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86 lines
2.8 KiB
Python
86 lines
2.8 KiB
Python
from flask import request
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from flask_login import current_user
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from flask_restful import Resource, marshal_with
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import services
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from configs import dify_config
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from controllers.console import api
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from controllers.console.datasets.error import (
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FileTooLargeError,
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NoFileUploadedError,
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TooManyFilesError,
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UnsupportedFileTypeError,
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)
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from controllers.console.setup import setup_required
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from controllers.console.wraps import account_initialization_required, cloud_edition_billing_resource_check
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from fields.file_fields import file_fields, upload_config_fields
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from libs.login import login_required
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from services.file_service import ALLOWED_EXTENSIONS, UNSTRUCTURED_ALLOWED_EXTENSIONS, FileService
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PREVIEW_WORDS_LIMIT = 3000
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class FileApi(Resource):
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@setup_required
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@login_required
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@account_initialization_required
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@marshal_with(upload_config_fields)
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def get(self):
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file_size_limit = dify_config.UPLOAD_FILE_SIZE_LIMIT
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batch_count_limit = dify_config.UPLOAD_FILE_BATCH_LIMIT
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image_file_size_limit = dify_config.UPLOAD_IMAGE_FILE_SIZE_LIMIT
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return {
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"file_size_limit": file_size_limit,
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"batch_count_limit": batch_count_limit,
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"image_file_size_limit": image_file_size_limit,
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}, 200
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@setup_required
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@login_required
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@account_initialization_required
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@marshal_with(file_fields)
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@cloud_edition_billing_resource_check("documents")
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def post(self):
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# get file from request
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file = request.files["file"]
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# check file
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if "file" not in request.files:
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raise NoFileUploadedError()
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if len(request.files) > 1:
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raise TooManyFilesError()
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try:
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upload_file = FileService.upload_file(file, current_user)
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except services.errors.file.FileTooLargeError as file_too_large_error:
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raise FileTooLargeError(file_too_large_error.description)
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except services.errors.file.UnsupportedFileTypeError:
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raise UnsupportedFileTypeError()
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return upload_file, 201
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class FilePreviewApi(Resource):
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@setup_required
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@login_required
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@account_initialization_required
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def get(self, file_id):
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file_id = str(file_id)
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text = FileService.get_file_preview(file_id)
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return {"content": text}
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class FileSupportTypeApi(Resource):
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@setup_required
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@login_required
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@account_initialization_required
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def get(self):
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etl_type = dify_config.ETL_TYPE
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allowed_extensions = UNSTRUCTURED_ALLOWED_EXTENSIONS if etl_type == "Unstructured" else ALLOWED_EXTENSIONS
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return {"allowed_extensions": allowed_extensions}
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api.add_resource(FileApi, "/files/upload")
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api.add_resource(FilePreviewApi, "/files/<uuid:file_id>/preview")
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api.add_resource(FileSupportTypeApi, "/files/support-type")
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