flashed messages added

app/templates/layout.html

@@ -39,6 +39,21 @@
 
     	<div class="container">
 		{% block content %} {% endblock %}
+		
+		<div class="col-md-6 col-md-offset-3">
+		{% with messages = get_flashed_messages(with_categories=true) %}
+			{% if messages %}
+				{% for category, message in messages %}
+					<div class="alert alert-{{ category }} alert-dismissiblei" role="alert">
+						<button type="button" class="close" data-dismiss="alert" aria-label="Close">
+							<span aria-hidden="true">&times;</span>
+						</button>
+						{{ message }}
+					</div>
+				{% endfor %}
+			{% endif %}
+		{% endwith %}
+		</div>
     	</div><!-- /.container -->
 
 	<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js"></script>

app/views.py

 from app import app
 
-from flask import render_template, request, redirect, url_for, session, send_from_directory
+from flask import render_template, request, redirect, url_for, session, send_from_directory, flash
 import psycopg2
 
 import app.dao.user.user as ud
@@ -41,13 +41,18 @@ def signup():
         if (username == '' or password == ''):
             feedback = 'Username or password fields cannot be empty'
             return render_template('public/signup.html', feedback=feedback)
+        elif (len(password) < 8):
+            flash('Password length must be at least 8 characters.', 'danger')
+            return redirect(request.url)
         else:
             res = ud.create(username, password)
             if (not res[0]):
-                return render_template('public/signup.html', feedback=res[1])
+                flash('Error: {}'.format(res[1]), 'danger')
+                return redirect(request.url)
             else:
                 session['name'] = username
                 
+                flash('User successfully created.', 'success')
                 return redirect(url_for('index'))
 
 
@@ -61,12 +66,13 @@ def login():
         password = request.form['password'].encode('utf-8')
 
         if (username == '' or password == ''):
-            feedback = 'Username or password fields cannot be empty'
-            return render_template('public/login.html', feedback=feedback)
+            flash('Username or password fields cannot be empty', 'danger')
+            return redirect(request.url)
         else:
             res = ud.get(username, password)
             if (not res[0]):
-                return render_template('public/login.html', feedback=msg[1])
+                flash('Error: {}'.format(res[1]), 'danger')
+                return redirect(request.url)
             else:
                 session['name'] = username
         

config.py

@@ -11,6 +11,7 @@ class Config(object):
     DB_PORT = 5432
 
     SESSION_COOKIE_SECURE = True
+    REMEMBER_COOKIE_SECURE = True
 
     APPKEY_LENGTH = 8
     DATA_DOWNLOAD_DIR = 'data'
@@ -22,9 +23,11 @@ class DevelopmentConfig(Config):
     DEBUG = True
 
     SESSION_COOKIE_SECURE = False
+    REMEMBER_COOKIE_SECURE = False
     
 
 class TestingConfig(Config):
     TESTING = True
     
     SESSION_COOKIE_SECURE = False
+    REMEMBER_COOKIE_SECURE = False