Mercurial > gemma
annotate pkg/imports/fd.go @ 1900:6a67cd819e93
To prepare stretch import made some model data types re-usable.
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Fri, 18 Jan 2019 15:04:53 +0100 |
parents | 8a56a64e4410 |
children | ec7360afd5e1 |
rev | line source |
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1841
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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 // * Raimund Renkert <raimund.renkert@intevation.de> |
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13 |
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14 package imports |
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15 |
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16 import ( |
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17 "context" |
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18 "database/sql" |
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19 "encoding/json" |
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20 "errors" |
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21 "fmt" |
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22 "io" |
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23 "time" |
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24 |
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25 "gemma.intevation.de/gemma/pkg/common" |
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26 "gemma.intevation.de/gemma/pkg/wfs" |
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27 ) |
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28 |
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29 // FairwayDimension is an import job to import |
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30 // the fairway dimensions in form of polygon geometries |
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31 // and attribute data from a WFS service. |
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32 type FairwayDimension struct { |
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33 // URL the GetCapabilities URL of the WFS service. |
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34 URL string `json:"url"` |
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35 // FeatureType selects the feature type of the WFS service. |
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36 FeatureType string `json:"feature-type"` |
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37 SortBy string `json:"sort-by"` |
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38 LOS int `json:"los"` |
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39 MinWidth int `json:"min-width"` |
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40 MaxWidth int `json:"max-width"` |
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41 Depth int `json:"depth"` |
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42 SourceOrganization string `json:"source-organization"` |
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43 } |
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44 |
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45 type fdTime struct{ time.Time } |
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46 |
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47 func (fdt *fdTime) UnmarshalJSON(data []byte) error { |
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48 var s string |
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49 if err := json.Unmarshal(data, &s); err != nil { |
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50 return err |
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51 } |
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52 t, err := time.Parse("20060102", s) |
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53 if err == nil { |
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54 *fdt = fdTime{t} |
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55 } |
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56 return err |
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57 } |
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58 |
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59 // FDJobKind is the import queue type identifier. |
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60 const FDJobKind JobKind = "fd" |
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61 |
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62 type fdJobCreator struct{} |
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63 |
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64 func init() { |
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65 RegisterJobCreator(FDJobKind, fdJobCreator{}) |
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66 } |
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67 |
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68 func (fdJobCreator) Description() string { return "fairway dimension" } |
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69 |
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70 func (fdJobCreator) AutoAccept() bool { return false } |
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71 |
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72 func (fdJobCreator) Create(_ JobKind, data string) (Job, error) { |
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73 fd := new(FairwayDimension) |
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74 if err := common.FromJSONString(data, fd); err != nil { |
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75 return nil, err |
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76 } |
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77 return fd, nil |
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78 } |
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79 |
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80 func (fdJobCreator) Depends() []string { |
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81 return []string{ |
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82 "fairway_dimensions", |
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83 } |
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84 } |
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85 |
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86 func (fdJobCreator) StageDone( |
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87 ctx context.Context, |
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88 tx *sql.Tx, |
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89 id int64, |
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90 ) error { |
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91 // Delete the old features. |
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92 if _, err := tx.ExecContext(ctx, deleteFairwayDimensionSQL); err != nil { |
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93 return err |
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94 } |
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95 |
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96 _, err := tx.ExecContext(ctx, fdStageDoneSQL, id) |
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97 return err |
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98 } |
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99 |
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100 // CleanUp for fairway dimension imports is a NOP. |
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101 func (*FairwayDimension) CleanUp() error { return nil } |
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102 |
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103 type fairwayDimensionProperties struct { |
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104 HydroSorDat fdTime `json:"hydro_sordat"` |
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105 } |
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106 |
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107 type fdSummary struct { |
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108 Lat float64 `json:"lat"` |
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109 Lon float64 `json:"lon"` |
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110 ID int64 `json:"id"` |
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111 } |
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112 |
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113 const ( |
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114 fdStageDoneSQL = ` |
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115 UPDATE waterway.fairway_dimensions SET staging_done = true |
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116 WHERE id IN ( |
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117 SELECT key from waterway.track_imports |
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118 WHERE import_id = $1 AND |
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119 relation = 'waterway.fairway_dimensions'::regclass)` |
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Put fairway dimension import to staging area.
