coriplus/app/api.py

307 lines
9.8 KiB
Python

from flask import Blueprint, jsonify, request
import sys, os, datetime, re
from functools import wraps
from peewee import IntegrityError
from .models import User, Message, Upload, Relationship, database, \
MSGPRV_PUBLIC, MSGPRV_UNLISTED, MSGPRV_FRIENDS, MSGPRV_ONLYME, UPLOAD_DIRECTORY
from .utils import check_access_token, Visibility, push_notification, unpush_notification
bp = Blueprint('api', __name__, url_prefix='/api/V1')
def get_message_info(message):
try:
media = message.uploads[0].url()
except IndexError:
media = None
if media:
print(media)
return {
'id': message.id,
'user': {
'id': message.user.id,
'username': message.user.username,
},
'text': message.text,
'privacy': message.privacy,
'pub_date': message.pub_date.timestamp(),
'media': media
}
def validate_access(func):
@wraps(func)
def wrapper(*args, **kwargs):
access_token = request.args.get('access_token')
if access_token is None:
return jsonify({
'message': 'missing access_token',
'status': 'fail'
})
user = check_access_token(access_token)
if user is None:
return jsonify({
'message': 'invalid access_token',
'status': 'fail'
})
try:
result = func(user, *args, **kwargs)
assert isinstance(result, dict)
except Exception:
import traceback; traceback.print_exc()
return jsonify({
'message': str(sys.exc_info()[1]),
'status': 'fail'
})
result['status'] = 'ok'
return jsonify(result)
return wrapper
@bp.route('/feed')
@validate_access
def feed(self):
timeline_media = []
date = request.args.get('offset')
if date is None:
date = datetime.datetime.now()
else:
date = datetime.datetime.fromtimestamp(date)
query = Visibility(Message
.select()
.where(((Message.user << self.following())
| (Message.user == self))
& (Message.pub_date < date))
.order_by(Message.pub_date.desc())
.limit(20))
for message in query:
timeline_media.append(get_message_info(message))
return {'timeline_media': timeline_media}
@bp.route('/create', methods=['POST'])
@validate_access
def create(self):
data = request.get_json(True)
text = data['text']
privacy = int(data.get('privacy', 0))
message = Message.create(
user=self,
text=text,
pub_date=datetime.datetime.now(),
privacy=privacy)
# Currently, API does not support files.
# create mentions
mention_usernames = set()
for mo in re.finditer(r'\+([A-Za-z0-9_]+(?:\.[A-Za-z0-9_]+)*)', text):
mention_usernames.add(mo.group(1))
# to avoid self mention
mention_usernames.difference_update({self.username})
for u in mention_usernames:
try:
mention_user = User.get(User.username == u)
if privacy in (MSGPRV_PUBLIC, MSGPRV_UNLISTED) or \
(privacy == MSGPRV_FRIENDS and
mention_user.is_following(self) and
self.is_following(mention_user)):
push_notification('mention', mention_user, user=user.id)
except User.DoesNotExist:
pass
return {}
@bp.route('/create2', methods=['POST'])
@validate_access
def create2(self):
text = request.form['text']
privacy = int(request.form.get('privacy', 0))
message = Message.create(
user=self,
text=text,
pub_date=datetime.datetime.now(),
privacy=privacy)
file = request.files.get('file')
if file:
print('Uploading', file.filename)
ext = file.filename.split('.')[-1]
upload = Upload.create(
type=ext,
message=message
)
file.save(os.path.join(UPLOAD_DIRECTORY, str(upload.id) + '.' + ext))
# create mentions
mention_usernames = set()
for mo in re.finditer(r'\+([A-Za-z0-9_]+(?:\.[A-Za-z0-9_]+)*)', text):
mention_usernames.add(mo.group(1))
# to avoid self mention
mention_usernames.difference_update({self.username})
for u in mention_usernames:
try:
mention_user = User.get(User.username == u)
if privacy in (MSGPRV_PUBLIC, MSGPRV_UNLISTED) or \
(privacy == MSGPRV_FRIENDS and
mention_user.is_following(self) and
self.is_following(mention_user)):
push_notification('mention', mention_user, user=user.id)
except User.DoesNotExist:
pass
return {}
def get_relationship_info(self, other):
if self == other:
return
return {
"following": self.is_following(other),
"followed_by": other.is_following(self)
}
@bp.route('/profile_info/<userid>', methods=['GET'])
@validate_access
def profile_info(self, userid):
