Add tiles management

tiles/tiles-handler.go

@@ -0,0 +1,49 @@
+package tiles
+
+import (
+	"time"
+
+	"git.coopgo.io/coopgo-platform/carpool-service/storage"
+	"github.com/paulmach/orb"
+	"github.com/spf13/viper"
+)
+
+type TilesHandler struct {
+	Config            *viper.Viper
+	PersistentStorage storage.Storage
+
+	CachedTileset map[string]Tileset
+}
+
+func NewTilesHandler(cfg *viper.Viper, persistantStorage storage.Storage) (*TilesHandler, error) {
+	return &TilesHandler{
+		Config:            cfg,
+		PersistentStorage: persistantStorage,
+	}, nil
+}
+
+// GetTiles retrieves tiles
+func (h *TilesHandler) GetTiles(driverOrPassenger string, date time.Time, points ...orb.Point) (*Tileset, error) {
+	result := Tileset{}
+
+	grid_ids := []GridId{}
+
+	nb_points := len(points)
+
+	if nb_points > 1 {
+		grid_ids = LineStringGridIds(orb.LineString(points))
+	} else if nb_points == 1 {
+		grid_ids = []GridId{PointGridId(points[0])}
+	}
+
+	dateString := date.Format("2006-01-02")
+	for _, gid := range grid_ids {
+		tile, err := h.GetTile(driverOrPassenger, date, gid)
+		if err != nil {
+			return nil, err
+		}
+		result[dateString] = tile
+	}
+
+	return &result, nil
+}