739 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			739 lines
		
	
	
		
			20 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.
 | |
|  * 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 sheet
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| 
 | |
| import (
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| 	"bytes"
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| 	"context"
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| 	"encoding/csv"
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| 	"fmt"
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| 	"io"
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| 	"math/rand"
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| 	"os"
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| 	"regexp"
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| 	"runtime/debug"
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| 	"sort"
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| 	"strconv"
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| 	"strings"
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| 	"sync"
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| 	"time"
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| 
 | |
| 	"github.com/extrame/xls"
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| 	"github.com/xuri/excelize/v2"
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| 
 | |
| 	"github.com/coze-dev/coze-studio/backend/api/model/common"
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| 	"github.com/coze-dev/coze-studio/backend/api/model/crossdomain/database"
 | |
| 	"github.com/coze-dev/coze-studio/backend/domain/memory/database/entity"
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| 	"github.com/coze-dev/coze-studio/backend/infra/contract/storage"
 | |
| 	"github.com/coze-dev/coze-studio/backend/pkg/errorx"
 | |
| 	"github.com/coze-dev/coze-studio/backend/pkg/lang/ptr"
 | |
| 	"github.com/coze-dev/coze-studio/backend/pkg/logs"
 | |
| 	"github.com/coze-dev/coze-studio/backend/types/errno"
 | |
| )
 | |
| 
 | |
| type CellTypeIdentifier struct {
 | |
| 	Priority         int64
 | |
| 	IdentifyCellType func(cellValue string) *common.ColumnType
 | |
| 	TargetColumnType common.ColumnType
 | |
| }
 | |
| 
 | |
| var (
 | |
| 	identifierChain    []CellTypeIdentifier
 | |
| 	initIdentifierOnce sync.Once
 | |
| 	dateTimePattern    string
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| )
 | |
| 
 | |
| type TosTableParser struct {
 | |
| 	UserID         int64
 | |
| 	DocumentSource database.DocumentSourceType
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| 	TosURI         string
 | |
| 	TosServ        storage.Storage
 | |
| }
 | |
| 
 | |
| func (t *TosTableParser) GetTableDataBySheetIDx(ctx context.Context, rMeta entity.TableReaderMeta) (*entity.TableReaderSheetData, *entity.ExcelExtraInfo, error) {
 | |
| 	meta, err := t.getLocalSheetMeta(ctx, rMeta.TosMaxLine)
 | |
| 	if err != nil {
 | |
| 		return nil, nil, err
 | |
| 	}
 | |
| 
 | |
| 	defer func() {
 | |
| 		if meta == nil || meta.ExcelFile == nil {
 | |
| 			return
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| 		}
 | |
| 		if err1 := meta.ExcelFile.Close(); err1 != nil {
 | |
| 			logs.CtxInfof(ctx, "[GetTableDataBySheetIdx] close excel file failed, err: %v", err1)
 | |
| 		}
 | |
| 	}()
 | |
| 
 | |
| 	if len(meta.SheetsRowCount) == 0 {
 | |
| 		return nil, nil, errorx.New(errno.ErrMemoryDatabaseNoSheetFound)
 | |
| 	}
 | |
| 
 | |
| 	if int(rMeta.SheetId) >= len(meta.SheetsRowCount) {
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| 		return nil, nil, errorx.New(errno.ErrMemoryDatabaseSheetIndexExceed)
 | |
| 	}
 | |
| 
 | |
| 	// get execl range: sheetIdx + headerIdx + startLineIdx
