api/controllers/console/datasets/datasets.py

import flask_restful
from flask import request
from flask_login import current_user
from flask_restful import Resource, marshal, marshal_with, reqparse
from werkzeug.exceptions import Forbidden, NotFound

import services
from configs import dify_config
from controllers.console import api
from controllers.console.apikey import api_key_fields, api_key_list
from controllers.console.app.error import ProviderNotInitializeError
from controllers.console.datasets.error import DatasetInUseError, DatasetNameDuplicateError, IndexingEstimateError
from controllers.console.wraps import account_initialization_required, setup_required
from core.errors.error import LLMBadRequestError, ProviderTokenNotInitError
from core.indexing_runner import IndexingRunner
from core.model_runtime.entities.model_entities import ModelType
from core.provider_manager import ProviderManager
from core.rag.datasource.vdb.vector_type import VectorType
from core.rag.extractor.entity.extract_setting import ExtractSetting
from core.rag.retrieval.retrieval_methods import RetrievalMethod
from extensions.ext_database import db
from fields.app_fields import related_app_list
from fields.dataset_fields import dataset_detail_fields, dataset_query_detail_fields
from fields.document_fields import document_status_fields
from libs.login import login_required
from models import ApiToken, Dataset, Document, DocumentSegment, UploadFile
from models.dataset import DatasetPermissionEnum
from services.dataset_service import DatasetPermissionService, DatasetService, DocumentService


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


def _validate_description_length(description):
    if len(description) > 400:
        raise ValueError("Description cannot exceed 400 characters.")
    return description


class DatasetListApi(Resource):
    @setup_required
    @login_required
    @account_initialization_required
    def get(self):
        page = request.args.get("page", default=1, type=int)
        limit = request.args.get("limit", default=20, type=int)
        ids = request.args.getlist("ids")
        # provider = request.args.get("provider", default="vendor")
        search = request.args.get("keyword", default=None, type=str)
        tag_ids = request.args.getlist("tag_ids")

        if ids:
            datasets, total = DatasetService.get_datasets_by_ids(ids, current_user.current_tenant_id)
        else:
            datasets, total = DatasetService.get_datasets(
                page, limit, current_user.current_tenant_id, current_user, search, tag_ids
            )

        # 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

            if item.get("permission") == "partial_members":
                part_users_list = DatasetPermissionService.get_dataset_partial_member_list(item["id"])
                item.update({"partial_member_list": part_users_list})
            else:
                item.update({"partial_member_list": []})

        response = {"data": data, "has_more": len(datasets) == limit, "limit": limit, "total": total, "page": page}
        return response, 200

    @setup_required
    @login_required
    @account_initialization_required
    def post(self):
        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(
            "description",
            type=str,
            nullable=True,
            required=False,
            default="",
        )
        parser.add_argument(
            "indexing_technique",
            type=str,
            location="json",
            choices=Dataset.INDEXING_TECHNIQUE_LIST,
            nullable=True,
            help="Invalid indexing technique.",
        )
        parser.add_argument(
            "external_knowledge_api_id",
            type=str,
            nullable=True,
            required=False,
        )
        parser.add_argument(
            "provider",
            type=str,
            nullable=True,
            choices=Dataset.PROVIDER_LIST,
            required=False,
            default="vendor",
        )
        parser.add_argument(
            "external_knowledge_id",
            type=str,
            nullable=True,
            required=False,
        )
        args = parser.parse_args()

