrown when the chatroom doesn't exist
  */
 export class ChatNotFoundError extends BaseError {
+
+    public readonly statusCode = httpStatus.NOT_FOUND;
+
     constructor(chatId: number) {
         super(`Chat with id ${chatId} not found.`);
     }
diff --git a/src/lib/errors/GroupNotFoundError.ts b/src/lib/errors/GroupNotFoundError.ts
index f63e119..2e618bc 100644
--- a/src/lib/errors/GroupNotFoundError.ts
+++ b/src/lib/errors/GroupNotFoundError.ts
@@ -4,6 +4,9 @@ import {BaseError} from "./BaseError";
  * An error that is thrown when a group was not found for a specified id
  */
 export class GroupNotFoundError extends BaseError {
+
+    public readonly statusCode = httpStatus.NOT_FOUND;
+
     constructor(groupId: number) {
         super(`Group ${groupId} not found!`);
     }
diff --git a/src/lib/errors/NoActionSpecifiedError.ts b/src/lib/errors/NoActionSpecifiedError.ts
index f18fed4..797ffde 100644
--- a/src/lib/errors/NoActionSpecifiedError.ts
+++ b/src/lib/errors/NoActionSpecifiedError.ts
@@ -4,6 +4,10 @@ import {BaseError} from "./BaseError";
  * An error that is thrown when no action was specified on a group membership change
  */
 export class NoActionSpecifiedError extends BaseError {
+
+    public readonly statusCode = httpStatus.NO_CONTENT;
+
+    // @ts-ignore
     constructor(actions?: any) {
         if (actions) {
             super(`No action of '${Object.keys(actions).join(", ")}'`);
diff --git a/src/lib/errors/NotAGroupAdminError.ts b/src/lib/errors/NotAGroupAdminError.ts
index 2538c37..f125853 100644
--- a/src/lib/errors/NotAGroupAdminError.ts
+++ b/src/lib/errors/NotAGroupAdminError.ts
@@ -1,11 +1,11 @@
-import * as status from "http-status";
+import * as httpStatus from "http-status";
 import {BaseError} from "./BaseError";
 
 /**
  * An error that is thrown when a non-admin tries to perform an admin action
  */
 export class NotAGroupAdminError extends BaseError {
-    public readonly statusCode = status.FORBIDDEN;
+    public readonly statusCode = httpStatus.FORBIDDEN;
 
     constructor(groupId: number) {
         super(`You are not an admin of '${groupId}'`);
diff --git a/src/lib/errors/NotTheGroupCreatorError.ts b/src/lib/errors/NotTheGroupCreatorError.ts
index 7b1e748..479881f 100644
--- a/src/lib/errors/NotTheGroupCreatorError.ts
+++ b/src/lib/errors/NotTheGroupCreatorError.ts
@@ -10,5 +10,4 @@ export class NotTheGroupCreatorError extends BaseError {
     constructor(groupId: number) {
         super(`You are not the creator of '${groupId}'`);
     }
-
 }
diff --git a/src/lib/errors/PostNotFoundError.ts b/src/lib/errors/PostNotFoundError.ts
index 76fcf77..54b20b4 100644
--- a/src/lib/errors/PostNotFoundError.ts
+++ b/src/lib/errors/PostNotFoundError.ts
@@ -4,6 +4,9 @@ import {BaseError} from "./BaseError";
  * An error that is thrown when a post was not found
  */
 export class PostNotFoundError extends BaseError {
+
+    public readonly statusCode = httpStatus.NOT_FOUND;
+
     constructor(postId: number) {
         super(`Post '${postId}' not found!`);
     }
diff --git a/src/lib/errors/RequestNotFoundError.ts b/src/lib/errors/RequestNotFoundError.ts
index 46fa064..fca6895 100644
--- a/src/lib/errors/RequestNotFoundError.ts
+++ b/src/lib/errors/RequestNotFoundError.ts
@@ -5,6 +5,9 @@ import {BaseError} from "./BaseError";
  * An error that is thrown when a request for a sender, receiver and type was not found
  */
 export class RequestNotFoundError extends BaseError {
+    public readonly statusCode = httpStatus.NOT_FOUND;
+
+    // @ts-ignore
     constructor(sender: number, receiver?: number, type?: dataaccess.RequestType) {
         if (!receiver) {
             super(`Request with id '${sender} not found.'`);
diff --git a/src/lib/errors/UserNotFoundError.ts b/src/lib/errors/UserNotFoundError.ts
index 642dc74..23038d7 100644
--- a/src/lib/errors/UserNotFoundError.ts
+++ b/src/lib/errors/UserNotFoundError.ts
@@ -4,6 +4,9 @@ import {BaseError} from "./BaseError";
  * An error that is thrown when a specified user was not found
  */
 export class UserNotFoundError extends BaseError {
+
+    public readonly statusCode = httpStatus.NOT_FOUND;
+
     constructor(username: (string | number)) {
         super(`User ${username} not found!`);
     }
diff --git a/src/lib/errors/graphqlErrors.ts b/src/lib/errors/graphqlErrors.ts
index 26c08aa..f40aa5c 100644
--- a/src/lib/errors/graphqlErrors.ts
+++ b/src/lib/errors/graphqlErrors.ts
@@ -17,21 +17,3 @@ export class PostNotFoundGqlError extends GraphQLError {
         super(`Post '${postId}' not found!`);
     }
 }
-
-/**
- * An error for the frontend that is thrown when a group was not found
- */
-export class GroupNotFoundGqlError extends GraphQLError {
-    constructor(groupId: number) {
-        super(`Group '${groupId}' not found!`);
-    }
-}
-
-/**
- * An error for the frontend that is thrown when a nonadmin tries to perform an admin operation.
- */
-export class NotAnAdminGqlError extends  GraphQLError {
-    constructor() {
-        super("You are not an admin.");
-    }
-}
diff --git a/src/lib/markdown.ts b/src/lib/markdown.ts
index e4d2044..adb7793 100644
--- a/src/lib/markdown.ts
+++ b/src/lib/markdown.ts
@@ -1,6 +1,6 @@
 import * as MarkdownIt from "markdown-it/lib";
 