 | |
| 	if rMeta.StartLineIdx > int64(meta.SheetsRowCount[rMeta.SheetId]) {
 | |
| 		return nil, nil, errorx.New(errno.ErrMemoryDatabaseSheetIndexExceed)
 | |
| 	}
 | |
| 	extra := &entity.ExcelExtraInfo{
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| 		ExtensionName: meta.ExtensionName,
 | |
| 		FileSize:      meta.FileSize,
 | |
| 		TosURI:        t.TosURI,
 | |
| 	}
 | |
| 
 | |
| 	data, ocErr := t.getTableDataBySheetIdx(ctx, rMeta, meta, rMeta.SheetId)
 | |
| 	if ocErr != nil {
 | |
| 		return nil, nil, ocErr
 | |
| 	}
 | |
| 	for i := range meta.SheetsRowCount {
 | |
| 		extra.Sheets = append(extra.Sheets, &common.DocTableSheet{
 | |
| 			ID:        int64(i),
 | |
| 			SheetName: meta.SheetsNameList[i],
 | |
| 			TotalRow:  int64(meta.SheetsRowCount[i]),
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| 		})
 | |
| 	}
 | |
| 	return data, extra, ocErr
 | |
| }
 | |
| 
 | |
| func (t *TosTableParser) getLocalSheetMeta(ctx context.Context, maxLine int64) (*entity.LocalTableMeta, error) {
 | |
| 	documentExtension, object, ocErr := t.GetTosTableFile(ctx)
 | |
| 	if ocErr != nil {
 | |
| 		return nil, ocErr
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| 	}
 | |
| 
 | |
| 	reader := bytes.NewReader(object)
 | |
| 	if documentExtension == "csv" { // 处理 csv 文件
 | |
| 		records, err := csv.NewReader(reader).ReadAll()
 | |
| 		if err != nil {
 | |
| 			return nil, err
 | |
| 		}
 | |
| 
 | |
| 		if int64(len(records)) > maxLine {
 | |
| 			return nil, err
 | |
| 		}
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| 
 | |
| 		return &entity.LocalTableMeta{
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| 			RawLines:       records,
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| 			SheetsNameList: []string{"default"},
 | |
| 			SheetsRowCount: []int{len(records)},
 | |
| 			ExtensionName:  documentExtension,
 | |
| 			FileSize:       int64(len(object)),
 | |
| 		}, nil
 | |
| 	} else if documentExtension == "xls" {
 | |
| 		result, err := HandleTmpFile(ctx, reader, "xls", getXlsLocalSheetMetaWithTmpFileCallback, int64(len(object)))
 | |
| 		if err != nil {
 | |
| 			return nil, err
 | |
| 		}
 | |
| 
 | |
| 		localTableMeta, ok := result.(*entity.LocalTableMeta)
 | |
| 		if !ok {
 | |
| 			return nil, err
 | |
| 		}
 | |
| 
 | |
| 		return localTableMeta, nil
 | |
| 	}
 | |
| 
 | |
| 	excelFile, err := excelize.OpenReader(reader)
 | |
| 	if err != nil {
 | |
| 		return nil, err
 | |
| 	}
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| 
 | |
| 	meta := &entity.LocalTableMeta{
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| 		ExcelFile:     excelFile,
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| 		ExtensionName: documentExtension,
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| 		FileSize:      int64(len(object)),
 | |
| 	}
 | |
| 
 | |
| 	for _, sheetName := range excelFile.GetSheetList() {
 | |
| 		total := 0
 | |
| 		rows, rowsErr := excelFile.Rows(sheetName)
 | |
| 		if rowsErr != nil {
 | |
| 			return nil, rowsErr
 | |
| 		}
 | |
| 		for rows.Next() {
 | |
| 			total++
 | |
| 			if int64(total) > maxLine {
 | |
| 				return nil, errorx.New(errno.ErrMemoryDatabaseSheetRowCountExceed, errorx.KVf("msg", "row count exceed limit when database importing excel, limit: %v", maxLine))
 | |
| 			}
 | |
| 		}
 | |
| 		meta.SheetsRowCount = append(meta.SheetsRowCount, total)
 | |
| 		meta.SheetsNameList = append(meta.SheetsNameList, sheetName)
 | |
| 	}
 | |
| 
 | |
| 	return meta, nil
 | |
| }
 | |
| 
 | |
| func (t *TosTableParser) GetTosTableFile(ctx context.Context) (string, []byte, error) {
 | |
| 	names := strings.Split(t.TosURI, "/")
 | |
| 	objectName := strings.Split(names[len(names)-1], ".")
