def dehydrate(self, bundle):
try:
bundle.data['is_global_annotation'] = \
bundle.obj.is_global_annotation()
bundle.data['asset_id'] = str(bundle.obj.asset.id)
bundle.data['is_null'] = bundle.obj.is_null()
bundle.data['annotation'] = bundle.obj.annotation()
bundle.data['url'] = bundle.obj.get_absolute_url()
modified = bundle.obj.modified.strftime("%m/%d/%y %I:%M %p") \
if bundle.obj.modified else ''
bundle.data['metadata'] = {
'tags': TagResource().render_list(bundle.request,
bundle.obj.tags_split()),
'body': bundle.obj.body.strip() if bundle.obj.body else '',
'primary_type': bundle.obj.asset.primary.label,
'modified': modified,
'timecode': bundle.obj.range_as_timecode(),
'title': bundle.obj.title
}
editable = (bundle.request.user.id ==
getattr(bundle.obj, 'author_id', -1))
citable = bundle.request.GET.get('citable', '') == 'true'
# assumed: there is only one ProjectNote per annotation
reference = ProjectNote.objects.filter(
annotation__id=bundle.obj.id).first()
if reference:
# notes in a submitted response are not editable
editable = editable and not reference.project.is_submitted()
if citable:
# this is a heavy operation. don't call it unless needed
citable = reference.project.can_cite(bundle.request.course,
bundle.request.user)
bundle.data['editable'] = editable
bundle.data['citable'] = citable
termResource = TermResource()
vocabulary = {}
related = TermRelationship.objects.get_for_object(
bundle.obj).prefetch_related('term__vocabulary')
for rel in related:
if rel.term.vocabulary.id not in vocabulary:
vocabulary[rel.term.vocabulary.id] = {
'id': rel.term.vocabulary.id,
'display_name': rel.term.vocabulary.display_name,
'terms': []
}
vocabulary[rel.term.vocabulary.id]['terms'].append(
termResource.render_one(bundle.request, rel.term))
bundle.data['vocabulary'] = vocabulary.values()
except Asset.DoesNotExist:
bundle.data['asset_id'] = ''
bundle.data['metadata'] = {'title': 'Item Deleted'}
return bundle
def render_related_terms(self, bundle):
termResource = TermResource()
vocabulary = {}
for rel in bundle.obj.termrelationship_set.all():
if rel.term.vocabulary.id not in vocabulary:
vocabulary[rel.term.vocabulary.id] = {
'id': rel.term.vocabulary.id,
'display_name': rel.term.vocabulary.display_name,
'terms': []
}
vocabulary[rel.term.vocabulary.id]['terms'].append(
termResource.render_one(bundle.request, rel.term))
return sorted(list(vocabulary.values()), key=lambda x: x.get('id'))
def render_related_terms(self, bundle):
termResource = TermResource()
vocabulary = {}
for rel in bundle.obj.termrelationship_set.all():
if rel.term.vocabulary.id not in vocabulary:
vocabulary[rel.term.vocabulary.id] = {
'id': rel.term.vocabulary.id,
'display_name': rel.term.vocabulary.display_name,
'terms': []
}
vocabulary[rel.term.vocabulary.id]['terms'].append(
termResource.render_one(bundle.request, rel.term))
return vocabulary.values()
def render_assets(request, record_owner, assets):
course = request.course
logged_in_user = request.user
# Is the current user faculty OR staff
is_faculty = cached_course_is_faculty(course, logged_in_user)
# Can the record_owner edit the records
viewing_own_records = (record_owner == logged_in_user)
viewing_faculty_records = record_owner and course.is_faculty(record_owner)
# Allow the logged in user to add assets to his composition
citable = request.GET.get('citable', '') == 'true'
# Does the course allow viewing other user selections?
owner_selections_are_visible = (
course_details.all_selections_are_visible(course) or
viewing_own_records or viewing_faculty_records or is_faculty)
# Spew out json for the assets
if request.GET.get('annotations', '') == 'true':
resource = AssetResource(owner_selections_are_visible,
record_owner,
{'editable': viewing_own_records,
'citable': citable})
else:
resource = AssetSummaryResource({'editable': viewing_own_records,
'citable': citable})
asset_json = resource.render_list(request, assets)
active_filters = {}
for k, val in request.GET.items():
if (k == 'tag' or k == 'modified' or k.startswith('vocabulary-')):
active_filters[k] = val
user_resource = UserResource()