-const { html5Media } = require("markdown-it-html5-media");
+const {html5Media} = require("markdown-it-html5-media");
 const mdEmoji = require("markdown-it-emoji");
 
 namespace markdown {
diff --git a/src/lib/models/BlacklistedPhrase.ts b/src/lib/models/BlacklistedPhrase.ts
index 5591155..fcd8bff 100644
--- a/src/lib/models/BlacklistedPhrase.ts
+++ b/src/lib/models/BlacklistedPhrase.ts
@@ -1,15 +1,5 @@
 import * as sqz from "sequelize";
-import {
-    BelongsTo,
-    BelongsToMany,
-    Column,
-    ForeignKey,
-    HasMany,
-    Model,
-    NotNull,
-    Table,
-    Unique,
-} from "sequelize-typescript";
+import {Column, Model, NotNull, Table, Unique} from "sequelize-typescript";
 
 /**
  * Represents a blacklisted phrase
diff --git a/src/lib/models/Event.ts b/src/lib/models/Event.ts
index c0119ed..d30e8ad 100644
--- a/src/lib/models/Event.ts
+++ b/src/lib/models/Event.ts
@@ -81,7 +81,7 @@ export class Event extends Model<Event> {
      * @param userId
      * @param request
      */
-    public async deletable({userId}: {userId: number}, request: any): Promise<boolean> {
+    public async deletable({userId}: { userId: number }, request: any): Promise<boolean> {
         userId = userId ?? request.session.userId;
         if (userId) {
             const group = await this.$get<Group>("rGroup") as Group;
diff --git a/src/lib/models/Group.ts b/src/lib/models/Group.ts
index b2b5bf9..4184e34 100644
--- a/src/lib/models/Group.ts
+++ b/src/lib/models/Group.ts
@@ -150,7 +150,7 @@ export class Group extends Model<Group> {
      * @param userId
      * @param request
      */
-    public async deletable({userId}: {userId?: number}, request: any): Promise<boolean> {
+    public async deletable({userId}: { userId?: number }, request: any): Promise<boolean> {
         userId = userId ?? request.session.userId;
         if (userId) {
             return this.creatorId === userId;
diff --git a/src/lib/models/Post.ts b/src/lib/models/Post.ts
index b96b88b..fad5013 100644
--- a/src/lib/models/Post.ts
+++ b/src/lib/models/Post.ts
@@ -1,6 +1,5 @@
 import * as sqz from "sequelize";
 import {BelongsTo, BelongsToMany, Column, CreatedAt, ForeignKey, Model, NotNull, Table} from "sequelize-typescript";
-import globals from "../globals";
 import markdown from "../markdown";
 import {Activity} from "./Activity";
 import {PostVote, VoteType} from "./PostVote";
diff --git a/src/routes/UploadRoute.ts b/src/routes/UploadRoute.ts
index 18784e1..6f8b10a 100644
--- a/src/routes/UploadRoute.ts
+++ b/src/routes/UploadRoute.ts
@@ -5,7 +5,6 @@ import {Router} from "express";
 import * as fileUpload from "express-fileupload";
 import {UploadedFile} from "express-fileupload";
 import * as fsx from "fs-extra";
-import {IncomingMessage} from "http";
 import * as status from "http-status";
 import * as path from "path";
 import * as sharp from "sharp";