setting the owner of a talk when adding it

[cascardo/ema.git] / eventos / views.py

diff --git a/eventos/views.py b/eventos/views.py
index ce68872..a470952 100644 (file)
--- a/eventos/views.py
+++ b/eventos/views.py
@@ -15,9 +15,13 @@
 # License along with this program; if not, write to the
 # Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 # Boston, MA 02111-1307, USA.
-from django.http import HttpResponseRedirect
+from django.http import HttpResponseRedirect, HttpResponseForbidden
 from django.contrib import auth
 from django.contrib.auth.forms import AuthenticationForm
+from django.newforms import form_for_instance, form_for_model
+from django.shortcuts import render_to_response, get_object_or_404
+from django.template import RequestContext, Context, loader
+from eventos.models import Palestrante, Trabalho
 
 def login(request):
     """This is a function that will be used as a front-end to the
@@ -50,4 +54,84 @@ def logout(request):
     be mapped to an url and simply called without any parameter.
     """
     auth.logout(request)
-    return HttpResponseRedirect('/login')
+    return HttpResponseRedirect('/')
+
+def lecturer_details(request, lid):
+    """Shows a simple form containing all editable fields of a
+    lecturer and gives the lecturer the possibility to save them =)
+    """
+    entity = request.user.palestrante_set.get()
+    # avoiding problems if some other user tries to edit the lecturer
+    # info.
+    if entity.id != int(lid):
+        return HttpResponseForbidden('<h2>You are not '
+                                     'allowed to edit '
+                                     'this info.<h2>')
+
+    FormKlass = form_for_instance(entity)
+    del FormKlass.base_fields['usuario']
+
+    form = FormKlass(request.POST or None)
+    if request.POST and form.is_valid():
+        form.save()
+
+    c = {'form': form}
+    return render_to_response('eventos/lecturer-details.html', Context(c),
+                              context_instance=RequestContext(request))
+
+def lecturer_talks(request, lid):
+    """Lists all talks of a lecturer (based on lecturer id -- lid
+    parameter).
+    """
+    lecturer = get_object_or_404(Palestrante, pk=lid)
+    talks = Trabalho.objects.filter(palestrante=lecturer)
+    c = {'lecturer': lecturer, 'talks': talks}
+    return render_to_response('eventos/talk-list.html', Context(c),
+                              context_instance=RequestContext(request))
+
+def talk_details(request, tid):
+    """Shows a form to edit a talk
+    """
+    entity = get_object_or_404(Trabalho, pk=tid)
+    FormKlass = form_for_instance(entity)
+    form = FormKlass(request.POST or None)
+    if request.POST and form.is_valid():
+        form.save()
+
+    c = {'form': form}
+    return render_to_response('eventos/talk-details.html', Context(c),
+                              context_instance=RequestContext(request))
+
+def talk_delete(request, tid):
+    """Drops a talk but only if the logged in user is its owner.
+    """
+    entity = get_object_or_404(Trabalho, pk=tid)
+    palestrante = request.user.palestrante_set.get()
+    owner = Trabalho.objects.filter(pk=tid, palestrante=palestrante)
+    if not owner:
+        return HttpResponseForbidden('<h2>You are not '
+                                     'allowed to edit '
+                                     'this info.<h2>')
+    entity.delete()
+    return HttpResponseRedirect('/lecturer/%d/talks/' % palestrante.id)
+
+def talk_add(request):
+    """Shows a form to the lecturer send a talk
+    """
+    palestrante = request.user.palestrante_set.get()
+    FormKlass = form_for_model(Trabalho)
+    form = FormKlass(request.POST or None)
+
+    other = Palestrante.objects.exclude(pk=palestrante.id)
+    form.fields['palestrante'].label = u'Outros Palestrantes'
+    form.fields['palestrante'].required = False
+    form.fields['palestrante']._set_queryset(other)
+
+    if request.POST and form.is_valid():
+        instance = form.save()
+        instance.palestrante.add(palestrante)
+        return HttpResponseRedirect('/lecturer/%d/talks/' % palestrante.id)
+
+    c = {'form': form}
+    return render_to_response('eventos/talk-add.html', Context(c),
+                              context_instance=RequestContext(request))