def get_no_updated_keyword_frequency_iter():
"""
:return: Iterable of not updated keyword frequencies.
"""
collection = yield db.get_keyword_frequency_collection()
defer.returnValue(QueryIterator(collection.find({'updated': False}, cursor=True)))
def get_keyword_frequency(keyword):
"""
:param keyword:
:return: One keyword frequency document.
"""
collection = yield db.get_keyword_frequency_collection()
return_value = yield collection.find_one({'keyword': keyword})
defer.returnValue(return_value)
def delete_keyword_frequency(_id):
"""
Remove keyword frequency document.
:param _id: Mongo document identifier.
:return:
"""
collection = yield db.get_keyword_frequency_collection()
return_value = yield collection.delete_many({'_id': _id})
defer.returnValue(return_value)
def set_keyword_frequency_updated_flag(updated=False):
"""
Set/update the 'updated' flag in keyword frequency document.
:param updated: Flag value (True/False)
:return:
"""
collection = yield db.get_keyword_frequency_collection()
return_value = yield collection.update_many({}, {"$set": {"updated": updated}})
defer.returnValue(return_value)
def update_keyword_frequency(keyword, frequency, updated=True):
"""
Create or update keyword frequency.
:param keyword:
:param frequency:
:param updated:
:return:
"""
collection = yield db.get_keyword_frequency_collection()
return_value = yield collection.replace_one({
'keyword': keyword
}, {
'keyword': keyword,
'frequency': frequency,
'updated': updated
}, upsert=True)
defer.returnValue(return_value)