108536366: Implement register flow

Includes validation for gov.uk email address, mobile number with +44, password at least 10 char.
Form validation errors will be added to template in a later story.
User is created when form validates.

app/main/__init__.py

@@ -3,4 +3,4 @@ from flask import Blueprint
 main = Blueprint('main', __name__)
 
 
-from app.main.views import index, sign_in
+from app.main.views import index, sign_in, register

app/main/encryption.py

@@ -6,4 +6,5 @@ def hashpw(password):
 
 
 def checkpw(password, hashed_password):
+    # If salt is invalid throws a 500 should add try/catch here
     return check_password_hash(hashed_password, password)

app/main/forms.py

@@ -1,6 +1,6 @@
 from flask_wtf import Form
 from wtforms import StringField, PasswordField
-from wtforms.validators import DataRequired, Email, Length
+from wtforms.validators import DataRequired, Email, Length, Regexp
 
 
 class LoginForm(Form):
@@ -12,3 +12,24 @@ class LoginForm(Form):
     password = PasswordField('Password', validators=[
         DataRequired(message='Please enter your password')
     ])
+
+
+gov_uk_email = "(^[^@^\\s]+@[^@^\\.^\\s]+(\\.[^@^\\.^\\s]*)*.gov.uk)"
+mobile_number = "^\\+44[\\d]{10}$"
+
+
+class RegisterUserForm(Form):
+    name = StringField('Name',
+                       validators=[DataRequired(message='Name can not be empty')])
+    email_address = StringField('Email address', validators=[
+        Length(min=5, max=255),
+        DataRequired(message='Email cannot be empty'),
+        Email(message='Please enter a valid email address'),
+        Regexp(regex=gov_uk_email, message='Please enter a gov.uk email address')
+    ])
+    mobile_number = StringField('Mobile phone number',
+                                validators=[DataRequired(message='Please enter your mobile number'),
+                                            Regexp(regex=mobile_number, message='Please enter a +44 mobile number')])
+    password = PasswordField('Password',
+                             validators=[DataRequired(message='Please enter your password'),
+                                         Length(10, 255, message='Password must be at least 10 characters')])

app/main/views/index.py

@@ -14,11 +14,6 @@ def govuk():
     return render_template('govuk_template.html')
 
 
-@main.route("/register")
-def register():
-    return render_template('register.html')
-
-
 @main.route("/register-from-invite")
 @login_required
 def registerfrominvite():

app/main/views/register.py

@@ -0,0 +1,33 @@
+from datetime import datetime
+
+from flask import render_template, redirect, jsonify
+
+from app.main import main
+from app.main.dao import users_dao
+from app.main.forms import RegisterUserForm
+from app.models import User
+
+
+@main.route("/register", methods=['GET'])
+def render_register():
+    return render_template('register.html', form=RegisterUserForm())
+
+
+@main.route('/register', methods=['POST'])
+def process_register():
+    form = RegisterUserForm()
+
+    if form.validate_on_submit():
+        user = User(name=form.name.data,
+                    email_address=form.email_address.data,
+                    mobile_number=form.mobile_number.data,
+                    password=form.password.data,
+                    created_at=datetime.now(),
+                    role_id=1)
+        try:
+            users_dao.insert_user(user)
+            return redirect('/two-factor')
+        except Exception as e:
+            return jsonify(database_error=e.message), 400
+    else:
+        return jsonify(form.errors), 400