yarnom
f0b50d13ea
Add Go/Postgres admin APIs, Angular admin UI, manual build flow, asset uploads, markdown import/export, configurable slug generation, and the Yar reading theme. Exclude local docs and generated development artifacts from version control.
116 lines
2.4 KiB
Go
116 lines
2.4 KiB
Go
package main
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import (
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"context"
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"errors"
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"fmt"
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"net/http"
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"os"
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"os/signal"
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"syscall"
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"time"
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"github.com/jackc/pgx/v5/pgxpool"
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"osaet/backend/internal/admin"
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)
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func main() {
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if err := run(); err != nil {
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fmt.Fprintln(os.Stderr, "error:", err)
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os.Exit(1)
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}
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}
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func run() error {
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command := "serve"
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if len(os.Args) > 1 {
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command = os.Args[1]
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}
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cfg := admin.LoadConfig()
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if err := cfg.Validate(); err != nil {
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return err
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}
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ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
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defer stop()
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db, err := admin.OpenDatabase(ctx, cfg.DatabaseURL)
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if err != nil {
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return err
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}
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defer db.Close()
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switch command {
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case "serve":
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return serve(ctx, cfg, db)
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case "migrate":
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return admin.RunMigrations(ctx, db, cfg.MigrationsDir)
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case "create-user":
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return createUser(ctx, db)
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case "import-markdown":
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return importMarkdown(ctx, cfg, db)
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default:
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return fmt.Errorf("unknown command %q", command)
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}
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}
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func createUser(ctx context.Context, db *pgxpool.Pool) error {
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if len(os.Args) < 3 {
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return errors.New("usage: osaet-admin create-user <username>")
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}
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password := os.Getenv("OSAET_ADMIN_PASSWORD")
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if password == "" {
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return errors.New("OSAET_ADMIN_PASSWORD is required")
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}
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user, err := admin.NewStore(db).CreateOrUpdateUser(ctx, os.Args[2], password)
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if err != nil {
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return err
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}
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fmt.Fprintf(os.Stdout, "admin user %q is ready\n", user.Username)
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return nil
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}
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func importMarkdown(ctx context.Context, cfg admin.Config, db *pgxpool.Pool) error {
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postsDir := cfg.PostsDir
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if len(os.Args) >= 3 {
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postsDir = os.Args[2]
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}
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result, err := admin.NewStore(db).ImportMarkdownPosts(ctx, postsDir)
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if err != nil {
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return err
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}
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fmt.Fprintf(os.Stdout, "imported %d markdown post(s), skipped %d file(s)\n", result.Imported, result.Skipped)
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return nil
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}
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func serve(ctx context.Context, cfg admin.Config, db *pgxpool.Pool) error {
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server := &http.Server{
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Addr: cfg.Addr,
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Handler: admin.NewServerWithContext(ctx, db, cfg).Router(),
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ReadHeaderTimeout: 5 * time.Second,
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}
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errCh := make(chan error, 1)
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go func() {
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errCh <- server.ListenAndServe()
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}()
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select {
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case <-ctx.Done():
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shutdownCtx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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return server.Shutdown(shutdownCtx)
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case err := <-errCh:
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if errors.Is(err, http.ErrServerClosed) {
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return nil
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}
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return err
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}
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}
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