gosuki/commands.go

100 lines
2.2 KiB
Go

package main
import (
"os"
"git.sp4ke.xyz/sp4ke/gomark/browsers"
"git.sp4ke.xyz/sp4ke/gomark/parsing"
"git.sp4ke.xyz/sp4ke/gomark/utils"
"git.sp4ke.xyz/sp4ke/gomark/watch"
"git.sp4ke.xyz/sp4ke/gum"
"github.com/urfave/cli/v2"
)
var startServerCmd = &cli.Command{
Name: "server",
Aliases: []string{"s"},
Usage: "run browser watchers",
Action: startServer,
}
func startServer(c *cli.Context) error {
defer utils.CleanFiles()
manager := gum.NewManager()
manager.ShutdownOn(os.Interrupt)
api := NewApi()
manager.AddUnit(api)
go manager.Run()
// Initialize sqlite database available in global `cacheDB` variable
initDB()
registeredBrowsers := browsers.Modules()
// instanciate all browsers
for _, browserMod := range registeredBrowsers {
mod := browserMod.ModInfo()
if mod.New == nil {
log.Criticalf("browser module <%s> has no constructor", mod.ID)
continue
}
//Get a browser instance
browser, ok := mod.New().(browsers.BrowserModule)
if !ok {
log.Criticalf("module <%s> is not a BrowserModule", mod.ID)
}
log.Debugf("created browser instance <%s>", browser.Config().Name)
// shutdown logic
s, isShutdowner := browser.(browsers.Shutdowner)
if isShutdowner {
defer handleShutdown(browser.Config().Name, s)
}
log.Debugf("new browser <%s> instance", browser.Config().Name)
h, ok := browser.(browsers.HookRunner)
if ok {
//TODO: document hook running
h.RegisterHooks(parsing.ParseTags)
}
//TODO: call the setup logic for each browser instance
// includes the browsers.Initializer and browsers.Loader interfaces
err := browsers.Setup(browser)
if err != nil {
log.Errorf("setting up <%s> %v", browser.Config().Name, err)
if isShutdowner {
handleShutdown(browser.Config().Name, s)
}
continue
}
runner, ok := browser.(watch.WatchRunner)
if !ok {
log.Criticalf("<%s> must implement watch.WatchRunner interface", browser.Config().Name)
continue
}
log.Infof("start watching <%s>", runner.Watcher().ID)
watch.SpawnWatcher(runner)
}
<-manager.Quit
return nil
}
func handleShutdown(id string, s browsers.Shutdowner) {
err := s.Shutdown()
if err != nil {
log.Panicf("could not shutdown browser <%s>", id)
}
}