Settings addition to user profile

- closes #50
- added the getSelf.settings field to get the user settings
- added the setUserSettings mutation to set the settings for the user

src/graphql/resolvers.ts

@@ -6,6 +6,7 @@ import globals from "../lib/globals";
 import {InternalEvents} from "../lib/InternalEvents";
 import * as models from "../lib/models";
 import {is} from "../lib/regex";
+import * as yaml from "js-yaml";
 
 /**
  * Returns the resolvers for the graphql api.
@@ -121,6 +122,22 @@ export function resolver(req: any, res: any): any {
                 return new GraphQLError("No username, email or password given.");
             }
         },
+        async setUserSettings({settings}: {settings: string}) {
+            if (req.session.userId) {
+                const user = await models.User.findByPk(req.session.userId);
+                try {
+                    user.frontendSettings = yaml.safeLoad(settings);
+                    await user.save();
+                    return user.settings;
+                } catch (err) {
+                    res.status(400);
+                    return new GraphQLError("Invalid settings json.");
+                }
+            } else {
+                res.status(status.UNAUTHORIZED);
+                return new NotLoggedInGqlError();
+            }
+        },
         async vote({postId, type}: { postId: number, type: dataaccess.VoteType }) {
             if (postId && type) {
                 if (req.session.userId) {

src/graphql/schema.graphql

@@ -37,6 +37,9 @@ type Mutation {
     "Registers the user."
     register(username: String, email: String, passwordHash: String): Profile
 
+    "Sets the user settings to the specified settings string. The settings parameter should be a valid yaml."
+    setUserSettings(settings: String!): String!
+
     "Logout of the user."
     logout: Boolean
 
@@ -247,6 +250,9 @@ type Profile implements UserData {
 
     "the levels of the user depending on the points"
     level: Int!
+
+    "the custom settings for the frontend"
+    settings: String!
 }
 
 "represents a single user post"

src/lib/models/User.ts

@@ -49,6 +49,10 @@ export class User extends Model<User> {
     @Column({defaultValue: 0, allowNull: false})
     public rankpoints: number;
 
+    @NotNull
+    @Column({defaultValue: {}, allowNull: false, type: sqz.JSON})
+    public frontendSettings: any;
+
     @BelongsToMany(() => User, () => Friendship, "userId")
     public rFriends: User[];
 
@@ -119,6 +123,13 @@ export class User extends Model<User> {
         return Math.ceil(this.rankpoints / 100);
     }
 
+    /**
+     * returns the settings of the user as a jston string
+     */
+    public get settings(): string {
+        return JSON.stringify(this.getDataValue("frontendSettings"));
+    }
+
     /**
      * All friends of the user
      * @param first