Mercurial > gemma
view pkg/models/extservices.go @ 2685:39a05f8c34e6 import-overview-rework
import_overview: Refactoring of detailed information.
When the entry is opened, a request is made to retrieve the
detailed information for this entry. It contains the log
protocol information as well as the executive summary.
This is passed down to child components of the entry.
author | Thomas Junk <thomas.junk@intevation.de> |
---|---|
date | Fri, 15 Mar 2019 13:42:49 +0100 |
parents | cabf4789e02b |
children | 5f47eeea988d |
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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> package models import ( "context" "database/sql" "log" "sort" "sync" "gemma.intevation.de/gemma/pkg/auth" ) type ExtEntry struct { Name string `json:"name"` URL string `json:"url"` WFS bool `json:"wfs"` } type ExtServices struct { mu sync.Mutex entries []ExtEntry } var ExternalServices = &ExtServices{} const selectExternalServices = `SELECT local_name, remote_url, is_wfs FROM sys_admin.external_services ORDER BY local_name` func (es *ExtServices) Find(name string) (string, bool) { es.mu.Lock() defer es.mu.Unlock() if es.entries == nil { if err := es.load(); err != nil { log.Printf("error: %v\n", err) return "", false } } n := sort.Search(len(es.entries), func(i int) bool { return es.entries[i].Name >= name }) if n == len(es.entries) || es.entries[n].Name != name { return "", false } return es.entries[n].URL, true } func (es *ExtServices) load() error { // make empty slice to prevent retry if slice is empty. es.entries = []ExtEntry{} return auth.RunAs(context.Background(), "sys_admin", func(conn *sql.Conn) error { rows, err := conn.QueryContext( context.Background(), selectExternalServices) if err != nil { return err } defer rows.Close() for rows.Next() { var entry ExtEntry if err := rows.Scan( &entry.Name, &entry.URL, &entry.WFS, ); err != nil { return err } es.entries = append(es.entries, entry) } return rows.Err() }) } func (es *ExtServices) Invalidate() { es.mu.Lock() es.entries = nil es.mu.Unlock() } func ExternalAll(ExtEntry) bool { return true } func ExternalWMS(entry ExtEntry) bool { return !entry.WFS } func ExternalWFS(entry ExtEntry) bool { return entry.WFS } func (es *ExtServices) Filter(accept func(ExtEntry) bool) []ExtEntry { es.mu.Lock() defer es.mu.Unlock() if es.entries == nil { if err := es.load(); err != nil { log.Printf("error: %v\n", err) return nil } } ee := make([]ExtEntry, 0, len(es.entries)) for _, e := range es.entries { if accept(e) { ee = append(ee, e) } } return ee }