mvp before debug

app/app.go

@@ -2,9 +2,12 @@ package app
 
 import (
 	"io"
+	"net/http"
+	"time"
 
 	"go.balki.me/tss/log"
 	"go.balki.me/tss/proxy"
+	"go.balki.me/tss/telegram"
 )
 
 func Run(configPath string) {
@@ -15,6 +18,9 @@ func Run(configPath string) {
 	}
 
 	scheduler, err := NewScheduler(cfg.LastSuccessPath)
+	if err != nil {
+		log.Panic("failed to create scheduler", "path", cfg.LastSuccessPath, "error", err)
+	}
 
 	defer func() {
 		if err := scheduler.Save(); err != nil {
@@ -22,45 +28,20 @@ func Run(configPath string) {
 		}
 	}()
 
-	// tgram := NewTelegramSender(cfg.TelegramProxy)
+	tgramProxy, err := proxy.GetTransport(cfg.TelegramProxy)
+	if err != nil {
+		log.Panic("failed to get proxy transport", "proxyURL", cfg.TelegramProxy, "error", err)
+	}
+
+	tgram := telegram.NewTelegramSender(tgramProxy, cfg.TelegramAuthToken)
 
 	for _, feed := range cfg.Feeds {
 		log.Info("processing feed", "feed", feed.Name)
-		ProcessFeed(feed, scheduler, cfg.DbDir)
+		ProcessFeed(feed, scheduler, cfg.DbDir, tgram)
 	}
-
-	/*
-		for _, feed := range cfg.Feeds {
-			log.Println("Processing feed", feed.Name)
-			data, err := Download(feed.Url, feed.Proxy)
-			if err != nil {
-				log.Fatal(err)
-			}
-		}
-
-		for _, feed := range c.Feeds {
-			log.Println("Processing feed", feed.Name)
-
-			links, err := parseFeed(data)
-			if err != nil {
-				log.Fatal(err)
-			}
-
-			for _, link := range links {
-				if alreadySent(link) {
-					continue
-				}
-				err := sendTelegram(link, feed.Channel, feed.Rhash)
-				if err != nil {
-					log.Fatal(err)
-				}
-			}
-		}
-		fmt.Println(configPath)
-	*/
 }
 
-func ProcessFeed(feed FeedCfg, scheduler *Scheduler, dbDir string) {
+func ProcessFeed(feed FeedCfg, scheduler *Scheduler, dbDir string, tgram telegram.TelegramSender) {
 	sd, err := scheduler.ShouldDownload(feed.Name, feed.Cron)
 	if err != nil {
 		log.Error("shouldDownload failed", "feed", feed.Name, "err", err)
@@ -90,17 +71,39 @@ func ProcessFeed(feed FeedCfg, scheduler *Scheduler, dbDir string) {
 		return
 	}
 
-	_, err = db.Filter(entries)
+	filteredEntries, err := db.Filter(entries)
 	if err != nil {
 		log.Error("failed to filter entries", "feed", feed.Name, "error", err)
 	}
+
+	var records []Record
+	for _, entry := range filteredEntries {
+		now := time.Now()
+		r := Record{
+			Time:      now,
+			FeedEntry: entry,
+		}
+		err := tgram.SendLink(entry.Link, feed.Channel, feed.Rhash)
+		if err != nil {
+			log.Error("failed to send to telegram", "feed", feed.Name, "link", entry.Link, "channel", feed.Channel, "rhash", feed.Rhash, "error", err)
+			r.Status = Error
+		} else {
+			r.Status = Sent
+		}
+		records = append(records, r)
+	}
+	err = db.Save(records)
+	if err != nil {
+		log.Error("failed to save sent records", "feed", feed.Name, "num_records", len(records), "error", err)
+	}
 }
 
 func Download(url string, proxyUrl string) ([]byte, error) {
-	client, err := proxy.GetClient(proxyUrl)
+	transport, err := proxy.GetTransport(proxyUrl)
 	if err != nil {
 		return nil, err
 	}
+	client := &http.Client{Transport: transport}
 	res, err := client.Get(url)
 	if err != nil {
 		return nil, err

app/config.go

@@ -19,6 +19,8 @@ type FeedCfg struct {
 type Config struct {
 	Proxy         string `yaml:"proxy"`
 	TelegramProxy string `yaml:"telegram_proxy"`
+	//TODO: read from credential file
+	TelegramAuthToken string    `yaml:"telegram_auth_token"`
 	DataDir           string    `yaml:"data_dir"`
 	LastSuccessPath   string    `yaml:"last_loaded_path"`
 	DbDir             string    `yaml:"db_dir"`

exp/ref/main.go

@@ -23,4 +23,13 @@ func main() {
 		fmt.Println(dum.name)
 	}
 
+	foo()
+
+}
+
+func foo() {
+	var stuff []string
+	defer fmt.Println(stuff)
+	stuff = append(stuff, "foo")
+	stuff = append(stuff, "bar")
 }

