mi-v1/cmd/mi/main.go

package main

import (
	"context"
	"flag"
	"fmt"
	"net/http"
	"net/url"
	"os"
	"os/signal"
	"time"

	"github.com/facebookarchive/flagenv"
	_ "github.com/joho/godotenv/autoload"
	r "gopkg.in/rethinkdb/rethinkdb-go.v6"
	"within.website/ln"
	"within.website/ln/ex"
)

var (
	/*
		// Gitea
		giteaInstance = flag.String("gitea-instance", "", "Gitea instance to use")
		giteaAPIToken = flag.String("gitea-api-token", "", "Gitea API token")

		// Github
		githubToken = flag.String("github-token", "", "Github API token")
	*/

	// RethinkDB
	rethinkDBURL = flag.String("rethinkdb-url", "rethinkdb2://admin@127.0.0.1:28015/mi", "RethinkDB URL")

	// Blog
	blogURL = flag.String("blog-url", "https://christine.website/blog.json", "JSONFeed to monitor for new posts")

	// Port
	port = flag.String("port", "5000", "HTTP port")
)

func main() {
	flagenv.Parse()
	flag.Parse()

	ctx := context.Background()
	ctx = ln.WithF(ctx, ln.F{
		"mastodon_instance": *mastodonInstance,
	})

	r.SetTags("rethinkdb", "json")

	u, err := url.Parse(*rethinkDBURL)
	if err != nil {
		ln.FatalErr(ctx, err)
	}

	pw, _ := u.User.Password()
	db := u.Path[1:]

	session, err := r.Connect(r.ConnectOpts{
		Address:  u.Host,
		Database: db,
		Username: u.User.Username(),
		Password: pw,
	})
	if err != nil {
		ln.FatalErr(ctx, err)
	}

	mastodonClient, err := makeMastodon()
	if err != nil {
		ln.FatalErr(ctx, err)
	}

	redditBot, err := makeReddit()
	if err != nil {
		ln.FatalErr(ctx, err)
	}

	twitterClient, err := makeTwitter()
	if err != nil {
		ln.FatalErr(ctx, err)
	}

	mux := http.NewServeMux()
	pm, err := MakeMiddleware(*pasetoPublicKey, *pasetoPrivateKey, mux)
	if err != nil {
		ln.FatalErr(ctx, err)
	}

	tok, err := pm.CreateToken(nil, time.Now().AddDate(2, 0, 0))
	if err != nil {
		ln.FatalErr(ctx, err)
	}

	fmt.Printf("token: %s\n", tok)

	mi := &Mi{
		session:        session,
		mastodonClient: mastodonClient,
		twitterClient:  twitterClient,
		redditBot:      redditBot,
	}

	ctx, cancel := context.WithCancel(ctx)
	go func(cf func()) {
		var signalChan chan os.Signal
		signalChan = make(chan os.Signal, 1)
		signal.Notify(signalChan, os.Interrupt)

		<-signalChan
		cf()
	}(cancel)

	go mi.StreamMastodon(ctx)
	go mi.StreamReddit(ctx)
	go mi.StreamMastodonToTwitter(ctx)

	h := &http.Server{
		Addr:    ":" + *port,
		Handler: ex.HTTPLog(pm),
	}

	go func() { ln.FatalErr(ctx, h.ListenAndServe()) }()

	<-ctx.Done()
	ln.Log(ctx, ln.Info("cleaning up"))
	time.Sleep(500 * time.Millisecond)
}