app.go (view raw)
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package main
import (
"context"
"time"
"github.com/adrg/xdg"
"github.com/sanbornm/go-selfupdate/selfupdate"
"gorm.io/driver/sqlite"
"gorm.io/gorm"
"gorm.io/gorm/clause"
"gorm.io/gorm/logger"
)
type AppConfig struct {
Title string
Version string
}
type App struct {
ctx context.Context
Config AppConfig
DB *gorm.DB
UserContact Contact
Updater *selfupdate.Updater
idleCtx context.Context
idleCancel context.CancelFunc
}
func NewApp(config AppConfig) *App {
app := &App{Config: config}
db, err := gorm.Open(sqlite.Open(app.GetDataFile()), &gorm.Config{
Logger: logger.Default.LogMode(logger.Silent),
})
if err != nil {
panic(err)
}
app.DB = db
app.migrate()
return app
}
func (app *App) startup(ctx context.Context) {
app.Log("Running startup.").
Stdout()
defer app.Log("Startup finished.").
Stdout()
app.ctx = ctx
app.idleCtx, app.idleCancel = context.WithCancel(ctx)
updater := &selfupdate.Updater{
CurrentVersion: app.GetVersion(),
ApiURL: "https://updater.machinetele.com/",
BinURL: "https://updater.machinetele.com/",
Dir: "update/",
CmdName: app.GetTitle(),
ForceCheck: true,
CheckTime: 1,
RandomizeTime: 0,
OnPreFetch: func(u *selfupdate.Updater) {
app.Log(
"Searching for updates...",
).Stdout().StatusLine()
app.Log(
"On %s and found %s.",
u.Info.Version,
u.CurrentVersion,
).Stdout().StatusLine()
},
OnUpdateAttempt: func() {
app.Log("Found a new version! Attempting to update.").Stdout().StatusLine()
},
OnSuccessfulUpdate: func() {
app.Log("Successfully updated to the newest version of EMessage.").Stdout().StatusLine()
},
OnUpdateFailure: func(err error) {
app.Log("Update failed: %v.", err.Error()).Stdout().StatusLine()
},
OnFinally: func() {
app.Log("Finished updating.").Stdout().StatusLine()
},
}
app.Updater = updater
go updater.Update()
go func() {
ticker := time.NewTicker(1 * time.Hour)
defer ticker.Stop()
for range ticker.C {
if err := updater.Update(); err != nil {
app.Log("Update failed: %v", err).Stdout().StatusLine()
}
}
}()
app.EstablishMailConnections()
return
}
func (app *App) shutdown(ctx context.Context) {
app.Log("Running shutdown.").
Stdout()
defer app.Log("finished shutdown.").
Stdout()
CloseMailConnections()
return
}
func (app *App) migrate() {
app.Log("Starting migration...").
Stdout()
defer app.Log("finished migration.").
Stdout()
app.DB.AutoMigrate(&Contact{})
app.DB.AutoMigrate(&EmailAddress{})
app.DB.AutoMigrate(&PhoneNumber{})
app.DB.AutoMigrate(&URL{})
app.DB.AutoMigrate(&StreetAddress{})
app.DB.AutoMigrate(&Date{})
app.DB.AutoMigrate(&OtherField{})
app.DB.Preload(clause.Associations).
FirstOrCreate(
&app.UserContact,
Contact{Model: gorm.Model{ID: 1}},
)
app.Log("Ensuring contact.").
Stdout()
app.DB.AutoMigrate(&MailAccountConnection{})
app.DB.AutoMigrate(&Conversation{})
app.DB.AutoMigrate(&Message{})
app.DB.AutoMigrate(&MailHeader{})
app.DB.AutoMigrate(&LastSynced{})
app.DB.AutoMigrate(&MessageContent{})
app.DB.AutoMigrate(&DisplayImage{})
return
}
func (app *App) GetTitle() string {
return app.Config.Title
}
func (app *App) GetVersion() string {
return app.Config.Version
}
func (app *App) GetDataFile() string {
if file, err := xdg.DataFile(app.GetTitle() + "/data.db"); err != nil {
panic(err)
} else {
return file
}
}
func (app *App) GetMailPasswordKeyringService() string {
title := app.GetTitle()
return title + "-mail-password"
}
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