def edit(self):
user = self.request.user
form = Form(self.request,
schema=GallerySchema)
gallery = DBSession.query(Gallery).get(self.request.matchdict['id'])
roles = DBSession.query(Role).all()
if form.validate():
gallery.modified = datetime.now()
gallery.last_update_by = user.id
gallery.title = form.data['title']
gallery.description = form.data['description']
gallery.gallery_date = form.data['gallery_date']
#Need to make an object exists validator
temp_perms = []
for existing_gallery_permission in gallery.permission:
DBSession.delete(existing_gallery_permission)
for r_id in form.data['permissions']:
temp_perms.append(GalleryPermission(gallery_id = gallery.id,
role_id = r_id))
gallery.permission[:] = temp_perms
return HTTPFound(self.request.route_url('gallery_view', id=gallery.id))
return {'request' : self.request,
'gallery' : gallery,
'roles' : roles,
'form_rend' : FormRenderer(form)}
def get_user(request):
'''fetches the user. Used to attach a user object to the request'''
user = unauthenticated_userid(request)
if user is not None:
return DBSession.query(User).filter(User.user == user).first()
else:
return DBSession.query(User).filter(User.user == User.VISITOR).first()
def index(self):
user = self.request.user
years = range(2010, date.today().year + 1) + ['']
months = range(1, 13) + ['']
days = range(1, 32) + ['']
search_components = dict(years = zip(years, years),
months = zip(months, months),
days = zip(days, days),
)
if Role.GALLERY_ADMIN in user.role_ids:
query = DBSession.query(Gallery) \
.join(Gallery.creator_detail)
else:
authorized_galleries = DBSession.query(Gallery.id) \
.join(Gallery.permission) \
.filter(GalleryPermission.role_id.in_(user.role_ids)) \
.group_by(Gallery.id)
query = DBSession.query(Gallery) \
.join(Gallery.creator_detail) \
.filter(Gallery.id.in_(authorized_galleries))
galleries = self.__paginate__(query, order='gallery_date', sort='desc')
return {'galleries' : galleries,
'search_components' : search_components,
'filter_errors' : self.filter_errors,
'request' : self.request}
def rebuild_symlinks(self):
'''In certain situations where the symlinks are not correct, this
action can be used to rebuild them'''
#--------------
# ToDO
# - Exception handling in general
#--------------
gallery_id = self.request.POST['id']
gallery = DBSession.query(Gallery).get(gallery_id)
#Remove the directory
directory_path = path.join(self.request.registry.settings['gallery.directory'], gallery.directory_name)
shutil.rmtree(directory_path, True)
#Recreate the directory tree for the gallery
gallery_directory = self.request.registry.settings['gallery.directory']
mkdir(path.join(gallery_directory, gallery.directory_name))
mkdir(path.join(gallery_directory, gallery.directory_name, 'raw'))
mkdir(path.join(gallery_directory, gallery.directory_name, 'thumbs'))
mkdir(path.join(gallery_directory, gallery.directory_name, 'web'))
#Loop through the images in the gallery and recreate the symlinks
for media in gallery.media:
for sub_directory in ['raw', 'web', 'thumbs']:
sym_path = path.join(
self.request.registry.settings['gallery.directory'],
gallery.directory_name, sub_directory, media.file_name)
media_path = path.join(
self.request.registry.settings['gallery.directory'],
sub_directory, media.file_name)
os.symlink(media_path,sym_path)
return HTTPFound(location=self.request.route_url('gallery_index'))
def new(self):
user = self.request.user
form = Form(self.request,
schema=GallerySchema)
if form.validate():
#Generate a name for the new directory. Check if it exists.