 | |
| 	documentExtension := objectName[len(objectName)-1]
 | |
| 	if documentExtension != "csv" && documentExtension != "xlsx" {
 | |
| 		return "", nil, errorx.New(errno.ErrMemoryDatabaseUnsupportedFileType)
 | |
| 	}
 | |
| 
 | |
| 	object, err := t.TosServ.GetObject(ctx, t.TosURI)
 | |
| 	if err != nil {
 | |
| 		return "", nil, fmt.Errorf("get tos file failed:%+v", err)
 | |
| 	}
 | |
| 
 | |
| 	if len(object) > 104857600 {
 | |
| 		return "", nil, errorx.New(errno.ErrMemoryDatabaseSheetSizeExceed)
 | |
| 	}
 | |
| 
 | |
| 	return documentExtension, object, nil
 | |
| }
 | |
| 
 | |
| func (t *TosTableParser) getTableDataBySheetIdx(ctx context.Context, rMeta entity.TableReaderMeta, localMeta *entity.LocalTableMeta, sheetIdx int64) (*entity.TableReaderSheetData, error) {
 | |
| 	if int(sheetIdx) >= len(localMeta.SheetsRowCount) {
 | |
| 		return nil, fmt.Errorf("start sheet index out of range")
 | |
| 	}
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| 
 | |
| 	res := &entity.TableReaderSheetData{
 | |
| 		Columns: make([]*common.DocTableColumn, 0),
 | |
| 	}
 | |
| 	defer func() {
 | |
| 		if localMeta != nil && localMeta.ExcelFile != nil {
 | |
| 			if err := localMeta.ExcelFile.Close(); err != nil {
 | |
| 				logs.CtxErrorf(ctx, "[GetTableDataBySheetIdx] close excel file err: %v", err)
 | |
| 			}
 | |
| 		}
 | |
| 	}()
 | |
| 
 | |
| 	sheetRowTotal := localMeta.SheetsRowCount[sheetIdx]
 | |
| 	headLine, sampleData, ocErr := t.parseSchemaInfo(ctx, localMeta, rMeta, int(sheetIdx), sheetRowTotal)
 | |
| 	if ocErr != nil {
 | |
| 		return nil, ocErr
 | |
| 	}
 | |
| 
 | |
| 	if len(headLine) == 0 {
 | |
| 		return res, nil
 | |
| 	}
 | |
| 
 | |
| 	for colIndex, cell := range headLine {
 | |
| 		res.Columns = append(res.Columns, &common.DocTableColumn{
 | |
| 			ColumnName: cell,
 | |
| 			Sequence:   int64(colIndex),
 | |
| 		})
 | |
| 	}
 | |
| 	res.SampleData = sampleData
 | |
| 
 | |
| 	return res, nil
 | |
| }
 | |
| 
 | |
| func (t *TosTableParser) parseSchemaInfo(ctx context.Context, meta *entity.LocalTableMeta, rMeta entity.TableReaderMeta, sheetIdx, sheetRowTotal int) (header []string, sampleData [][]string, err error) {
 | |
| 	if len(meta.RawLines) != 0 {
 | |
| 		if len(meta.RawLines) == 0 {
 | |
| 			return []string{}, [][]string{}, nil
 | |
| 		}
 | |
| 		if rMeta.HeaderLineIdx >= int64(len(meta.RawLines)) {
 | |
| 			return nil, nil, fmt.Errorf("header idx exceed")
 | |
| 		}
 | |
| 		if rMeta.StartLineIdx > int64(len(meta.RawLines)) {
 | |
| 			return meta.RawLines[rMeta.HeaderLineIdx], [][]string{}, nil
 | |
| 		}
 | |
| 
 | |
| 		switch rMeta.ReaderMethod {
 | |
| 		case database.TableReadDataMethodHead:
 | |
| 			end := int(rMeta.StartLineIdx + rMeta.ReadLineCnt)
 | |
| 			if end > len(meta.RawLines) {
 | |
| 				end = len(meta.RawLines)
 | |
| 			}
 | |
| 			return meta.RawLines[rMeta.HeaderLineIdx], meta.RawLines[rMeta.StartLineIdx:end], nil
 | |
| 
 | |
