hmn/src/website/website.go

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package website
import (
"context"
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"errors"
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"log"
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"net/http"
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_ "net/http/pprof"
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"os"
"os/signal"
"time"
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"git.handmade.network/hmn/hmn/src/auth"
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"git.handmade.network/hmn/hmn/src/config"
"git.handmade.network/hmn/hmn/src/db"
"git.handmade.network/hmn/hmn/src/discord"
"git.handmade.network/hmn/hmn/src/hmns3"
"git.handmade.network/hmn/hmn/src/jobs"
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"git.handmade.network/hmn/hmn/src/logging"
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"git.handmade.network/hmn/hmn/src/perf"
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"git.handmade.network/hmn/hmn/src/templates"
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"git.handmade.network/hmn/hmn/src/twitch"
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"github.com/spf13/cobra"
)
var WebsiteCommand = &cobra.Command{
Short: "Run the HMN website",
Run: func(cmd *cobra.Command, args []string) {
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templates.Init()
defer logging.LogPanics(nil)
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logging.Info().Msg("Hello, HMN!")
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backgroundJobContext, cancelBackgroundJobs := context.WithCancel(context.Background())
conn := db.NewConnPool()
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perfCollector := perf.RunPerfCollector(backgroundJobContext)
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server := http.Server{
Addr: config.Config.Addr,
Handler: NewWebsiteRoutes(conn),
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}
backgroundJobsDone := jobs.Zip(
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auth.PeriodicallyDeleteExpiredSessions(backgroundJobContext, conn),
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auth.PeriodicallyDeleteInactiveUsers(backgroundJobContext, conn),
perfCollector.Job,
discord.RunDiscordBot(backgroundJobContext, conn),
discord.RunHistoryWatcher(backgroundJobContext, conn),
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twitch.MonitorTwitchSubscriptions(backgroundJobContext, conn),
hmns3.StartServer(backgroundJobContext),
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)
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signals := make(chan os.Signal, 1)
signal.Notify(signals, os.Interrupt)
go func() {
<-signals
logging.Info().Msg("Shutting down the website")
go func() {
timeout, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
logging.Info().Msg("shutting down web server")
server.Shutdown(timeout)
logging.Info().Msg("cancelling background jobs")
cancelBackgroundJobs()
}()
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<-signals
logging.Warn().Msg("Forcibly killed the website")
os.Exit(1)
}()
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go func() {
log.Println(http.ListenAndServe(config.Config.PrivateAddr, nil))
}()
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logging.Info().Str("addr", config.Config.Addr).Msg("Serving the website")
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serverErr := server.ListenAndServe()
if !errors.Is(serverErr, http.ErrServerClosed) {
logging.Error().Err(serverErr).Msg("Server shut down unexpectedly")
}
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<-backgroundJobsDone.C
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},
}