def get_catalog_page(self, page_number, page_size, search, order_by, sort_order):
"""Gets a catalog page of the managed collection."""
collection = self.get_all()
if search is not None and search != "":
"""
# NB: if a search filter is provided by the client; then the server side should:
# 1. search inside the properties we know should be searched into, and skim the results.
# 2. set the total items count as the total of items that respond to the search.
# 3. return the full set of items that respect the search criteria.
#
# As a side note, keep in mind that some properties, like dates and decimal, should be evaluated for their
# culture-dependent string representations of values; not their intrinsic values.
# Example: a date in UK English can be dd/mm/yyyy; in US English can be mm/dd/yyyy.
# A well designed search implementation adapts to the current user's culture.
"""
collection = ListUtils.search(collection, search, "*")
# NB: if an order by is defined; we need to order before paginating results!
if order_by is not None and order_by != "":
collection = ListUtils.sort_by(collection, order_by, sort_order)
# return a paginated result to the client:
skip = ((page_number-1)*page_size) if page_number > 0 else 0
# the client needs to know the total items count, in order to build the pagination
total_items_count = len(collection)
result = ListUtils.sampling(collection, skip, page_size)
# return the collection and the count of results:
return result, total_items_count
def get_catalog_page(self, page_number, page_size, search, order_by, sort_order):
"""Gets a catalog page of the managed collection."""
collection = self.get_all()
if search is not None and search != "":
"""
# NB: if a search filter is provided by the client; then the server side should:
# 1. search inside the properties we know should be searched into, and skim the results.
# 2. set the total items count as the total of items that respond to the search.
# 3. return the full set of items that respect the search criteria.
#
# As a side note, keep in mind that some properties, like dates and decimal, should be evaluated for their
# culture-dependent string representations of values; not their intrinsic values.
# Example: a date in UK English can be dd/mm/yyyy; in US English can be mm/dd/yyyy.
# A well designed search implementation adapts to the current user's culture.
"""
collection = ListUtils.search(collection, search, "*")
# NB: if an order by is defined; we need to order before paginating results!
if order_by is not None and order_by != "":
collection = ListUtils.sort_by(collection, order_by, sort_order)
# return a paginated result to the client:
skip = ((page_number-1)*page_size) if page_number > 0 else 0
# the client needs to know the total items count, in order to build the pagination
total_items_count = len(collection)
result = ListUtils.sampling(collection, skip, page_size)
# return the collection and the count of results:
return result, total_items_count