# #todo -- figure out a cleaner way to do this. Ugli-ness
# Collate tag set & vocabulary set for the result set.
# Get all visible notes for the returned asset set
# These notes may include global annotations for all users,
# whereas the rendered set will not
active_asset_ids = [a['id'] for a in asset_json]
active_notes = []
if record_owner:
if owner_selections_are_visible:
active_notes = SherdNote.objects.filter(
asset__course=course, asset__id__in=active_asset_ids,
author__id=record_owner.id)
else:
if all_selections_are_visible(course) or is_faculty:
# Display all tags for the asset set including globals
active_notes = SherdNote.objects.filter(
asset__course=course, asset__id__in=active_asset_ids)
else:
whitelist = [f.id for f in course.faculty]
whitelist.append(request.user.id)
active_notes = SherdNote.objects.filter(
asset__course=course,
asset__id__in=active_asset_ids,
author__id__in=whitelist)
tags = []
if len(active_notes) > 0:
tags = Tag.objects.usage_for_queryset(active_notes)
tags.sort(lambda a, b: cmp(a.name.lower(), b.name.lower()))
active_vocabulary = []
note_ids = [n.id for n in active_notes]
content_type = ContentType.objects.get_for_model(SherdNote)
term_resource = TermResource()
for v in Vocabulary.objects.get_for_object(request.course):
vocabulary = {
'id': v.id,
'display_name': v.display_name,
'term_set': []
}
related = TermRelationship.objects.filter(term__vocabulary=v,
content_type=content_type,
object_id__in=note_ids)
terms = []
for r in related:
if r.term.display_name not in terms:
the_term = term_resource.render_one(request, r.term)
vocabulary['term_set'].append(the_term)
terms.append(r.term.display_name)
active_vocabulary.append(vocabulary)
# Assemble the context
data = {'assets': asset_json,
'active_tags': TagResource().render_list(request, tags),
'active_filters': active_filters,
'active_vocabulary': active_vocabulary,
'space_viewer': user_resource.render_one(request, logged_in_user),
'editable': viewing_own_records,
'citable': citable,
'is_faculty': is_faculty}
if record_owner:
data['space_owner'] = user_resource.render_one(request, record_owner)
json_stream = simplejson.dumps(data, indent=2)
return HttpResponse(json_stream, mimetype='application/json')
def render_assets(request, record_owner, assets):
course = request.course
logged_in_user = request.user
# Is the current user faculty OR staff
is_faculty = cached_course_is_faculty(course, logged_in_user)
# Can the record_owner edit the records
viewing_own_records = (record_owner == logged_in_user)
viewing_faculty_records = record_owner and course.is_faculty(record_owner)
# Allow the logged in user to add assets to his composition
citable = request.GET.get('citable', '') == 'true'
# Does the course allow viewing other user selections?
owner_selections_are_visible = (
course_details.all_selections_are_visible(course)
or viewing_own_records or viewing_faculty_records or is_faculty)
# Spew out json for the assets
if request.GET.get('annotations', '') == 'true':
resource = AssetResource(owner_selections_are_visible, record_owner, {
'editable': viewing_own_records,
'citable': citable
})
else:
resource = AssetSummaryResource({
'editable': viewing_own_records,
'citable': citable
})
asset_json = resource.render_list(request, assets)
active_filters = {}
for key, val in request.GET.items():
if (key == 'tag' or key == 'modified'
or key.startswith('vocabulary-')):
active_filters[key] = val
user_resource = UserResource()
# #todo -- figure out a cleaner way to do this. Ugli-ness
# Collate tag set & vocabulary set for the result set.
# Get all visible notes for the returned asset set
# These notes may include global annotations for all users,
# whereas the rendered set will not
active_asset_ids = [a['id'] for a in asset_json]
active_notes = []
if record_owner:
if owner_selections_are_visible:
active_notes = SherdNote.objects.filter(
asset__course=course,
asset__id__in=active_asset_ids,
author__id=record_owner.id)
else:
if all_selections_are_visible(course) or is_faculty:
# Display all tags for the asset set including globals
active_notes = SherdNote.objects.filter(
asset__course=course, asset__id__in=active_asset_ids)
else:
whitelist = [f.id for f in course.faculty]
whitelist.append(request.user.id)
active_notes = SherdNote.objects.filter(
asset__course=course,
asset__id__in=active_asset_ids,
author__id__in=whitelist)
tags = []
if len(active_notes) > 0:
tags = Tag.objects.usage_for_queryset(active_notes)
tags.sort(lambda a, b: cmp(a.name.lower(), b.name.lower()))
active_vocabulary = []
note_ids = [n.id for n in active_notes]
content_type = ContentType.objects.get_for_model(SherdNote)
term_resource = TermResource()
for vocab in Vocabulary.objects.get_for_object(request.course):
vocabulary = {
'id': vocab.id,
'display_name': vocab.display_name,
'term_set': []
}
related = TermRelationship.objects.filter(term__vocabulary=vocab,
content_type=content_type,
object_id__in=note_ids)
terms = []
for rel in related:
if rel.term.display_name not in terms:
the_term = term_resource.render_one(request, rel.term)
vocabulary['term_set'].append(the_term)
terms.append(rel.term.display_name)
active_vocabulary.append(vocabulary)
# Assemble the context
data = {
'assets': asset_json,
'active_tags': TagResource().render_list(request, tags),
'active_filters': active_filters,
'active_vocabulary': active_vocabulary,
'space_viewer': user_resource.render_one(request, logged_in_user),
'editable': viewing_own_records,
'citable': citable,
'is_faculty': is_faculty
}
if record_owner:
data['space_owner'] = user_resource.render_one(request, record_owner)
json_stream = simplejson.dumps(data, indent=2)
return HttpResponse(json_stream, mimetype='application/json')
