131 lines
3.2 KiB
Go
131 lines
3.2 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 builtin
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import (
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"context"
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"encoding/json"
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"fmt"
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"io"
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"github.com/cloudwego/eino/components/document/parser"
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"github.com/cloudwego/eino/schema"
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"github.com/coze-dev/coze-studio/backend/infra/contract/document"
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contract "github.com/coze-dev/coze-studio/backend/infra/contract/document/parser"
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)
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func parseJSONMaps(config *contract.Config) parseFn {
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return func(ctx context.Context, reader io.Reader, opts ...parser.Option) (docs []*schema.Document, err error) {
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b, err := io.ReadAll(reader)
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if err != nil {
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return nil, err
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}
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var customContent []map[string]string
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if err = json.Unmarshal(b, &customContent); err != nil {
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return nil, err
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}
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if config.ParsingStrategy == nil {
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config.ParsingStrategy = &contract.ParsingStrategy{
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HeaderLine: 0,
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DataStartLine: 1,
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RowsCount: 0,
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}
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}
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iter := &customContentContainer{
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i: 0,
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colIdx: nil,
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customContent: customContent,
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curColumns: config.ParsingStrategy.Columns,
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}
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newConfig := &contract.Config{
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FileExtension: config.FileExtension,
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ParsingStrategy: &contract.ParsingStrategy{
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SheetID: config.ParsingStrategy.SheetID,
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HeaderLine: 0,
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DataStartLine: 1,
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RowsCount: 0,
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IsAppend: config.ParsingStrategy.IsAppend,
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Columns: config.ParsingStrategy.Columns,
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},
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ChunkingStrategy: config.ChunkingStrategy,
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}
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return parseByRowIterator(iter, newConfig, opts...)
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}
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}
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type customContentContainer struct {
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i int
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colIdx map[string]int
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customContent []map[string]string
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curColumns []*document.Column
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}
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func (c *customContentContainer) NextRow() (row []string, end bool, err error) {
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if c.i == 0 && c.colIdx == nil {
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if len(c.customContent) == 0 {
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return nil, false, fmt.Errorf("[customContentContainer] data is nil")
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}
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headerRow := c.customContent[0]
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founded := make(map[string]struct{})
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colIdx := make(map[string]int, len(headerRow))
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for _, col := range c.curColumns {
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name := col.Name
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if _, found := headerRow[name]; found {
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founded[name] = struct{}{}
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colIdx[name] = len(colIdx)
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row = append(row, name)
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}
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}
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for name := range headerRow {
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if _, found := founded[name]; !found {
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colIdx[name] = len(colIdx)
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row = append(row, name)
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}
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}
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c.colIdx = colIdx
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return row, false, nil
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}
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if c.i >= len(c.customContent) {
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return nil, true, nil
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}
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content := c.customContent[c.i]
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c.i++
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row = make([]string, len(content))
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for k, v := range content {
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idx, found := c.colIdx[k]
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if !found {
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return nil, false, fmt.Errorf("[customContentContainer] column not found, name=%s", k)
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}
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row[idx] = v
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}
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return row, false, nil
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}
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