annotate pkg/imports/wx.go @ 5012:ae3a1392f9d0

Cosmetics: Tightened code a bit.
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Wed, 11 Mar 2020 23:40:44 +0100
parents e8b2dc771f9e
children 7dff1015283d
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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, 2019 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 // * Tom Gottfried <tom.gottfried@intevation.de>
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14
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15 package imports
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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 "time"
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25
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26 "gemma.intevation.de/gemma/pkg/pgxutils"
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27 "gemma.intevation.de/gemma/pkg/wfs"
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28 )
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29
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30 // WaterwayAxis is an import job to import
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31 // the waterway axes in form of line string geometries
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32 // and attribute data from a WFS service.
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33 type WaterwayAxis struct {
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34 // URL the GetCapabilities URL of the WFS service.
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35 URL string `json:"url"`
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36 // FeatureType selects the feature type of the WFS service.
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37 FeatureType string `json:"feature-type"`
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38 // SortBy works around misconfigured services to
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39 // establish a sort order to get the features.
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40 SortBy string `json:"sort-by"`
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41 // User is an optional username for Basic Auth.
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42 User string `json:"user,omitempty"`
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43 // Password is an optional password for Basic Auth.
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44 Password string `json:"password,omitempty"`
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45 }
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46
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47 // Description gives a short info about relevant facts of this import.
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48 func (wx *WaterwayAxis) Description() (string, error) {
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49 return wx.URL + "|" + wx.FeatureType, nil
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50 }
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51
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52 // WXJobKind is the import queue type identifier.
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53 const WXJobKind JobKind = "wx"
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54
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55 type wxJobCreator struct{}
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56
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57 func init() {
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58 RegisterJobCreator(WXJobKind, wxJobCreator{})
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59 }
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60
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61 func (wxJobCreator) Description() string { return "waterway axis" }
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62
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63 func (wxJobCreator) AutoAccept() bool { return true }
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64
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65 func (wxJobCreator) Create() Job { return new(WaterwayAxis) }
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66
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67 func (wxJobCreator) Depends() [2][]string {
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68 return [2][]string{
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69 {"waterway_axis"},
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70 {},
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71 }
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72 }
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73
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74 // StageDone is a NOP for waterway axis imports.
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75 func (wxJobCreator) StageDone(context.Context, *sql.Tx, int64) error {
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76 return nil
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77 }
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78
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79 // CleanUp for waterway axis imports is a NOP.
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80 func (*WaterwayAxis) CleanUp() error { return nil }
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81
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82 type waterwayAxisProperties struct {
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83 ObjNam string `json:"hydro_objnam"`
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84 NObjNnm *string `json:"hydro_nobjnm"`
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85 }
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86
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87 const (
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88 deleteWaterwayAxisSQL = `
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89 WITH resp AS (
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90 SELECT users.current_user_area_utm() AS a
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91 )
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92 DELETE FROM waterway.waterway_axis
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93 WHERE pg_has_role('sys_admin', 'MEMBER')
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94 OR ST_Covers((SELECT a FROM resp),
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95 ST_Transform(wtwaxs::geometry, (SELECT ST_SRID(a) FROM resp)))
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96 `
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97
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98 insertWaterwayAxisSQL = `
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99 WITH resp AS (
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100 SELECT users.current_user_area_utm() AS a
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101 )
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102 INSERT INTO waterway.waterway_axis (wtwaxs, objnam, nobjnam)
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103 SELECT
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104 ST_Multi(ST_Node(ST_CollectionExtract(ST_Transform(new_ax, 4326), 2))),
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105 $3, $4
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106 FROM ST_GeomFromWKB($1, $2::integer) AS new_line (new_line),
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107 LATERAL (SELECT
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108 CASE WHEN pg_has_role('sys_admin', 'MEMBER')
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109 THEN new_line
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110 ELSE ST_Intersection((SELECT a FROM resp),
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111 ST_Node(ST_Transform(new_line, (SELECT ST_SRID(a) FROM resp))))
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112 END) AS new_ax (new_ax)
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113 -- Do nothing if intersection is empty:
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114 WHERE NOT ST_IsEmpty(new_ax)
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115 RETURNING id
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116 `
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117 )
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118
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119 // Do executes the actual waterway axis import.
