Add backend module without template

app/modules/backend/__init__.py

@@ -0,0 +1,6 @@
+
+"""
+Server static pages
+"""
+
+from .app import BLUEPRINT as Backend

app/modules/backend/app.py

@@ -0,0 +1,110 @@
+
+"""
+Backend
+"""
+
+from flask_login import login_required, login_user, logout_user
+from flask_menu import Menu, register_menu
+from flask import render_template, request, redirect, url_for, flash, Blueprint, abort
+from jinja2 import TemplateNotFound
+from app import app, login_manager, db
+from app.models import User
+
+
+BLUEPRINT = Blueprint(
+    'backend',
+    __name__,
+    template_folder='templates'
+)
+
+@BLUEPRINT.route("/login", methods=["GET", "POST"])
+def login():
+    """Handle login page and data"""
+    if request.method == 'POST':
+        email = request.form['email']
+        password = request.form['password']
+        user = User.query.filter(User.email == email).first()
+        if user is not None:
+            if user.check_password(password):
+                login_user(user, remember=True)
+                flash('You were successfully logged in.', 'success')
+                if request.args.get("next") is not None:
+                    return redirect(request.args.get("next"))
+                return redirect(url_for('index'))
+            else:
+                flash('Incorrect password.', 'danger')
+        else:
+            flash('User not found.', 'danger')
+
+        return redirect(url_for('login'))
+    else:
+        return render_template('user/login.j2')
+
+
+@BLUEPRINT.route("/register", methods=["POST"])
+def register():
+    """Register a new user"""
+    if request.method != "POST":
+        return redirect(url_for('login'))
+
+    if "name" not in request.form or not request.form['name']:
+        flash('Fill in the name.', 'warning')
+        return render_template('user/login.j2')
+
+    if "email" not in request.form or not request.form['email']:
+        flash('Fill in the email.', 'warning')
+        return render_template('user/login.j2', name=request.form['name'])
+
+    if "password" not in request.form or not request.form['password']:
+        flash('Fill in the password.', 'warning')
+        return render_template(
+            'user/login.j2',
+            name=request.form['name'],
+            email=request.form['email']
+        )
+
+    user = User.query.filter(User.name == request.form['name']).first()
+    if user is None:
+        flash('Name not found.', 'warning')
+        return render_template(
+            'user/login.j2',
+            name=request.form['name'],
+            email=request.form['email']
+        )
+
+    if user.email is not None:
+        flash('User already taken.', 'warning')
+        return render_template(
+            'user/login.j2',
+            name=request.form['name'],
+            email=request.form['email']
+        )
+
+    user.email = request.form['email']
+    user.password = request.form['password']
+
+    db.session.commit()
+    login_user(user, remember=True)
+    flash('Succesfully registered account "%s".' % (user.name), 'success')
+
+    if request.args.get("next") is not None:
+        return redirect(request.args.get("next"))
+    else:
+        return redirect(url_for('index'))
+
+
+@BLUEPRINT.route("/logout")
+@login_required
+def logout():
+    """Logout function for users"""
+    logout_user()
+    flash('succesfully logged out.', 'success')
+    return redirect(url_for('login'))
+
+
+@BLUEPRINT.route('/')
+@register_menu(BLUEPRINT, '.', 'Home')
+def index():
+    """Show homepage"""
+
+    return render_template('site/index.j2')