feat: add STRM repair workflow

internal/service/strm_repair_test.go

@@ -0,0 +1,77 @@
+package service
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"go.uber.org/zap"
+)
+
+func TestRepairSTRMFilesRewritesOwnedPlaybackURLs(t *testing.T) {
+	outDir := t.TempDir()
+	cloudPath := filepath.Join(outDir, "Movies", "A.strm")
+	streamPath := filepath.Join(outDir, "Shows", "S01E01.strm")
+	externalPath := filepath.Join(outDir, "External.strm")
+	for _, path := range []string{cloudPath, streamPath, externalPath} {
+		if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil {
+			t.Fatal(err)
+		}
+	}
+	if err := os.WriteFile(cloudPath, []byte("http://old.local/api/cloud/play/openlist?ref=%2FMovies%2FA.mkv\n"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(streamPath, []byte("/api/stream/media-1?token=old\n"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(externalPath, []byte("https://cdn.example.com/video.m3u8\n"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+
+	svc := NewSTRMService(zap.NewNop(), nil, nil)
+	res, err := svc.RepairFiles(t.Context(), RepairSTRMOptions{
+		OutputDir: outDir,
+		BaseURL:   "https://media.example.com",
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if res.Repaired != 2 || res.Skipped != 1 || len(res.Errors) != 0 {
+		t.Fatalf("result = %#v, want two repaired and one skipped", res)
+	}
+	if got := readSTRM(t, cloudPath); got != "https://media.example.com/api/cloud/play/openlist?ref=%2FMovies%2FA.mkv" {
+		t.Fatalf("cloud strm = %q", got)
+	}
+	if got := readSTRM(t, streamPath); got != "https://media.example.com/api/stream/media-1?token=old" {
+		t.Fatalf("stream strm = %q", got)
+	}
+	if got := readSTRM(t, externalPath); got != "https://cdn.example.com/video.m3u8" {
+		t.Fatalf("external strm should not change: %q", got)
+	}
+}
+
+func TestRepairSTRMFilesDryRunDoesNotWrite(t *testing.T) {
+	outDir := t.TempDir()
+	filePath := filepath.Join(outDir, "Movie.strm")
+	original := "http://old.local/api/cloud/play/openlist?ref=%2FMovie.mkv\n"
+	if err := os.WriteFile(filePath, []byte(original), 0o644); err != nil {
+		t.Fatal(err)
+	}
+	svc := NewSTRMService(zap.NewNop(), nil, nil)
+
+	res, err := svc.RepairFiles(t.Context(), RepairSTRMOptions{
+		OutputDir: outDir,
+		BaseURL:   "https://media.example.com",
+		DryRun:    true,
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if res.Previewed != 1 || res.Repaired != 0 || len(res.Items) != 1 {
+		t.Fatalf("result = %#v, want one repair preview", res)
+	}
+	if got := readSTRM(t, filePath); got != strings.TrimSpace(original) {
+		t.Fatalf("dry run changed file: %q", got)
+	}
+}