Mercurial > gemma
annotate pkg/controllers/imports.go @ 1130:42617bba8709
Go from 50cm to 10cm stepwidth in calculating the contorlines.
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Wed, 07 Nov 2018 17:54:31 +0100 |
parents | a244b18cb916 |
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rev | line source |
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1017
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1 // This is Free Software under GNU Affero General Public License v >= 3.0 |
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2 // without warranty, see README.md and license for details. |
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3 // |
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4 // SPDX-License-Identifier: AGPL-3.0-or-later |
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5 // License-Filename: LICENSES/AGPL-3.0.txt |
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6 // |
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7 // Copyright (C) 2018 by via donau |
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8 // – Österreichische Wasserstraßen-Gesellschaft mbH |
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9 // Software engineering by Intevation GmbH |
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10 // |
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11 // Author(s): |
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12 // * Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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13 |
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14 package controllers |
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15 |
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16 import ( |
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17 "bufio" |
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18 "io" |
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19 "io/ioutil" |
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20 "log" |
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21 "net/http" |
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22 "os" |
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23 "path/filepath" |
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24 |
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25 "gemma.intevation.de/gemma/pkg/auth" |
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26 "gemma.intevation.de/gemma/pkg/config" |
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27 "gemma.intevation.de/gemma/pkg/imports" |
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28 ) |
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29 |
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30 const ( |
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31 maxSoundingResultSize = 25 * 1024 * 1024 |
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32 soundingResultName = "soundingresult" |
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33 ) |
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34 |
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35 func downloadSoundingResult(req *http.Request) (string, error) { |
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36 |
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37 f, _, err := req.FormFile(soundingResultName) |
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38 if err != nil { |
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39 return "", err |
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40 } |
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41 defer f.Close() |
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42 |
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43 dir, err := ioutil.TempDir(config.TmpDir(), soundingResultName) |
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44 if err != nil { |
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45 return "", err |
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46 } |
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47 |
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48 o, err := os.Create(filepath.Join(dir, "sr.zip")) |
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49 if err != nil { |
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50 os.RemoveAll(dir) |
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51 return "", err |
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52 } |
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53 |
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54 out := bufio.NewWriter(o) |
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55 |
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56 if _, err = io.Copy(out, io.LimitReader(f, maxSoundingResultSize)); err != nil { |
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57 o.Close() |
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58 os.RemoveAll(dir) |
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59 return "", err |
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60 } |
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61 |
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62 if err = out.Flush(); err != nil { |
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63 o.Close() |
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64 os.RemoveAll(dir) |
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65 return "", err |
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66 } |
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67 |
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68 return dir, nil |
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69 } |
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70 |
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71 func importSoundingResult(rw http.ResponseWriter, req *http.Request) { |
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72 |
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73 dir, err := downloadSoundingResult(req) |
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74 if err != nil { |
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75 log.Printf("error: %v\n", err) |
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76 http.Error(rw, "error: "+err.Error(), http.StatusInternalServerError) |
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77 return |
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78 } |
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79 |
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80 session, _ := auth.GetSession(req) |
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81 |
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82 jobID, err := imports.AddJob(imports.SRJobKind, session.User, dir) |
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83 if err != nil { |
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84 log.Printf("error: %v\n", err) |
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85 http.Error(rw, "error: "+err.Error(), http.StatusInternalServerError) |
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86 return |
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87 } |
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88 |
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89 log.Printf("info: added import #%d to queue\n", jobID) |
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90 |
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91 result := struct { |
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92 ID int64 `json:"id"` |
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93 }{ |
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94 ID: jobID, |
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95 } |
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96 SendJSON(rw, http.StatusCreated, &result) |
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97 } |