def GetSessionList(initiator):
bdb = connect()
lookup = AssetsManager.lookup_asset(bdb,"NewAttendanceSession")
session_list = []
session_ids = []
presents = {}
for entry in lookup:
if entry['data']['AssetType'] == 'NewAttendanceSession' :
if entry['data']['SessionInitiator'] == initiator:
session_ids.append(entry['data']['SessionID'])
presents[entry['data']['SessionID']] = 0
session_list.append({
"Name" : entry['data']['SessionName'] ,
"Date" : entry['data']['CreationDate'],
"Time" : entry['data']['CreationTime'],
"Present" : "0"
})
lookup2 = AssetsManager.lookup_asset(bdb,"SessionPresence")
print(lookup2)
for entry in lookup2:
if entry['data']['AssetType'] == 'SessionPresence' :
id = entry['data']['SessionID']
if id in session_ids:
presents[id] = presents[id] + 1
index = 0
for session_id in session_ids:
session_list[index]['Present'] = presents[session_id]
index = index + 1
return session_list[::-1]
def NewMember(did, keys):
bdb = connect()
lookup = AssetsManager.lookup_asset(bdb, "NewOrgMember")
already_regs = False
for item in lookup:
block = AssetsManager.get_from_id(bdb, item['id'])
transactions = AssetsManager.lookup_transactions(bdb, item['id'])
transaction = transactions[len(transactions) - 1]
owner_pk = transaction['outputs'][0]['public_keys'][0]
mdi = transactions[0]['asset']['data']['MemberDigitalID']
if mdi == did:
if owner_pk == keys.public_key:
already_regs = True
break
if not already_regs:
am = AssetsManager("CREATE",
asset_data={
"asset_type": "NewMember",
"values": {
"MemberDigitalID": did
}
},
c_keys=keys,
bdb=bdb)
return am.create()
return False
def TransferMember(asset_id, prevu_key, curru_key):
bdb = connect()
am = AssetsManager("TRANSFER",
asset_id=asset_id,
p_keys=prevu_key,
c_keys=curru_key,
bdb=bdb)
return am.transfer()
def GetAssetID(digital_id, owner_keys):
bdb = connect()
lookup = AssetsManager.lookup_asset(bdb, digital_id)
for asset in lookup:
if asset['data']['AssetType'] == "NewOrgMember":
transactions = AssetsManager.lookup_transactions(
bdb, asset['id'])
transaction = transactions[len(transactions) - 1]
if transaction['outputs'][0]['public_keys'][
0] == owner_keys.public_key:
return asset['id']
return False
def NewSession(sess_name,sess_ini_did,org_id,keys):
session_id = hmac.new(os.urandom(32).hex().encode('utf-8'),(sess_ini_did[:20]+org_id[-20:]).encode('utf-8'),hashlib.sha256).hexdigest()
bdb = connect()
am = AssetsManager("CREATE", asset_data={
"asset_type" : "NewAttendanceSession",
"values" : {
"SessionName" : sess_name,
"SessionInitiator" : sess_ini_did,
"Organization" : org_id,
"SessionID" : session_id,
"CreationDate" : datetime.datetime.now().strftime('%d/%m/%y'),
"CreationTime" : datetime.datetime.now().strftime('%H:%M')
}
}, c_keys=keys, bdb=bdb)
return (am.create(),session_id)
def GetOrgMemberList(org_keys):
bdb = connect()
lookup = AssetsManager.lookup_asset(bdb, "NewOrgMember")
already_regs = False
member_ids = []
for item in lookup:
block = AssetsManager.get_from_id(bdb, item['id'])
transactions = AssetsManager.lookup_transactions(bdb, item['id'])
transaction = transactions[len(transactions) - 1]
owner_pk = transaction['outputs'][0]['public_keys'][0]
mdi = transactions[0]['asset']['data']['MemberDigitalID']
if owner_pk == org_keys.public_key:
state_addr = DigitalIDStateAddress.for_new_user(mdi).address
data = GetStateData(state_addr)
member_ids.append((data['Name'], mdi))
return member_ids
def MarkPresence(sess_id,m_did,keys):
bdb = connect()
can_proceed = False
lookup = AssetsManager.lookup_asset(bdb,"NewAttendanceSession")
for entry in lookup:
if entry['data']['AssetType'] == 'NewAttendanceSession' :
if entry['data']['SessionID'] == sess_id:
can_proceed = True
break
if can_proceed:
am = AssetsManager("CREATE",asset_data={
"asset_type" : "Present",
"values" : {
"MarkedFor" : m_did,
"SessionID" : sess_id
}
}, c_keys=keys, bdb=bdb)
dx = am.create()
print(dx)
return dx
else:
return can_proceed