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120 func (wx *WaterwayAxis) Do(
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121 ctx context.Context,
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122 importID int64,
8fec3887c7e5 Waterway axis import: Added stub.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
123 conn *sql.Conn,
8fec3887c7e5 Waterway axis import: Added stub.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
124 feedback Feedback,
8fec3887c7e5 Waterway axis import: Added stub.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
125 ) (interface{}, error) {
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parents:
diff changeset
126
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parents: 1677
diff changeset
127 start := time.Now()
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parents: 1677
diff changeset
128
2dc7768be0e4 Waterway axis import: More on reading data from WFS. TODO: Parse to concrete features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
129 feedback.Info("Import waterway axis")
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parents: 1677
diff changeset
130
2dc7768be0e4 Waterway axis import: More on reading data from WFS. TODO: Parse to concrete features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
131 feedback.Info("Loading capabilities from %s", wx.URL)
2dc7768be0e4 Waterway axis import: More on reading data from WFS. TODO: Parse to concrete features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
132 caps, err := wfs.GetCapabilities(wx.URL)
2dc7768be0e4 Waterway axis import: More on reading data from WFS. TODO: Parse to concrete features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
133 if err != nil {
2dc7768be0e4 Waterway axis import: More on reading data from WFS. TODO: Parse to concrete features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
134 feedback.Error("Loading capabilities failed: %v", err)
2dc7768be0e4 Waterway axis import: More on reading data from WFS. TODO: Parse to concrete features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
135 return nil, err
2dc7768be0e4 Waterway axis import: More on reading data from WFS. TODO: Parse to concrete features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
136 }
2dc7768be0e4 Waterway axis import: More on reading data from WFS. TODO: Parse to concrete features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
137
2dc7768be0e4 Waterway axis import: More on reading data from WFS. TODO: Parse to concrete features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
138 ft := caps.FindFeatureType(wx.FeatureType)
2dc7768be0e4 Waterway axis import: More on reading data from WFS. TODO: Parse to concrete features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
139 if ft == nil {
4177
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4147
diff changeset
140 return nil, fmt.Errorf("unknown feature type '%s'", wx.FeatureType)
1679
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parents: 1677
diff changeset
141 }
2dc7768be0e4 Waterway axis import: More on reading data from WFS. TODO: Parse to concrete features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
142
4879
783d0bec86d3 Add missing quotation marks
Tom Gottfried <tom@intevation.de>
parents: 4852
diff changeset
143 feedback.Info("Found feature type '%s'", wx.FeatureType)
1706
fb05027d93b6 Waterway axis: Be more verbose during import about feature type and sorting.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1696
diff changeset
144
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
145 epsg, err := wfs.CRSToEPSG(ft.DefaultCRS)
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
146 if err != nil {
4832
5062ccb2381d Unified error message on "Unsupported CRS"
Sascha Wilde <wilde@intevation.de>
parents: 4799
diff changeset
147 feedback.Error("Unsupported CRS: '%s'", ft.DefaultCRS)
1681
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
148 return nil, err
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
149 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
150
1706
fb05027d93b6 Waterway axis: Be more verbose during import about feature type and sorting.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1696
diff changeset
151 if wx.SortBy != "" {
fb05027d93b6 Waterway axis: Be more verbose during import about feature type and sorting.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1696
diff changeset
152 feedback.Info("Features will be sorted by '%s'", wx.SortBy)
fb05027d93b6 Waterway axis: Be more verbose during import about feature type and sorting.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1696
diff changeset
153 }
fb05027d93b6 Waterway axis: Be more verbose during import about feature type and sorting.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1696
diff changeset
154
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56c8ef515d93 WFS downloader: Use new GML/GeoJSON factory function in gemma.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2719
diff changeset
155 dl, err := wfs.GetFeatures(caps, wx.FeatureType, wx.SortBy)
1679
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
156 if err != nil {
2dc7768be0e4 Waterway axis import: More on reading data from WFS. TODO: Parse to concrete features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
157 feedback.Error("Cannot create GetFeature URLs. %v", err)
2dc7768be0e4 Waterway axis import: More on reading data from WFS. TODO: Parse to concrete features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
158 return nil, err
2dc7768be0e4 Waterway axis import: More on reading data from WFS. TODO: Parse to concrete features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
159 }
2dc7768be0e4 Waterway axis import: More on reading data from WFS. TODO: Parse to concrete features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
160
1681
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
161 tx, err := conn.BeginTx(ctx, nil)
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
162 if err != nil {
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
163 return nil, err
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
164 }
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
165 defer tx.Rollback()
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
166
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
167 insertStmt, err := tx.PrepareContext(ctx, insertWaterwayAxisSQL)
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
168 if err != nil {
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
169 return nil, err
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
170 }
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
171 defer insertStmt.Close()
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
172
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
173 // Delete the old features.
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
174 if _, err := tx.ExecContext(ctx, deleteWaterwayAxisSQL); err != nil {
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
175 return nil, err
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
176 }
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
177
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1679
diff changeset
178 var (
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parents: 1764
diff changeset
179 unsupported = stringCounter{}
1680
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parents: 1679
diff changeset
180 missingProperties int
de8089944b19 Waterway axis import: Started extracting properties from the features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1679
diff changeset
181 badProperties int
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0d79f5eec630 Fix logging in axis import
Tom Gottfried <tom@intevation.de>
parents: 2912
diff changeset
182 outside int
1681
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
183 features int
1680
de8089944b19 Waterway axis import: Started extracting properties from the features.
