def put(self, image_id):
params = self._get_validated_object_parameters(request.form)
# Get image and update it
db_img = data_engine.get_image(image_id=image_id)
if not db_img:
raise DoesNotExistError(str(image_id))
# Require edit permission or file admin
permissions_engine.ensure_folder_permitted(
db_img.folder,
FolderPermission.ACCESS_EDIT,
get_session_user()
)
old_title = db_img.title
old_description = db_img.description
db_img.title = params['title']
db_img.description = params['description']
data_engine.save_object(db_img)
# Get text changes. Max info length =
# 100 + 200 + len('()' + '()' + 'Title: ' + ' / ' + 'Description: ') ==> 327
title_diff = get_string_changes(old_title, params['title'], char_limit=100).strip()
if not title_diff:
# Try for deletions from title
title_diff = get_string_changes(params['title'], old_title, char_limit=100).strip()
if title_diff:
title_diff = '(' + title_diff + ')'
desc_diff = get_string_changes(
old_description, params['description'], char_limit=200
).strip()
if not desc_diff:
# Try for deletions from description
desc_diff = get_string_changes(
params['description'], old_description, char_limit=200
).strip()
if desc_diff:
desc_diff = '(' + desc_diff + ')'
info = ''
if title_diff:
info += 'Title: ' + title_diff
if info and desc_diff:
info += ' / '
if desc_diff:
info += 'Description: ' + desc_diff
# Add change history
data_engine.add_image_history(
db_img,
get_session_user(),
ImageHistory.ACTION_EDITED,
info
)
return make_api_success_response(object_to_dict(db_img))
def get(self, image_id):
db_img = data_engine.get_image(image_id=image_id)
if not db_img:
raise DoesNotExistError(str(image_id))
else:
# Require view permission or file admin
permissions_engine.ensure_folder_permitted(
db_img.folder,
FolderPermission.ACCESS_VIEW,
get_session_user()
)
return make_api_success_response(object_to_dict(db_img))
def imagedetails():
# Get/check parameters
try:
src = request.args.get('src', '')
validate_string(src, 1, 1024)
except ValueError as e:
raise ParameterError(e)
# Get the image database entry
db_image = auto_sync_file(src, data_engine, task_engine)
if not db_image or db_image.status == Image.STATUS_DELETED:
raise DoesNotExistError(src)
# Require view permission or file admin
permissions_engine.ensure_folder_permitted(
db_image.folder,
FolderPermission.ACCESS_VIEW,
get_session_user()
)
return make_api_success_response(_image_dict(db_image))
def imagelist():
# Check parameters
try:
from_path = request.args.get('path', '')
want_info = parse_boolean(request.args.get('attributes', ''))
limit = parse_int(request.args.get('limit', '1000'))
validate_string(from_path, 1, 1024)
except ValueError as e:
raise ParameterError(e)
# Get extra parameters for image URL construction
image_params = request.args.to_dict()
if 'path' in image_params:
del image_params['path']
if 'attributes' in image_params:
del image_params['attributes']
if 'limit' in image_params:
del image_params['limit']
# Get directory listing
directory_info = get_directory_listing(from_path, False, limit)
if not directory_info.exists():
raise DoesNotExistError('Invalid path')
ret_list = []
db_session = data_engine.db_get_session()
db_commit = False
try:
# Auto-populate the folders database
db_folder = auto_sync_folder(
from_path, data_engine, task_engine, _db_session=db_session
)
db_session.commit()
# Require view permission or file admin
permissions_engine.ensure_folder_permitted(
db_folder,
FolderPermission.ACCESS_VIEW,
get_session_user()
)
# Create the response
file_list = directory_info.contents()
img_types = image_engine.get_image_formats()
base_folder = add_sep(directory_info.name())
for f in file_list:
# Filter out non-images
if get_file_extension(f['filename']) in img_types:
entry_path = base_folder + f['filename']
entry = {
'filename': f['filename'],
'url': external_url_for('image', src=entry_path, **image_params)
}
if want_info:
db_entry = auto_sync_existing_file(
entry_path,
data_engine,
task_engine,
burst_pdf=False, # Don't burst a PDF just by finding it here
_db_session=db_session
)
entry['id'] = db_entry.id if db_entry else 0
entry['folder_id'] = db_entry.folder_id if db_entry else 0
entry['title'] = db_entry.title if db_entry else ''
entry['description'] = db_entry.description if db_entry else ''
entry['width'] = db_entry.width if db_entry else 0
entry['height'] = db_entry.height if db_entry else 0
ret_list.append(entry)
db_commit = True
finally:
try:
if db_commit:
db_session.commit()
else:
db_session.rollback()
finally:
db_session.close()
return make_api_success_response(ret_list)