main.go

@@ -1,46 +1,14 @@
 package main
 
 import (
-	"log"
+	"flag"
-	"net/url"
+
-	"os"
+	"go.balki.me/tss/app"
 )
 
 func main() {
-	var err error
+	var configPath string
-
+	flag.StringVar(&configPath, "config", "./tss.yml", "path to tss.yml config")
-}
+	flag.Parse()
-
+	app.Run(configPath)
-func download(url string) ([]byte, error) {
-	log.Println("url", url)
-	return os.ReadFile("ounapuu.xml")
-}
-
-func parseFeed(data []byte) ([]string, error) {
-	return []string{"https://blog.link"}, nil
-}
-
-func alreadySent(link string) bool {
-	return false
-}
-
-func sendTelegram(link string, channel string, rhash string) error {
-	log.Println("link", link, "channel", channel, "rhash", rhash)
-	rhash = "ae86262f2de32f"
-	log.Println("ivurl", genIVLink(link, rhash))
-
-	return nil
-}
-
-func genIVLink(link, rhash string) string {
-	query := url.Values{}
-	query.Set("url", link)
-	query.Set("rhash", rhash)
-	u := url.URL{
-		Scheme:   "https",
-		Host:     "t.me",
-		Path:     "iv",
-		RawQuery: vs.Encode(),
-	}
-	return u.String()
 }

proxy/proxy.go

@@ -8,9 +8,9 @@ import (
 	"golang.org/x/net/proxy"
 )
 
-func GetClient(proxy string) (*http.Client, error) {
+func GetTransport(proxy string) (http.RoundTripper, error) {
 	if proxy == "" {
-		return http.DefaultClient, nil
+		return http.DefaultTransport, nil
 	}
 	proxyUrl, err := url.Parse(proxy)
 	if err != nil {
@@ -23,7 +23,7 @@ func GetClient(proxy string) (*http.Client, error) {
 	return proxyHttp(proxyUrl)
 }
 
-func unixSocks5Proxy(path string) (*http.Client, error) {
+func unixSocks5Proxy(path string) (http.RoundTripper, error) {
 	// TODO: Auth?
 	dialer, err := proxy.SOCKS5("unix", path, nil /*auth*/, nil)
 	if err != nil {
@@ -36,13 +36,13 @@ func unixSocks5Proxy(path string) (*http.Client, error) {
 	trans := defaultTransport()
 	trans.DialContext = ctxDialer.DialContext
 	trans.Proxy = nil
-	return &http.Client{Transport: trans}, nil
+	return trans, nil
 }
 
-func proxyHttp(proxyUrl *url.URL) (*http.Client, error) {
+func proxyHttp(proxyUrl *url.URL) (http.RoundTripper, error) {
 	trans := defaultTransport()
 	trans.Proxy = http.ProxyURL(proxyUrl)
-	return &http.Client{Transport: trans}, nil
+	return trans, nil
 }
 
 func defaultTransport() *http.Transport {

telegram/telegram.go

@@ -0,0 +1,80 @@
+package telegram
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+
+	"go.balki.me/tss/log"
+)
+
+func main() {
+	fmt.Println("vim-go")
+}
+
+type TelegramSender interface {
+	SendLink(link, channel, rhash string) error
+}
+
+type telegramSender struct {
+	client    *http.Client
+	authToken string
+}
+
+func (ts *telegramSender) SendLink(link string, channel string, rhash string) error {
+
+	msg := struct {
+		ChatID string `json:"chat_id"`
+		Text   string `json:"text"`
+	}{
+		ChatID: channel,
+		Text:   fmt.Sprintf(`<a href="%s">➢</a> <a href="%s">Link</a>`, genIVLink(link, rhash), link),
+	}
+	data, err := json.Marshal(msg)
+
+	if err != nil {
+		return err
+	}
+
+	apiUrl := fmt.Sprintf("https://api.telegram.org/bot%s/sendMessage", ts.authToken)
+	res, err := ts.client.Post(apiUrl, "application/json", bytes.NewReader(data))
+	if err != nil {
+		return err
+	}
+	defer res.Body.Close()
+	responseText, err := io.ReadAll(res.Body)
+	if err != nil {
+		return err
+	}
+	if res.StatusCode != http.StatusOK {
+		log.Error("telegram send failed", "status", res.Status, "request", data, "response", responseText)
+		return errors.New("telegram send failed")
+	}
+	log.Info("sent message on telegram", "link", link, "channel", channel, "response", responseText)
+	return nil
+}
+
+func NewTelegramSender(transport http.RoundTripper, authToken string) TelegramSender {
+	//TODO: Rate limit
+	return &telegramSender{
+		client:    &http.Client{Transport: transport},
+		authToken: authToken,
+	}
+}
+
+func genIVLink(link, rhash string) string {
+	query := url.Values{}
+	query.Set("url", link)
+	query.Set("rhash", rhash)
+	u := url.URL{
+		Scheme:   "https",
+		Host:     "t.me",
+		Path:     "iv",
+		RawQuery: query.Encode(),
+	}
+	return u.String()
+}