user settings

src/app/pages/settings/settings.page.ts

@@ -26,15 +26,20 @@ export class PageSettings implements OnInit {
       username: [ { disabled: true }, Validators.nullValidator ],
       email: [ '', Validators.nullValidator ],
       about: [ '', Validators.nullValidator ],
+      gravity: [ '', Validators.nullValidator ],
     });
 
     this.form.get('username').disable();
 
     this.userService.get().subscribe(user => {
       this.user = user;
+      if (!this.user.settings) {
+        this.user.settings = {};
+      }
       this.form.get('username').setValue(this.user.username);
       this.form.get('email').setValue(this.user.email);
       this.form.get('about').setValue(this.user.about);
+      this.form.get('gravity').setValue(this.user.settings.gravity || this.user.metadata.defaultGravity);
     })
   }
 
@@ -42,6 +47,11 @@ export class PageSettings implements OnInit {
     return this.form.controls[ controlName ].errors != null;
   }
 
+  resetGravity(): void {
+    this.user.settings.gravity = null;
+    this.form.get('gravity').setValue(this.user.metadata.defaultGravity);
+  }
+
   save(): void {
     if (this.working) {
       return;
@@ -53,8 +63,21 @@ export class PageSettings implements OnInit {
     this.user.about = this.form.get('about').value;
     this.user.email = this.form.get('email').value;
 
+    if (!this.user.settings) {
+      this.user.settings = {};
+    }
+
+    if (this.form.get('gravity').value != this.user.metadata.defaultGravity && !this.user.settings.gravity) {
+      this.user.settings.gravity = this.form.get('gravity').value;
+    } else if (this.user.settings.gravity) {
+      this.user.settings.gravity = this.form.get('gravity').value;
+    }
+
     this.userService.update(this.user).subscribe((data) => {
       this.user = data;
+      if (!this.user.settings) {
+        this.user.settings = {};
+      }
       this.working = false;
       this.success = true;
     }, (error) => {