127 lines
3.4 KiB
Go
127 lines
3.4 KiB
Go
/*
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* Copyright 2025 coze-dev Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package document
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import (
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"fmt"
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"github.com/cloudwego/eino/schema"
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)
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const (
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MetaDataKeyColumns = "table_columns" // val: []*Column
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MetaDataKeyColumnData = "table_column_data" // val: []*ColumnData
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MetaDataKeyColumnsOnly = "table_columns_only" // val: struct{}, which means table has no data, only header.
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MetaDataKeyCreatorID = "creator_id" // val: int64
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MetaDataKeyExternalStorage = "external_storage" // val: map[string]any
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)
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func GetDocumentColumns(doc *schema.Document) ([]*Column, error) {
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if doc == nil || doc.MetaData == nil {
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return nil, fmt.Errorf("invalid document")
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}
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columns, ok := doc.MetaData[MetaDataKeyColumns].([]*Column)
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if !ok {
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return nil, fmt.Errorf("invalid document columns")
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}
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return columns, nil
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}
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func WithDocumentColumns(doc *schema.Document, columns []*Column) *schema.Document {
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doc.MetaData[MetaDataKeyColumns] = columns
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return doc
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}
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func GetDocumentColumnData(doc *schema.Document) ([]*ColumnData, error) {
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if doc == nil || doc.MetaData == nil {
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return nil, fmt.Errorf("invalid document")
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}
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data, ok := doc.MetaData[MetaDataKeyColumnData].([]*ColumnData)
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if !ok {
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return nil, fmt.Errorf("invalid document column data")
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}
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return data, nil
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}
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func WithDocumentColumnData(doc *schema.Document, data []*ColumnData) *schema.Document {
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doc.MetaData[MetaDataKeyColumnData] = data
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return doc
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}
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func WithDocumentColumnsOnly(doc *schema.Document) *schema.Document {
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doc.MetaData[MetaDataKeyColumnsOnly] = struct{}{}
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return doc
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}
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func GetDocumentColumnsOnly(doc *schema.Document) (bool, error) {
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if doc == nil || doc.MetaData == nil {
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return false, fmt.Errorf("invalid document")
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}
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_, ok := doc.MetaData[MetaDataKeyColumnsOnly].(struct{})
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return ok, nil
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}
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func GetDocumentsColumnsOnly(docs []*schema.Document) (bool, error) {
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if len(docs) != 1 {
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return false, nil
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}
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return GetDocumentColumnsOnly(docs[0])
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}
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func GetDocumentCreatorID(doc *schema.Document) (int64, error) {
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if doc == nil || doc.MetaData == nil {
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return 0, fmt.Errorf("invalid document")
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}
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creatorID, ok := doc.MetaData[MetaDataKeyCreatorID].(int64)
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if !ok {
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return 0, fmt.Errorf("invalid document creator id")
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}
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return creatorID, nil
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}
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func WithDocumentCreatorID(doc *schema.Document, creatorID int64) *schema.Document {
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doc.MetaData[MetaDataKeyCreatorID] = creatorID
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return doc
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}
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func GetDocumentExternalStorage(doc *schema.Document) (map[string]any, error) {
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if doc == nil || doc.MetaData == nil {
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return nil, fmt.Errorf("invalid document")
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}
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data, ok := doc.MetaData[MetaDataKeyExternalStorage].(map[string]any)
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if !ok {
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return nil, fmt.Errorf("invalid document external storage")
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}
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return data, nil
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}
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func WithDocumentExternalStorage(doc *schema.Document, externalStorage map[string]any) *schema.Document {
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doc.MetaData[MetaDataKeyExternalStorage] = externalStorage
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return doc
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}
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