dnote/cli/core/upgrade.go
2019-05-10 09:31:31 +10:00

117 lines
2.9 KiB
Go

/* Copyright (C) 2019 Monomax Software Pty Ltd
*
* This file is part of Dnote CLI.
*
* Dnote CLI is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Dnote CLI 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 Dnote CLI. If not, see <https://www.gnu.org/licenses/>.
*/
package core
import (
"context"
"fmt"
"time"
"github.com/dnote/dnote/cli/infra"
"github.com/dnote/dnote/cli/log"
"github.com/dnote/dnote/cli/utils"
"github.com/google/go-github/github"
"github.com/pkg/errors"
)
// upgradeInterval is 3 weeks
var upgradeInterval int64 = 86400 * 7 * 3
// shouldCheckUpdate checks if update should be checked
func shouldCheckUpdate(ctx infra.DnoteCtx) (bool, error) {
db := ctx.DB
var lastUpgrade int64
err := db.QueryRow("SELECT value FROM system WHERE key = ?", infra.SystemLastUpgrade).Scan(&lastUpgrade)
if err != nil {
return false, errors.Wrap(err, "getting last_udpate")
}
now := time.Now().Unix()
return now-lastUpgrade > upgradeInterval, nil
}
func touchLastUpgrade(ctx infra.DnoteCtx) error {
db := ctx.DB
now := time.Now().Unix()
_, err := db.Exec("UPDATE system SET value = ? WHERE key = ?", now, infra.SystemLastUpgrade)
if err != nil {
return errors.Wrap(err, "updating last_upgrade")
}
return nil
}
func checkVersion(ctx infra.DnoteCtx) error {
log.Infof("current version is %s\n", ctx.Version)
// Fetch the latest version
gh := github.NewClient(nil)
releases, _, err := gh.Repositories.ListReleases(context.Background(), "dnote", "cli", nil)
if err != nil {
return errors.Wrap(err, "fetching releases")
}
latest := releases[0]
latestVersion := (*latest.TagName)[1:]
log.Infof("latest version is %s\n", latestVersion)
if latestVersion == ctx.Version {
log.Success("you are up-to-date\n\n")
} else {
log.Infof("to upgrade, see https://github.com/dnote/dnote/cli/blob/master/README.md\n")
}
return nil
}
// CheckUpdate triggers update if needed
func CheckUpdate(ctx infra.DnoteCtx) error {
shouldCheck, err := shouldCheckUpdate(ctx)
if err != nil {
return errors.Wrap(err, "checking if dnote should check update")
}
if !shouldCheck {
return nil
}
err = touchLastUpgrade(ctx)
if err != nil {
return errors.Wrap(err, "updating the last upgrade timestamp")
}
fmt.Printf("\n")
willCheck, err := utils.AskConfirmation("check for upgrade?", true)
if err != nil {
return errors.Wrap(err, "getting user confirmation")
}
if !willCheck {
return nil
}
err = checkVersion(ctx)
if err != nil {
return errors.Wrap(err, "checking version")
}
return nil
}