Erstes Commit

internal/app.go

@@ -0,0 +1,70 @@
+package internal
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"os"
+	"sort"
+
+	"royalroadupdates/internal/formatter"
+	"royalroadupdates/internal/pocketbase"
+	"royalroadupdates/internal/royalroad"
+)
+
+// Config holds the compile-time settings for the application.
+type Config struct {
+	PBURL      string
+	PBUser     string
+	PBPassword string
+	PBCategory string
+}
+
+// App orchestrates the full pipeline.
+type App struct {
+	pocketbase *pocketbase.Client
+	scraper    *royalroad.Scraper
+	outW       io.Writer
+	errW       io.Writer
+}
+
+// New creates a new App with the given configuration.
+func New(cfg Config) *App {
+	return &App{
+		pocketbase: pocketbase.New(cfg.PBURL, cfg.PBUser, cfg.PBPassword, cfg.PBCategory),
+		scraper:    royalroad.NewScraper(),
+		outW:       os.Stdout,
+		errW:       os.Stderr,
+	}
+}
+
+// Run executes the full pipeline and outputs results.
+func (a *App) Run(ctx context.Context, jsonOutput bool) error {
+	urls, err := a.pocketbase.GetBookmarkURLs(ctx)
+	if err != nil {
+		return fmt.Errorf("fetching bookmarks: %w", err)
+	}
+
+	var results []royalroad.Story
+	for _, u := range urls {
+		story, err := a.scraper.FetchStory(ctx, u)
+		if err != nil {
+			continue // silently skip
+		}
+		results = append(results, story)
+	}
+
+	sort.Slice(results, func(i, j int) bool {
+		return results[i].DateModified.After(results[j].DateModified)
+	})
+
+	if jsonOutput {
+		if err := formatter.PrintJSON(a.outW, results); err != nil {
+			return fmt.Errorf("encoding JSON: %w", err)
+		}
+	} else {
+		formatter.PrintTable(a.outW, results)
+	}
+
+	return nil
+}