Cleanup code and http 404 for not found

- Add 404 status code return for all not found errors

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[],
-    ) {}
+    ) {
+    }
 }

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";

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[],
-    ) {}
+    ) {
+    }
 }

src/graphql/Token.ts

@@ -5,5 +5,6 @@ export class Token {
     constructor(
         public value: string,
         public expires: string,
-    ) {}
+    ) {
+    }
 }

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 *
+                     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 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});
     }
 

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.`);
     }

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(", ")}`);
     }

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.`);
     }

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!`);
     }

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(", ")}'`);

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}'`);

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}'`);
     }
-
 }

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!`);
     }

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.'`);

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!`);
     }

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.");
-    }
-}

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

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";

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";