dify/api/controllers/service_api/dataset/dataset.py

92 lines
3.4 KiB
Python

from flask import request
from flask_restful import marshal, reqparse
import services.dataset_service
from controllers.service_api import api
from controllers.service_api.dataset.error import DatasetNameDuplicateError
from controllers.service_api.wraps import DatasetApiResource
from core.model_runtime.entities.model_entities import ModelType
from core.provider_manager import ProviderManager
from fields.dataset_fields import dataset_detail_fields
from libs.login import current_user
from models.dataset import Dataset
from services.dataset_service import DatasetService
def _validate_name(name):
if not name or len(name) < 1 or len(name) > 40:
raise ValueError('Name must be between 1 to 40 characters.')
return name
class DatasetApi(DatasetApiResource):
"""Resource for get datasets."""
def get(self, tenant_id):
page = request.args.get('page', default=1, type=int)
limit = request.args.get('limit', default=20, type=int)
provider = request.args.get('provider', default="vendor")
datasets, total = DatasetService.get_datasets(page, limit, provider,
tenant_id, current_user)
# check embedding setting
provider_manager = ProviderManager()
configurations = provider_manager.get_configurations(
tenant_id=current_user.current_tenant_id
)
embedding_models = configurations.get_models(
model_type=ModelType.TEXT_EMBEDDING,
only_active=True
)
model_names = []
for embedding_model in embedding_models:
model_names.append(f"{embedding_model.model}:{embedding_model.provider.provider}")
data = marshal(datasets, dataset_detail_fields)
for item in data:
if item['indexing_technique'] == 'high_quality':
item_model = f"{item['embedding_model']}:{item['embedding_model_provider']}"
if item_model in model_names:
item['embedding_available'] = True
else:
item['embedding_available'] = False
else:
item['embedding_available'] = True
response = {
'data': data,
'has_more': len(datasets) == limit,
'limit': limit,
'total': total,
'page': page
}
return response, 200
"""Resource for datasets."""
def post(self, tenant_id):
parser = reqparse.RequestParser()
parser.add_argument('name', nullable=False, required=True,
help='type is required. Name must be between 1 to 40 characters.',
type=_validate_name)
parser.add_argument('indexing_technique', type=str, location='json',
choices=Dataset.INDEXING_TECHNIQUE_LIST,
help='Invalid indexing technique.')
args = parser.parse_args()
try:
dataset = DatasetService.create_empty_dataset(
tenant_id=tenant_id,
name=args['name'],
indexing_technique=args['indexing_technique'],
account=current_user
)
except services.errors.dataset.DatasetNameDuplicateError:
raise DatasetNameDuplicateError()
return marshal(dataset, dataset_detail_fields), 200
api.add_resource(DatasetApi, '/datasets')