Same things, more cleanup

explicit support for subcommands, separate backend library

.gitignore

@@ -1,2 +1,3 @@
 vendor
-panel
+panelcli
+go.sum

cmd/panelcli/cli.go

@@ -0,0 +1,68 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"os"
+
+	"git.lattuga.net/boyska/feedpanel/db"
+	"github.com/go-pg/pg"
+)
+
+func getDB() paneldb.DB {
+	pgdb := pg.Connect(&pg.Options{
+		User:     "panel",
+		Password: "panelpass",
+		Database: "feeds",
+	})
+	db := paneldb.DB{PgDB: pgdb}
+	return db
+}
+
+type commandFunc func() error
+
+func cmdSetup() error {
+	db := getDB()
+	err := db.Setup()
+	if err != nil {
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	}
+	fmt.Println("All done")
+	os.Exit(0)
+	return nil
+}
+
+var cmdMap map[string]commandFunc = map[string]commandFunc{
+	"setup": cmdSetup,
+}
+
+func usage(w io.Writer) {
+	fmt.Fprintf(w, "Usage: %s SUBCOMMAND [command args...]\n", os.Args[0])
+	fmt.Fprintln(w, "\nSubcommands:")
+	for cmdName, _ := range cmdMap {
+		fmt.Fprintln(w, " -", cmdName)
+	}
+}
+
+func main() {
+	if len(os.Args) < 2 {
+		fmt.Fprintln(os.Stderr, "Not enough arguments!")
+		usage(os.Stderr)
+		os.Exit(2)
+	}
+	cmdName := os.Args[1]
+	cmdFunc, ok := cmdMap[cmdName]
+	if !ok {
+		fmt.Fprintln(os.Stderr, "Invalid command")
+		usage(os.Stderr)
+		os.Exit(2)
+	}
+	err := cmdFunc()
+	if err != nil {
+		fmt.Fprintln(os.Stderr, "Error")
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	}
+	os.Exit(0)
+}

db/db.go

@@ -1,8 +1,7 @@
-package main
+package paneldb
 
 import (
 	"fmt"
-	"os"
 
 	"github.com/go-pg/pg"
 	"github.com/pkg/errors"
@@ -44,19 +43,3 @@ func (db *DB) UserAdd(username, email, pwhash string) error {
 	}
 	return nil
 }
-
-func main() {
-	pgdb := pg.Connect(&pg.Options{
-		User:     "panel",
-		Password: "panelpass",
-		Database: "feeds",
-	})
-	db := DB{PgDB: pgdb}
-	err := db.Setup()
-	if err != nil {
-		fmt.Fprintln(os.Stderr, err)
-		os.Exit(1)
-	}
-	fmt.Println("All done")
-	os.Exit(0)
-}

go.mod

@@ -1,4 +1,4 @@
-module panel
+module git.lattuga.net/boyska/feedpanel
 
 require (
 	github.com/go-pg/pg v6.15.0+incompatible