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1841
diff
changeset
|
120 |
1841
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|
121 deleteFairwayDimensionSQL = ` |
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Implemented fairway dimension import.
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parents:
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122 WITH resp AS ( |
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Implemented fairway dimension import.
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parents:
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|
123 SELECT best_utm(area::geometry) AS t, |
491f5b68da9e
Implemented fairway dimension import.
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parents:
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|
124 ST_Transform(area::geometry, best_utm(area::geometry)) AS a |
491f5b68da9e
Implemented fairway dimension import.
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parents:
diff
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|
125 FROM users.responsibility_areas |
491f5b68da9e
Implemented fairway dimension import.
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parents:
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|
126 WHERE country = users.current_user_country() |
491f5b68da9e
Implemented fairway dimension import.
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parents:
diff
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|
127 ) |
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Implemented fairway dimension import.
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parents:
diff
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|
128 DELETE FROM waterway.fairway_dimensions |
491f5b68da9e
Implemented fairway dimension import.
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129 WHERE ST_Covers( |
491f5b68da9e
Implemented fairway dimension import.
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|
130 (SELECT a FROM resp), |
1893
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Track fairway dimension import and delete old data on staging done.
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parents:
1890
diff
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|
131 ST_Transform(area::geometry, (SELECT t FROM resp))) AND staging_done = true |
1841
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|
132 ` |
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Implemented fairway dimension import.
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|
133 |
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parents:
diff
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|
134 // The ST_MakeValid (line125) and ST_Buffer (line124) are a workarround to |
491f5b68da9e
Implemented fairway dimension import.
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parents:
diff
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|
135 // avoid errors due to reprojection. |
491f5b68da9e
Implemented fairway dimension import.
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parents:
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|
136 insertFairwayDimensionSQL = ` |
491f5b68da9e
Implemented fairway dimension import.
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parents:
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changeset
|
137 WITH resp AS ( |
491f5b68da9e
Implemented fairway dimension import.
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parents:
diff
changeset
|
138 SELECT best_utm(area::geometry) AS t, |
491f5b68da9e
Implemented fairway dimension import.
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parents:
diff
changeset
|
139 ST_Transform(area::geometry, best_utm(area::geometry)) AS a |
491f5b68da9e
Implemented fairway dimension import.
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parents:
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|
140 FROM users.responsibility_areas |
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Implemented fairway dimension import.
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|
141 WHERE country = users.current_user_country() |
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Implemented fairway dimension import.
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|
142 ) |
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|
143 INSERT INTO waterway.fairway_dimensions (area, level_of_service, min_width, max_width, min_depth, date_info, source_organization) |
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Implemented fairway dimension import.
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144 SELECT ST_Transform(clipped.geom, 4326)::geography, $3, $4, $5, $6, $7, $8 FROM ( |
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Implemented fairway dimension import.
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145 SELECT (ST_Dump( |
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Implemented fairway dimension import.
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|
146 ST_Intersection( |
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Implemented fairway dimension import.
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|
147 (SELECT ST_Buffer(a, -0.0001) FROM resp), |
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Implemented fairway dimension import.
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148 ST_MakeValid(ST_Transform( |
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Implemented fairway dimension import.
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|
149 ST_GeomFromWKB($1, $2::integer), |
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|
150 (SELECT t FROM resp) |
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|
151 )) |
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|
152 ) |
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|
153 )).geom AS geom |
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154 ) AS clipped |
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|
155 WHERE clipped.geom IS NOT NULL |
1898
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Summarize the result of fairway dimension import for review.
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156 RETURNING id, |
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Summarize the result of fairway dimension import for review.
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|
157 ST_X(ST_Centroid(area::geometry)), |
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Summarize the result of fairway dimension import for review.
