Merge branch 'fix/education-membership-required' into 'master'

Add membership decorator and require an active membership to download exams/summaries

See merge request !814

docs/members.rst

@@ -32,6 +32,14 @@ members\.apps module
     :undoc-members:
     :show-inheritance:
 
+members\.decorators module
+--------------------------
+
+.. automodule:: members.decorators
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
 members\.emails module
 ----------------------
 

website/education/views.py

@@ -10,6 +10,7 @@ from django.utils import timezone
 from django.utils.translation import ugettext_lazy as _
 from sendfile import sendfile
 
+from members.decorators import membership_required
 from .forms import AddExamForm, AddSummaryForm
 from .models import Category, Course, Exam, Summary
 
@@ -60,6 +61,7 @@ def course(request, id):
 
 
 @login_required
+@membership_required
 def exam(request, id):
     """
     Fetches and outputs the specified exam
@@ -79,6 +81,7 @@ def exam(request, id):
 
 
 @login_required
+@membership_required
 def summary(request, id):
     """
     Fetches and outputs the specified summary

website/members/decorators.py

+from django.core.exceptions import PermissionDenied
+
+
+def membership_required(view_function):
+    return ActiveMembershipRequired(view_function)
+
+
+class ActiveMembershipRequired(object):
+    def __init__(self, view_function):
+        self.view_function = view_function
+
+    def __call__(self, request, *args, **kwargs):
+        if request.member and request.member.has_active_membership():
+            return self.view_function(request, *args, **kwargs)
+
+        raise PermissionDenied