| 		case database.TableReadDataMethodOnlyHeader:
 | |
| 			if len(meta.RawLines[rMeta.HeaderLineIdx]) >= 50 {
 | |
| 				return meta.RawLines[rMeta.HeaderLineIdx][:50], [][]string{}, nil
 | |
| 			}
 | |
| 			return meta.RawLines[rMeta.HeaderLineIdx], [][]string{}, nil
 | |
| 
 | |
| 		case database.TableReadDataMethodAll:
 | |
| 			return meta.RawLines[rMeta.HeaderLineIdx], meta.RawLines[rMeta.StartLineIdx:], nil
 | |
| 		default:
 | |
| 			logs.CtxInfof(ctx, "[parseSchemaInfo] reader method is:%d", rMeta.ReaderMethod)
 | |
| 		}
 | |
| 
 | |
| 		return nil, nil, fmt.Errorf("reader method is:%d", rMeta.ReaderMethod)
 | |
| 	}
 | |
| 
 | |
| 	sampleData, header, err = t.GetExcelToParseTableRange(ctx, meta.ExcelFile, sheetIdx, int64(sheetRowTotal), rMeta)
 | |
| 	if err != nil {
 | |
| 		return nil, nil, err
 | |
| 	}
 | |
| 
 | |
| 	return header, sampleData, nil
 | |
| }
 | |
| 
 | |
| func (t *TosTableParser) GetExcelToParseTableRange(ctx context.Context, file *excelize.File, sheetIdx int, rowCount int64, rMeta entity.TableReaderMeta) ([][]string, []string, error) {
 | |
| 	selectFunc := func(idx int64) (isContinue, isBreak bool) {
 | |
| 		return idx < rMeta.StartLineIdx, false
 | |
| 	}
 | |
| 	if rMeta.ReaderMethod == database.TableReadDataMethodHead {
 | |
| 		selectFunc = func(idx int64) (isContinue, isBreak bool) {
 | |
| 			return idx < rMeta.StartLineIdx, idx-rMeta.StartLineIdx > rMeta.ReadLineCnt
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	selectedExcelContent := make([][]string, 0)
 | |
| 	sheetName := file.GetSheetName(sheetIdx)
 | |
| 	rows, err := file.Rows(sheetName)
 | |
| 	if err != nil {
 | |
| 		return nil, nil, err
 | |
| 	}
 | |
| 
 | |
| 	headLineContent := make([]string, 0)
 | |
| 	var (
 | |
| 		curRowIndex int64
 | |
| 		columnCount int
 | |
| 	)
 | |
| 	for rows.Next() {
 | |
| 		if curRowIndex < rMeta.HeaderLineIdx {
 | |
| 			curRowIndex++
 | |
| 			continue
 | |
| 		}
 | |
| 
 | |
| 		if curRowIndex == rMeta.HeaderLineIdx {
 | |
| 			content, rowErr := rows.Columns()
 | |
| 			if rowErr != nil {
 | |
| 				return nil, nil, rowErr
 | |
| 			}
 | |
| 			if len(content) > 50 {
 | |
| 				content = content[:50]
 | |
| 			}
 | |
| 			headLineContent = content
 | |
| 			curRowIndex++
 | |
| 			columnCount = len(headLineContent)
 | |
| 			if rMeta.ReaderMethod == database.TableReadDataMethodOnlyHeader {
 | |
| 				return [][]string{}, headLineContent, nil
 | |
| 			}
 | |
| 			continue
 | |
| 		}
 | |
| 
 | |
| 		isContinue, isBreak := selectFunc(curRowIndex)
 | |
| 		if isContinue {
 | |
| 			curRowIndex++
 | |
| 			continue
 | |
| 		}
 | |
| 		if isBreak {
 | |
| 			break
 | |
| 		}
 | |
| 		curRowIndex++
 | |
| 
 | |
| 		columns, err := rows.Columns()
 | |
| 		if err != nil {
 | |
| 			continue
 | |
| 		}
 | |
| 
 | |
| 		if len(columns) < columnCount {
 | |
| 			emptyStrs := make([]string, columnCount-len(columns))
 | |
| 			columns = append(columns, emptyStrs...)
