Mercurial > gemma
view pkg/controllers/srimports.go @ 3678:8f58851927c0
client: make layer factory only return new layer config for individual maps
instead of each time it is invoked. The purpose of the factory was to support multiple maps with individual layers.
But returning a new config each time it is invoked leads to bugs that rely on the layer's state. Now this factory
reuses the same objects it created before, per map.
author | Markus Kottlaender <markus@intevation.de> |
---|---|
date | Mon, 17 Jun 2019 17:31:35 +0200 |
parents | 479da494bc09 |
children | 3d2b8f542d89 |
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// 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 ( "archive/zip" "database/sql" "encoding/hex" "fmt" "log" "net/http" "os" "path/filepath" "strconv" "strings" "sync" "time" "github.com/gorilla/mux" "gemma.intevation.de/gemma/pkg/auth" "gemma.intevation.de/gemma/pkg/common" "gemma.intevation.de/gemma/pkg/config" "gemma.intevation.de/gemma/pkg/imports" "gemma.intevation.de/gemma/pkg/misc" "gemma.intevation.de/gemma/pkg/models" ) const ( soundingResultName = "soundingresult" maxSoundingResultSize = 25 * 1024 * 1024 ) func fetchSoundingResult(req *http.Request) (string, error) { // Check first if we have a token. if token := req.FormValue("token"); token != "" { if _, err := hex.DecodeString(token); err != nil { return "", err } dir := config.TmpDir() if dir == "" { dir = os.TempDir() } // XXX: This should hopefully be race-free enough. now := time.Now().Format("2006-15-04-05") dst := filepath.Join(dir, soundingResultName+"-"+token+"-"+now) if err := misc.UnmakeTempFile(token, dst); err != nil { return "", err } return dst, nil } return misc.StoreUploadedFile( req, soundingResultName, "sr.zip", maxSoundingResultSize, ) } func fetchSoundingResultMetaOverrides(sr *imports.SoundingResult, req *http.Request) error { if v := req.FormValue("epsg"); v != "" { epsg, err := strconv.ParseUint(v, 10, 32) if err != nil { return err } srid := uint(epsg) sr.EPSG = &srid } if v := req.FormValue("date"); v != "" { date, err := time.Parse(common.DateFormat, v) if err != nil { return err } sr.Date = &models.Date{Time: date} } if v := req.FormValue("depth-reference"); v != "" { sr.DepthReference = &v } if v := req.FormValue("bottleneck"); v != "" { sr.Bottleneck = &v } if v := req.FormValue("beam-type"); v != "" { var singleBeam bool switch strings.ToLower(v) { case "multibeam": singleBeam = false case "singlebeam": singleBeam = true default: return fmt.Errorf("Unknown beam-type '%s'", v) } sr.SingleBeam = &singleBeam } return nil } func importSoundingResult(rw http.ResponseWriter, req *http.Request) { sr := new(imports.SoundingResult) if err := fetchSoundingResultMetaOverrides(sr, req); err != nil { log.Printf("error: %v\n", err) http.Error(rw, "error: "+err.Error(), http.StatusBadRequest) return } dir, err := fetchSoundingResult(req) if err != nil { log.Printf("error: %v\n", err) http.Error(rw, "error: "+err.Error(), http.StatusInternalServerError) return } sr.Dir = dir serialized, err := common.ToJSONString(sr) 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("send-email") != "" jobID, err := imports.AddJob( imports.SRJobKind, time.Time{}, // due nil, // trys nil, // retry wait 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) } func loadMeta(f *zip.File) (*models.SoundingResultMeta, error) { r, err := f.Open() if err != nil { return nil, err } defer r.Close() var m models.SoundingResultMeta return &m, m.Decode(r) } func uploadSoundingResult( _ interface{}, req *http.Request, conn *sql.Conn, ) (jr JSONResult, err error) { var dir string if dir, err = misc.StoreUploadedFile( req, soundingResultName, "sr.zip", maxSoundingResultSize, ); err != nil { return } srFile := filepath.Join(dir, "sr.zip") var zr *zip.ReadCloser if zr, err = zip.OpenReader(srFile); err != nil { return } var once sync.Once closeOnce := func() { zr.Close() } defer once.Do(closeOnce) var messages []string var result struct { Token string `json:"token,omitempty"` Meta interface{} `json:"meta,omitempty"` Messages []string `json:"messages,omitempty"` } find := func(ext string) *zip.File { return common.FindInZIP(zr, ext) } noXYZ := find(".xyz") == nil && find(".txt") == nil if noXYZ { messages = append(messages, "no .xyz or .txt file found.") } if mj := find("meta.json"); mj == nil { messages = append(messages, "no 'meta.json' file found.") } else { if meta, err := loadMeta(mj); err != nil { messages = append(messages, fmt.Sprintf("'meta.json' found but invalid: %v", err)) } else { errs := meta.Validate(req.Context(), conn) for _, err := range errs { messages = append(messages, fmt.Sprintf("invalid 'meta.json': %v", err)) } result.Meta = meta } } once.Do(closeOnce) code := http.StatusCreated // If there are no XYZ data we cant help the user anyway. if noXYZ { code = http.StatusBadRequest if err2 := os.RemoveAll(dir); err2 != nil { log.Printf("error: %v\n", err2) } } else if result.Token, err = misc.MakeTempFile(dir); err != nil { if err2 := os.RemoveAll(dir); err2 != nil { log.Printf("error: %v\n", err2) } return } result.Messages = messages jr = JSONResult{ Code: code, Result: &result, } return } func deleteSoundingUpload(rw http.ResponseWriter, req *http.Request) { token := mux.Vars(req)["token"] if _, err := hex.DecodeString(token); err != nil { http.Error(rw, "Invalid token", http.StatusBadRequest) return } if err := misc.DeleteTempFile(token); err != nil { http.Error(rw, fmt.Sprintf("error: %v", err), http.StatusInternalServerError) return } result := struct { Message string `json:"message"` }{ Message: fmt.Sprintf("Token %s deleted.", token), } SendJSON(rw, http.StatusOK, &result) }