From 0f7b401a163f5281b40787eb96319f9bb4ba1dee Mon Sep 17 00:00:00 2001
From: "Tomas \"Jethro\" Pokorny" <xtompok@gmail.com>
Date: Sun, 1 Sep 2019 22:59:05 +0200
Subject: [PATCH] Prihlaseni a odhlaseni uzivatele

---
 seminar/forms.py                         | 28 +++++++++++++++---
 seminar/templates/seminar/login.html     | 33 ++++++++++++++++++++++
 seminar/templates/seminar/prihlaska.html | 18 ++++++++++--
 seminar/urls.py                          |  7 +++--
 seminar/views.py                         | 36 ++++++++++++++++++++++--
 5 files changed, 110 insertions(+), 12 deletions(-)
 create mode 100644 seminar/templates/seminar/login.html

diff --git a/seminar/forms.py b/seminar/forms.py
index 4455515e..830203a2 100644
--- a/seminar/forms.py
+++ b/seminar/forms.py
@@ -5,17 +5,35 @@ from .models import Skola, Resitel
 
 from datetime import date
 
-
+class LoginForm(forms.Form):
+	username = forms.CharField(label='Přihlašovací jméno', 
+			max_length=256, 
+			required=True)
+	password = forms.CharField(
+			label='Heslo',
+			max_length=256,
+			required=True,
+			widget=forms.PasswordInput())
 
 
 class PrihlaskaForm(forms.Form):
-	jmeno = forms.CharField(label='Jméno', max_length=256, required=True)
-	prijmeni = forms.CharField(label='Příjmení', max_length=256, required=True)
 	username = forms.CharField(label='Přihlašovací jméno', 
 			max_length=256, 
 			required=True,
 			help_text='Tímto jménem se následně budeš přihlašovat pro odevzdání řešení a další činnosti v semináři')
-	# TODO heslo?
+	password = forms.CharField(
+			label='Heslo',
+			max_length=256,
+			required=True,
+			widget=forms.PasswordInput())
+	password_check = forms.CharField(
+			label='Ověření hesla',
+			max_length=256,
+			required=True,
+			widget=forms.PasswordInput())
+
+	jmeno = forms.CharField(label='Jméno', max_length=256, required=True)
+	prijmeni = forms.CharField(label='Příjmení', max_length=256, required=True)
 	pohlavi_muz = forms.ChoiceField(label='Pohlaví',
 			choices = ((True,'muž'),(False,'žena')), required=True)
 	email = forms.EmailField(label='E-mail',max_length=256, required=True)
@@ -56,6 +74,8 @@ class PrihlaskaForm(forms.Form):
 	def clean(self):
 		super().clean()
 		data = self.cleaned_data
+		if data.get('password') != data.get('password_check'):
+			self.add_error('password_check',forms.ValidationError('Hesla se neshodují'))
 		if data.get('stat') != '' and data.get('stat_text') != '':
 			self.add_error('stat',forms.ValidationError('Nelze mít vybraný stát z menu a zároven zapsaný textem'))
 		if data.get('skola') and (data.get('skola_nazev') or data.get('skola_adresa')):
diff --git a/seminar/templates/seminar/login.html b/seminar/templates/seminar/login.html
new file mode 100644
index 00000000..dbed7a17
--- /dev/null
+++ b/seminar/templates/seminar/login.html
@@ -0,0 +1,33 @@
+{% extends "seminar/zadani/base.html" %}
+{% load staticfiles %}
+
+
+{% block content %}
+<h1>
+  {% block nadpis1a %}{% block nadpis1b %}
+    Přihlášení
+  {% endblock %}{% endblock %}
+</h1>
+{% if login_error %} 
+<span class="field_error">{{login_error}}<span>
+{% endif %}
+<form action="/login/" method="post">
+  {% csrf_token %}
+  {{form.non_field_errors}}
+  <ul class="form">
+     <li>
+       {% include "seminar/prihlaska_field.html" with field=form.username %}
+     </li>
+     <li>
+       {% include "seminar/prihlaska_field.html" with field=form.password %}
+     </li>
+</ul>
+    <input type="submit" value="Přihlásit">
+</form>
+
+<a href="/reset_password">Zapomněl jsem heslo</a><br>
+<a href="/prihlaska">Zaregistrovat</a><br>
+
+
+{% endblock %}
+
diff --git a/seminar/templates/seminar/prihlaska.html b/seminar/templates/seminar/prihlaska.html
index d15c04d0..c77bd4fc 100644
--- a/seminar/templates/seminar/prihlaska.html
+++ b/seminar/templates/seminar/prihlaska.html
@@ -20,13 +20,25 @@
   {{form.non_field_errors}}
   <ul class="form">
      <li>
-       {% include "seminar/prihlaska_field.html" with field=form.jmeno %}
+     Přihlašovací údaje
      </li>
      <li>
-       {% include "seminar/prihlaska_field.html" with field=form.prijmeni %}
+       {% include "seminar/prihlaska_field.html" with field=form.username %}
      </li>
      <li>
-       {% include "seminar/prihlaska_field.html" with field=form.username %}
+       {% include "seminar/prihlaska_field.html" with field=form.password %}
+     </li>
+     <li>
+       {% include "seminar/prihlaska_field.html" with field=form.password_check %}
+     </li>
+     <li>
+     Osobní údaje
+     </li>
+     <li>
+       {% include "seminar/prihlaska_field.html" with field=form.jmeno %}
+     </li>
+     <li>
+       {% include "seminar/prihlaska_field.html" with field=form.prijmeni %}
      </li>
      <li>
        {% include "seminar/prihlaska_field.html" with field=form.pohlavi_muz%}
diff --git a/seminar/urls.py b/seminar/urls.py
index a8d4ff76..b7e39f47 100644
--- a/seminar/urls.py
+++ b/seminar/urls.py
@@ -3,6 +3,7 @@ from django.contrib.auth.decorators import user_passes_test
 from . import views, export
 from .utils import staff_member_required
 from django.views.generic.base import RedirectView
+from django.contrib.auth import views as auth_views
 