new_directory_name = None
while not new_directory_name or (DBSession.query(Gallery).filter(Gallery.directory_name == new_directory_name).first()):
new_directory_name = ''.join(random.choice(string.ascii_uppercase + string.digits) for x in range(12))
gallery_directory = self.request.registry.settings['gallery.directory']
mkdir(path.join(gallery_directory, new_directory_name))
mkdir(path.join(gallery_directory, new_directory_name, 'raw'))
mkdir(path.join(gallery_directory, new_directory_name, 'thumbs'))
mkdir(path.join(gallery_directory, new_directory_name, 'web'))
data = form.data.copy()
data['directory_name'] = new_directory_name
data['created'] = datetime.now()
data['creator'] = user.id
#temporary
del data['permissions']
gallery = Gallery(**data)
DBSession.add(gallery)
DBSession.flush()
return HTTPFound(self.request.route_url('gallery_view', id=gallery.id))
return {'request' : self.request,
'form_rend' : FormRenderer(form)}
def get(cls, gallery_id, user):
gallery = DBSession.query(cls) \
.join(GalleryPermission) \
.filter(and_(
cls.id == gallery_id,
GalleryPermission.role_id.in_(user.role_ids))).first()
return gallery
def restore(self):
medium_id = self.request.matchdict['medium_id']
medium = DBSession.query(Medium).get(medium_id)
original_path = path.join(
self.request.registry.settings['gallery.directory'],
'original', medium.file_name)
raw_path = path.join(
self.request.registry.settings['gallery.directory'],
'raw', medium.file_name)
web_path = path.join(
self.request.registry.settings['gallery.directory'],
'web', medium.file_name)
thumb_path = path.join(
self.request.registry.settings['gallery.directory'],
'thumbs', medium.file_name)
try:
with open(original_path, 'r') as original_raw:
original_media = Image.open(original_raw)
#restore thumb version
thumb_media = original_media.copy()
thumb_media.thumbnail((150, 150))
thumb_media.save(thumb_path)
#restore web version
web_media = original_media.copy()
web_media.thumbnail((800, 800))
web_media.save(web_path)
#restore raw
original_media.save(raw_path)
except:
raise
return Response('error')
else:
return Response('ok')
def get(cls, medium_id, user):
medium = DBSession.query(cls) \
.join(Gallery, GalleryPermission) \
.filter(and_(
cls.id == medium_id,
GalleryPermission.role_id.in_(user.role_ids))).first()
return medium
def home(request):
entry_level = ["NP"]
if request.user and (request.user.check_role(Role.FAMILY) or request.user.check_role(Role.FRIENDS)):
entry_level.append("RT")
if request.user and request.user.check_role(Role.OWNER):
entry_level.append("PS")
entries = DBSession.query(Entry).filter(Entry.entry_type.in_(entry_level)).order_by(desc(Entry.date)).limit(4).all()
return {"entries": entries}
def index(self):
#Generate the supporting data for the search form
years = range(2010, date.today().year + 1) + ['']
months = range(1, 13) + ['']
days = range(1, 32) + ['']
entry_types = [(i.id, i.description) for i in DBSession.query(EntryType).all()] + [('', '')]
search_components = dict(years = zip(years, years),
months = zip(months, months),
days = zip(days, days),
entry_types = entry_types
)
query = DBSession.query(Entry) \
.join(EntryType)
entries = self.__paginate__(query, order='date', sort='desc')
return {'entries' : entries,
'search_components' : search_components,
'filter_errors' : self.filter_errors,
'request' : self.request}
def __check_file_existance(self):
'''Check if a file possibly exists in the file system. If it does then
append a short unique identifier to make the name unique.'''
#First check the Media table to see if it present. We will onlygg allow
# the name to occur once.
medium = (DBSession.query(Medium)
.filter(Medium.file_name == self.upload_full_name)
.first())
if medium:
uid = '__' + str(uuid.uuid4())[0:8]
self.upload_full_name = self.upload_name + uid + self.upload_extension
def update_ajax(self):
form = Form(self.request,
schema=MediaNewSchema)
if form.validate():
medium = DBSession.query(Medium).get(form.data['id'])
medium.title = form.data['title']
medium.description = form.data['description']
return Response('ok', status_int=200)
else:
return Response('error', status_int=400)
def edit(self):
entry_id = self.request.matchdict['id']
entry = DBSession.query(Entry).get(entry_id)
entry_types = list((i.id, i.description) for i in DBSession.query(EntryType).all())
entry_types.append(('', ''))
form = Form(self.request,
schema=EntrySchema,
obj=entry)
if form.validate():
#TODO: This would be nice
#entry.update(**form.data)
entry.title = form.data['title']
entry.entry_type= form.data['entry_type']
entry.entry = form.data['entry']
return HTTPFound(location="/")
return {'request' : self.request,
'entry' : entry,
'entry_types' : entry_types,
'form_rend' : FormRenderer(form)}
def view(self):
gallery = Gallery.get(self.request.matchdict['id'], self.request.user)
if gallery:
media_query = DBSession.query(Medium).filter(
Medium.gallery_id == gallery.id)
media = self.__paginate__(
media_query, order='medium_created', sort='desc')
return {'request' : self.request,
'gallery' : gallery,
'media' : media}
else:
self.request.session.flash('Gallery not found')
return HTTPFound(location=self.request.route_url('home'))
def new(self):
entry_types = list((i.id, i.description) for i in DBSession.query(EntryType).all())
