UPDATE: Add raster tiles

internal/services/rasterTileService.go

@@ -0,0 +1,57 @@
+package services
+
+import (
+	"context"
+	"history-api/internal/repositories"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+type RasterTileService interface {
+	GetMetadata(ctx context.Context) (map[string]string, error)
+	GetTile(ctx context.Context, z, x, y int) ([]byte, map[string]string, error)
+}
+
+type rasterTileService struct {
+	tileRepo repositories.RasterTileRepository
+}
+
+func NewRasterTileService(
+	TileRepo repositories.RasterTileRepository,
+) RasterTileService {
+	return &rasterTileService{
+		tileRepo: TileRepo,
+	}
+}
+
+func (t *rasterTileService) GetMetadata(ctx context.Context) (map[string]string, error) {
+	metaData, err := t.tileRepo.GetMetadata(ctx)
+	if err != nil {
+		return nil, fiber.NewError(fiber.StatusInternalServerError, err.Error())
+	}
+	return metaData, nil
+}
+
+
+func (t *rasterTileService) GetTile(ctx context.Context, z, x, y int) ([]byte, map[string]string, error) {
+	contentType := make(map[string]string)
+
+	data, format, err := t.tileRepo.GetTile(ctx, z, x, y)
+	if err != nil {
+		return nil, contentType, fiber.NewError(fiber.StatusInternalServerError, err.Error())
+	}
+	
+	switch format {
+	case "png":
+		contentType["Content-Type"] = "image/png"
+	case "jpg", "jpeg":
+		contentType["Content-Type"] = "image/jpeg"
+	case "webp":
+		contentType["Content-Type"] = "image/webp"
+	default:
+		contentType["Content-Type"] = "application/octet-stream"
+	}
+
+	return data, contentType, nil
+
+}

internal/services/tileService.go

@@ -40,12 +40,15 @@ func (t *tileService) GetTile(ctx context.Context, z, x, y int) ([]byte, map[str
 	if err != nil {
 		return nil, contentType, fiber.NewError(fiber.StatusInternalServerError, err.Error())
 	}
-	contentType["Content-Type"] = "image/png"
-	if format == "jpg" {
-		contentType["Content-Type"] = "image/jpeg"
-	}
-	if format == "pbf" {
+	switch format {
+	case "pbf":
 		contentType["Content-Type"] = "application/x-protobuf"
+	case "png":
+		contentType["Content-Type"] = "image/png"
+	case "jpg", "jpeg":
+		contentType["Content-Type"] = "image/jpeg"
+	default:
+		contentType["Content-Type"] = "application/octet-stream"
 	}
 
 	if isPBF {