def read_gridfs(id):
file = None
try:
file = gfs.get(id)
except Exception as e:
logger.debug('--read_gridfs--' + str(e))
return file
def count_template(filter):
count = None
try:
count = template_collection.count(filter)
logger.debug('--count_template--' + dumps(count))
except Exception as e:
logger.debug('--count_template--' + str(e))
return count
def count_user(filter):
count = None
try:
count = user_collection.count(filter)
logger.debug('--count_user--' + dumps(count))
except Exception as e:
logger.debug('--count_user--' + str(e))
return count
def get_template(id):
result = None
try:
result = template_collection.find_one({'_id': id})
logger.debug('--result--' + dumps(result))
except Exception as e:
logger.debug('--create_template--' + str(e))
return result
def exist_gridfs(id):
result = None
try:
result = gfs.exists({'_id': id})
logger.debug('--exist_gridfs--' + dumps(result))
except Exception as e:
logger.debug('--exist_gridfs--' + str(e))
return result
def get_image(id):
result = None
try:
result = image_collection.find_one({'_id': id})
logger.debug('--get_image--' + dumps(result))
except Exception as e:
logger.debug('--get_image--' + str(e))
return result
def count_image(id):
count = None
try:
count = image_collection.count({'_id': id})
logger.debug('--count_image--' + dumps(count))
except Exception as e:
logger.debug('--count_image--' + str(e))
return count
def convert_template_list_from_mongo(results):
objs = []
if results:
for result in results:
obj = convert_template_from_mongo(result)
objs.append(obj)
logger.debug('--objs--' + str(objs))
return objs
def store_fs(file):
fullname = None
if file:
try:
filename = file.filename
fullname = os.path.join(upload_dir, filename)
file.save(fullname)
except Exception as e:
logger.debug('--store_fs--' + str(e))
return fullname
def delete_image(id):
result = None
if exist_image(id):
try:
image_collection.delete_one({'_id': id})
if not exist_image(id):
result = True
except Exception as e:
logger.debug('--delete_image--' + str(e))
return result
def create():
request_data = request.json
logger.debug('--request_data--' + str(request_data))
result = create_user(request_data)
if not result:
return Response(status=500)
obj = convert_user_from_mongo(result)
response_data = json.dumps(obj)
logger.debug('--response_data--' + response_data)
resp = Response(response=response_data, status=201, content_type='application/json')
return resp
def delete():
request_data = request.json
logger.debug('--request_data--' + str(request_data))
id = request_data.get('id')
if not (id and ObjectId.is_valid(id)):
return Response(status=400)
result = delete_image(ObjectId(id))
if result:
return Response(status=204)
else:
return Response(status=202)
def create_image(data):
result = None
if data:
try:
obj = convert_image_from_json(data)
insert_result = image_collection.insert_one(obj)
id = insert_result.inserted_id
logger.debug('--id--' + str(id))
result = get_image(id)
except Exception as e:
logger.debug('--create_image--' + str(e))
return result
def delete_gridfs(id):
result = None
if not exist_gridfs(id):
result = False
else:
try:
gfs.delete(id)
if not exist_gridfs(id):
result = True
except Exception as e:
logger.debug('--delete_gridfs--' + str(e))
return result
def trim_regions():
request_data = request.json
logger.debug('--request_data--' + str(request_data))
id = request_data.get('id')
if not (id and ObjectId.is_valid(id)):
return Response(status=400)
result = trim_image_regions(ObjectId(id))
if result:
return Response(status=200)
else:
return Response(status=404)
def delete_template(id):
result = None
if not exist_template(id):
result = False
else:
try:
template_collection.delete_one({'_id': id})
if not exist_template(id):
result = True
except Exception as e:
logger.debug('--delete_template--' + str(e))
return result
def upload():
if 'file' not in request.files:
return Response(status=400)
file = request.files['file']
obj = store_gridfs(file)
if not obj:
return Response(status=500)
response_data = json.dumps(obj)
logger.debug('--response_data--' + response_data)
resp = Response(response=response_data, status=201, content_type='application/json')
return resp
def create_template(data):
result = None
if data:
try:
obj = convert_template_from_json(data)
obj['status'] = 'create'
insert_result = template_collection.insert_one(obj)
id = insert_result.inserted_id
logger.debug('--id--' + str(id))
result = get_template(id)
except Exception as e:
logger.debug('--create_template--' + str(e))
return result
def update_image(data):
result = None
if data:
try:
obj = convert_image_from_json(data)
id = obj.get('_id')
logger.debug('--id--' + str(id))
if exist_image(id):
del obj['_id']
image_collection.update_one({'_id': id}, {'$set': obj})
result = get_image(id)
except Exception as e:
logger.debug('--update_image--' + str(e))
return result
def trim_image_regions(id):
image = get_image(id)
if not image:
return False
kind = image.get('kind')
filename = image.get('filename')
extension = filename.split('.')[-1]
path = os.path.join(image_dir, kind, str(id), 'regions')
regions = image.get('regions')
if not regions:
return False
for region in regions:
logger.debug('--region--' + str(region))
try:
region_name = region.get('name') + '.' + extension
src_filename = os.path.join(path, region_name)
logger.debug('--src_filename--' + src_filename)
trim(src_filename, src_filename)
except Exception as e:
logger.debug('--trim_image_regions--' + str(e))
return False
try:
