def remove_bank_member(
banks_table: BanksTable,
bank_member_id: str,
):
"""
Remove bank member. Marks the member as removed and all its signals are
removed from the GSI used to build HMA indexes.
NOTE: If we ever start incremental updates to HMA indexes, removing bank
members will stop working.
"""
banks_table.remove_bank_member_signals_to_process(
bank_member_id=bank_member_id)
banks_table.remove_bank_member(bank_member_id=bank_member_id)
def test_bank_member_removes_from_get_members_page(self):
NUM_MEMBERS = 100
REMOVE_EVERY_XTH_MEMBER = 4
with self.fresh_dynamodb():
table_manager = BanksTable(self.get_table())
bank_id, bank_member_id = self._create_bank_and_bank_member()
for i in range(NUM_MEMBERS):
bank_member = table_manager.add_bank_member(
bank_id=bank_id,
content_type=VideoContent,
raw_content=None,
storage_bucket="hma-test-media",
storage_key="irrrelevant",
notes="",
)
members = []
exclusive_start_key = None
while True:
page = table_manager.get_all_bank_members_page(
bank_id=bank_id,
content_type=VideoContent,
exclusive_start_key=exclusive_start_key,
)
members += page.items
exclusive_start_key = page.last_evaluated_key
if not page.has_next_page():
break
self.assertEqual(
len(members),
101,
"All the pages together have as many members as we added.",
)
count_members_removed = 0
for i, member in enumerate(members):
if i // REMOVE_EVERY_XTH_MEMBER == 0:
table_manager.remove_bank_member(member.bank_member_id)
count_members_removed += 1
members = []
exclusive_start_key = None
while True:
page = table_manager.get_all_bank_members_page(
bank_id=bank_id,
content_type=VideoContent,
exclusive_start_key=exclusive_start_key,
)
members += page.items
exclusive_start_key = page.last_evaluated_key
if not page.has_next_page():
break
self.assertEqual(
len(members),
101 - count_members_removed,
"All the pages together have as many members as we added minus the ones we removed.",
)