[TASK] Add basic project entering/leaving support.

citavi_mapper/settings.py

@@ -12,6 +12,7 @@ https://docs.djangoproject.com/en/1.6/ref/settings/
 
 # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
 import os
+from django.conf import global_settings
 BASE_DIR = os.path.dirname(os.path.dirname(__file__))
 
 
@@ -28,6 +29,8 @@ TEMPLATE_DIRS = (
     'frontend/templates'
 )
 
+TEMPLATE_CONTEXT_PROCESSORS = global_settings.TEMPLATE_CONTEXT_PROCESSORS + ('django.core.context_processors.request',)
+
 LOGIN_URL = '/login'
 LOGOUT_URL = '/logout'
 LOGIN_REDIRECT_URL = '/'

citavi_mapper/urls.py

@@ -7,12 +7,14 @@ admin.autodiscover()
 
 from frontend.views import login_wrap, logout_wrap
 from frontend.views import IndexView, ProjectOverView, ProjectView
-
+from frontend.views import enterProject, leaveProject
 
 urlpatterns = patterns('',
     url(r'^$', IndexView.as_view(), name='frontend-index'),
     url(r'^projects/$', ProjectOverView.as_view(), name='frontend-projects'),
     url(r'^projects/(?P<project_id>\d+)/$', ProjectView.as_view(), name='frontend-project-detail'),
+    url(r'^projects/(?P<project_id>\d+)/enter/$', enterProject, name='frontend-enter-project-detail'),
+    url(r'^projects/(?P<project_id>\d+)/leave/$', leaveProject, name='frontend-leave-project-detail'),
     url(r'^login/$', login_wrap, name='frontend-login'),
     url(r'^logout/$', logout_wrap, name='frontend-logout'),
     url(r'^admin/', include(admin.site.urls)),

frontend/templates/layout/base.html

@@ -23,16 +23,18 @@
 			<div class="navbar-header">
 				<a class="navbar-brand" href="/"><img src="{% static 'images/logo.png' %}"> {{page.name}}</a>
 				<ul class="nav navbar-nav">
-					<li><a href="/">Index</a></li>
+					{% block navbar-header %}
-					<li><a href="/register">Register</a></li>
+						<li><a href="/">Index</a></li>
-					<li>
+						<li><a href="/register">Register</a></li>
-						{% if user.is_anonymous %}
+						<li>
-							<a href="/login">Login</a>
+							{% if user.is_anonymous %}
-						{% else %}
+								<a href="/login">Login</a>
-							<a href="/logout">Logout</a>
+							{% else %}
-						{% endif %}
+								<a href="/logout">Logout</a>
-					</li>
+							{% endif %}
-				</ul>    
+						</li>
+					{% endblock %}    
+				</ul>
 			</div>
 		</div>
 	</nav>

frontend/templates/project.html

@@ -2,6 +2,10 @@
 {% block head%}
 	{% load crispy_forms_tags %}
 {% endblock %}
+{% block navbar-header %}
+	{{block.super}}
+	<li><a href="{% url 'frontend-leave-project-detail' request.session.project_id %}">Leave Project</a></li>
+{% endblock %}
 {% block content %}
 	<h3>Update Project "{{project.name}}"</h3>
 	<p>{{project.description}}</p>

frontend/views.py

@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 
 
+from django.http import HttpResponse, HttpResponseRedirect
 from django.views.generic import TemplateView, FormView, CreateView, UpdateView
 from django.views.generic.detail import SingleObjectMixin
 from django.contrib.auth.decorators import login_required
@@ -19,7 +20,7 @@ def login_wrap(*args, **kwargs):
         'page': {
             'name': FRONTEND_PAGE_NAME,
             'title': 'Login'
-        }                           
+        }
     }
     return login(*args, **kwargs)
 
@@ -83,6 +84,27 @@ class ProtectedUpdateView(LoggedInMixin, MyUpdateView):
     pass
 
 
+# Helper view methods
+
+def enterProject(request, project_id=None):
+    try:
+        if request.session['project_id'] != project_id:
+            return HttpResponse("Please leave your current project - Project ID " + request.session['project_id'] + " is still active.")
+    except KeyError:
+        pass
+    request.session['project_id'] = project_id
+    return HttpResponseRedirect('/projects/' + project_id + '/')
+
+def leaveProject(request, project_id=None):
+    try:
+        if request.session['project_id'] == project_id:
+            del request.session['project_id']
+        else:
+            return HttpResponse("You tried to leave project with ID " + project_id + ", but your active project id is " + request.session['project_id'] + ".")            
+    except KeyError:
+        pass
+    return HttpResponseRedirect('/projects/')
+
 # Actual Views
 class IndexView(ProtectedTemplateView):
     template_name = 'index.html'
@@ -104,12 +126,28 @@ class ProjectOverView(ProtectedFormView):
     
 class ProjectView(ProtectedFormView, SingleObjectMixin):
     template_name = 'project.html'
-    page_title = 'Project Detail View'
+    page_title = 'Project View'
     form_class = FileUploadForm
-    slug_field = 'project_id'
-    slug_url_kwarg = 'id'
-    object = Project
 
-    def get_context_data(self, **kwargs):
+    success_url = '/projects/'
-        kwargs[u'project'] = self.object
+    
-        return super(ProjectView, self).get_context_data(**kwargs)
+    def get(self, request, *args, **kwargs):
+        project_id = kwargs[u'project_id']
+        self.object = Project.objects.get(pk=project_id)
+        return super(ProjectView, self).get(request, *args, **kwargs)
+
+    def post(self, request, *args, **kwargs):
+        project_id = kwargs[u'project_id']
+        self.success_url = self.success_url + project_id
+        return super(ProjectView, self).post(request, *args, **kwargs)
+    
+    def form_valid(self, form, *args, **kwargs):
+        print("FORM:")
+        attrs = vars(form)
+        print ', '.join("%s: %s" % item for item in attrs.items())
+        
+        
+        
+        return super(ProjectView, self).form_valid(form)
+    
+