9837026758
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1517420 13f79535-47bb-0310-9956-ffa450edef68
125 lines
4.8 KiB
Python
125 lines
4.8 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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# Pictures collection implementation
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from urllib import urlopen
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from util import *
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from atomutil import *
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from imgutil import *
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from sys import debug
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# Convert a particular user id to a picture id
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def pictureid(id):
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return ('accounts', id, 'user.picture')
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# Update the user's picture
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def put(id, picture, user, cache):
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debug('pictures.py::put::id', id)
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debug('pictures.py::put::picture', picture)
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picid = user.get(()) if isNull(id) else car(id)
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# Only the admin can update other user's pictures
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if picid != user.get(()) and user.get(()) != 'admin':
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debug('pictures.py::put', 'not owner or admin', user.get(()))
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return False
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# Get image and token from input picture
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def image(c):
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img = assoc("'image", c)
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return None if isNull(img) else urlto50x50jpeg(cadr(img))
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def token(c):
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tok = assoc("'token", c)
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return None if isNull(tok) else cadr(tok)
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img = image(content(picture))
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tok = token(content(picture))
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# Update the picture
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# Put with an upload token
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if not isNull(tok):
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debug('pictures.py::put::token', tok)
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# Token alone, store token with existing image, if any
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if isNull(img):
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epicture = cache.get(pictureid(picid))
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eimg = None if isNull(epicture) else image(content(epicture))
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if isNull(eimg):
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picentry = mkentry(title(picture), picid, picid, now(), ("'picture", ("'token", tok)))
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debug('pictures.py::put::picentry', picentry)
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return cache.put(pictureid(picid), picentry)
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debug('pictures.py::put::eimg', eimg)
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picentry = mkentry(title(picture), picid, picid, now(), ("'picture", ("'image", eimg), ("'token", tok)))
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debug('pictures.py::put::picentry', picentry)
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return cache.put(pictureid(picid), picentry)
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# Token plus image, put image if token is valid, removing the token
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debug('pictures.py::put::img', img)
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epicture = cache.get(pictureid(picid))
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etok = None if isNull(epicture) else token(content(epicture))
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debug('pictures.py::put::etok', etok)
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if isNull(etok) or tok != etok:
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debug('pictures.py::put', 'invalid token', tok)
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return False
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picentry = mkentry(title(picture), picid, picid, now(), ("'picture", ("'image", img)))
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debug('pictures.py::put::picentry', picentry)
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return cache.put(pictureid(picid), picentry)
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# Update picture image
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if not isNull(img):
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debug('pictures.py::put::img', img)
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picentry = mkentry(title(picture), picid, picid, now(), ("'picture", ("'image", img)))
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debug('pictures.py::put::picentry', picentry)
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return cache.put(pictureid(picid), picentry)
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# Put default empty picture
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picentry = mkentry(title(picture), picid, picid, now(), ())
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debug('pictures.py::put::picentry', picentry)
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return cache.put(pictureid(picid), picentry)
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# Get a user's picture
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def get(id, user, cache):
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debug('pictures.py::get::id', id)
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# Get the requested picture
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picid = user.get(()) if isNull(id) else car(id)
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picture = cache.get(pictureid(picid))
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if isNull(picture):
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return mkentry(picid, picid, picid, now(), ())
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# Get image and token from picture
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def image(c):
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img = assoc("'image", c)
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return None if isNull(img) else cadr(img)
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def token(c):
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tok = assoc("'token", c)
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return None if isNull(tok) else cadr(tok)
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img = image(content(picture))
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tok = token(content(picture))
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# Return the picture
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picc = (() if isNull(img) else (("'image", img),)) + (() if isNull(tok) or (user.get(()) != author(picture) and user.get(()) != 'admin') else (("'token", tok),))
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if isNull(picc):
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picentry = mkentry(title(picture), picid, author(picture), updated(picture), ())
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debug('pictures.py::get::picentry', picentry)
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return picentry
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picentry = mkentry(title(picture), picid, author(picture), updated(picture), ("'picture",) + picc)
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debug('pictures.py::get::picentry', picentry)
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return picentry
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