 | |
| 		}
 | |
| 		if len(columns) > 50 {
 | |
| 			columns = columns[:50]
 | |
| 		}
 | |
| 
 | |
| 		if len(columns) != 0 && getCharCount(columns) > 0 {
 | |
| 			selectedExcelContent = append(selectedExcelContent, columns)
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	return selectedExcelContent, headLineContent, nil
 | |
| }
 | |
| 
 | |
| func getCharCount(strs []string) int {
 | |
| 	var count int
 | |
| 	for _, str := range strs {
 | |
| 		count += len(str)
 | |
| 	}
 | |
| 
 | |
| 	return count
 | |
| }
 | |
| 
 | |
| type TmpFileCallback func(context.Context, string, ...interface{}) (interface{}, error)
 | |
| 
 | |
| func getTmpFile(extension string) string {
 | |
| 	return fmt.Sprintf("%s/%s", "/tmp", getTmpFileName(extension))
 | |
| }
 | |
| 
 | |
| func getTmpFileName(extension string) string {
 | |
| 	r := rand.New(rand.NewSource(time.Now().UnixNano()))
 | |
| 	name := fmt.Sprintf("%s_%d_%d.%s", "dataset_", time.Now().UnixMilli(), r.Intn(10000), extension)
 | |
| 	return name
 | |
| }
 | |
| 
 | |
| func HandleTmpFile(ctx context.Context, reader io.Reader, extension string, callback TmpFileCallback, args ...interface{}) (interface{}, error) {
 | |
| 	tmpFile := getTmpFile(extension)
 | |
| 	file, err := os.OpenFile(tmpFile, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0o755)
 | |
| 	if err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 	if reader != nil {
 | |
| 		_, err = io.Copy(file, reader)
 | |
| 		if err != nil {
 | |
| 			return nil, err
 | |
| 		}
 | |
| 	}
 | |
| 	if err = file.Close(); err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 
 | |
| 	defer func() {
 | |
| 		if err = os.Remove(tmpFile); err != nil {
 | |
| 			logs.CtxErrorf(ctx, "[HandleTmpFile]Error removing tmpFile: %v", err)
 | |
| 			return
 | |
| 		}
 | |
| 	}()
 | |
| 	result, err := callback(ctx, tmpFile, args...)
 | |
| 	return result, err
 | |
| }
 | |
| 
 | |
| func getXlsLocalSheetMetaWithTmpFileCallback(ctx context.Context, tmpFile string, args ...interface{}) (interface{}, error) {
 | |
| 	const prefix = "[getXlsLocalSheetMetaWithTmpFileCallback]"
 | |
| 	defer func() {
 | |
| 		if panicErr := recover(); panicErr != nil {
 | |
| 			s := string(debug.Stack())
 | |
| 			logs.CtxErrorf(ctx, "%s get recover, stack: %s", prefix, s)
 | |
| 			return
 | |
| 		}
 | |
| 	}()
 | |
| 	size, _ := args[0].(int64)
 | |
| 	file, err := os.Open(tmpFile)
 | |
| 	if err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 	defer func() {
 | |
| 		if err = file.Close(); err != nil {
 | |
| 			logs.CtxErrorf(ctx, "%v close excel reader failed:%+v", prefix, err)
 | |
| 			return
 | |
| 		}
 | |
| 	}()
 | |
| 	xlFile, err := xls.OpenReader(file, "utf-8")
 | |
| 	if err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 
 | |
| 	sheet := xlFile.GetSheet(0)
 | |
| 	if sheet == nil {
 | |
| 		return nil, errorx.New(errno.ErrMemoryDatabaseXlsSheetEmpty)
 | |
| 	}
 | |
| 
 | |
| 	records := make([][]string, 0)
 | |
| 	if sheet.MaxRow < 1 {
 | |
| 		return nil, errorx.New(errno.ErrMemoryDatabaseXlsSheetEmpty)
 | |
| 	}
 | |
| 	for i := 0; i <= int(sheet.MaxRow); i++ {
 | |
| 		row := sheet.Row(i)
 | |
| 		record := make([]string, row.LastCol()-row.FirstCol()+1)
 | |
| 		for j := row.FirstCol(); j <= row.LastCol(); j++ {
 | |
| 			record[j-row.FirstCol()] = row.Col(j)
 | |
| 		}
 | |
