Mercurial > gemma
view pkg/models/sr.go @ 2624:9dbaf69c7a66
Improve geoserver config to better calculate bounding boxes
* Disable the use of estimated extents for the postgis storage
configuration for geoserver, which is set via the gemma middleware.
This way we are able to get better bounding boxes for many layers
where the postgis function `ST_EstimatedExtent()` would be far off.
author | Bernhard Reiter <bernhard@intevation.de> |
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date | Wed, 13 Mar 2019 16:18:39 +0100 |
parents | df6383831ad3 |
children | 5bc941d9ec43 |
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// This is Free Software under GNU Affero General Public License v >= 3.0 // without warranty, see README.md and license for details. // // SPDX-License-Identifier: AGPL-3.0-or-later // License-Filename: LICENSES/AGPL-3.0.txt // // Copyright (C) 2018 by via donau // – Österreichische Wasserstraßen-Gesellschaft mbH // Software engineering by Intevation GmbH // // Author(s): // * Sascha L. Teichmann <sascha.teichmann@intevation.de> // * Bernhard E. Reiter <bernhard.reiter@intevation.de> package models import ( "context" "database/sql" "encoding/json" "errors" "fmt" "io" "gemma.intevation.de/gemma/pkg/common" ) type ( SoundingResultMeta struct { Date Date `json:"date"` Bottleneck string `json:"bottleneck"` EPSG uint `json:"epsg"` DepthReference string `json:"depth-reference"` } ) const ( checkDepthReferenceSQL = ` SELECT true FROM depth_references WHERE depth_reference = $1` checkBottleneckSQL = ` SELECT true FROM waterway.bottlenecks WHERE objnam = $1` checkBottleneckDateUniqueSQL = ` SELECT true FROM waterway.sounding_results sr JOIN waterway.bottlenecks bn ON sr.bottleneck_id = bn.id WHERE bn.objnam = $1 AND sr.date_info = $2` ) func (m *SoundingResultMeta) Decode(r io.Reader) error { err := json.NewDecoder(r).Decode(m) if err == nil && m.EPSG == 0 { m.EPSG = WGS84 } return err } func (m *SoundingResultMeta) Validate(ctx context.Context, conn *sql.Conn) []error { var errs []error var b bool err := conn.QueryRowContext(ctx, checkDepthReferenceSQL, m.DepthReference).Scan(&b) switch { case err == sql.ErrNoRows: errs = append(errs, fmt.Errorf("unknown depth reference '%s'", m.DepthReference)) case err != nil: errs = append(errs, err) case !b: errs = append(errs, errors.New("unexpected depth reference")) } err = conn.QueryRowContext(ctx, checkBottleneckSQL, m.Bottleneck).Scan(&b) switch { case err == sql.ErrNoRows: errs = append(errs, fmt.Errorf("unknown bottleneck '%s'", m.Bottleneck)) case err != nil: errs = append(errs, err) case !b: errs = append(errs, errors.New("unexpected bottleneck")) } err = conn.QueryRowContext(ctx, checkBottleneckDateUniqueSQL, m.Bottleneck, m.Date.Time).Scan(&b) switch { case err == sql.ErrNoRows: // good! -> unique. case err != nil: errs = append(errs, err) case b: errs = append(errs, fmt.Errorf("sounding result for date %s already exists at bottleneck '%s'", m.Date.Time.Format(common.DateFormat), m.Bottleneck)) } return errs }