Model Runtime (#1858)

Co-authored-by: StyleZhang <jasonapring2015@outlook.com> Co-authored-by: Garfield Dai <dai.hai@foxmail.com> Co-authored-by: chenhe <guchenhe@gmail.com> Co-authored-by: jyong <jyong@dify.ai> Co-authored-by: Joel <iamjoel007@gmail.com> Co-authored-by: Yeuoly <admin@srmxy.cn>
2024-01-02 23:42:00 +08:00
parent e91dd28a76
commit d069c668f8
807 changed files with 171310 additions and 23806 deletions
--- a/api/core/features/annotation_reply.py
+++ b/api/core/features/annotation_reply.py
@@ -0,0 +1,119 @@
+import logging
+from typing import Optional
+
+from flask import current_app
+
+from core.embedding.cached_embedding import CacheEmbedding
+from core.entities.application_entities import InvokeFrom
+from core.index.vector_index.vector_index import VectorIndex
+from core.model_manager import ModelManager
+from core.model_runtime.entities.model_entities import ModelType
+from extensions.ext_database import db
+from models.dataset import Dataset
+from models.model import App, Message, AppAnnotationSetting, MessageAnnotation
+from services.annotation_service import AppAnnotationService
+from services.dataset_service import DatasetCollectionBindingService
+
+logger = logging.getLogger(__name__)
+
+
+class AnnotationReplyFeature:
+    def query(self, app_record: App,
+              message: Message,
+              query: str,
+              user_id: str,
+              invoke_from: InvokeFrom) -> Optional[MessageAnnotation]:
+        """
+        Query app annotations to reply
+        :param app_record: app record
+        :param message: message
+        :param query: query
+        :param user_id: user id
+        :param invoke_from: invoke from
+        :return:
+        """
+        annotation_setting = db.session.query(AppAnnotationSetting).filter(
+            AppAnnotationSetting.app_id == app_record.id).first()
+
+        if not annotation_setting:
+            return None
+
+        collection_binding_detail = annotation_setting.collection_binding_detail
+
+        try:
+            score_threshold = annotation_setting.score_threshold or 1
+            embedding_provider_name = collection_binding_detail.provider_name
+            embedding_model_name = collection_binding_detail.model_name
+
+            model_manager = ModelManager()
+            model_instance = model_manager.get_model_instance(
+                tenant_id=app_record.tenant_id,
+                provider=embedding_provider_name,
+                model_type=ModelType.TEXT_EMBEDDING,
+                model=embedding_model_name
+            )
+
+            # get embedding model
+            embeddings = CacheEmbedding(model_instance)
+
+            dataset_collection_binding = DatasetCollectionBindingService.get_dataset_collection_binding(
+                embedding_provider_name,
+                embedding_model_name,
+                'annotation'
+            )
+
+            dataset = Dataset(
+                id=app_record.id,
+                tenant_id=app_record.tenant_id,
+                indexing_technique='high_quality',
+                embedding_model_provider=embedding_provider_name,
+                embedding_model=embedding_model_name,
+                collection_binding_id=dataset_collection_binding.id
+            )
+
+            vector_index = VectorIndex(
+                dataset=dataset,
+                config=current_app.config,
+                embeddings=embeddings,
+                attributes=['doc_id', 'annotation_id', 'app_id']
+            )
+
+            documents = vector_index.search(
+                query=query,
+                search_type='similarity_score_threshold',
+                search_kwargs={
+                    'k': 1,
+                    'score_threshold': score_threshold,
+                    'filter': {
+                        'group_id': [dataset.id]
+                    }
+                }
+            )
+
+            if documents:
+                annotation_id = documents[0].metadata['annotation_id']
+                score = documents[0].metadata['score']
+                annotation = AppAnnotationService.get_annotation_by_id(annotation_id)
+                if annotation:
+                    if invoke_from in [InvokeFrom.SERVICE_API, InvokeFrom.WEB_APP]:
+                        from_source = 'api'
+                    else:
+                        from_source = 'console'
+
+                    # insert annotation history
+                    AppAnnotationService.add_annotation_history(annotation.id,
+                                                                app_record.id,
+                                                                annotation.question,
+                                                                annotation.content,
+                                                                query,
+                                                                user_id,
+                                                                message.id,
+                                                                from_source,
+                                                                score)
+
+                    return annotation
+        except Exception as e:
+            logger.warning(f'Query annotation failed, exception: {str(e)}.')
+            return None
+
+        return None