 staff_member_required = user_passes_test(lambda u: u.is_staff)
 
@@ -97,10 +98,12 @@ urlpatterns = [
 		staff_member_required(views.texUploadView),
 		name='seminar_tex_upload'
 	),
-	path('prihlaska/',views.prihlaskaView),
+	path('prihlaska/',views.prihlaskaView, name='seminar_prihlaska'),
+	path('login/', views.loginView, name='login'),
+	path('logout/', views.logoutView, name='logout'),
+	path('autocomplete/skola/',views.SkolaAutocomplete.as_view(), name='autocomplete_skola'),
 	path('', views.TitulniStranaView.as_view(), name='titulni_strana'),
 
-	path('autocomplete/skola/',views.SkolaAutocomplete.as_view(), name='autocomplete_skola')
 	# Ceka na autocomplete v3
 	# path('autocomplete/organizatori/',
 	# staff_member_required(views.OrganizatorAutocomplete.as_view()),
diff --git a/seminar/views.py b/seminar/views.py
index c7bff438..ee4dbc3a 100644
--- a/seminar/views.py
+++ b/seminar/views.py
@@ -9,7 +9,7 @@ from django.utils.translation import ugettext as _
 from django.http import Http404,HttpResponseBadRequest,HttpResponseRedirect
 from django.db.models import Q
 from django.views.decorators.csrf import ensure_csrf_cookie
-from django.contrib.auth import authenticate, login, get_user_model
+from django.contrib.auth import authenticate, login, get_user_model, logout
 from django.db import transaction
 from dal import autocomplete
 
@@ -17,7 +17,7 @@ from .models import Problem, Cislo, Reseni, Nastaveni, Rocnik, Soustredeni, Orga
 #from .models import VysledkyZaCislo, VysledkyKCisluZaRocnik, VysledkyKCisluOdjakziva
 from . import utils
 from .unicodecsv import UnicodeWriter
-from .forms import PrihlaskaForm
+from .forms import PrihlaskaForm, LoginForm
 
 from datetime import timedelta, date, datetime
 from django.utils import timezone
@@ -952,6 +952,33 @@ def texDownloadView(request, rocnik, cislo):
 	return JsonResponse(response)
 
 ## Formulare
+def loginView(request):
+	if request.method == 'POST':
+		form = LoginForm(request.POST)
+		if form.is_valid():
+			user = authenticate(request, 
+				username=form.cleaned_data['username'],
+				password=form.cleaned_data['password'])
+			print(form.cleaned_data)
+			if user is not None:
+				login(request,user)
+				return HttpResponseRedirect('/')
+			else:
+				return render(request, 
+					'seminar/login.html', 
+					{'form': form, 'login_error': 'Neplatné jméno nebo heslo'})
+
+	else:
+		form = LoginForm()
+	return render(request, 'seminar/login.html', {'form': form})
+
+def logoutView(request):
+	form = LoginForm()
+	if request.user.is_authenticated:
+		logout(request)
+		return render(request, 'seminar/login.html', {'form': form, 'login_error': 'Byli jste úspěšně odhlášeni'})
+	return render(request, 'seminar/login.html', {'form': form})
+
 
 def prihlaskaView(request):
 	logger = logging.getLogger('seminar.prihlaska')
@@ -980,7 +1007,10 @@ def prihlaskaView(request):
 				pass
 			
 			with transaction.atomic():
-				u = User(username=form.cleaned_data['username'])
+				u = User.objects.create_user(
+					username=form.cleaned_data['username'],
+					password=form.cleaned_data['password'],
+					email = form.cleaned_data['email'])
 				u.save()
 
 				o = Osoba(