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parents: 1679
diff changeset
184 )
1679
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
185
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2726
diff changeset
186 if err := dl.Download(wx.User, wx.Password, func(url string, r io.Reader) error {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1828
diff changeset
187 feedback.Info("Get features from: '%s'", url)
1679
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
188 rfc, err := wfs.ParseRawFeatureCollection(r)
2dc7768be0e4 Waterway axis import: More on reading data from WFS. TODO: Parse to concrete features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
189 if err != nil {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1754
diff changeset
190 return fmt.Errorf("parsing GetFeature document failed: %v", err)
1679
2dc7768be0e4 Waterway axis import: More on reading data from WFS. TODO: Parse to concrete features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
191 }
1681
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
192 if rfc.CRS != nil {
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
193 crsName := rfc.CRS.Properties.Name
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
194 if epsg, err = wfs.CRSToEPSG(crsName); err != nil {
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
195 feedback.Error("Unsupported CRS: %d", crsName)
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
196 return err
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
197 }
1679
2dc7768be0e4 Waterway axis import: More on reading data from WFS. TODO: Parse to concrete features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
198 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
199
2dc7768be0e4 Waterway axis import: More on reading data from WFS. TODO: Parse to concrete features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
200 // No features -> ignore.
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
201 if rfc.Features == nil {
2dc7768be0e4 Waterway axis import: More on reading data from WFS. TODO: Parse to concrete features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
202 return nil
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
203 }
1680
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1679
diff changeset
204
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509e8728e846 Fixed pre-calculated size of 2D WKB line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1682
diff changeset
205 feedback.Info("Using EPSG: %d", epsg)
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1682
diff changeset
206
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5850ac0f9ab6 Axis import: do not fail if one item fails.
Tom Gottfried <tom@intevation.de>
parents: 2730
diff changeset
207 savepoint := Savepoint(ctx, tx, "feature")
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Tom Gottfried <tom@intevation.de>
parents: 2730
diff changeset
208
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
209 for _, feature := range rfc.Features {
1681
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
210 if feature.Properties == nil || feature.Geometry.Coordinates == nil {
1680
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1679
diff changeset
211 missingProperties++
de8089944b19 Waterway axis import: Started extracting properties from the features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1679
diff changeset
212 continue
de8089944b19 Waterway axis import: Started extracting properties from the features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1679
diff changeset
213 }
de8089944b19 Waterway axis import: Started extracting properties from the features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1679
diff changeset
214
de8089944b19 Waterway axis import: Started extracting properties from the features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1679
diff changeset
215 var props waterwayAxisProperties
de8089944b19 Waterway axis import: Started extracting properties from the features.
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parents: 1679
diff changeset
216
de8089944b19 Waterway axis import: Started extracting properties from the features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1679
diff changeset
217 if err := json.Unmarshal(*feature.Properties, &props); err != nil {
de8089944b19 Waterway axis import: Started extracting properties from the features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1679
diff changeset
218 badProperties++
de8089944b19 Waterway axis import: Started extracting properties from the features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1679
diff changeset
219 continue
de8089944b19 Waterway axis import: Started extracting properties from the features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1679
diff changeset
220 }
de8089944b19 Waterway axis import: Started extracting properties from the features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1679
diff changeset
221
1681
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
222 var nobjnam sql.NullString
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
223 if props.NObjNnm != nil {
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
224 nobjnam = sql.NullString{String: *props.NObjNnm, Valid: true}
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
225 }
1680
de8089944b19 Waterway axis import: Started extracting properties from the features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1679
diff changeset
226
5009
e8b2dc771f9e Store axis as MultiLinestring
Tom Gottfried <tom@intevation.de>
parents: 4879
diff changeset
227 var ls multiLineSlice
1679
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
228 switch feature.Geometry.Type {
2dc7768be0e4 Waterway axis import: More on reading data from WFS. TODO: Parse to concrete features.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
229 case "LineString":
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Sascha L. Teichmann <teichmann@intevation.de>
parents: 1764
diff changeset
230 var l lineSlice
1681
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
231 if err := json.Unmarshal(*feature.Geometry.Coordinates, &l); err != nil {
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
232 return err
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
233 }
5009
e8b2dc771f9e Store axis as MultiLinestring
Tom Gottfried <tom@intevation.de>
parents: 4879
diff changeset
234 ls = append(ls, l)
1679
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1677
diff changeset
235 case "MultiLineString":
1681
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1680
diff changeset
236 if err := json.Unmarshal(*feature.Geometry.Coordinates, &ls); err != nil {
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
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237 return err
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238 }
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239 default:
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240 unsupported[feature.Geometry.Type]++
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241 continue
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242 }
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243 if err := storeLinestring(
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244 ctx,
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245 savepoint,
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246 feedback,
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247 ls,
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248 epsg,
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249 props,
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250 nobjnam,
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251 &outside,
