def view_all(self, request, format=None):
try:
query = process_search_query(request.GET)
serializer = ActivityEmbeddedSerializer(
Activity.objects(**query).order_by('-id'),
context={'request': request},
many=True)
return Response(status=status.HTTP_200_OK, data=serializer.data)
except Exception as e: # pragma: no cover
return Response(status=status.HTTP_400_BAD_REQUEST,
data={'error': str(e.message)})
def discovery(self, request, page=None, format=None, date_range=None):
try:
if date_range:
try:
data_range_query_text = "/?from=" + \
date_range[0] + "&to=" + date_range[1]
from_date = datetime.strptime(date_range[0], '%Y-%m-%d')
to_date = datetime.strptime(date_range[1],
'%Y-%m-%d') + timedelta(days=1)
activities = Activity.objects(
endTime__lte=to_date,
endTime__gte=from_date,
responseCode__lt=300).order_by('-id')
except Exception:
return Response(
status=status.HTTP_422_UNPROCESSABLE_ENTITY,
data={
'error': "The date range query format is invalid."
})
else:
activities = Activity.objects(
responseCode__lt=300).order_by('-id')
context = [
"http://iiif.io/api/presentation/3/context.json",
"https://www.w3.org/ns/activitystreams"
]
total = activities.count()
last_page = (total + 20 - 1) // 20
if page:
# Construct a specific Collection Page
if int(page[1:]) == 0: # Page number must be grater than 0
return Response(
status=status.HTTP_404_NOT_FOUND,
data={
'error': "Discovery with page '0' does not exist."
})
if int(page[1:]) > last_page: # Requested page is out of range
return Response(status=status.HTTP_404_NOT_FOUND,
data={
'error':
"Discovery with page '" + page[1:] +
"' does not exist."
})
type = "CollectionPage"
if date_range:
id = settings.IIIF_BASE_URL + "/discovery" + page + data_range_query_text
part_of = {
"id": settings.IIIF_BASE_URL + "/discovery" +
data_range_query_text,
"type": "Collection"
}
else:
id = settings.IIIF_BASE_URL + "/discovery" + page
part_of = {
"id": settings.IIIF_BASE_URL + "/discovery",
"type": "Collection"
}
label = "{0} IIIF Discovery Collection: Page{1}".format(
settings.TOP_LEVEL_COLLECTION_LABEL, page)
first = None
last = None
if date_range:
next = {
"id":
settings.IIIF_BASE_URL + "/discovery-" +
str(int(page[1:]) + 1) + data_range_query_text,
"type":
"CollectionPage"
} if int(page[1:]) + 1 <= last_page else None
else:
next = {
"id":
settings.IIIF_BASE_URL + "/discovery-" +
str(int(page[1:]) + 1),
"type":
"CollectionPage"
} if int(page[1:]) + 1 <= last_page else None
items = []
method_mapping = {
"POST": "Create",
"PUT": "Update",
"DELETE": "Delete"
}
# Get only the required (20 or less) activities that belong to this page sorted by endTime.
start_index = (int(page[1:]) - 1) * 20
end_index = start_index + 20
if activities:
activities = activities[start_index:end_index]
else:
activities = Activity.objects(responseCode__lt=300)[
start_index:end_index] # pragma: no cover
for activity in activities:
items.append({
"id":
settings.IIIF_BASE_URL + "/activity/" +
str(activity.id),
"type":
method_mapping[activity.requestMethod],
"object": {
"id": activity.responseBody["@id"],
"type": activity.responseBody["@type"]
},
"actor":
activity.username,
"startTime":
activity.startTime,
"endTime":
activity.endTime
})
count = len(items)
else:
# Construct the Top Level Discovery Collection
type = "Collection"
if date_range:
id = settings.IIIF_BASE_URL + "/discovery" + data_range_query_text
else:
id = settings.IIIF_BASE_URL + "/discovery"
part_of = None
label = "{0} IIIF Discovery Collection".format(
settings.TOP_LEVEL_COLLECTION_LABEL)
count = None
if date_range:
first = {
"id": settings.IIIF_BASE_URL + "/discovery-1" +
data_range_query_text,
"type": "CollectionPage"
}
last = {
"id":
settings.IIIF_BASE_URL + "/discovery-" +
str(last_page) + data_range_query_text,
"type":
"CollectionPage"
}
else:
first = {
"id": settings.IIIF_BASE_URL + "/discovery-1",
"type": "CollectionPage"
}
last = {
"id":
settings.IIIF_BASE_URL + "/discovery-" +
str(last_page),
"type":
"CollectionPage"
}
next = None
items = None
if last_page == 0:
last = first
if (first["id"] == last["id"]):
last = {}
if (total == 0):
first = {}
# Render the response
discovery = {
"@context": context,
"id": id,
"type": type,
"partOf": part_of,
"label": label,
"total": total,
"count": count,
"first": first,
"last": last,
"next": next,
"items": items
}
return Response(status=status.HTTP_200_OK, data=discovery)
except Exception as e: # pragma: no cover
return Response(status=status.HTTP_500_INTERNAL_SERVER_ERROR,
data={'error': e.message})