        # The role of the current user in the ta table must be admin, owner, or editor, or dataset_operator
        if not current_user.is_dataset_editor:
            raise Forbidden()

        try:
            dataset = DatasetService.create_empty_dataset(
                tenant_id=current_user.current_tenant_id,
                name=args["name"],
                description=args["description"],
                indexing_technique=args["indexing_technique"],
                account=current_user,
                permission=DatasetPermissionEnum.ONLY_ME,
                provider=args["provider"],
                external_knowledge_api_id=args["external_knowledge_api_id"],
                external_knowledge_id=args["external_knowledge_id"],
            )
        except services.errors.dataset.DatasetNameDuplicateError:
            raise DatasetNameDuplicateError()

        return marshal(dataset, dataset_detail_fields), 201


class DatasetApi(Resource):
    @setup_required
    @login_required
    @account_initialization_required
    def get(self, dataset_id):
        dataset_id_str = str(dataset_id)
        dataset = DatasetService.get_dataset(dataset_id_str)
        if dataset is None:
            raise NotFound("Dataset not found.")
        try:
            DatasetService.check_dataset_permission(dataset, current_user)
        except services.errors.account.NoPermissionError as e:
            raise Forbidden(str(e))
        data = marshal(dataset, dataset_detail_fields)
        if data.get("permission") == "partial_members":
            part_users_list = DatasetPermissionService.get_dataset_partial_member_list(dataset_id_str)
            data.update({"partial_member_list": part_users_list})

        # 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}")

        if data["indexing_technique"] == "high_quality":
            item_model = f"{data['embedding_model']}:{data['embedding_model_provider']}"
            if item_model in model_names:
                data["embedding_available"] = True
            else:
                data["embedding_available"] = False
        else:
            data["embedding_available"] = True

        if data.get("permission") == "partial_members":
            part_users_list = DatasetPermissionService.get_dataset_partial_member_list(dataset_id_str)
            data.update({"partial_member_list": part_users_list})

        return data, 200

    @setup_required
    @login_required
    @account_initialization_required
    def patch(self, dataset_id):
        dataset_id_str = str(dataset_id)
        dataset = DatasetService.get_dataset(dataset_id_str)
        if dataset is None:
            raise NotFound("Dataset not found.")

        parser = reqparse.RequestParser()
        parser.add_argument(
            "name",
            nullable=False,
            help="type is required. Name must be between 1 to 40 characters.",
            type=_validate_name,
        )
        parser.add_argument("description", location="json", store_missing=False, type=_validate_description_length)
        parser.add_argument(
            "indexing_technique",
            type=str,
            location="json",
            choices=Dataset.INDEXING_TECHNIQUE_LIST,
            nullable=True,
            help="Invalid indexing technique.",
        )
        parser.add_argument(
            "permission",
            type=str,
            location="json",
            choices=(DatasetPermissionEnum.ONLY_ME, DatasetPermissionEnum.ALL_TEAM, DatasetPermissionEnum.PARTIAL_TEAM),
            help="Invalid permission.",
        )
        parser.add_argument("embedding_model", type=str, location="json", help="Invalid embedding model.")
        parser.add_argument(
            "embedding_model_provider", type=str, location="json", help="Invalid embedding model provider."
        )
        parser.add_argument("retrieval_model", type=dict, location="json", help="Invalid retrieval model.")
        parser.add_argument("partial_member_list", type=list, location="json", help="Invalid parent user list.")

        parser.add_argument(
            "external_retrieval_model",
            type=dict,
            required=False,
            nullable=True,
            location="json",
            help="Invalid external retrieval model.",
        )

        parser.add_argument(
            "external_knowledge_id",
            type=str,
            required=False,
            nullable=True,
            location="json",
            help="Invalid external knowledge id.",
        )

        parser.add_argument(
            "external_knowledge_api_id",
            type=str,
            required=False,
            nullable=True,
            location="json",
            help="Invalid external knowledge api id.",
        )
        args = parser.parse_args()
        data = request.get_json()

        # check embedding model setting
        if data.get("indexing_technique") == "high_quality":
            DatasetService.check_embedding_model_setting(
                dataset.tenant_id, data.get("embedding_model_provider"), data.get("embedding_model")
            )

        # The role of the current user in the ta table must be admin, owner, editor, or dataset_operator
        DatasetPermissionService.check_permission(
            current_user, dataset, data.get("permission"), data.get("partial_member_list")
        )

        dataset = DatasetService.update_dataset(dataset_id_str, args, current_user)

        if dataset is None:
            raise NotFound("Dataset not found.")

