Mercurial > gemma
view pkg/models/sr.go @ 1644:eadf84bb0e98
New config variable 'external-url'.
Deep inside the import queue we don't known the URL we find the server at.
We don't have any HTTP request we can derive this information wrong
so it needs to be configured.
Defaults to http://${web-host}:${web-port} .
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Thu, 20 Dec 2018 14:39:23 +0100 |
parents | 056a86b24be2 |
children | 6a67cd819e93 |
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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" "time" ) const SoundingResultDateFormat = "2006-01-02" type ( SoundingResultDate struct{ time.Time } SoundingResultMeta struct { Date SoundingResultDate `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 (srd SoundingResultDate) MarshalJSON() ([]byte, error) { return json.Marshal(srd.Format(SoundingResultDateFormat)) } func (srd *SoundingResultDate) UnmarshalJSON(data []byte) error { var s string if err := json.Unmarshal(data, &s); err != nil { return err } d, err := time.Parse(SoundingResultDateFormat, s) if err == nil { *srd = SoundingResultDate{d} } return err } 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, errors.New("sounding result for this date already exists")) } return errs }