if userid == 'self':
user = self
elif userid.startswith('+'):
user = User.get(User.username == userid[1:])
elif userid.isdigit():
try:
user = User[userid]
except User.DoesNotExist:
return {'user': None}
else:
raise ValueError('userid should be an integer or "self"')
profile = user.profile
return {
"user": {
"id": user.id,
"username": user.username,
"full_name": profile.full_name,
"biography": profile.biography,
"website": profile.website,
"generation": profile.year,
"instagram": profile.instagram,
"facebook": profile.facebook,
"relationships": get_relationship_info(self, user),
"messages_count": len(user.messages),
"followers_count": len(user.followers()),
"following_count": len(user.following())
}
}
@bp.route('/profile_info/feed/<userid>', methods=['GET'])
@validate_access
def profile_feed(self, userid):
if userid == 'self':
user = self
elif userid.startswith('+'):
user = User.get(User.username == userid[1:])
elif userid.isdigit():
user = User[userid]
else:
raise ValueError('userid should be an integer or "self"')
timeline_media = []
date = request.args.get('offset')
if date is None:
date = datetime.datetime.now()
else:
date = datetime.datetime.fromtimestamp(date)
query = Visibility(Message
.select()
.where((Message.user == user)
& (Message.pub_date < date))
.order_by(Message.pub_date.desc())
.limit(20))
for message in query:
timeline_media.append(get_message_info(message))
return {'timeline_media': timeline_media}
@bp.route('/relationships/<int:userid>/follow', methods=['POST'])
@validate_access
def relationships_follow(self, userid):
user = User[userid]
try:
with database.atomic():
Relationship.create(
from_user=self,
to_user=user,
created_date=datetime.datetime.now())
except IntegrityError:
pass
push_notification('follow', user, user=self.id)
return get_relationship_info(self, user)
@bp.route('/relationships/<int:userid>/unfollow', methods=['POST'])
@validate_access
def relationships_unfollow(self, userid):
user = User[userid]
(Relationship
.delete()
.where(
(Relationship.from_user == self) &
(Relationship.to_user == user))
.execute())
unpush_notification('follow', user, user=self.id)
return get_relationship_info(self, user)
@bp.route('/profile_search', methods=['POST'])
@validate_access
def profile_search(self):
data = request.get_json(True)
query = User.select().where(User.username ** ('%' + data['q'] + '%')).limit(20)
results = []
for result in query:
profile = result.profile
results.append({
"id": result.id,
"username": result.username,
"full_name": profile.full_name,
"followers_count": len(result.followers())
})
return {
"users": results
}
@bp.route('/username_availability/<username>')
@validate_access
def username_availability(self, username):
current = self.username
is_valid = is_username(username)
if is_valid:
try:
user = User.get(User.username == username)
is_available = current == user.username
except User.DoesNotExist:
is_available = True
else:
is_available = False
return {
'is_valid': is_valid,
'is_available': is_available
}
@bp.route('/edit_profile', methods=['POST'])
@validate_access
def edit_profile(user):
data = request.get_json(True)
username = data['username']
if not username:
# prevent username to be set to empty
username = user.username
if username != user.username:
try:
User.update(username=username).where(User.id == user.id).execute()
except IntegrityError:
raise ValueError('that username is already taken')
full_name = data['full_name'] or username
if full_name != user.full_name:
User.update(full_name=full_name).where(User.id == user.id).execute()
website = data['website'].strip().replace(' ', '%20')
if website and not validate_website(website):
raise ValueError('You should enter a valid URL.')
#location = int(request.form.get('location'))
#if location == 0:
# location = None
UserProfile.update(
biography=data['biography'],
#year=data['year'] if data.get('has_year') else None,
#location=location,
website=website,
instagram=data['instagram'],
facebook=data['facebook'],
telegram=data['telegram']
).where(UserProfile.user == user).execute()
return {}