Add function to change user email

app/auth/forms.py

 from flask_wtf import FlaskForm
-from wtforms import StringField, PasswordField, BooleanField, SubmitField, ValidationError
+from wtforms import StringField, PasswordField, BooleanField, SubmitField, ValidationError, TextAreaField
 from wtforms.validators import DataRequired, Length, Email, Regexp, EqualTo
 from ..models import User
 
@@ -76,3 +76,18 @@ class ChangePasswordForm(FlaskForm):
         ]
     )
     submit = SubmitField('Update Password')
+
+
+class EditProfileForm(FlaskForm):
+    email = StringField('Change Email', validators=[Length(0, 64),
+                                                    DataRequired()])
+    submit = SubmitField('Change Email')
+
+    def __init__(self, user, *args, **kwargs):
+        super(EditProfileForm, self).__init__(*args, **kwargs)
+        self.user = user
+
+    def validate_email(self, field):
+        if field.data != self.user.email and \
+                User.query.filter_by(email=field.data).first():
+            raise ValidationError('Email already registered!')

app/auth/views.py

@@ -2,7 +2,7 @@ from flask import flash, redirect, render_template, request, url_for
 from flask_login import current_user, login_required, login_user, logout_user
 from . import auth
 from .. import db
-from .forms import ChangePasswordForm, LoginForm, PasswordResetForm, PasswordResetRequestForm, RegistrationForm
+from .forms import ChangePasswordForm, LoginForm, PasswordResetForm, PasswordResetRequestForm, RegistrationForm, EditProfileForm
 from ..email import send_email
 from ..models import User
 
@@ -131,9 +131,9 @@ def password_reset(token):
                            title='Password Reset')
 
 
-@auth.route('/settings', methods=['GET', 'POST'])
+@auth.route('/edit_profile', methods=['GET', 'POST'])
 @login_required
-def settings():
+def edit_profile():
     """
     View where loged in User can change own User information like Password etc.
     """
@@ -144,11 +144,19 @@ def settings():
             db.session.add(current_user)
             db.session.commit()
             flash('Your password has been updated.')
-            return redirect(url_for('auth.settings'))
+            return redirect(url_for('auth.edit_profile'))
         else:
             flash('Invalid password.')
+    change_profile_form = EditProfileForm(user=current_user)
+    if change_profile_form.validate_on_submit():
+        current_user.email = change_profile_form.email.data
+        db.session.add(current_user._get_current_object())
+        db.session.commit()
+        flash('Your email has been updated.')
+    change_profile_form.email.data = current_user.email
     return render_template(
-        'auth/settings.html.j2',
-        form=change_password_form,
-        title='Settings'
+        'auth/edit_profile.html.j2',
+        change_password_form=change_password_form,
+        change_profile_form=change_profile_form,
+        title='Edit Profile'
     )

app/models.py

@@ -216,6 +216,7 @@ class User(UserMixin, db.Model):
             jobs[str(job.id)] = job.to_dict()
         return jobs
 
+
 class AnonymousUser(AnonymousUserMixin):
     """
     Model replaces the default AnonymousUser.

app/templates/admin/admin_user_page.html.j2

@@ -58,7 +58,7 @@
       <span class="card-title">Administration actions</span>
       <!-- Confirm deletion of selected user with modal dialogue
     Modal Trigger-->
-      <a href="#modal-confirm-delete" class="waves-effect waves-light btn modal-trigger"><i class="material-icons left">delete</i>Delete User</a>
+      <a href="#modal-confirm-delete" class="waves-effect waves-light btn red modal-trigger"><i class="material-icons left">delete</i>Delete User</a>
       <!-- Modal Strucutre -->
       <div id="modal-confirm-delete" class="modal">
         <div class="modal-content">

app/templates/auth/settings.html.j2 → app/templates/auth/edit_profile.html.j2

@@ -10,34 +10,58 @@
   <div class="card">
     <form method="POST">
       <div class="card-content">
-        {{ form.hidden_tag() }}
+        {{ change_password_form.hidden_tag() }}
         <div class="input-field ">
           <i class="material-icons prefix">vpn_key</i>
-          {{ form.old_password() }}
-          {{ form.old_password.label }}
-          {% for error in form.old_password.errors %}
+          {{ change_password_form.old_password() }}
+          {{ change_password_form.old_password.label }}
+          {% for error in change_password_form.old_password.errors %}
             <span class="helper-text red-text">{{ error }}</span>
           {% endfor %}
         </div>
         <div class="input-field">
           <i class="material-icons prefix">vpn_key</i>
-          {{ form.new_password() }}
-          {{ form.new_password.label }}
-          {% for error in form.new_password.errors %}
+          {{ change_password_form.new_password() }}
+          {{ change_password_form.new_password.label }}
+          {% for error in change_password_form.new_password.errors %}
             <span class="helper-text red-text">{{ error }}</span>
           {% endfor %}
         </div>
         <div class="input-field">
           <i class="material-icons prefix">vpn_key</i>
-          {{ form.new_password2() }}
-          {{ form.new_password2.label }}
-          {% for error in form.new_password2.errors %}
+          {{ change_password_form.new_password2() }}
+          {{ change_password_form.new_password2.label }}
+          {% for error in change_password_form.new_password2.errors %}
             <span class="helper-text red-text">{{ error }}</span>
           {% endfor %}
         </div>
       </div>
       <div class="card-action right-align">
-        {{ form.submit(class='btn') }}
+        {{ change_password_form.submit(class='btn') }}
+      </div>
+    </form>
+  </div>
+</div>
+<div class="col s12 m4">
+  <h3>Change email</h3>
+  <p>Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren,</p>
+</div>
+<div class="col s12 m8">
+  <div class="card">
+    <form method="POST">
+      <div class="card-content">
+        {{ change_profile_form.hidden_tag() }}
+        <div class="input-field ">
+          <i class="material-icons prefix">mail</i>
+          {{ change_profile_form.email() }}
+          {{ change_profile_form.email.label }}
+          {% for error in change_profile_form.email.errors %}
+            <span class="helper-text red-text">{{ error }}</span>
+          {% endfor %}
+        </div>
+      </div>
+      <div class="card-action right-align">
+        {{ change_profile_form.submit(class='btn') }}
       </div>
     </form>
   </div>

app/templates/base.html.j2

@@ -72,7 +72,7 @@
       </div>
       <ul id="nav-account-dropdown" class="dropdown-content">
         {% if current_user.is_authenticated %}
-        <li><a href="{{ url_for('auth.settings') }}"><i class="material-icons">settings</i>Settings</a></li>
+        <li><a href="{{ url_for('auth.edit_profile') }}"><i class="material-icons">edit_profile</i>Edit Profile</a></li>
         <li><a href="{{ url_for('auth.logout') }}"><i class="material-icons">chevron_left</i>Log out</a></li>
         {% else %}
         <li><a href="{{ url_for('auth.login') }}"><i class="material-icons">chevron_right</i>Log in</a></li>