/
export.go
129 lines (115 loc) · 3.1 KB
/
export.go
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package controllers
import (
"errors"
"fmt"
"github.com/crawlab-team/crawlab-core/constants"
"github.com/crawlab-team/crawlab-core/export"
"github.com/crawlab-team/crawlab-core/interfaces"
"github.com/gin-gonic/gin"
"net/http"
"strconv"
)
var ExportController ActionController
func getExportActions() []Action {
ctx := newExportContext()
return []Action{
{
Method: http.MethodPost,
Path: "/:type",
HandlerFunc: ctx.postExport,
},
{
Method: http.MethodGet,
Path: "/:type/:id",
HandlerFunc: ctx.getExport,
},
{
Method: http.MethodGet,
Path: "/:type/:id/download",
HandlerFunc: ctx.getExportDownload,
},
}
}
type exportContext struct {
csvSvc interfaces.ExportService
jsonSvc interfaces.ExportService
}
func (ctx *exportContext) postExport(c *gin.Context) {
exportType := c.Param("type")
exportTarget := c.Query("target")
exportFilter, _ := GetFilter(c)
var exportId string
var err error
switch exportType {
case constants.ExportTypeCsv:
exportId, err = ctx.csvSvc.Export(exportType, exportTarget, exportFilter)
case constants.ExportTypeJson:
exportId, err = ctx.jsonSvc.Export(exportType, exportTarget, exportFilter)
default:
HandleErrorBadRequest(c, errors.New(fmt.Sprintf("invalid export type: %s", exportType)))
return
}
if err != nil {
HandleErrorInternalServerError(c, err)
return
}
HandleSuccessWithData(c, exportId)
}
func (ctx *exportContext) getExport(c *gin.Context) {
exportType := c.Param("type")
exportId := c.Param("id")
var exp interfaces.Export
var err error
switch exportType {
case constants.ExportTypeCsv:
exp, err = ctx.csvSvc.GetExport(exportId)
case constants.ExportTypeJson:
exp, err = ctx.jsonSvc.GetExport(exportId)
default:
HandleErrorBadRequest(c, errors.New(fmt.Sprintf("invalid export type: %s", exportType)))
}
if err != nil {
HandleErrorInternalServerError(c, err)
return
}
HandleSuccessWithData(c, exp)
}
func (ctx *exportContext) getExportDownload(c *gin.Context) {
exportType := c.Param("type")
exportId := c.Param("id")
var exp interfaces.Export
var err error
switch exportType {
case constants.ExportTypeCsv:
exp, err = ctx.csvSvc.GetExport(exportId)
case constants.ExportTypeJson:
exp, err = ctx.jsonSvc.GetExport(exportId)
default:
HandleErrorBadRequest(c, errors.New(fmt.Sprintf("invalid export type: %s", exportType)))
}
if err != nil {
HandleErrorInternalServerError(c, err)
return
}
switch exportType {
case constants.ExportTypeCsv:
c.Header("Content-Type", "text/csv")
case constants.ExportTypeJson:
c.Header("Content-Type", "text/plain")
default:
HandleErrorBadRequest(c, errors.New(fmt.Sprintf("invalid export type: %s", exportType)))
}
if err != nil {
HandleErrorInternalServerError(c, err)
return
}
c.Header("Content-Disposition", fmt.Sprintf("attachment; filename=%s", exp.GetDownloadPath()))
c.Header("Content-Length", strconv.Itoa(len(exp.GetDownloadPath())))
c.File(exp.GetDownloadPath())
}
func newExportContext() *exportContext {
return &exportContext{
csvSvc: export.GetCsvService(),
jsonSvc: export.GetJsonService(),
}
}