MVP

.gitignore

@@ -0,0 +1 @@
+*.db

Justfile

@@ -0,0 +1,2 @@
+run:
+    go run src/*.go

go.mod

@@ -0,0 +1,5 @@
+module beretta
+
+go 1.22.7
+
+require github.com/mattn/go-sqlite3 v1.14.23 // indirect

go.sum

@@ -0,0 +1,2 @@
+github.com/mattn/go-sqlite3 v1.14.23 h1:gbShiuAP1W5j9UOksQ06aiiqPMxYecovVGwmTxWtuw0=
+github.com/mattn/go-sqlite3 v1.14.23/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=

src/db.go

@@ -0,0 +1,49 @@
+package main
+
+import (
+	_ "embed"
+	_ "github.com/mattn/go-sqlite3"
+	"database/sql"
+)
+
+//go:embed init.sql
+var initSQL string
+
+type Db interface {
+	// CheckAndStore checks if the tag is already stored in the database and stores it if it's not.
+	CheckAndStore(repo, tag string) (bool, error)
+}
+
+type SQLiteDb struct {
+	DB *sql.DB
+}
+
+func (s SQLiteDb) CheckAndStore(repo, tag string) (bool, error) {
+	var count int
+	err := s.DB.QueryRow("SELECT COUNT(*) FROM tags WHERE repo = ? AND tag = ?", repo, tag).Scan(&count)
+	if err != nil {
+		return false, err
+	}
+	if count > 0 {
+		return false, nil
+	}
+	_, err = s.DB.Exec("INSERT INTO tags (repo, tag) VALUES (?, ?)", repo, tag)
+	if err != nil {
+		return false, err
+	}
+	return true, nil
+}
+
+// NewSQLiteDb creates a new SQLite database connection.
+// The database is created if it doesn't exist.
+func NewSQLiteDb(file string) (SQLiteDb, error) {
+	db, err := sql.Open("sqlite3", file)
+	if err != nil {
+		return SQLiteDb{}, err
+	}
+	_, err = db.Exec(initSQL)
+	if err != nil {
+		return SQLiteDb{}, err
+	}
+	return SQLiteDb{DB: db}, nil
+}

src/init.sql

@@ -0,0 +1,5 @@
+CREATE TABLE IF NOT EXISTS tags (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    repo TEXT NOT NULL,
+    tag TEXT NOT NULL
+);

src/main.go

@@ -7,7 +7,17 @@ import (
 
 func main() {
 	// Load configuration
-	config := loadConfig("config.json")
+	config, err := loadConfig("config.json")
+	if err != nil {
+		log.Fatalf("Failed to load configuration: %v", err)
+	}
+
+	// Create database
+	db, err := NewSQLiteDb("tags.db")
+	if err != nil {
+		log.Fatalf("Failed to create database: %v", err)
+	}
+	_ = db
 
 	notifier := NtfyNotifier{Topic: config.NtfyTopic}
 
@@ -22,9 +32,20 @@ func main() {
 			if tag.Name == "" {
 				log.Printf("No tags found for %s", repo.Repo)
 				continue
+				_ = notifier
 			}
-			if notifier.Notify(repo, tag.Name) {
-				log.Printf("Notified for %s/%s: %s", repo.Owner, repo.Repo, tag.Name)
+
+			// Check and store tag
+			stored, err := db.CheckAndStore(repo.Repo, tag.Name)
+			if err != nil {
+				log.Printf("Failed to store tag for %s: %v", repo.Repo, err)
+				continue
+			}
+			if stored {
+				log.Printf("New tag stored for %s: %s", repo.Repo, tag.Name)
+				if notifier.Notify(repo, tag.Name) {
+					log.Printf("Notified for %s/%s: %s", repo.Owner, repo.Repo, tag.Name)
+				}
 			}
 		}
 		time.Sleep(time.Duration(config.Interval) * time.Second)

src/repo.go

@@ -19,7 +19,7 @@ type RepoConfig struct {
 
 func (r RepoConfig) GetLatestTag() (Tag, error) {
 	url := fmt.Sprintf("https://api.github.com/repos/%s/%s/tags", r.Owner, r.Repo)
-	fmt.Printf(url)
+
 	resp, err := http.Get(url)
 	if err != nil {
 		log.Printf("Failed to fetch releases for %s/%s: %v", r.Owner, r.Repo, err)

src/types.go

@@ -16,20 +16,25 @@ type Config struct {
 	NtfyTopic string       `json:"ntfy_topic"`
 }
 
-func loadConfig(file string) Config {
+func loadConfig(file string) (Config, error) {
+	var config Config
 	fh, err := os.OpenFile(file, os.O_RDONLY, 0644)
+
 	if err != nil {
 		log.Fatalf("Failed to open config file: %v", err)
+		return Config{}, err
 	}
 	data, err := io.ReadAll(fh)
 	if err != nil {
 		log.Fatalf("Failed to read config file: %v", err)
+		return Config{}, err
 	}
-	var config Config
 	if err := json.Unmarshal(data, &config); err != nil {
 		log.Fatalf("Failed to parse config file: %v", err)
+		return Config{}, err
 	}
-	return config
+
+	return config, nil
 }
 
 type Notifier interface {