Add level configuration and query

- Add query getLevels to get all possible levels
- Add mutation createLevel as a way for admins to create new levels
- Remove column levelNumber and replace it with method that looks up the number of the level by counting

src/lib/UploadManager.ts

@@ -98,7 +98,7 @@ export class UploadManager {
      * @param extension
      */
     public async processAndStoreVideo(data: Buffer, extension: string): Promise<Media> {
-        const fileBasename = UploadManager.getCrypticFileName() + extension;
+        const fileBasename = UploadManager.getCrypticFileName() + "." + extension;
         await fsx.ensureDir(this.dataDir);
         const filePath = path.join(this.dataDir, fileBasename);
         await fsx.writeFile(filePath, data);

src/lib/errors/LevelAlreadyExistsError.ts

@@ -0,0 +1,10 @@
+import {BaseError} from "./BaseError";
+
+/**
+ * An error that is thrown when the level already exists
+ */
+export class LevelAlreadyExistsError extends BaseError {
+    constructor(property: string) {
+        super(`A level with the property value '${property}' already exists`);
+    }
+}

src/lib/models/Level.ts

@@ -16,18 +16,17 @@ export class Level extends Model<Level> {
     public name: string;
 
     /**
-     * The number of the level
+     * The required points for the level
      */
     @NotNull
     @Unique
     @Column({allowNull: false, unique: true})
-    public levelNumber: number;
+    public points: number;
 
     /**
-     * The required points for the level
+     * Returns the number of the level as the number of the database entry
      */
-    @NotNull
-    @Unique
-    @Column({allowNull: false, unique: true})
-    public points: number;
+    public async levelNumber(): Promise<number> {
+        return Level.count({where: {points: {[sqz.Op.lte]: this.points}}});
+    }
 }

src/lib/models/User.ts

@@ -44,7 +44,7 @@ export class User extends Model<User> {
      */
     @BeforeUpdate
     public static async assignLevel(instance: User) {
-        const level = await Level.findOne({where: {points: {[sqz.Op.lte]: instance.rankpoints}}, order: [["levelNumber", "desc"]]}) as Level;
+        const level = await Level.findOne({where: {points: {[sqz.Op.lte]: instance.rankpoints}}, order: [["points", "desc"]]}) as Level;
         if (level) {
             instance.$set("rLevel", level);
         }

src/routes/graphql/MutationResolver.ts

@@ -1,11 +1,13 @@
 import {GraphQLError} from "graphql";
 import * as yaml from "js-yaml";
+import sequelize from "sequelize";
 import isEmail from "validator/lib/isEmail";
 import dataAccess from "../../lib/dataAccess";
 import {BlacklistedError} from "../../lib/errors/BlacklistedError";
 import {GroupNotFoundError} from "../../lib/errors/GroupNotFoundError";
 import {HandleInUseError} from "../../lib/errors/HandleInUseError";
 import {InvalidEmailError} from "../../lib/errors/InvalidEmailError";
+import {LevelAlreadyExistsError} from "../../lib/errors/LevelAlreadyExistsError";
 import {NotAGroupAdminError} from "../../lib/errors/NotAGroupAdminError";
 import {NotAnAdminError} from "../../lib/errors/NotAnAdminError";
 import {NotTheGroupCreatorError} from "../../lib/errors/NotTheGroupCreatorError";
@@ -15,7 +17,18 @@ import {ReportReasonNameAlreadyExistsError} from "../../lib/errors/ReportReasonN
 import {ReportReasonNotFoundError} from "../../lib/errors/ReportReasonNotFoundError";
 import globals from "../../lib/globals";
 import {InternalEvents} from "../../lib/InternalEvents";
-import {Activity, BlacklistedPhrase, ChatMessage, ChatRoom, Event, Group, Post, Request, User} from "../../lib/models";
+import {
+    Activity,
+    BlacklistedPhrase,
+    ChatMessage,
+    ChatRoom,
+    Event,
+    Group,
+    Level,
+    Post,
+    Request,
+    User,
+} from "../../lib/models";
 import {Report} from "../../lib/models";
 import {ReportReason} from "../../lib/models";
 import {UploadManager} from "../../lib/UploadManager";
@@ -147,6 +160,8 @@ export class MutationResolver extends BaseResolver {
             await user.save();
             return user.settings;
         } catch (err) {
+            globals.logger.warning(err.message);
+            globals.logger.debug(err.stack);
             throw new GraphQLError("Invalid settings json.");
         }
     }
@@ -557,4 +572,26 @@ export class MutationResolver extends BaseResolver {
         }
         return ReportReason.create({name, description});
     }
+
+    /**
+     * Creates a new level
+     * @param name
+     * @param levelNumber
+     * @param requiredPoints
+     * @param request
+     */
+    public async createLevel({name, requiredPoints}: {name: string, requiredPoints: number}, request: any):
+        Promise<Level> {
+        this.ensureLoggedIn(request);
+        const user = await User.findByPk(request.session.userId);
+        if (!user.isAdmin) {
+            throw new NotAnAdminError();
+        }
+        const existingLevel = await Level.findOne({where: {[sequelize.Op.or]: [{name}, {points: requiredPoints}]}});
+        if (existingLevel) {
+            throw new LevelAlreadyExistsError(
+                existingLevel.name === name ? "name" : "points");
+        }
+        return Level.create({name, points: requiredPoints});
+    }
 }

