def get_profile_through_cache(cls, user_id):
key = USER_PROFILE_PATTERN.format(user_id=user_id)
profile = cache.get(key)
if profile is not None:
return profile
profile, _ = UserProfile.objects.get_or_create(user_id=user_id)
key = USER_PROFILE_PATTERN.format(user_id=user_id)
cache.set(key, profile)
return profile
def get_profile_through_cache(cls, user_id):
key = USER_PROFILE_PATTERN.format(user_id=user_id)
# read from cache first
profile = cache.get(key)
# cache hit return
if profile is not None:
return profile
# cache miss, read from db
profile, _ = UserProfile.objects.get_or_create(user_id=user_id)
return profile
def get_profile_through_cache(cls, user_id):
key = USER_PROFILE_PATTERN.format(user_id=user_id)
# read from cache first
profile = cache.get(key)
# return value if cache hit
if profile is not None:
return profile
# read from DB if cache miss
profile, _ = UserProfile.objects.get_or_create(user_id=user_id)
cache.set(key, profile)
return profile
def get_profile_through_cache(cls, user_id):
key = USER_PROFILE_PATTERN.format(user_id=user_id)
# try hit cache
profile = cache.get(key)
# if hit, return to user
if profile is not None:
return profile
# if miss, get from DB
# since using get_or_create, not need to try-catch
profile, _ = UserProfile.objects.get_or_create(user_id=user_id)
cache.set(key, profile)
return profile
def get_profile_through_cache(cls, user_id):
# didn't use the memcachedHelper because it's using userID instead of the UserProfileId
key = USER_PROFILE_PATTERN.format(user_id=user_id)
# read from cache first
profile = cache.get(key)
# cache hit return
if profile is not None:
return profile
# cache miss, read from db
profile, _ = UserProfile.objects.get_or_create(user_id=user_id)
cache.set(key, profile)
return profile
def get_profile_through_cache(cls, user_id):
key = USER_PROFILE_PATTERN.format(user_id=user_id)
# read from cache first
profile = cache.get(key)
# cache hit return
if profile is not None:
return profile
# cache miss, read from db
# due to history, the user profile is added late.
# Some users don't have profile, so using get_or_create method to handle no user profile cases.
profile, _ = UserProfile.objects.get_or_create(user_id=user_id)
cache.set(key, profile)
return profile
def invalidate_profile(cls, user_id):
key = USER_PROFILE_PATTERN.format(user_id=user_id)
cache.delete(key)