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252 &features,
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253 insertStmt); err != nil {
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254 return err
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255 }
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256 }
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257 return nil
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258 }); err != nil {
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parents: 1677
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259 return nil, err
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parents: 1677
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260 }
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261
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262 if badProperties > 0 {
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263 feedback.Warn("Bad properties: %d", badProperties)
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264 }
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265
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266 if missingProperties > 0 {
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267 feedback.Warn("Missing properties: %d", missingProperties)
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268 }
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269
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270 if len(unsupported) != 0 {
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271 feedback.Warn("Unsupported types found: %s", unsupported)
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272 }
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273
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274 if outside > 0 {
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275 feedback.Info("Features outside responsibility area: %d", outside)
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276 }
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diff changeset
277
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parents: 1796
diff changeset
278 if features == 0 {
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parents: 4147
diff changeset
279 return nil, errors.New("no features found")
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parents: 1796
diff changeset
280 }
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parents: 1796
diff changeset
281
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diff changeset
282 if err = tx.Commit(); err == nil {
4d6ce621379e Waterway axis import: Completed, but the final commit unexpectedly resulted in rollback.
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parents: 1680
diff changeset
283 feedback.Info("Storing %d features took %s",
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diff changeset
284 features, time.Since(start))
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285 }
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parents: 1677
diff changeset
286
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diff changeset
287 return nil, err
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parents:
diff changeset
288 }
2726
dff749c07ae0 Warn if imported axis linestrings cross each other
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parents: 2723
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289
dff749c07ae0 Warn if imported axis linestrings cross each other
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290 func storeLinestring(
dff749c07ae0 Warn if imported axis linestrings cross each other
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291 ctx context.Context,
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parents: 2730
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292 savepoint func(func() error) error,
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293 feedback Feedback,
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294 l multiLineSlice,
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diff changeset
295 epsg int,
dff749c07ae0 Warn if imported axis linestrings cross each other
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diff changeset
296 props waterwayAxisProperties,
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297 nobjnam sql.NullString,
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diff changeset
298 outside, features *int,
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72451510d417 Remove expensive check with doubtful usefulness
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299 insertStmt *sql.Stmt,
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dff749c07ae0 Warn if imported axis linestrings cross each other
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diff changeset
300 ) error {
dff749c07ae0 Warn if imported axis linestrings cross each other
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diff changeset
301 var id int
2937
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diff changeset
302 err := savepoint(func() error {
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diff changeset
303 err := insertStmt.QueryRowContext(
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parents: 2730
diff changeset
304 ctx,
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parents: 2730
diff changeset
305 l.asWKB(),
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parents: 2730
diff changeset
306 epsg,
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parents: 2730
diff changeset
307 props.ObjNam,
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parents: 2730
diff changeset
308 nobjnam,
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parents: 2730
diff changeset
309 ).Scan(&id)
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dff749c07ae0 Warn if imported axis linestrings cross each other
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parents: 2723
diff changeset
310 return err
2937
0d79f5eec630 Fix logging in axis import
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parents: 2912
diff changeset
311 })
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parents: 2912
diff changeset
312 switch {
0d79f5eec630 Fix logging in axis import
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parents: 2912
diff changeset
313 case err == sql.ErrNoRows:
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parents: 2912
diff changeset
314 *outside++
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Tom Gottfried <tom@intevation.de>
parents: 2912
diff changeset
315 // ignore -> filtered by responsibility_areas
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parents: 2912
diff changeset
316 return nil
0d79f5eec630 Fix logging in axis import
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parents: 2912
diff changeset
317 case err != nil:
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5d7ce7f926eb Log fatal errors as errors, not warnings, in imports
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parents: 4177
diff changeset
318 feedback.Error(pgxutils.ReadableError{Err: err}.Error())
2937
0d79f5eec630 Fix logging in axis import
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parents: 2912
diff changeset
319 default:
0d79f5eec630 Fix logging in axis import
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parents: 2912
diff changeset
320 *features++
2726
dff749c07ae0 Warn if imported axis linestrings cross each other
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parents: 2723
diff changeset
321 }
dff749c07ae0 Warn if imported axis linestrings cross each other
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parents: 2723
diff changeset
322 return nil
dff749c07ae0 Warn if imported axis linestrings cross each other
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parents: 2723
diff changeset
323 }