| 		records = append(records, record)
 | |
| 	}
 | |
| 
 | |
| 	return &entity.LocalTableMeta{
 | |
| 		RawLines:       records,
 | |
| 		SheetsNameList: []string{"default"},
 | |
| 		SheetsRowCount: []int{len(records)},
 | |
| 		ExtensionName:  "xls",
 | |
| 		FileSize:       size,
 | |
| 	}, nil
 | |
| }
 | |
| 
 | |
| func (t *TosTableParser) PredictColumnType(columns []*common.DocTableColumn, sampleData [][]string, sheetIdx, startLineIdx int64) ([]*common.DocTableColumn, error) {
 | |
| 	if len(sampleData) == 0 {
 | |
| 		for _, column := range columns {
 | |
| 			column.ColumnType = common.ColumnTypePtr(common.ColumnType_Text) // 兜底展示
 | |
| 			column.ContainsEmptyValue = ptr.Of(true)
 | |
| 		}
 | |
| 		return columns, nil
 | |
| 	}
 | |
| 
 | |
| 	columnInfos, err := ParseDocTableColumnInfo(sampleData, len(columns))
 | |
| 	if err != nil {
 | |
| 		return nil, err
 | |
| 	}
 | |
| 
 | |
| 	if len(columns) != len(columnInfos) {
 | |
| 		return nil, errorx.New(errno.ErrMemoryDatabaseColumnNotMatch, errorx.KVf("msg", "columnType length is not match with column count, column length:%d, predict column length:%d", len(columns), len(columnInfos)))
 | |
| 	}
 | |
| 
 | |
| 	for i := range columns {
 | |
| 		columns[i].ContainsEmptyValue = &columnInfos[i].ContainsEmptyValue
 | |
| 		columns[i].ColumnType = &columnInfos[i].ColumnType
 | |
| 	}
 | |
| 	return columns, nil
 | |
| }
 | |
| 
 | |
| func ParseDocTableColumnInfo(selectedExcelContent [][]string, columnCount int) ([]entity.ColumnInfo, error) {
 | |
| 	columnList := transposeExcelContent(selectedExcelContent, columnCount)
 | |
| 	columInfoList := make([]entity.ColumnInfo, 0)
 | |
| 	for _, col := range columnList {
 | |
| 		columnType, containsEmptyValue := predictColumnType(col)
 | |
| 		columInfoList = append(columInfoList, entity.ColumnInfo{
 | |
| 			ColumnType:         columnType,
 | |
| 			ContainsEmptyValue: containsEmptyValue,
 | |
| 		})
 | |
| 	}
 | |
| 
 | |
| 	return columInfoList, nil
 | |
| }
 | |
| 
 | |
| func transposeExcelContent(excelContent [][]string, columnCount int) [][]string {
 | |
| 	if len(excelContent) == 0 {
 | |
| 		return make([][]string, 0)
 | |
| 	}
 | |
| 
 | |
| 	rowCount := len(excelContent)
 | |
| 	transposedExcelContent := make([][]string, columnCount)
 | |
| 	for i := range transposedExcelContent {
 | |
| 		transposedExcelContent[i] = make([]string, rowCount)
 | |
| 	}
 | |
| 
 | |
| 	for i := range excelContent {
 | |
| 		for j := range excelContent[i] {
 | |
| 			if j >= columnCount {
 | |
| 				continue
 | |
| 			}
 | |
| 			transposedExcelContent[j][i] = excelContent[i][j]
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	return transposedExcelContent
 | |
| }
 | |
| 
 | |
| func predictColumnType(columnContent []string) (common.ColumnType, bool) {
 | |
| 	columnType := common.ColumnType_Text
 | |
| 	containsEmptyValue := false
 | |
| 	for i, col := range columnContent {
 | |
| 		if col == "" {
 | |
| 			containsEmptyValue = true
 | |
| 			continue
 | |
| 		}
 | |
| 
 | |
| 		cellType := GetCellType(col)
 | |
| 		if i == 0 {
 | |
| 			columnType = cellType
 | |
| 			continue
 | |
| 		}
 | |
| 
 | |
| 		if GetColumnTypeCategory(columnType) != GetColumnTypeCategory(cellType) {
 | |
| 			return common.ColumnType_Text, containsEmptyValue
 | |
| 		}
 | |
| 
 | |
| 		if GetColumnTypePriority(cellType) < GetColumnTypePriority(columnType) {