        result_data = marshal(dataset, dataset_detail_fields)
        tenant_id = current_user.current_tenant_id

        if data.get("partial_member_list") and data.get("permission") == "partial_members":
            DatasetPermissionService.update_partial_member_list(
                tenant_id, dataset_id_str, data.get("partial_member_list")
            )
        # clear partial member list when permission is only_me or all_team_members
        elif (
            data.get("permission") == DatasetPermissionEnum.ONLY_ME
            or data.get("permission") == DatasetPermissionEnum.ALL_TEAM
        ):
            DatasetPermissionService.clear_partial_member_list(dataset_id_str)

        partial_member_list = DatasetPermissionService.get_dataset_partial_member_list(dataset_id_str)
        result_data.update({"partial_member_list": partial_member_list})

        return result_data, 200

    @setup_required
    @login_required
    @account_initialization_required
    def delete(self, dataset_id):
        dataset_id_str = str(dataset_id)

        # The role of the current user in the ta table must be admin, owner, or editor
        if not current_user.is_editor or current_user.is_dataset_operator:
            raise Forbidden()

        try:
            if DatasetService.delete_dataset(dataset_id_str, current_user):
                DatasetPermissionService.clear_partial_member_list(dataset_id_str)
                return {"result": "success"}, 204
            else:
                raise NotFound("Dataset not found.")
        except services.errors.dataset.DatasetInUseError:
            raise DatasetInUseError()


class DatasetUseCheckApi(Resource):
    @setup_required
    @login_required
    @account_initialization_required
    def get(self, dataset_id):
        dataset_id_str = str(dataset_id)

        dataset_is_using = DatasetService.dataset_use_check(dataset_id_str)
        return {"is_using": dataset_is_using}, 200


class DatasetQueryApi(Resource):
    @setup_required
    @login_required
    @account_initialization_required
    def get(self, dataset_id):
        dataset_id_str = str(dataset_id)
        dataset = DatasetService.get_dataset(dataset_id_str)
        if dataset is None:
            raise NotFound("Dataset not found.")

        try:
            DatasetService.check_dataset_permission(dataset, current_user)
        except services.errors.account.NoPermissionError as e:
            raise Forbidden(str(e))

        page = request.args.get("page", default=1, type=int)
        limit = request.args.get("limit", default=20, type=int)

        dataset_queries, total = DatasetService.get_dataset_queries(dataset_id=dataset.id, page=page, per_page=limit)

        response = {
            "data": marshal(dataset_queries, dataset_query_detail_fields),
            "has_more": len(dataset_queries) == limit,
            "limit": limit,
            "total": total,
            "page": page,
        }
        return response, 200


class DatasetIndexingEstimateApi(Resource):
    @setup_required
    @login_required
    @account_initialization_required
    def post(self):
        parser = reqparse.RequestParser()
        parser.add_argument("info_list", type=dict, required=True, nullable=True, location="json")
        parser.add_argument("process_rule", type=dict, required=True, nullable=True, location="json")
        parser.add_argument(
            "indexing_technique",
            type=str,
            required=True,
            choices=Dataset.INDEXING_TECHNIQUE_LIST,
            nullable=True,
            location="json",
        )
        parser.add_argument("doc_form", type=str, default="text_model", required=False, nullable=False, location="json")
        parser.add_argument("dataset_id", type=str, required=False, nullable=False, location="json")
        parser.add_argument(
            "doc_language", type=str, default="English", required=False, nullable=False, location="json"
        )
        args = parser.parse_args()
        # validate args
        DocumentService.estimate_args_validate(args)
        extract_settings = []
        if args["info_list"]["data_source_type"] == "upload_file":
            file_ids = args["info_list"]["file_info_list"]["file_ids"]
            file_details = (
                db.session.query(UploadFile)
                .filter(UploadFile.tenant_id == current_user.current_tenant_id, UploadFile.id.in_(file_ids))
                .all()
            )

            if file_details is None:
                raise NotFound("File not found.")

