mirror of
https://github.com/knadh/listmonk.git
synced 2024-11-10 17:13:04 +08:00
113 lines
3 KiB
Go
113 lines
3 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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"github.com/knadh/listmonk/subimporter"
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"github.com/labstack/echo"
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)
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// reqImport represents file upload import params.
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type reqImport struct {
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Delim string `json:"delim"`
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OverrideStatus bool `json:"override_status"`
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ListIDs []int `json:"lists"`
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}
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// handleImportSubscribers handles the uploading and bulk importing of
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// a ZIP file of one or more CSV files.
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func handleImportSubscribers(c echo.Context) error {
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app := c.Get("app").(*App)
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// Is an import already running?
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if app.Importer.GetStats().Status == subimporter.StatusImporting {
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return echo.NewHTTPError(http.StatusBadRequest,
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"An import is already running. Wait for it to finish or stop it before trying again.")
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}
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// Unmarsal the JSON params.
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var r reqImport
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if err := json.Unmarshal([]byte(c.FormValue("params")), &r); err != nil {
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return echo.NewHTTPError(http.StatusBadRequest,
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fmt.Sprintf("Invalid `params` field: %v", err))
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}
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if len(r.Delim) != 1 {
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return echo.NewHTTPError(http.StatusBadRequest,
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"`delim` should be a single character")
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}
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file, err := c.FormFile("file")
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if err != nil {
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return echo.NewHTTPError(http.StatusBadRequest,
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fmt.Sprintf("Invalid `file`: %v", err))
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}
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src, err := file.Open()
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if err != nil {
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return err
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}
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defer src.Close()
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out, err := ioutil.TempFile("", "listmonk")
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if err != nil {
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return echo.NewHTTPError(http.StatusInternalServerError,
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fmt.Sprintf("Error copying uploaded file: %v", err))
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}
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defer out.Close()
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if _, err = io.Copy(out, src); err != nil {
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return echo.NewHTTPError(http.StatusInternalServerError,
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fmt.Sprintf("Error copying uploaded file: %v", err))
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}
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// Start the importer session.
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impSess, err := app.Importer.NewSession(file.Filename,
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r.OverrideStatus,
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r.ListIDs)
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if err != nil {
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return err
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}
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go impSess.Start()
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// For now, we only extract 1 CSV from the ZIP. Handling async CSV
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// imports is more trouble than it's worth.
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dir, files, err := impSess.ExtractZIP(out.Name(), 1)
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if err != nil {
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return echo.NewHTTPError(http.StatusInternalServerError,
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fmt.Sprintf("Error extracting ZIP file: %v", err))
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}
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go impSess.LoadCSV(dir+"/"+files[0], rune(r.Delim[0]))
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return c.JSON(http.StatusOK, okResp{app.Importer.GetStats()})
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}
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// handleGetImportSubscribers returns import statistics.
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func handleGetImportSubscribers(c echo.Context) error {
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var (
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app = c.Get("app").(*App)
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s = app.Importer.GetStats()
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)
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return c.JSON(http.StatusOK, okResp{s})
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}
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// handleGetImportSubscriberLogs returns import statistics.
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func handleGetImportSubscriberLogs(c echo.Context) error {
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app := c.Get("app").(*App)
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return c.JSON(http.StatusOK, okResp{string(app.Importer.GetLogs())})
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}
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// handleStopImportSubscribers sends a stop signal to the importer.
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// If there's an ongoing import, it'll be stopped, and if an import
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// is finished, it's state is cleared.
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func handleStopImportSubscribers(c echo.Context) error {
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app := c.Get("app").(*App)
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app.Importer.Stop()
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return c.JSON(http.StatusOK, okResp{app.Importer.GetStats()})
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}
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