Mercurial > gemma

annotate pkg/controllers/importqueue.go @ 1023:337a7f4c8a16

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Add endpoint to list all or some import jobs. Unpaged path: /api/imports Paged path: /api/imports?offset=[0-9+]&limit=[0-9]+
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Wed, 24 Oct 2018 12:24:26 +0200
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children 3de54d7b7d30
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1023
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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 "database/sql"
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18 "net/http"
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19 "strconv"
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20
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21 "gemma.intevation.de/gemma/pkg/models"
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22 "github.com/gorilla/mux"
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23 )
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24
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25 const (
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26 selectImportsUnpagedSQL = `
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27 SELECT
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28 id,
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29 state::varchar,
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30 enqueued,
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31 kind,
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32 username
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33 FROM waterway.imports
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34 ORDER BY id`
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35
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36 selectImportPagedSQL = selectImportsUnpagedSQL + `
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37 LIMIT $1 OFFSET $2`
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38 )
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39
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40 func listImports(
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41 _ interface{},
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42 req *http.Request,
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43 conn *sql.Conn,
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44 ) (jr JSONResult, err error) {
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45 vars := mux.Vars(req)
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46
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47 off, of := vars["offset"]
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48 lim, lf := vars["limit"]
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49
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50 var rows *sql.Rows
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51
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52 if of && lf {
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53 offset, _ := strconv.ParseInt(off, 10, 64)
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54 limit, _ := strconv.ParseInt(lim, 10, 64)
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55 rows, err = conn.QueryContext(
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56 req.Context(), selectImportPagedSQL, limit, offset)
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57 } else {
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58 rows, err = conn.QueryContext(
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59 req.Context(), selectImportsUnpagedSQL)
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60 }
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61 if err != nil {
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62 return
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63 }
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64 defer rows.Close()
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65
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66 imports := make([]*models.Import, 0, 20)
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67
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68 for rows.Next() {
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69 var it models.Import
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70 if err = rows.Scan(
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71 &it.ID,
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72 &it.State,
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73 &it.Enqueued,
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74 &it.Kind,
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75 &it.User,
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76 ); err != nil {
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77 return
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78 }
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79 imports = append(imports, &it)
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80 }
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81
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82 if err = rows.Err(); err != nil {
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83 return
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84 }
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85
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86 jr = JSONResult{
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87 Result: struct {
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88 Imports []*models.Import `json:"imports"`
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89 }{
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90 Imports: imports,
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91 },
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92 }
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93
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94 return
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95 }