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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2018-2020 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
// Package clientutil offers utilities to turn snap.Info and related
// structs into client structs and to work with the latter.
package clientutil
import (
"sort"
"strings"
"github.com/snapcore/snapd/client"
"github.com/snapcore/snapd/osutil"
"github.com/snapcore/snapd/snap"
)
// A StatusDecorator is able to decorate client.AppInfos with service status.
type StatusDecorator interface {
DecorateWithStatus(appInfo *client.AppInfo, snapApp *snap.AppInfo) error
}
// ClientSnapFromSnapInfo returns a client.Snap derived from snap.Info.
// If an optional StatusDecorator is provided it will be used to
// add service status information.
func ClientSnapFromSnapInfo(snapInfo *snap.Info, decorator StatusDecorator) (*client.Snap, error) {
var publisher *snap.StoreAccount
if snapInfo.Publisher.Username != "" {
publisher = &snapInfo.Publisher
}
confinement := snapInfo.Confinement
if confinement == "" {
confinement = snap.StrictConfinement
}
snapapps := make([]*snap.AppInfo, 0, len(snapInfo.Apps))
for _, app := range snapInfo.Apps {
snapapps = append(snapapps, app)
}
sort.Sort(snap.AppInfoBySnapApp(snapapps))
apps, err := ClientAppInfosFromSnapAppInfos(snapapps, decorator)
result := &client.Snap{
Description: snapInfo.Description(),
Developer: snapInfo.Publisher.Username,
Publisher: publisher,
Icon: snapInfo.Media.IconURL(),
ID: snapInfo.ID(),
InstallDate: snapInfo.InstallDate(),
Name: snapInfo.InstanceName(),
Revision: snapInfo.Revision,
Summary: snapInfo.Summary(),
Type: string(snapInfo.Type()),
Base: snapInfo.Base,
Version: snapInfo.Version,
Channel: snapInfo.Channel,
Private: snapInfo.Private,
Confinement: string(confinement),
Apps: apps,
Broken: snapInfo.Broken,
Title: snapInfo.Title(),
License: snapInfo.License,
Media: snapInfo.Media,
Prices: snapInfo.Prices,
Channels: snapInfo.Channels,
Tracks: snapInfo.Tracks,
CommonIDs: snapInfo.CommonIDs,
Links: snapInfo.Links(),
Contact: snapInfo.Contact(),
Website: snapInfo.Website(),
StoreURL: snapInfo.StoreURL,
Categories: snapInfo.Categories,
}
return result, err
}
func ClientAppInfoNotes(app *client.AppInfo) string {
if !app.IsService() {
return "-"
}
var notes = make([]string, 0, 4)
if app.DaemonScope == snap.UserDaemon {
notes = append(notes, "user")
}
var seenTimer, seenSocket, seenDbus bool
for _, act := range app.Activators {
switch act.Type {
case "timer":
seenTimer = true
case "socket":
seenSocket = true
case "dbus":
seenDbus = true
}
}
if seenTimer {
notes = append(notes, "timer-activated")
}
if seenSocket {
notes = append(notes, "socket-activated")
}
if seenDbus {
notes = append(notes, "dbus-activated")
}
if len(notes) == 0 {
return "-"
}
return strings.Join(notes, ",")
}
// ClientAppInfosFromSnapAppInfos returns client.AppInfos derived from
// the given snap.AppInfos.
// If an optional StatusDecorator is provided it will be used to add
// service status information as well, this will be done only if the
// snap is active and when the app is a service.
func ClientAppInfosFromSnapAppInfos(apps []*snap.AppInfo, decorator StatusDecorator) ([]client.AppInfo, error) {
out := make([]client.AppInfo, 0, len(apps))
for _, app := range apps {
appInfo := client.AppInfo{
Snap: app.Snap.InstanceName(),
Name: app.Name,
CommonID: app.CommonID,
}
if fn := app.DesktopFile(); osutil.FileExists(fn) {
appInfo.DesktopFile = fn
}
appInfo.Daemon = app.Daemon
appInfo.DaemonScope = app.DaemonScope
if !app.IsService() || decorator == nil || !app.Snap.IsActive() {
out = append(out, appInfo)
continue
}
if err := decorator.DecorateWithStatus(&appInfo, app); err != nil {
return nil, err
}
out = append(out, appInfo)
}
return out, nil
}
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