143 lines
3.7 KiB
Go
143 lines
3.7 KiB
Go
package file_export
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import (
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"encoding/json"
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"net/http"
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"os"
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"path/filepath"
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"be.ems/lib/file"
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"be.ems/lib/log"
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"be.ems/lib/services"
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"be.ems/src/framework/datasource"
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"be.ems/src/framework/i18n"
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"be.ems/src/framework/utils/ctx"
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"github.com/gin-gonic/gin"
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)
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type SysJobResponse struct {
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SysJob
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TableName string `json:"tableName"`
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TableDisplay string `json:"tableDisplay"`
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FilePath string `json:"filePath"`
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}
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type TargetParams struct {
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Duration int `json:"duration"`
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TableName string `json:"tableName"`
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Columns string `json:"columns"` // exported column name of time string
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TimeCol string `json:"timeCol"` // time stamp of column name
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TimeUnit string `json:"timeUnit"` // timestamp unit: second/micro/milli
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Extras string `json:"extras"` // extras condition for where
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FilePath string `json:"filePath"` // file path
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}
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func (m *SysJob) GetFileExportTable(c *gin.Context) {
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var results []SysJob
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err := datasource.DefaultDB().Table(m.TableName()).Where("invoke_target=? and status=1", INVOKE_FILE_EXPORT).
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Find(&results).Error
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if err != nil {
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c.JSON(http.StatusOK, services.ErrResp(err.Error()))
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return
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}
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language := ctx.AcceptLanguage(c)
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var response []SysJobResponse
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for _, job := range results {
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var params TargetParams
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if err := json.Unmarshal([]byte(job.TargetParams), ¶ms); err != nil {
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c.JSON(http.StatusOK, services.ErrResp(err.Error()))
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return
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}
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TableDisplay := i18n.TKey(language, "table."+params.TableName)
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if TableDisplay == "" {
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TableDisplay = params.TableName
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}
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response = append(response, SysJobResponse{
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SysJob: job,
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TableName: params.TableName,
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TableDisplay: TableDisplay,
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FilePath: params.FilePath,
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})
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}
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c.JSON(http.StatusOK, services.DataResp(response))
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}
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func (m *FileExport) GetFileList(c *gin.Context) {
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var querys FileExportQuery
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if err := c.ShouldBindQuery(&querys); err != nil {
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c.JSON(http.StatusOK, services.ErrResp(err.Error()))
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return
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}
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files, err := file.GetFileInfo(querys.Path, querys.Suffix)
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if err != nil {
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log.Error("failed to GetFileInfo:", err)
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c.JSON(http.StatusOK, services.ErrResp(err.Error()))
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return
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}
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// split files list
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lenNum := int64(len(files))
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start := (querys.PageNum - 1) * querys.PageSize
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end := start + querys.PageSize
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var splitList []file.FileInfo
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if start >= lenNum {
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splitList = []file.FileInfo{}
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} else if end >= lenNum {
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splitList = files[start:]
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} else {
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splitList = files[start:end]
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}
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total := len(files)
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c.JSON(http.StatusOK, services.TotalDataResp(splitList, total))
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}
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func (m *FileExport) Total(c *gin.Context) {
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dir := c.Query("path")
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fileCount, dirCount, err := file.GetFileAndDirCount(dir)
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if err != nil {
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log.Error("failed to GetFileAndDirCount:", err)
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c.JSON(http.StatusOK, services.ErrResp(err.Error()))
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return
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}
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total := fileCount + dirCount
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c.JSON(http.StatusOK, services.TotalResp(int64(total)))
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}
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func (m *FileExport) DownloadHandler(c *gin.Context) {
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dir := c.Query("path")
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fileName := c.Param("fileName")
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filePath := filepath.Join(dir, fileName)
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file, err := os.Open(filePath)
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if err != nil {
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c.JSON(http.StatusOK, services.ErrResp(err.Error()))
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return
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}
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defer file.Close()
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if _, err := os.Stat(filePath); os.IsNotExist(err) {
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c.JSON(http.StatusOK, services.ErrResp(err.Error()))
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return
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}
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c.Header("Content-Disposition", "attachment; filename="+fileName)
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c.Header("Content-Type", "application/octet-stream")
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c.File(filePath)
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}
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func (m *FileExport) Delete(c *gin.Context) {
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fileName := c.Param("fileName")
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dir := c.Query("path")
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filePath := filepath.Join(dir, fileName)
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if err := os.Remove(filePath); err != nil {
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c.JSON(http.StatusOK, services.ErrResp(err.Error()))
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return
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}
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c.JSON(http.StatusNoContent, nil) // 204 No Content
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}
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