Enumerators based on "activity_type"
Following is the list of "activity_type" along with it's corresponding ENUM number.
NONE (0)
UPLOAD (1)
DOWNLOAD (2)
SHARE (3)
EXTERNAL_SHARE (4)
REQUEST (5)
SYNC (6)
UNSHARE (7)
DELETE (8)
CREATE (9)
MODIFY (10)
VIEW (11)
MOVE (12)
LOCK (13)
RENAME (14)
RESTORE (15)
PRINT (16)
COPY (17)
SEND (18)
INTERNAL_SHARE (22)
PUBLIC_SHARE (23)
UNKNOWN (19)