Commit inicial

Habia trabajado un buen poco pero como vi que tenia que separar los
repositorios perdi bastante la historia :c

users/views.py

@@ -0,0 +1,102 @@
+from django.http import HttpResponseRedirect, HttpResponseNotAllowed
+from django.shortcuts import render
+from django.utils.http import url_has_allowed_host_and_scheme
+from django.contrib.auth import authenticate, login as auth_login, logout as auth_logout, get_user_model
+
+
+def get_next_url(request):
+    next_url = request.POST.get('next', request.GET.get('next', ''))
+
+    url_is_safe = url_has_allowed_host_and_scheme(
+        url=next_url,
+        allowed_hosts=request.get_host(),
+        require_https=request.is_secure(),
+    )
+
+    print(next_url if url_is_safe else '/')
+    return next_url if url_is_safe else '/'
+
+
+def login(request):
+    if request.method == 'GET':
+        return _login_get(request)
+    elif request.method == 'POST':
+        return _login_post(request)
+    else:
+        return HttpResponseNotAllowed(permitted_methods=['GET', 'POST'])
+
+
+def _login_get(request):
+    return render(request, template_name='users/login.html', context={'next': get_next_url(request)})
+
+
+def _login_post(request):
+    username = request.POST.get('username', '')
+    password = request.POST.get('password', '')
+
+    user = authenticate(request, username=username, password=password)
+
+    if user is not None:
+        auth_login(request, user)
+        return HttpResponseRedirect(get_next_url(request))
+    else:
+        return render(
+            request,
+            template_name='users/login.html',
+            context={'next': get_next_url(request), 'error': 'Usuario o contraseña son incorrectos'}
+        )
+
+
+def logout(request):
+    auth_logout(request)
+    return HttpResponseRedirect(get_next_url(request))
+
+
+def register(request):
+    if request.method == 'GET':
+        return _register_get(request)
+    elif request.method == 'POST':
+        return _register_post(request)
+    else:
+        return HttpResponseNotAllowed(permitted_methods=['GET', 'POST'])
+
+
+def _register_get(request):
+    return render(request, template_name='users/register.html', context={'next': get_next_url(request)})
+
+
+def _register_post(request):
+    username = request.POST.get('username', '')
+    password = request.POST.get('password', '')
+    password_confirm = request.POST.get('password_confirm', '')
+    email = request.POST.get('email', '')
+
+    old = {
+        'username': username,
+        'email': email
+    }
+
+    if not username:
+        return render(
+            request,
+            template_name='users/register.html',
+            context={'next': get_next_url(request), 'error': 'Debe ingresar un nombre de usuario', 'old': old}
+        )
+
+    if get_user_model().objects.filter(username=username).count() > 0:
+        return render(
+            request,
+            template_name='users/register.html',
+            context={'next': get_next_url(request), 'error': 'El nombre de usuario esta en uso', 'old': old}
+        )
+
+    if password and password != password_confirm:
+        return render(
+            request,
+            template_name='users/register.html',
+            context={'next': get_next_url(request), 'error': 'Las contraseñas no coinciden', 'old': old}
+        )
+
+    user = get_user_model().objects.create_user(username, email, password)
+    auth_login(request, user)
+    return HttpResponseRedirect(get_next_url(request))