#5 - list users

internal/database/getUsers.sql.go

@@ -0,0 +1,42 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.28.0
+// source: getUsers.sql
+
+package database
+
+import (
+	"context"
+)
+
+const getUsers = `-- name: GetUsers :many
+SELECT id, created_at, updated_at, name FROM users WHERE true
+`
+
+func (q *Queries) GetUsers(ctx context.Context) ([]User, error) {
+	rows, err := q.db.QueryContext(ctx, getUsers)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []User
+	for rows.Next() {
+		var i User
+		if err := rows.Scan(
+			&i.ID,
+			&i.CreatedAt,
+			&i.UpdatedAt,
+			&i.Name,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}

internal/handlers/getUsersHandler.go

@@ -0,0 +1,30 @@
+package handlers
+
+import (
+	"context"
+	"fmt"
+	"github.com/rdarius/boot-dev-blog-aggregator/internal/config"
+	"os"
+)
+
+func GetUsersHandler(s *config.State, cmd config.Command) error {
+	ctx := context.Background()
+
+	u, err := s.DB.GetUsers(ctx)
+	if err != nil {
+		fmt.Println("Failed to get Users")
+		os.Exit(1)
+	}
+
+	for _, u := range u {
+		fmt.Printf("* %s", u.Name)
+
+		if u.Name == s.Config.CurrentUserName {
+			fmt.Print(" (current)")
+		}
+
+		fmt.Print("\n")
+	}
+
+	return nil
+}

internal/handlers/loginHandler.go

@@ -26,7 +26,7 @@ func LoginHandler(s *config.State, cmd config.Command) error {
 		return fmt.Errorf("failed to set current user: %w", err)
 	}
 
-	fmt.Printf("User set to %s\n", s.Config.CurrentUserName)
+	fmt.Printf("User set to %s\n", u.Name)
 
 	return nil
 }

main.go

@@ -34,6 +34,7 @@ func main() {
 	commands.Register("login", handlers.LoginHandler)
 	commands.Register("register", handlers.RegisterHandler)
 	commands.Register("reset", handlers.ResetUsersHandler)
+	commands.Register("users", handlers.GetUsersHandler)
 
 	if len(os.Args) < 2 {
 		log.Fatal("usage: boot-dev-blog-aggregator <command> [args...]")

sql/queries/getUsers.sql

@@ -0,0 +1,2 @@
+-- name: GetUsers :many
+SELECT * FROM users WHERE true;