Mercurial > gemma
view pkg/controllers/surveys.go @ 3488:aa264021e2bf zpg-ldc
merged default into zpg-ldc branch.
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
---|---|
date | Mon, 27 May 2019 16:38:07 +0200 |
parents | ec6163c6687d |
children | 02951a62e8c6 |
line wrap: on
line source
// 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, 2019 by via donau // – Österreichische Wasserstraßen-Gesellschaft mbH // Software engineering by Intevation GmbH // // Author(s): // * Sascha Wilde <sascha.wilde@intevation.de> // * Sascha L. Teichmann <sascha.teichmann@intevation.de> // * Bernhard Reiter <bernhard.reiter@intevation.de> package controllers import ( "database/sql" "net/http" "gemma.intevation.de/gemma/pkg/models" "github.com/gorilla/mux" ) const ( listSurveysSQL = ` SELECT s.bottleneck_id, s.date_info::text, s.depth_reference, g.objname AS gauge_objname, r.value AS waterlevel_value FROM waterway.bottlenecks AS b JOIN waterway.gauges AS g ON b.gauge_location = g.location AND b.gauge_validity = g.validity JOIN waterway.sounding_results AS s ON b.id = s.bottleneck_id LEFT JOIN waterway.gauges_reference_water_levels AS r USING (depth_reference, location, validity) WHERE b.objnam = $1` ) func listSurveys( _ interface{}, req *http.Request, db *sql.Conn, ) (jr JSONResult, err error) { bottleneckName := mux.Vars(req)["bottleneck"] var rows *sql.Rows rows, err = db.QueryContext(req.Context(), listSurveysSQL, bottleneckName) if err != nil { return } defer rows.Close() surveys := []*models.Survey{} // as we do not use the values here, we could simply the code here // to work without an explicit mdels/surverys.go // (like done in controllers/search.go) for rows.Next() { var survey models.Survey var level sql.NullInt64 if err = rows.Scan( &survey.BottleneckID, &survey.DateInfo, &survey.DepthReference, &survey.ReferenceGauge, &level, ); err != nil { return } if level.Valid { survey.WaterLevelValue = &level.Int64 } surveys = append(surveys, &survey) } if err = rows.Err(); err != nil { return } jr = JSONResult{ Result: struct { Surveys []*models.Survey `json:"surveys"` }{surveys}, } return }