            if file_details:
                for file_detail in file_details:
                    extract_setting = ExtractSetting(
                        datasource_type="upload_file", upload_file=file_detail, document_model=args["doc_form"]
                    )
                    extract_settings.append(extract_setting)
        elif args["info_list"]["data_source_type"] == "notion_import":
            notion_info_list = args["info_list"]["notion_info_list"]
            for notion_info in notion_info_list:
                workspace_id = notion_info["workspace_id"]
                for page in notion_info["pages"]:
                    extract_setting = ExtractSetting(
                        datasource_type="notion_import",
                        notion_info={
                            "notion_workspace_id": workspace_id,
                            "notion_obj_id": page["page_id"],
                            "notion_page_type": page["type"],
                            "tenant_id": current_user.current_tenant_id,
                        },
                        document_model=args["doc_form"],
                    )
                    extract_settings.append(extract_setting)
        elif args["info_list"]["data_source_type"] == "website_crawl":
            website_info_list = args["info_list"]["website_info_list"]
            for url in website_info_list["urls"]:
                extract_setting = ExtractSetting(
                    datasource_type="website_crawl",
                    website_info={
                        "provider": website_info_list["provider"],
                        "job_id": website_info_list["job_id"],
                        "url": url,
                        "tenant_id": current_user.current_tenant_id,
                        "mode": "crawl",
                        "only_main_content": website_info_list["only_main_content"],
                    },
                    document_model=args["doc_form"],
                )
                extract_settings.append(extract_setting)
        else:
            raise ValueError("Data source type not support")
        indexing_runner = IndexingRunner()
        try:
            response = indexing_runner.indexing_estimate(
                current_user.current_tenant_id,
                extract_settings,
                args["process_rule"],
                args["doc_form"],
                args["doc_language"],
                args["dataset_id"],
                args["indexing_technique"],
            )
        except LLMBadRequestError:
            raise ProviderNotInitializeError(
                "No Embedding Model available. Please configure a valid provider " "in the Settings -> Model Provider."
            )
        except ProviderTokenNotInitError as ex:
            raise ProviderNotInitializeError(ex.description)
        except Exception as e:
            raise IndexingEstimateError(str(e))

        return response, 200


class DatasetRelatedAppListApi(Resource):
    @setup_required
    @login_required
    @account_initialization_required
    @marshal_with(related_app_list)
    def get(self, dataset_id):
        dataset_id_str = str(dataset_id)
        dataset = DatasetService.get_dataset(dataset_id_str)
        if dataset is None:
            raise NotFound("Dataset not found.")

        try:
            DatasetService.check_dataset_permission(dataset, current_user)
        except services.errors.account.NoPermissionError as e:
            raise Forbidden(str(e))

        app_dataset_joins = DatasetService.get_related_apps(dataset.id)

        related_apps = []
        for app_dataset_join in app_dataset_joins:
            app_model = app_dataset_join.app
            if app_model:
                related_apps.append(app_model)

        return {"data": related_apps, "total": len(related_apps)}, 200


class DatasetIndexingStatusApi(Resource):
    @setup_required
    @login_required
    @account_initialization_required
    def get(self, dataset_id):
        dataset_id = str(dataset_id)
        documents = (
            db.session.query(Document)
            .filter(Document.dataset_id == dataset_id, Document.tenant_id == current_user.current_tenant_id)
            .all()
        )
        documents_status = []
        for document in documents:
            completed_segments = DocumentSegment.query.filter(
                DocumentSegment.completed_at.isnot(None),
                DocumentSegment.document_id == str(document.id),
                DocumentSegment.status != "re_segment",
            ).count()
            total_segments = DocumentSegment.query.filter(
                DocumentSegment.document_id == str(document.id), DocumentSegment.status != "re_segment"
            ).count()
            document.completed_segments = completed_segments
            document.total_segments = total_segments
            documents_status.append(marshal(document, document_status_fields))
        data = {"data": documents_status}
        return data


class DatasetApiKeyApi(Resource):
    max_keys = 10
    token_prefix = "dataset-"
    resource_type = "dataset"

