def get_all_auctions_endpoint():
ts = datetime.utcnow()
schema = AuctionSchema(exclude=('assetId', 'contractId', 'minBid', 'media',
'bids'))
upcoming = Auction.query.filter(Auction.end > ts).order_by(
Auction.start).all()
upcoming = schema.dump(upcoming, many=True)
finished = Auction.query.filter(Auction.end <= ts).order_by(
Auction.start).all()
finished = schema.dump(finished, many=True)
for auction in upcoming:
media = Media.query.get(auction['mid'])
auction['title'] = media.title
auction['cover'] = media.cover
auction['artist'] = User.query.get(auction['uid']).name
del auction['uid']
for auction in finished:
media = Media.query.get(auction['mid'])
auction['title'] = media.title
auction['cover'] = media.cover
auction['artist'] = User.query.get(auction['uid']).name
del auction['uid']
return jsonify(upcoming=upcoming, finished=finished), 200
def get_bids_endpoint(aid):
auction = Auction.query.get(aid)
if auction is None:
return '', 404
schema = AuctionSchema(only=('uid', 'mid', 'assetId', 'contractId',
'start', 'end', 'amount', 'minBid',
'bids.uid', 'bids.bid'))
return jsonify(schema.dump(auction)), 200
def create_auction_endpoint():
data = request.get_json()
if data is None:
return '', 400
message = AuctionSchema().validate(data)
if len(message) > 0:
return jsonify(message), 400
auction = Auction(**data)
db.session.add(auction)
db.session.commit()
schema = AuctionSchema()
return jsonify(schema.dump(auction)), 201
def get_auction_endpoint(aid, uid):
auction = Auction.query.get(aid)
if auction is None:
return '', 404
auction = AuctionSchema(only=('aid', 'uid', 'assetId', 'start', 'end',
'amount', 'minBid', 'sold', 'earnings',
'media.title', 'media.full_audio',
'media.demo_segment',
'media.cover')).dump(auction)
auction['artist'] = User.query.get(auction['uid']).name
auction['title'] = auction['media']['title']
auction['cover'] = auction['media']['cover']
if Ownership.query.filter_by(uid=uid, aid=aid).first() is None:
auction['demo'] = auction['media']['demo_segment']
else:
auction['demo'] = auction['media']['full_audio']
del auction['uid']
del auction['media']
participants = Bid.query.filter_by(aid=aid).order_by(Bid.bid.desc()).all()
participants = BidSchema(only=('uid', 'bid')).dump(participants, many=True)
for participant in participants:
user = User.query.get(participant['uid'])
participant['name'] = user.name
participant['avatar'] = user.avatar
del participant['uid']
auction['participants'] = participants
return jsonify(auction), 200
def get_user_endpoint(uid):
# get user's checksum
user = User.query.get(uid)
# evaluate if matches given checksum
if user is None:
return jsonify(message=f'User {uid} does not exist!'), 404
schema = UserSchema(only=('uid', 'name', 'avatar', 'title', 'identity',
'mnemonic', 'subscription', 'createdAt'))
user = schema.dump(user)
if user['identity'] == 0: # artist
releases = Media.query \
.filter_by(uid=user['uid'], dist_type=False) \
.order_by(Media.title) \
.all()
releases = MediaSchema(exclude=('uid', 'full_audio', 'demo_segment',
'dist_type')).dump(releases, many=True)
for release in releases:
release['artist'] = user['name']
user['releases'] = releases
auctions = Auction.query \
.filter_by(uid=user['uid']) \
.order_by(Auction.start.desc()) \
.all()
auctions = AuctionSchema(only=('aid', 'assetId', 'amount', 'start',
'end', 'sold', 'earnings', 'mid',
'media.title',
'media.cover')).dump(auctions,
many=True)
for auction in auctions:
auction['cover'] = auction['media']['cover']
auction['title'] = auction['media']['title']
auction['artist'] = user['name']
del auction['media']
user['auctions'] = auctions
else: # listener
owns = Ownership.query.filter_by(uid=user['uid']).all()
owns = OwnershipSchema(only=('aid', 'auction.assetId', 'auction.sold',
'auction.earnings', 'mid', 'media.uid',
'media.title',
'media.cover')).dump(owns, many=True)
for own in owns:
own['assetId'] = own['auction']['assetId']
own['sold'] = own['auction']['sold']
own['earnings'] = own['auction']['earnings']
own['title'] = own['media']['title']
own['cover'] = own['media']['cover']
own['artist'] = User.query.get(own['media']['uid']).name
del own['auction']
del own['media']
user['owns'] = owns
return jsonify(user), 200
def update_auction_endpoint():
data = request.get_json()
if data is None:
return '', 400
if 'aid' not in data:
return jsonify(message='Missing aid in the request'), 400
auction = Auction.query.get(data['aid'])
if auction is None:
return '', 404
if 'assetId' in data:
auction.assetId = data['assetId']
if 'contractId' in data:
auction.contractId = data['contractId']
if 'sold' in data:
auction.sold = data['sold']
if 'earnings' in data:
auction.earnings = data['earnings']
db.session.commit()
schema = AuctionSchema(exclude=('media', ))
return jsonify(schema.dump(auction)), 200
def retrieve_all_auctions():
auctions = Auction.query.all()
schema = AuctionSchema()
return jsonify(*map(schema.dump, auctions)), 200