Mercurial > gemma
view pkg/models/intservices.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 | dfe9cde6a20c |
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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> // * Tom Gottfried <tom.gottfried@intevation.de> package models import ( "context" "database/sql" "log" "net/http" "sync" "gemma.intevation.de/gemma/pkg/auth" "gemma.intevation.de/gemma/pkg/config" ) type IntEntry struct { Name string `json:"name"` Style bool `json:"style"` WMS bool `json:"wms"` WFS bool `json:"wfs"` } type IntServices struct { entries []IntEntry mu sync.Mutex } const ( selectServicesSQL = ` SELECT relname, style IS NOT NULL, as_wms, as_wfs FROM sys_admin.published_services JOIN pg_class ON name = oid ORDER by relname` selectStyleSQL = ` SELECT XMLSERIALIZE(DOCUMENT style AS text) FROM sys_admin.published_services JOIN pg_class ON name = oid WHERE relname = $1` updateStyleSQL = ` UPDATE sys_admin.published_services SET style = XMLPARSE(DOCUMENT $1) WHERE name IN (SELECT oid FROM pg_class WHERE relname = $2)` ) var InternalServices = &IntServices{} func (e *IntEntry) LoadStyle() (string, error) { var style string ctx := context.Background() err := auth.RunAs(ctx, "sys_admin", func(conn *sql.Conn) error { return conn.QueryRowContext( ctx, selectStyleSQL, e.Name).Scan(&style) }) return style, err } func UpdateInternalStyle(req *http.Request, name, style string) error { return auth.RunAsSessionUser(req, func(conn *sql.Conn) error { _, err := conn.ExecContext( req.Context(), updateStyleSQL, style, name) if err == nil { InternalServices.Invalidate() } return err }) } func (ps *IntServices) Find(name string) (string, bool) { ps.mu.Lock() defer ps.mu.Unlock() if ps.entries == nil { if err := ps.load(); err != nil { log.Printf("error: %v\n", err) return "", false } } if ps.has(name) { return config.GeoServerURL() + "/" + name, true } return "", false } func (ps *IntServices) has(service string) bool { var check func(*IntEntry) bool switch service { case "wms": check = func(e *IntEntry) bool { return e.WMS } case "wfs": check = func(e *IntEntry) bool { return e.WFS } default: return false } for i := range ps.entries { if check(&ps.entries[i]) { return true } } return false } func (ps *IntServices) load() error { // make empty slice to prevent retry if slice is empty. ps.entries = []IntEntry{} ctx := context.Background() return auth.RunAs(ctx, "sys_admin", func(conn *sql.Conn) error { rows, err := conn.QueryContext( ctx, selectServicesSQL) if err != nil { return err } defer rows.Close() for rows.Next() { var entry IntEntry if err := rows.Scan( &entry.Name, &entry.Style, &entry.WMS, &entry.WFS, ); err != nil { return err } ps.entries = append(ps.entries, entry) } return rows.Err() }) } func (ps *IntServices) Invalidate() { ps.mu.Lock() ps.entries = nil ps.mu.Unlock() } func InternalAll(IntEntry) bool { return true } func IntWMS(entry IntEntry) bool { return entry.WMS } func IntWFS(entry IntEntry) bool { return entry.WFS } func IntWithStyle(entry IntEntry) bool { return entry.Style } func IntByName(name string) func(IntEntry) bool { return func(entry IntEntry) bool { return entry.Name == name } } func IntAnd(accept ...func(IntEntry) bool) func(IntEntry) bool { return func(entry IntEntry) bool { for _, a := range accept { if !a(entry) { return false } } return true } } func (ps *IntServices) Filter(accept func(IntEntry) bool) []IntEntry { ps.mu.Lock() defer ps.mu.Unlock() if ps.entries == nil { if err := ps.load(); err != nil { log.Printf("error: %v\n", err) return nil } } pe := make([]IntEntry, 0, len(ps.entries)) for _, e := range ps.entries { if accept(e) { pe = append(pe, e) } } return pe }