    @setup_required
    @login_required
    @account_initialization_required
    @marshal_with(api_key_list)
    def get(self):
        keys = (
            db.session.query(ApiToken)
            .filter(ApiToken.type == self.resource_type, ApiToken.tenant_id == current_user.current_tenant_id)
            .all()
        )
        return {"items": keys}

    @setup_required
    @login_required
    @account_initialization_required
    @marshal_with(api_key_fields)
    def post(self):
        # The role of the current user in the ta table must be admin or owner
        if not current_user.is_admin_or_owner:
            raise Forbidden()

        current_key_count = (
            db.session.query(ApiToken)
            .filter(ApiToken.type == self.resource_type, ApiToken.tenant_id == current_user.current_tenant_id)
            .count()
        )

        if current_key_count >= self.max_keys:
            flask_restful.abort(
                400,
                message=f"Cannot create more than {self.max_keys} API keys for this resource type.",
                code="max_keys_exceeded",
            )

        key = ApiToken.generate_api_key(self.token_prefix, 24)
        api_token = ApiToken()
        api_token.tenant_id = current_user.current_tenant_id
        api_token.token = key
        api_token.type = self.resource_type
        db.session.add(api_token)
        db.session.commit()
        return api_token, 200


class DatasetApiDeleteApi(Resource):
    resource_type = "dataset"

    @setup_required
    @login_required
    @account_initialization_required
    def delete(self, api_key_id):
        api_key_id = str(api_key_id)

        # The role of the current user in the ta table must be admin or owner
        if not current_user.is_admin_or_owner:
            raise Forbidden()

        key = (
            db.session.query(ApiToken)
            .filter(
                ApiToken.tenant_id == current_user.current_tenant_id,
                ApiToken.type == self.resource_type,
                ApiToken.id == api_key_id,
            )
            .first()
        )

        if key is None:
            flask_restful.abort(404, message="API key not found")

        db.session.query(ApiToken).filter(ApiToken.id == api_key_id).delete()
        db.session.commit()

        return {"result": "success"}, 204


class DatasetApiBaseUrlApi(Resource):
    @setup_required
    @login_required
    @account_initialization_required
    def get(self):
        return {"api_base_url": (dify_config.SERVICE_API_URL or request.host_url.rstrip("/")) + "/v1"}


class DatasetRetrievalSettingApi(Resource):
    @setup_required
    @login_required
    @account_initialization_required
    def get(self):
        vector_type = dify_config.VECTOR_STORE
        match vector_type:
            case (
                VectorType.MILVUS
                | VectorType.RELYT
                | VectorType.PGVECTOR
                | VectorType.TIDB_VECTOR
                | VectorType.CHROMA
                | VectorType.TENCENT
                | VectorType.PGVECTO_RS
                | VectorType.BAIDU
                | VectorType.VIKINGDB
                | VectorType.UPSTASH
                | VectorType.OCEANBASE
            ):
                return {"retrieval_method": [RetrievalMethod.SEMANTIC_SEARCH.value]}
            case (
                VectorType.QDRANT
                | VectorType.WEAVIATE
                | VectorType.OPENSEARCH
                | VectorType.ANALYTICDB
                | VectorType.MYSCALE
                | VectorType.ORACLE
                | VectorType.ELASTICSEARCH
                | VectorType.PGVECTOR
                | VectorType.TIDB_ON_QDRANT
                | VectorType.LINDORM
                | VectorType.COUCHBASE
            ):
                return {
                    "retrieval_method": [
                        RetrievalMethod.SEMANTIC_SEARCH.value,
                        RetrievalMethod.FULL_TEXT_SEARCH.value,
                        RetrievalMethod.HYBRID_SEARCH.value,
                    ]
                }
            case _:
                raise ValueError(f"Unsupported vector db type {vector_type}.")