 | |
| 			columnType = cellType
 | |
| 		}
 | |
| 	}
 | |
| 	return columnType, containsEmptyValue
 | |
| }
 | |
| 
 | |
| func GetColumnTypePriority(columnType common.ColumnType) int64 {
 | |
| 	for _, identifier := range identifierChain {
 | |
| 		if identifier.TargetColumnType == columnType {
 | |
| 			return identifier.Priority
 | |
| 		}
 | |
| 	}
 | |
| 	return 0
 | |
| }
 | |
| 
 | |
| func GetColumnTypeCategory(columnType common.ColumnType) database.ColumnTypeCategory {
 | |
| 	if columnType == common.ColumnType_Number || columnType == common.ColumnType_Float {
 | |
| 		return database.ColumnTypeCategoryNumber
 | |
| 	}
 | |
| 	return database.ColumnTypeCategoryText
 | |
| }
 | |
| 
 | |
| func GetCellType(cellValue string) common.ColumnType {
 | |
| 	InitIdentifier()
 | |
| 	cellTypeResult := common.ColumnType_Text
 | |
| 	for _, identifier := range identifierChain {
 | |
| 		cellType := identifier.IdentifyCellType(cellValue)
 | |
| 		if cellType != nil {
 | |
| 			cellTypeResult = *cellType
 | |
| 			break
 | |
| 		}
 | |
| 	}
 | |
| 	return cellTypeResult
 | |
| }
 | |
| 
 | |
| func IdentifyNumber(cellValue string) *common.ColumnType {
 | |
| 	_, err := strconv.ParseInt(cellValue, 10, 64)
 | |
| 	if err != nil {
 | |
| 		return nil
 | |
| 	}
 | |
| 	return common.ColumnTypePtr(common.ColumnType_Number)
 | |
| }
 | |
| 
 | |
| func IdentifyFloat(cellValue string) *common.ColumnType {
 | |
| 	_, err := strconv.ParseFloat(cellValue, 64)
 | |
| 	if err != nil {
 | |
| 		return nil
 | |
| 	}
 | |
| 	return common.ColumnTypePtr(common.ColumnType_Float)
 | |
| }
 | |
| 
 | |
| func IdentifyBoolean(cellValue string) *common.ColumnType {
 | |
| 	lowerCellValue := strings.ToLower(cellValue)
 | |
| 	if lowerCellValue != "true" && lowerCellValue != "false" {
 | |
| 		return nil
 | |
| 	}
 | |
| 	return common.ColumnTypePtr(common.ColumnType_Boolean)
 | |
| }
 | |
| 
 | |
| func IdentifyDate(cellValue string) *common.ColumnType {
 | |
| 	matched, err := regexp.MatchString(dateTimePattern, cellValue)
 | |
| 	if err != nil || !matched {
 | |
| 		return nil
 | |
| 	}
 | |
| 	return common.ColumnTypePtr(common.ColumnType_Date)
 | |
| }
 | |
| 
 | |
| func IdentifyText(cellValue string) *common.ColumnType {
 | |
| 	return common.ColumnTypePtr(common.ColumnType_Text)
 | |
| }
 | |
| 
 | |
| func InitIdentifier() {
 | |
| 	initIdentifierOnce.Do(func() {
 | |
| 		identifierChain = []CellTypeIdentifier{
 | |
| 			{
 | |
| 				Priority:         5,
 | |
| 				IdentifyCellType: IdentifyNumber,
 | |
| 				TargetColumnType: common.ColumnType_Number,
 | |
| 			},
 | |
| 			{
 | |
| 				Priority:         4,
 | |
| 				IdentifyCellType: IdentifyFloat,
 | |
| 				TargetColumnType: common.ColumnType_Float,
 | |
| 			},
 | |
| 			{
 | |
| 				Priority:         3,
 | |
| 				IdentifyCellType: IdentifyBoolean,
 | |
| 				TargetColumnType: common.ColumnType_Boolean,
 | |
| 			},
 | |
| 			{
 | |
| 				Priority:         2,
 | |
| 				IdentifyCellType: IdentifyDate,
 | |
| 				TargetColumnType: common.ColumnType_Date,
 | |
| 			},
 | |
| 			{
 | |
| 				Priority:         1,
 | |
| 				IdentifyCellType: IdentifyText,
 | |
| 				TargetColumnType: common.ColumnType_Text,
 | |
| 			},
 | |
| 		}
 | |
| 
 | |
| 		sort.SliceStable(identifierChain, func(i, j int) bool {
 | |
