aboutsummaryrefslogtreecommitdiff
path: root/gomuks.go
blob: b3e2f5a91d01683dd5d1d1afa0fd0290db48f9fb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
// gomuks - A terminal Matrix client written in Go.
// Copyright (C) 2020 Tulir Asokan
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

package main

import (
	"os"
	"os/signal"
	"syscall"
	"time"

	"maunium.net/go/gomuks/config"
	"maunium.net/go/gomuks/debug"
	"maunium.net/go/gomuks/interface"
	"maunium.net/go/gomuks/matrix"
)

// Gomuks is the wrapper for everything.
type Gomuks struct {
	ui     ifc.GomuksUI
	matrix *matrix.Container
	config *config.Config
	stop   chan bool
}

// NewGomuks creates a new Gomuks instance with everything initialized,
// but does not start it.
func NewGomuks(uiProvider ifc.UIProvider, configDir, dataDir, cacheDir, downloadDir string) *Gomuks {
	gmx := &Gomuks{
		stop: make(chan bool, 1),
	}

	gmx.config = config.NewConfig(configDir, dataDir, cacheDir, downloadDir)
	gmx.ui = uiProvider(gmx)
	gmx.matrix = matrix.NewContainer(gmx)

	gmx.config.LoadAll()
	gmx.ui.Init()

	debug.OnRecover = gmx.ui.Finish

	return gmx
}

func (gmx *Gomuks) Version() string {
	return "v0.1.2"
}

// Save saves the active session and message history.
func (gmx *Gomuks) Save() {
	gmx.config.SaveAll()
}

// StartAutosave calls Save() every minute until it receives a stop signal
// on the Gomuks.stop channel.
func (gmx *Gomuks) StartAutosave() {
	defer debug.Recover()
	ticker := time.NewTicker(time.Minute)
	for {
		select {
		case <-ticker.C:
			if gmx.config.AuthCache.InitialSyncDone {
				gmx.Save()
			}
		case val := <-gmx.stop:
			if val {
				return
			}
		}
	}
}

// Stop stops the Matrix syncer, the tview app and the autosave goroutine,
// then saves everything and calls os.Exit(0).
func (gmx *Gomuks) Stop(save bool) {
	debug.Print("Disconnecting from Matrix...")
	gmx.matrix.Stop()
	debug.Print("Cleaning up UI...")
	gmx.ui.Stop()
	gmx.stop <- true
	if save {
		gmx.Save()
	}
	os.Exit(0)
}

// Start opens a goroutine for the autosave loop and starts the tview app.
//
// If the tview app returns an error, it will be passed into panic(), which
// will be recovered as specified in Recover().
func (gmx *Gomuks) Start() {
	_ = gmx.matrix.InitClient()

	c := make(chan os.Signal, 1)
	signal.Notify(c, os.Interrupt, syscall.SIGTERM)
	go func() {
		<-c
		gmx.Stop(true)
	}()

	go gmx.StartAutosave()
	if err := gmx.ui.Start(); err != nil {
		panic(err)
	}
}

// Matrix returns the MatrixContainer instance.
func (gmx *Gomuks) Matrix() ifc.MatrixContainer {
	return gmx.matrix
}

// Config returns the Gomuks config instance.
func (gmx *Gomuks) Config() *config.Config {
	return gmx.config
}

// UI returns the Gomuks UI instance.
func (gmx *Gomuks) UI() ifc.GomuksUI {
	return gmx.ui
}