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annotate pkg/models/sr.go @ 2006:35acb7f9ae0c

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Do anything else before expectedly failing role creation Creating roles during database setup expectedly fails in case there already is another gemma database in the cluster. Doing it at the end of the transaction ensures it does not hide errors in other commands in the script. In passing, add the default admin via the designated view to ensure it will become a correctly set up application user.
author Tom Gottfried <tom@intevation.de>
date Thu, 24 Jan 2019 17:23:43 +0100
parents 6a67cd819e93
children df6383831ad3
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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 // * Bernhard E. Reiter <bernhard.reiter@intevation.de>
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14
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15 package models
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16
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17 import (
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18 "context"
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19 "database/sql"
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20 "encoding/json"
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21 "errors"
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22 "fmt"
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23 "io"
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24 )
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25
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26 type (
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27 SoundingResultMeta struct {
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28 Date Date `json:"date"`
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29 Bottleneck string `json:"bottleneck"`
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30 EPSG uint `json:"epsg"`
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31 DepthReference string `json:"depth-reference"`
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32 }
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33 )
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34
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35 const (
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36 checkDepthReferenceSQL = `
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37 SELECT true FROM depth_references WHERE depth_reference = $1`
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38
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39 checkBottleneckSQL = `
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40 SELECT true FROM waterway.bottlenecks WHERE objnam = $1`
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41
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42 checkBottleneckDateUniqueSQL = `
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43 SELECT true FROM waterway.sounding_results sr JOIN
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44 waterway.bottlenecks bn ON sr.bottleneck_id = bn.id
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45 WHERE bn.objnam = $1 AND sr.date_info = $2`
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46 )
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47
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48 func (m *SoundingResultMeta) Decode(r io.Reader) error {
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49 err := json.NewDecoder(r).Decode(m)
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50 if err == nil && m.EPSG == 0 {
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51 m.EPSG = WGS84
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52 }
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53 return err
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54 }
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55
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56 func (m *SoundingResultMeta) Validate(ctx context.Context, conn *sql.Conn) []error {
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57
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58 var errs []error
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59
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60 var b bool
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61 err := conn.QueryRowContext(ctx,
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62 checkDepthReferenceSQL,
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63 m.DepthReference).Scan(&b)
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64 switch {
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65 case err == sql.ErrNoRows:
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66 errs = append(errs, fmt.Errorf("unknown depth reference '%s'", m.DepthReference))
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67 case err != nil:
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68 errs = append(errs, err)
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69 case !b:
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70 errs = append(errs, errors.New("unexpected depth reference"))
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71 }
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72
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73 err = conn.QueryRowContext(ctx,
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74 checkBottleneckSQL,
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75 m.Bottleneck).Scan(&b)
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76 switch {
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77 case err == sql.ErrNoRows:
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78 errs = append(errs, fmt.Errorf("unknown bottleneck '%s'", m.Bottleneck))
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79 case err != nil:
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80 errs = append(errs, err)
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81 case !b:
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82 errs = append(errs, errors.New("unexpected bottleneck"))
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83 }
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84
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85 err = conn.QueryRowContext(ctx,
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86 checkBottleneckDateUniqueSQL,
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87 m.Bottleneck, m.Date.Time).Scan(&b)
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88 switch {
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89 case err == sql.ErrNoRows: // good! -> unique.
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90 case err != nil:
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91 errs = append(errs, err)
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92 case b:
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93 errs = append(errs,
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94 errors.New("sounding result for this date already exists"))
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95 }
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96
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97 return errs
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98 }