entry_types.append(('', ''))
form = Form(self.request,
schema=EntrySchema)
if form.validate():
data = form.data.copy()
data['date'] = datetime.now()
DBSession.add(Entry(**data))
return HTTPFound(location="/")
return {'request' : self.request,
'entry_types' : entry_types,
'form_rend' : FormRenderer(form)}
def delete(self):
medium_id = self.request.POST['id']
medium = DBSession.query(Medium).get(medium_id)
#build the paths to delete
phy_path = self.request.registry.settings['gallery.directory']
sym_path = path.join(self.request.registry.settings['gallery.directory'], medium.gallery.directory_name)
paths = [path.join(phy_path,'raw',medium.file_name),
path.join(phy_path,'original',medium.file_name),
path.join(phy_path,'thumbs',medium.file_name),
path.join(phy_path,'web',medium.file_name),
path.join(sym_path,'raw',medium.file_name),
path.join(sym_path,'thumbs',medium.file_name),
path.join(sym_path,'web',medium.file_name)]
for file_path in paths:
remove(file_path)
DBSession.delete(medium)
return Response('ok')
def rotate(self):
#TODO: Need to get a media type flag in the media table
medium_id = self.request.matchdict['medium_id']
direction = int(self.request.POST.get('direction'))
if direction % 90 != 0:
raise ValueError
medium = DBSession.query(Medium).get(medium_id)
lock_path = path.join(
self.request.registry.settings['gallery.directory'],
'gallery.lock')
medium_path = path.join(
self.request.registry.settings['gallery.directory'],
'raw', medium.file_name)
web_path = path.join(
self.request.registry.settings['gallery.directory'],
'web', medium.file_name)
thumb_path = path.join(
self.request.registry.settings['gallery.directory'],
'thumbs', medium.file_name)
try:
with open(lock_path, 'a') as lock:
fcntl.flock(lock, fcntl.LOCK_EX | fcntl.LOCK_NB)
with open(medium_path, 'r') as original_raw:
#create lock
fcntl.flock(original_raw, fcntl.LOCK_EX | fcntl.LOCK_NB)
original_media = Image.open(original_raw)
rotated_media = original_media.rotate(direction)
thumb_media = rotated_media.copy()
web_media = rotated_media.copy()
rotated_media.save(medium_path)
#save the thumb version
thumb_media.thumbnail((150, 150))
thumb_media.save(thumb_path)
#save the web version
web_media.thumbnail((800, 800))
web_media.save(web_path)
#release the lock
fcntl.flock(original_raw, fcntl.LOCK_UN)
fcntl.flock(lock, fcntl.LOCK_UN)
except:
raise
return Response('error')
else:
return Response('ok')
def upload(self):
#--------------
# ToDO
# - Better exception handling
# - Add cleanup when exception occurs
# - Remove any files that were uploaded, but be careful about errors
# that occur because the file already exists.
# - Remove media record if it exists.
# - Add support for PNG?
# - Videos?
#--------------
#check the directory in the request against the Gallery directory
user = self.request.user
gallery = DBSession.query(Gallery).get(self.request.POST['id'])
if not gallery or gallery.directory_name != self.request.POST['dir']:
return Response(status_int=409)
try:
self.__sanitize_file_name(self.request.POST['Filename'])
self.__check_file_existance()
#sys.exit()
input_file = self.request.POST['Filedata'].file
self.__save_jpeg(input_file, gallery, 'original', create_symlink = False)
self.__save_jpeg(input_file, gallery, 'raw')
self.__save_jpeg(input_file, gallery, 'thumbs', 150)
self.__save_jpeg(input_file, gallery, 'web', 800)
except UploadError:
return Response(status_int=409)
except:
return Response(status_int=409)
#add database record
medium = Medium(file_name = self.upload_full_name,
created = datetime.now(),
creator = user.id,
gallery_id = gallery.id,
media_type = MediumType.IMAGE)
DBSession.add(medium)
return Response('ok', status_int=200)
def delete(self):
gallery_id = self.request.POST['id']
gallery = DBSession.query(Gallery).get(gallery_id)
#Check if the gallery is empty
if len(gallery.media):
self.request.session.flash('Gallery %s is not empty. Only empty galleries can be deleted' % gallery.title)
return HTTPFound(location=self.request.route_url('gallery_index'))
#Get the paths
directory_path = path.join(self.request.registry.settings['gallery.directory'], gallery.directory_name)
paths = [path.join(directory_path,'thumbs'),
path.join(directory_path,'web'),
path.join(directory_path,'raw'),
path.join(directory_path)]
#Delete the paths
for dir_path in paths:
rmdir(dir_path)
#Delete the database record
DBSession.delete(gallery)
self.request.session.flash('Gallery %s was deleted' % gallery.title)
return HTTPFound(location=self.request.route_url('gallery_index'))
def view(self):
query = DBSession.query(Entry) \
.filter(Entry.id == self.request.matchdict['id'])
entry = query.first()
return {'entry' : entry,
'request' : self.request}
def delete(self):
entry_id = self.request.POST['id']
entry = DBSession.query(Entry).get(entry_id)
self.request.session.flash('Deleted "%s" entry' % entry.title)
DBSession.delete(entry)
return HTTPFound(location=self.request.route_url('entry_index'))
def user_check(user, request):
'''callback for the authentication policy'''
user = DBSession.query(User).filter(User.user == user,
).first()
return [(role.name) for role in user.roles] if user else None
def user_validate(cls, user, password):
return DBSession.query(cls).filter(and_(cls.user == user,
cls.password == func.password(password))).first()