| 			return identifierChain[i].Priority > identifierChain[j].Priority
 | |
| 		})
 | |
| 
 | |
| 		datePatternList := []string{
 | |
| 			"(\\d{2,4})\\/(0?[1-9]|1[0-2])\\/(0?[1-9]|[1-2]\\d|3[0-1])",
 | |
| 			"(\\d{2,4})-(0?[1-9]|1[0-2])-(0?[1-9]|[1-2]\\d|3[0-1])",
 | |
| 			"(\\d{2,4})\\.(0?[1-9]|1[0-2])\\.(0?[1-9]|[1-2]\\d|3[0-1])",
 | |
| 			"(\\d{2,4})年(0?[1-9]|1[0-2])月(0?[1-9]|[1-2]\\d|3[0-1])日",
 | |
| 		}
 | |
| 
 | |
| 		timePatternList := []string{
 | |
| 			"([0-1]?\\d|2[0-3]):[0-5]\\d(:[0-5]\\d)?",
 | |
| 			"([0-1]?\\d|2[0-3])时[0-5]\\d分([0-5]\\d秒)?",
 | |
| 			"(0?\\d|1[0-2]):[0-5]\\d(:[0-5]\\d)? (am|AM|pm|PM)",
 | |
| 			"(0?\\d|1[0-2])时[0-5]\\d分([0-5]\\d秒)? (am|AM|pm|PM)",
 | |
| 		}
 | |
| 
 | |
| 		dateTimePattern = getDateTimeRegExp(datePatternList, timePatternList)
 | |
| 	})
 | |
| }
 | |
| 
 | |
| func getDateTimeRegExp(datePatternList []string, timePatterList []string) string {
 | |
| 	var (
 | |
| 		datePattern string
 | |
| 		timePattern string
 | |
| 	)
 | |
| 
 | |
| 	for _, p := range datePatternList {
 | |
| 		p = fmt.Sprintf("(%s)", p)
 | |
| 		if datePattern == "" {
 | |
| 			datePattern = p
 | |
| 			continue
 | |
| 		}
 | |
| 		datePattern = fmt.Sprintf("%s|%s", datePattern, p)
 | |
| 	}
 | |
| 
 | |
| 	for _, p := range timePatterList {
 | |
| 		p = fmt.Sprintf("(%s)", p)
 | |
| 		if timePattern == "" {
 | |
| 			timePattern = p
 | |
| 			continue
 | |
| 		}
 | |
| 		timePattern = fmt.Sprintf("%s|%s", timePattern, p)
 | |
| 	}
 | |
| 
 | |
| 	return fmt.Sprintf("^(%s)( +(%s))?$", datePattern, timePattern)
 | |
| }
 | |
| 
 | |
| func (t *TosTableParser) TransferPreviewData(ctx context.Context, columns []*common.DocTableColumn, sampleData [][]string, previewLine int) (previewData []map[int64]string, err error) {
 | |
| 	previewData = make([]map[int64]string, 0)
 | |
| 
 | |
| 	for idx, line := range sampleData {
 | |
| 		if idx >= previewLine {
 | |
| 			break
 | |
| 		}
 | |
| 		lineValue := make(map[int64]string)
 | |
| 		if len(columns) != len(line) {
 | |
| 			logs.CtxWarnf(ctx, "[TransferPreviewData] sampleData's length:%d is not match with column count:%d", len(line), len(columns))
 | |
| 		}
 | |
| 
 | |
| 		for i, value := range line {
 | |
| 			if i >= len(columns) {
 | |
| 				break
 | |
| 			}
 | |
| 			lineValue[int64(i)] = value
 | |
| 		}
 | |
| 		previewData = append(previewData, lineValue)
 | |
| 	}
 | |
| 
 | |
| 	return previewData, nil
 | |
| }
 | |
| 
 | |
| func CheckSheetIsValid(fields []*database.FieldItem, parsedColumns []*common.DocTableColumn, sheet *entity.ExcelExtraInfo) (bool, *string) {
 | |
| 	if len(fields) != len(parsedColumns) {
 | |
| 		return false, ptr.Of("field number not match")
 | |
| 	}
 | |
| 	if len(parsedColumns) > 20 {
 | |
| 		return false, ptr.Of("field number exceed 20")
 | |
| 	}
 | |
| 	if sheet.Sheets[0].TotalRow > 100000 {
 | |
| 		return false, ptr.Of("data rows exceed 100000")
 | |
| 	}
 | |
| 
 | |
| 	equalColumns := map[string]int{}
 | |
| 	for _, field := range fields {
 | |
| 		for _, column := range parsedColumns {
 | |
| 			if field.Name == column.ColumnName {
 | |
| 				equalColumns[field.Name] = 1
 | |
| 				break
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 	if len(equalColumns) != len(fields) {
 | |
| 		return false, ptr.Of("field name not match")
 | |
| 	}
 | |
| 
 | |
| 	return true, nil
 | |
| }
 |