class DatasetRetrievalSettingMockApi(Resource):
    @setup_required
    @login_required
    @account_initialization_required
    def get(self, vector_type):
        match vector_type:
            case (
                VectorType.MILVUS
                | VectorType.RELYT
                | VectorType.TIDB_VECTOR
                | VectorType.CHROMA
                | VectorType.TENCENT
                | VectorType.PGVECTO_RS
                | VectorType.BAIDU
                | VectorType.VIKINGDB
                | VectorType.UPSTASH
                | VectorType.OCEANBASE
            ):
                return {"retrieval_method": [RetrievalMethod.SEMANTIC_SEARCH.value]}
            case (
                VectorType.QDRANT
                | VectorType.WEAVIATE
                | VectorType.OPENSEARCH
                | VectorType.ANALYTICDB
                | VectorType.MYSCALE
                | VectorType.ORACLE
                | VectorType.ELASTICSEARCH
                | VectorType.COUCHBASE
                | VectorType.PGVECTOR
                | VectorType.LINDORM
            ):
                return {
                    "retrieval_method": [
                        RetrievalMethod.SEMANTIC_SEARCH.value,
                        RetrievalMethod.FULL_TEXT_SEARCH.value,
                        RetrievalMethod.HYBRID_SEARCH.value,
                    ]
                }
            case _:
                raise ValueError(f"Unsupported vector db type {vector_type}.")


class DatasetErrorDocs(Resource):
    @setup_required
    @login_required
    @account_initialization_required
    def get(self, dataset_id):
        dataset_id_str = str(dataset_id)
        dataset = DatasetService.get_dataset(dataset_id_str)
        if dataset is None:
            raise NotFound("Dataset not found.")
        results = DocumentService.get_error_documents_by_dataset_id(dataset_id_str)

        return {"data": [marshal(item, document_status_fields) for item in results], "total": len(results)}, 200


class DatasetPermissionUserListApi(Resource):
    @setup_required
    @login_required
    @account_initialization_required
    def get(self, dataset_id):
        dataset_id_str = str(dataset_id)
        dataset = DatasetService.get_dataset(dataset_id_str)
        if dataset is None:
            raise NotFound("Dataset not found.")
        try:
            DatasetService.check_dataset_permission(dataset, current_user)
        except services.errors.account.NoPermissionError as e:
            raise Forbidden(str(e))

        partial_members_list = DatasetPermissionService.get_dataset_partial_member_list(dataset_id_str)

        return {
            "data": partial_members_list,
        }, 200


api.add_resource(DatasetListApi, "/datasets")
api.add_resource(DatasetApi, "/datasets/<uuid:dataset_id>")
api.add_resource(DatasetUseCheckApi, "/datasets/<uuid:dataset_id>/use-check")
api.add_resource(DatasetQueryApi, "/datasets/<uuid:dataset_id>/queries")
api.add_resource(DatasetErrorDocs, "/datasets/<uuid:dataset_id>/error-docs")
api.add_resource(DatasetIndexingEstimateApi, "/datasets/indexing-estimate")
api.add_resource(DatasetRelatedAppListApi, "/datasets/<uuid:dataset_id>/related-apps")
api.add_resource(DatasetIndexingStatusApi, "/datasets/<uuid:dataset_id>/indexing-status")
api.add_resource(DatasetApiKeyApi, "/datasets/api-keys")
api.add_resource(DatasetApiDeleteApi, "/datasets/api-keys/<uuid:api_key_id>")
api.add_resource(DatasetApiBaseUrlApi, "/datasets/api-base-info")
api.add_resource(DatasetRetrievalSettingApi, "/datasets/retrieval-setting")
api.add_resource(DatasetRetrievalSettingMockApi, "/datasets/retrieval-setting/<string:vector_type>")
api.add_resource(DatasetPermissionUserListApi, "/datasets/<uuid:dataset_id>/permission-part-users")