[golang] implement shipyards visits

1 files changed, 22 insertions, 4 deletions

diff --git a/golang/pkg/api/systems.go b/golang/pkg/api/systems.go
index 3d3a373..05e43e3 100644
--- a/golang/pkg/api/systems.go
+++ b/golang/pkg/api/systems.go
@@ -25,9 +25,10 @@ func (c *Client) GetSystem(symbol string, db *database.DB) (*model.System, error
 }
 
 func (c *Client) ListWaypointsInSystem(system *model.System, db *database.DB) ([]model.Waypoint, error) {
-	// TODO database caching
-	// TODO pagination
-	// TODO check updated
+	if waypoints, err := db.LoadWaypointsInSystem(system); err == nil && waypoints != nil {
+		// TODO check last updated time
+		return waypoints, nil
+	}
 	uriRef := url.URL{Path: path.Join("systems", system.Symbol, "waypoints")}
 	var waypoints []model.Waypoint
 	if err := c.Send("GET", &uriRef, nil, &waypoints); err != nil {
@@ -41,9 +42,26 @@ func (c *Client) ListWaypointsInSystem(system *model.System, db *database.DB) ([
 	return waypoints, nil
 }
 
+func (c *Client) GetShipyard(waypoint *model.Waypoint, db *database.DB) (*model.Shipyard, error) {
+	if shipyard, err := db.LoadShipyard(waypoint.Symbol); err == nil && shipyard != nil &&
+		(shipyard.Ships != nil) { // TODO || !IsThereAShipAtWaypoint(waypoint)) {
+		// TODO check last updated time
+		return shipyard, nil
+	}
+	uriRef := url.URL{Path: path.Join("systems", waypoint.SystemSymbol, "waypoints", waypoint.Symbol, "shipyard")}
+	var shipyard model.Shipyard
+	if err := c.Send("GET", &uriRef, nil, &shipyard); err != nil {
+		return nil, fmt.Errorf("failed to get shipyard at %s: %w", waypoint.Symbol, err)
+	}
+	if err := db.SaveShipyard(&shipyard); err != nil {
+		return nil, fmt.Errorf("failed to get shipyard at %s: %w", waypoint.Symbol, err)
+	}
+	return &shipyard, nil
+}
+
 func (c *Client) GetWaypoint(symbol string, db *database.DB) (*model.Waypoint, error) {
-	// TODO check updated
 	if waypoint, err := db.LoadWaypoint(symbol); err == nil && waypoint != nil {
+		// TODO check last updated time
 		return waypoint, nil
 	}
 	systemSymbol := WaypointSymbolToSystemSymbol(symbol)