image_collection.update_one({'_id': id}, {'$set': {'status': 'trim'}})
except Exception as e:
logger.debug('--trim_image_regions--' + str(e))
return False
return True
def get():
id = request.args.get('id')
if not (id and ObjectId.is_valid(id)):
abort(400)
result = get_template(ObjectId(id))
if not result:
return Response(status=404)
obj = convert_template_from_mongo(result)
response_data = json.dumps(obj)
logger.debug('--response_data--' + response_data)
resp = Response(response=response_data, status=201, content_type='application/json')
return resp
def sign_in_user(data):
result = None
if data:
try:
username = data.get('username')
password = data.get('password')
if username and password:
existing_user = user_collection.find_one({'username': username})
hashed_password = existing_user['password']
if check_password(password, hashed_password):
result = existing_user
except Exception as e:
logger.debug('--sign_in_user--' + str(e))
return result
def prepare_image_regions(id):
image = get_image(id)
if not image:
return False
kind = image.get('kind')
if not kind:
return False
storage_id = image.get('storage_id')
file = read_gridfs(storage_id)
if not file:
return False
filename = file.filename
bytes = file.read()
template_id = image.get('template_id')
template = get_template(template_id)
if not template:
return False
regions = template.get('regions')
if not regions:
return False
path = os.path.join(image_dir, kind, str(id))
if not os.path.exists(path):
os.makedirs(path)
src_filename = os.path.join(path, filename)
logger.debug('--src_filename--' + src_filename)
f = open(src_filename, 'wb')
f.write(bytes)
f.close()
try:
image_collection.update_one({'_id': id}, {
'$set': {
'filename': filename,
'regions': regions,
'status': 'prepare'
}
})
except Exception as e:
logger.debug('--prepare_image_regions--' + str(e))
return False
return True
def create_user(data):
result = None
if data:
try:
obj = convert_user_from_json(data)
password = obj['password']
if password:
obj['password'] = encrypt_password(password)
obj['status'] = 'create'
insert_result = user_collection.insert_one(obj)
id = insert_result.inserted_id
logger.debug('--id--' + str(id))
result = get_user(id)
except Exception as e:
logger.debug('--create_user--' + str(e))
return result
def update():
request_data = request.json
logger.debug('--request_data--' + str(request_data))
id = request_data.get('id')
if not id:
abort(400)
result = update_user(request_data)
if not result:
return Response(status=500)
obj = convert_user_from_mongo(result)
response_data = json.dumps(obj)
logger.debug('--response_data--' + response_data)
resp = Response(response=response_data, status=200, content_type='application/json')
return resp
def create():
request_data = request.json
logger.debug('--request_data--' + str(request_data))
storage_id = request_data.get('storage_id')
if not storage_id:
abort(400)
result = create_template(request_data)
if not result:
return Response(status=500)
obj = convert_template_from_mongo(result)
response_data = json.dumps(obj)
logger.debug('--response_data--' + response_data)
resp = Response(response=response_data, status=201, content_type='application/json')
return resp
def list_template(filter, page_request):
offset = page_request.offset
sort = page_request.sort
size = page_request.size
result = None
cursor = template_collection.find(filter)
try:
if offset:
cursor.skip(offset)
if sort:
cursor.sort(sort)
if size:
cursor.limit(size)
result = list(cursor)
logger.debug('--list_template--' + dumps(result))
except Exception as e:
logger.debug('--list_template--' + str(e))
return result
def get(id, name):
if not (id and ObjectId.is_valid(id) and name):
return Response(status=400)
file = read_gridfs(ObjectId(id))
if not file:
return Response(status=404)
filename = file.filename
response_data = file.read()
content_type = file.content_type
length = file.length
logger.debug('--filename--' + filename)
resp = Response(response=response_data, status=200, content_type=content_type)
resp.headers['Content-Length'] = length
resp.headers['Content-Disposition'] = "inline; filename=" + str(filename.encode('utf-8'))
return resp
def store_gridfs(file):
obj = None
if file:
try:
filename = file.filename
extension = filename.split('.')[-1]
content_type = mimetypes.types_map['.' + extension]
id = gfs.put(file, filename=filename, content_type=content_type)
logger.debug('--id--' + str(id))
read_file = read_gridfs(id)
obj = {
'id': str(id),
'filename': read_file.filename,
'content_type': read_file.content_type,
'length': read_file.length
}
except Exception as e:
logger.debug('--store_gridfs--' + str(e))
return obj
def convert_image_from_json(data):
obj = {}
id = data.get('id')
if id and ObjectId.is_valid(id):
obj['_id'] = ObjectId(id)
user_id = data.get('user_id')
if user_id and ObjectId.is_valid(user_id):
obj['user_id'] = ObjectId(user_id)
kind = data.get('kind')
if kind:
obj['kind'] = kind
name = data.get('name')
if name:
obj['name'] = name
template_id = data.get('template_id')
if template_id and ObjectId.is_valid(template_id):
obj['template_id'] = ObjectId(template_id)
regions = data.get('regions')
if regions:
obj['regions'] = regions
storage_id = data.get('storage_id')
if storage_id and ObjectId.is_valid(storage_id):
obj['storage_id'] = ObjectId(storage_id)
filename = data.get('filename')
if filename:
obj['filename'] = filename
status = data.get('status')
if status:
obj['status'] = status
logger.debug('--obj--' + str(obj))
return obj
