feat: manually mirror opencoze's code from bytedance

Change-Id: I09a73aadda978ad9511264a756b2ce51f5761adf

backend/domain/knowledge/processor/impl/init.go

@@ -0,0 +1,87 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package impl
+
+import (
+	"context"
+
+	"github.com/coze-dev/coze-studio/backend/api/model/crossdomain/knowledge"
+	"github.com/coze-dev/coze-studio/backend/domain/knowledge/entity"
+	"github.com/coze-dev/coze-studio/backend/domain/knowledge/processor"
+	"github.com/coze-dev/coze-studio/backend/domain/knowledge/repository"
+	"github.com/coze-dev/coze-studio/backend/infra/contract/document/parser"
+	"github.com/coze-dev/coze-studio/backend/infra/contract/eventbus"
+	"github.com/coze-dev/coze-studio/backend/infra/contract/idgen"
+	"github.com/coze-dev/coze-studio/backend/infra/contract/rdb"
+	"github.com/coze-dev/coze-studio/backend/infra/contract/storage"
+)
+
+type DocProcessorConfig struct {
+	UserID         int64
+	SpaceID        int64
+	DocumentSource entity.DocumentSource
+	Documents      []*entity.Document
+
+	KnowledgeRepo repository.KnowledgeRepo
+	DocumentRepo  repository.KnowledgeDocumentRepo
+	SliceRepo     repository.KnowledgeDocumentSliceRepo
+	Idgen         idgen.IDGenerator
+	Storage       storage.Storage
+	Rdb           rdb.RDB
+	Producer      eventbus.Producer
+	ParseManager  parser.Manager
+}
+
+func NewDocProcessor(ctx context.Context, config *DocProcessorConfig) (p processor.DocProcessor) {
+	base := &baseDocProcessor{
+		ctx:            ctx,
+		UserID:         config.UserID,
+		SpaceID:        config.SpaceID,
+		Documents:      config.Documents,
+		documentSource: &config.DocumentSource,
+		knowledgeRepo:  config.KnowledgeRepo,
+		documentRepo:   config.DocumentRepo,
+		sliceRepo:      config.SliceRepo,
+		storage:        config.Storage,
+		idgen:          config.Idgen,
+		rdb:            config.Rdb,
+		producer:       config.Producer,
+		parseManager:   config.ParseManager,
+	}
+
+	switch config.DocumentSource {
+	case entity.DocumentSourceCustom:
+		p = &customDocProcessor{
+			baseDocProcessor: *base,
+		}
+		if config.Documents[0].Type == knowledge.DocumentTypeTable {
+			p = &customTableProcessor{
+				baseDocProcessor: *base,
+			}
+		}
+		return p
+	case entity.DocumentSourceLocal:
+		if config.Documents[0].Type == knowledge.DocumentTypeTable {
+			return &localTableProcessor{
+				baseDocProcessor: *base,
+			}
+		}
+		return base
+	default:
+		return base
+	}
+}