src/routes/graphql/QueryResolver.ts

@@ -7,7 +7,18 @@ import {GroupNotFoundError} from "../../lib/errors/GroupNotFoundError";
 import {NotAnAdminError} from "../../lib/errors/NotAnAdminError";
 import {RequestNotFoundError} from "../../lib/errors/RequestNotFoundError";
 import {UserNotFoundError} from "../../lib/errors/UserNotFoundError";
-import {Activity, BlacklistedPhrase, ChatRoom, Event, Group, Post, Report, Request, User} from "../../lib/models";
+import {
+    Activity,
+    BlacklistedPhrase,
+    ChatRoom,
+    Event,
+    Group,
+    Level,
+    Post,
+    Report,
+    Request,
+    User
+} from "../../lib/models";
 import {BlacklistedResult} from "./BlacklistedResult";
 import {MutationResolver} from "./MutationResolver";
 import {SearchResult} from "./SearchResult";
@@ -198,6 +209,15 @@ export class QueryResolver extends MutationResolver {
         if (!user?.isAdmin) {
             throw new NotAnAdminError();
         }
-        return Report.findAll({limit: first, offset});
+        return Report.findAll({limit: first, offset, order: [["id", "DESC"]]});
+    }
+
+    /**
+     * Returns the levels that are configured
+     * @param first
+     * @param offset
+     */
+    public async getLevels({first, offset}: {first: number, offset: number}): Promise<Level[]> {
+        return Level.findAll({limit: first, offset, order: [["points", "ASC"]]});
     }
 }

src/routes/graphql/schema.graphql

@@ -48,6 +48,9 @@ type Query {
 
     "Returns all issued reports with pagination"
     getReports(first: Int = 20, offset: Int = 0): [Report!]! @complexity(value: 1, multipliers: ["first"])
+
+    "Returns the levels configured in the backend"
+    getLevels(first: Int =20, offset: Int = 0): [Level!]! @complexity(value: 1, multipliers: ["first"])
 }
 
 type Mutation {
@@ -143,6 +146,9 @@ type Mutation {
 
     "Creates a new report reason"
     createReportReason(name: String!, description: String!): ReportReason
+
+    "Creates a new level"
+    createLevel(name: String!, requiredPoints: Int!): Level!
 }
 
 interface UserData {
@@ -574,11 +580,17 @@ type ReportReason {
 "A level of a user"
 type Level {
 
+    "The level id"
+    id: ID!
+
     "The name of the level"
     name: String!
 
     "The number of the level in the ranking"
-    levelNumber: String!
+    levelNumber: Int!
+
+    "The points required for this level"
+    points: Int!
 }
 
 "represents the type of media"