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|
158 ST_Y(ST_Centroid(area::geometry)) |
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Summarize the result of fairway dimension import for review.
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|
159 ` |
1841
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|
160 ) |
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|
161 |
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|
162 // Do executes the actual fairway dimension import. |
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|
163 func (fd *FairwayDimension) Do( |
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Implemented fairway dimension import.
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|
164 ctx context.Context, |
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Implemented fairway dimension import.
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|
165 importID int64, |
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Implemented fairway dimension import.
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|
166 conn *sql.Conn, |
491f5b68da9e
Implemented fairway dimension import.
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|
167 feedback Feedback, |
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Implemented fairway dimension import.
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|
168 ) (interface{}, error) { |
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Implemented fairway dimension import.
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|
169 |
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|
170 start := time.Now() |
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|
171 |
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172 feedback.Info("Import fairway dimension") |
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Implemented fairway dimension import.
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|
173 |
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parents:
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|
174 feedback.Info("Loading capabilities from %s", fd.URL) |
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|
175 caps, err := wfs.GetCapabilities(fd.URL) |
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|
176 if err != nil { |
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diff
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|
177 feedback.Error("Loading capabilities failed: %v", err) |
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|
178 return nil, err |
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parents:
diff
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|
179 } |
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Implemented fairway dimension import.
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parents:
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|
180 |
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|
181 ft := caps.FindFeatureType(fd.FeatureType) |
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Implemented fairway dimension import.
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|
182 if ft == nil { |
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Implemented fairway dimension import.
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parents:
diff
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|
183 return nil, fmt.Errorf("Unknown feature type '%s'", fd.FeatureType) |
491f5b68da9e
Implemented fairway dimension import.
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parents:
diff
changeset
|
184 } |
491f5b68da9e
Implemented fairway dimension import.
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parents:
diff
changeset
|
185 |
491f5b68da9e
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parents:
diff
changeset
|
186 feedback.Info("Found feature type '%s'", fd.FeatureType) |
491f5b68da9e
Implemented fairway dimension import.
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parents:
diff
changeset
|
187 |
491f5b68da9e
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parents:
diff
changeset
|
188 epsg, err := wfs.CRSToEPSG(ft.DefaultCRS) |
491f5b68da9e
Implemented fairway dimension import.
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parents:
diff
changeset
|
189 if err != nil { |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
190 feedback.Error("Unsupported CRS name '%s'", ft.DefaultCRS) |
491f5b68da9e
Implemented fairway dimension import.
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parents:
diff
changeset
|
191 return nil, err |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
192 } |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
193 |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
194 urls, err := wfs.GetFeaturesGET( |
491f5b68da9e
Implemented fairway dimension import.
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parents:
diff
changeset
|
195 caps, fd.FeatureType, "application/json", fd.SortBy) |
491f5b68da9e
Implemented fairway dimension import.
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parents:
diff
changeset
|
196 if err != nil { |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
197 feedback.Error("Cannot create GetFeature URLs. %v", err) |
491f5b68da9e
Implemented fairway dimension import.
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parents:
diff
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|
198 return nil, err |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
199 } |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
200 |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
201 tx, err := conn.BeginTx(ctx, nil) |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
202 if err != nil { |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
203 return nil, err |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
204 } |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
205 defer tx.Rollback() |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
206 |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
207 insertStmt, err := tx.PrepareContext(ctx, insertFairwayDimensionSQL) |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
208 if err != nil { |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
209 return nil, err |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
210 } |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
211 defer insertStmt.Close() |
491f5b68da9e
Implemented fairway dimension import.
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parents:
diff
changeset
|
212 |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
213 var ( |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
214 unsupported = stringCounter{} |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
215 missingProperties int |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
216 badProperties int |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
217 features int |
1898
8a56a64e4410
Summarize the result of fairway dimension import for review.
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parents:
1893
diff
changeset
|
218 fds []fdSummary |
1841
491f5b68da9e
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parents:
diff
changeset
|
219 ) |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
220 |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
221 if err := wfs.DownloadURLs(urls, func(r io.Reader) error { |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
222 rfc, err := wfs.ParseRawFeatureCollection(r) |
491f5b68da9e
Implemented fairway dimension import.
