implement coursebook

Author: tobi-werner

frontend/templates/frontend/content/detail.html

@@ -27,8 +27,13 @@
                         <a class="dropdown-item"
                            href="{#{% url 'edit_md_file' course.id topic.id content.id %}#}">{% fa5_icon 'pencil-alt' 'fas' %}
                             Edit</a>
-
                     {% endif %}
+
+{#                    TODO: include link add/remove#}
+{#                    {% if is_content_in_coursebook user, course, content %}#}
+{#                        <p>TEST</p>#}
+{#                    {% endif %}#}
+
                     {% if isCurrentUserOwner or user.is_superuser or content.author == user %}
                         <a href="#" class="dropdown-item text-danger" data-toggle="modal"
                            data-target="#deleteContentModal">{% fa5_icon 'trash' 'fas' %} Delete</a>

frontend/templates/frontend/course/coursebook.html

@@ -0,0 +1,16 @@
+{% load i18n %}
+{# Load the tag library #}
+{% load bootstrap4 %}
+{% load fontawesome_5 %}
+{% load cc_frontend_tags %}
+
+<div>
+    {% with user|get_coursebook:course as topic_contents %}
+        <h2>Coursebook</h2>
+        {% if topic_contents|length > 0 %}
+            {% include "frontend/course/topic_contents.html" %}
+        {% else %}
+            <p>Coursebook empty</p>
+        {% endif %}
+    {% endwith %}
+</div>

frontend/templates/frontend/course/view.html

@@ -84,6 +84,8 @@ <h5 style="margin-top: 20px;">
         <!-- TODO Add image? -->
     </div>
 
+    {% include 'frontend/course/coursebook.html' %}
+
     {% for entry in structure %}
         <div style="margin-top: 30px;">
             {% with forloop.counter as outer_index %}

frontend/templatetags/cc_frontend_tags.py

@@ -1,6 +1,7 @@
 from django import template
 from django.conf import settings
 
+from base.models import Favorite
 from collab_coursebook.settings import ALLOW_PUBLIC_COURSE_EDITING_BY_EVERYONE
 from content.models import CONTENT_TYPES
 
@@ -115,3 +116,16 @@ def add_content_button(user, course_id, topic_id):
     # generate list of tuple (content type, content verbose name) for add content dropdown
     content_data = [(content_type, content_model.DESC) for content_type, content_model in CONTENT_TYPES.items()]
     return {'user': user, 'course_id': course_id, 'topic_id': topic_id, 'content_data': content_data}
+
+
+@register.filter
+def get_coursebook(user, course):
+    favourites = Favorite.objects.filter(user=user.profile, course=course)
+    coursebook = [favourite.content for favourite in favourites]
+    return coursebook
+
+
+# TODO: template tag can only have 2 parameters
+@register.filter
+def is_content_in_coursebook(user, course, content):
+    return Favorite.objects.filter(user=user, course=course, content=content).count() == 1

frontend/urls.py

@@ -3,6 +3,7 @@
 from content.models import CONTENT_TYPES
 from frontend import views
 from frontend.views.search import SearchView
+from frontend.views.coursebook import add_to_coursebook, remove_from_coursebook
 
 app_name = "frontend"
 
@@ -25,8 +26,12 @@
         ])),
         path('<int:course_id>/topic/<int:topic_id>/content/', include([
             re_path(r'add/(?P<type>' + '|'.join([key for key in CONTENT_TYPES.keys()]) + ')/$', views.content.AddContentView.as_view(), name='content-add'),
-            path('<int:content_id>/comment/<int:pk>/delete/', views.DeleteComment.as_view(), name='comment-delete'),
-            path('<int:content_id>/comment/<int:pk>/edit/', views.EditComment.as_view(), name='comment-edit'),
+            path('<int:content_id>', include([
+                path('/comment/<int:pk>/delete/', views.DeleteComment.as_view(), name='comment-delete'),
+                path('/comment/<int:pk>/edit/', views.EditComment.as_view(), name='comment-edit'),
+                path('/coursebook/add/', views.coursebook.add_to_coursebook, name='coursebook-add'),
+                path('/coursebook/remove/', views.coursebook.remove_from_coursebook, name='coursebook-remove'),
+            ])),
             path('<pk>/', views.ContentView.as_view(), name='content'),
             path('<pk>/read/', views.content.ContentReadingModeView.as_view(), name='content-reading-mode'),
         ])),

frontend/views/coursebook.py

@@ -0,0 +1,23 @@
+from django.http import HttpResponseRedirect
+from django.urls import reverse
+from base.models import Course, Favorite, Topic, Content
+
+
+def add_to_coursebook(request, *args, **kwargs):
+    user = request.user.profile
+    course = Course.objects.get(pk=kwargs['course_id'])
+    topic = Topic.objects.get(pk=kwargs['topic_id'])
+    content = Content.objects.get(pk=kwargs['content_id'])
+
+    Favorite.objects.create(content=content, user=user, course=course)
+    return HttpResponseRedirect(reverse('frontend:content', args=(course.id, topic.id, content.id,)))
+
+
+def remove_from_coursebook(request, *args, **kwargs):
+    user = request.user.profile
+    course = Course.objects.get(pk=kwargs['course_id'])
+    topic = Topic.objects.get(pk=kwargs['topic_id'])
+    content = Content.objects.get(pk=kwargs['content_id'])
+
+    Favorite.objects.filter(course=course, user=user, content=content).delete()
+    return HttpResponseRedirect(reverse('frontend:content', args=(course.id, topic.id, content.id,)))