--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pkg/controllers/agmimports.go	Tue Jan 15 10:07:10 2019 +0100
@@ -0,0 +1,135 @@
+// This is Free Software under GNU Affero General Public License v >= 3.0
+// without warranty, see README.md and license for details.
+//
+// SPDX-License-Identifier: AGPL-3.0-or-later
+// License-Filename: LICENSES/AGPL-3.0.txt
+//
+// Copyright (C) 2018 by via donau
+//   – Österreichische Wasserstraßen-Gesellschaft mbH
+// Software engineering by Intevation GmbH
+//
+// Author(s):
+//  * Sascha L. Teichmann <sascha.teichmann@intevation.de>
+
+package controllers
+
+import (
+	"bufio"
+	"io"
+	"io/ioutil"
+	"log"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strconv"
+	"time"
+
+	"gemma.intevation.de/gemma/pkg/auth"
+	"gemma.intevation.de/gemma/pkg/common"
+	"gemma.intevation.de/gemma/pkg/config"
+	"gemma.intevation.de/gemma/pkg/imports"
+)
+
+const (
+	maxApprovedGaugeMeasurementSize = 25 * 1024 * 1024
+	approvedGaugeMeasurementsName   = "approvedgm"
+)
+
+func storeApprovedGaugeMeasurements(req *http.Request) (string, error) {
+
+	// Check for direct upload.
+	f, _, err := req.FormFile(approvedGaugeMeasurementsName)
+	if err != nil {
+		return "", err
+	}
+	defer f.Close()
+
+	dir, err := ioutil.TempDir(config.TmpDir(), approvedGaugeMeasurementsName)
+	if err != nil {
+		return "", err
+	}
+
+	o, err := os.Create(filepath.Join(dir, "agm.csv"))
+	if err != nil {
+		os.RemoveAll(dir)
+		return "", err
+	}
+
+	out := bufio.NewWriter(o)
+
+	if _, err = io.Copy(out, io.LimitReader(f, maxApprovedGaugeMeasurementSize)); err != nil {
+		o.Close()
+		os.RemoveAll(dir)
+		return "", err
+	}
+
+	if err = out.Flush(); err != nil {
+		o.Close()
+		os.RemoveAll(dir)
+		return "", err
+	}
+
+	return dir, nil
+}
+
+func importApprovedGaugeMeasurements(rw http.ResponseWriter, req *http.Request) {
+
+	dir, err := storeApprovedGaugeMeasurements(req)
+	if err != nil {
+		log.Printf("error: %v\n", err)
+		http.Error(rw, "error: "+err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	agm := &imports.ApprovedGaugeMeasurements{Dir: dir}
+
+	serialized, err := common.ToJSONString(agm)
+	if err != nil {
+		log.Printf("error: %v\n", err)
+		http.Error(rw, "error: "+err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	session, _ := auth.GetSession(req)
+
+	sendEmail := req.FormValue("email") != ""
+
+	var due time.Time
+	if d := req.FormValue("due"); d != "" {
+		var err error
+		if due, err = time.Parse("2006-01-02T15:04:05", d); err != nil {
+			log.Printf("error: %v\n", err)
+		}
+	}
+
+	retries := -1
+	if r := req.FormValue("retries"); r != "" {
+		var err error
+		if retries, err = strconv.Atoi(r); err != nil {
+			log.Printf("error: %v\n", err)
+			retries = -1
+		}
+	}
+
+	jobID, err := imports.AddJob(
+		imports.AGMJobKind,
+		due, retries,
+		session.User,
+		sendEmail,
+		serialized)
+
+	if err != nil {
+		log.Printf("error: %v\n", err)
+		http.Error(rw, "error: "+err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	log.Printf("info: added import #%d to queue\n", jobID)
+
+	result := struct {
+		ID int64 `json:"id"`
+	}{
+		ID: jobID,
+	}
+	SendJSON(rw, http.StatusCreated, &result)
+}