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parents:
diff
changeset
|
223 if err != nil { |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
224 return fmt.Errorf("parsing GetFeature document failed: %v", err) |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
225 } |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
226 if rfc.CRS != nil { |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
227 crsName := rfc.CRS.Properties.Name |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
228 if epsg, err = wfs.CRSToEPSG(crsName); err != nil { |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
229 feedback.Error("Unsupported CRS: %d", crsName) |
491f5b68da9e
Implemented fairway dimension import.
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parents:
diff
changeset
|
230 return err |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
231 } |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
232 } |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
233 |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
234 // No features -> ignore. |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
235 if rfc.Features == nil { |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
236 return nil |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
237 } |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
238 |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
239 feedback.Info("Using EPSG: %d", epsg) |
491f5b68da9e
Implemented fairway dimension import.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff
changeset
|
240 |
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241 for _, feature := range rfc.Features { |
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242 if feature.Geometry.Coordinates == nil { |
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243 missingProperties++ |
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244 continue |
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245 } |
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246 |
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247 var props fairwayDimensionProperties |
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248 |
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249 if err := json.Unmarshal(*feature.Properties, &props); err != nil { |
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250 badProperties++ |
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251 continue |
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252 } |
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253 switch feature.Geometry.Type { |
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254 case "Polygon": |
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255 var p polygonSlice |
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256 if err := json.Unmarshal(*feature.Geometry.Coordinates, &p); err != nil { |
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257 return err |
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258 } |
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259 var fdid int64 |
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260 var lat, lon float64 |
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261 if err := insertStmt.QueryRowContext( |
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262 ctx, |
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263 p.asWKB(), |
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264 epsg, |
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265 fd.LOS, |
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266 fd.MinWidth, |
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267 fd.MaxWidth, |
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268 fd.Depth, |
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269 props.HydroSorDat.Time, |
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270 fd.SourceOrganization, |
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271 ).Scan(&fdid, &lat, &lon); err != nil { |
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272 feedback.Error("error: %s", err) |
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273 return err |
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274 } |
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275 // Store for potential later removal. |
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276 if err = track(ctx, tx, importID, "waterway.fairway_dimensions", fdid); err != nil { |
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277 return err |
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278 } |
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279 fds = append(fds, fdSummary{ID: fdid, Lat: lat, Lon: lon}) |
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280 |
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281 features++ |
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282 default: |
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283 unsupported[feature.Geometry.Type]++ |
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284 } |
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285 } |
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286 return nil |
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287 }); err != nil { |
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288 feedback.Error("Downloading features failed: %v", err) |
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289 return nil, err |
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290 } |
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291 |
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292 if badProperties > 0 { |
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293 feedback.Warn("Bad properties: %d", badProperties) |
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294 } |
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295 |
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296 if missingProperties > 0 { |
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297 feedback.Warn("Missing properties: %d", missingProperties) |
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298 } |
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299 |
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300 if len(unsupported) != 0 { |
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301 feedback.Warn("Unsupported types found: %s", unsupported) |
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302 } |
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303 |
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304 if features == 0 { |
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305 err := errors.New("No features found") |
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306 feedback.Error("%v", err) |
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307 return nil, err |
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308 } |
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309 |
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310 if err = tx.Commit(); err == nil { |
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311 feedback.Info("Storing %d features took %s", |
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312 features, time.Since(start)) |
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|
313 } |
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314 |
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315 summary := struct { |
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316 Date time.Time `json:"date"` |
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317 LOS int `json:"los"` |
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318 SourceOrganization string `json:"source-organization"` |
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319 FdArea []fdSummary `json:"fd-area"` |
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320 }{ |
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321 Date: time.Now(), |
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322 LOS: fd.LOS, |
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323 SourceOrganization: fd.SourceOrganization, |
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324 FdArea: fds, |
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325 } |
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326 return &summary, err |
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327 } |