105 lines
2.6 KiB
Go
105 lines
2.6 KiB
Go
package main
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import (
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"fmt"
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"path/filepath"
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"spitfire-installer/spm"
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)
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// Installer manages the download, decompression, and installation processes.
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type Installer struct {
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// Progress info from SPM
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Progress int
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Task string
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// Internal states
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IsDownloading bool
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IsInstalling bool
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DoneDownload bool
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DoneInstall bool
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LastError error
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// Paths
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DownloadDir string
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TempDir string
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}
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// NewInstaller creates a new Installer with initial state.
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func NewInstaller() *Installer {
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return &Installer{}
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}
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// StartDownloadDecompress starts the download and decompression in a background goroutine.
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func (inst *Installer) StartDownloadDecompress() {
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inst.IsDownloading = true
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go func() {
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defer func() {
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inst.IsDownloading = false
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inst.DoneDownload = (inst.LastError == nil)
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}()
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// Prepare download directory
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spm.UpdateProgress(0, "Preparing to download...")
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inst.DownloadDir = spm.GetTempDownloadDir()
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// Download APPINDEX
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appIndexPath := filepath.Join(inst.DownloadDir, "APPINDEX")
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spm.UpdateProgress(0, "Downloading APPINDEX")
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if err := spm.DownloadAppIndex(appIndexPath); err != nil {
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inst.LastError = err
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return
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}
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// Download package
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packageName := "spitfire-browser"
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release := "nightly"
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spm.UpdateProgress(0, "Downloading package...")
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if err := spm.DownloadPackageFromAppIndex(appIndexPath, packageName, release, inst.DownloadDir); err != nil {
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inst.LastError = err
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return
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}
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// Decompress
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spm.UpdateProgress(0, "Decompressing...")
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packagePath := filepath.Join(inst.DownloadDir, "browser-amd64-nightly-linux.tar.gz")
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tempDir, err := spm.DecompressToTemp(packagePath)
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if err != nil {
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inst.LastError = err
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return
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}
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inst.TempDir = tempDir
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}()
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}
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// FinalInstall moves files to the final install directory in a background goroutine.
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func (inst *Installer) FinalInstall() {
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if !inst.DoneDownload {
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inst.LastError = fmt.Errorf("Cannot install: download and decompression are not complete")
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return
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}
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inst.IsInstalling = true
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go func() {
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defer func() {
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inst.IsInstalling = false
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inst.DoneInstall = (inst.LastError == nil)
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}()
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// Move files to install directory
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spm.UpdateProgress(0, "Installing...")
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installDir := "/home/czmisacz/Stažené/spitfire"
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if err := spm.MoveFilesToInstallDir(inst.TempDir, installDir); err != nil {
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inst.LastError = err
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return
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}
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spm.UpdateProgress(100, "Installation complete!")
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}()
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}
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// PollProgress fetches the latest progress and task from SPM.
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func (inst *Installer) PollProgress() {
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p, t := spm.GetProgress()
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inst.Progress, inst.Task = p, t
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}
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