Add GetRace

api/proto/racing/racing.proto

@@ -25,6 +25,10 @@ service Racing {
   rpc ListRaces(ListRacesRequest) returns (ListRacesResponse) {
     option (google.api.http) = { post: "/v1/list-races", body: "*" };
   }
+  // GetRace returns a single race by resource name.
+  rpc GetRace(GetRaceRequest) returns (Race) {
+    option (google.api.http) = { get: "/v1/{name=races/*}" };
+  }
 }
 
 /* Requests/Responses */
@@ -39,6 +43,12 @@ message ListRacesResponse {
   repeated Race races = 1;
 }
 
+message GetRaceRequest {
+  // The resource name of the race to retrieve.
+  // Format: races/{race}
+  string name = 1; // required
+}
+
 // Filter for listing races.
 message ListRacesRequestFilter {
   repeated int64 meeting_ids = 1;

racing/db/races.go

@@ -19,6 +19,9 @@ type RacesRepo interface {
 
 	// List will return a list of races.
 	List(filter *racing.ListRacesRequestFilter) ([]*racing.Race, error)
+
+	// Get returns a single race by numeric id.
+	Get(id int64) (*racing.Race, error)
 }
 
 type racesRepo struct {
@@ -62,6 +65,32 @@ func (r *racesRepo) List(filter *racing.ListRacesRequestFilter) ([]*racing.Race,
 	return r.scanRaces(rows)
 }
 
+func (r *racesRepo) Get(id int64) (*racing.Race, error) {
+	query := "SELECT id, meeting_id, name, number, visible, advertised_start_time FROM races WHERE id = ? LIMIT 1"
+	row := r.db.QueryRow(query, id)
+	var (
+		race            racing.Race
+		advertisedStart time.Time
+	)
+	if err := row.Scan(&race.Id, &race.MeetingId, &race.Name, &race.Number, &race.Visible, &advertisedStart); err != nil {
+		if err == sql.ErrNoRows {
+			return nil, nil
+		}
+		return nil, err
+	}
+	ts, err := ptypes.TimestampProto(advertisedStart)
+	if err != nil {
+		return nil, err
+	}
+	race.AdvertisedStartTime = ts
+	if advertisedStart.After(time.Now()) {
+		race.Status = racing.RaceStatus_RACE_STATUS_OPEN
+	} else {
+		race.Status = racing.RaceStatus_RACE_STATUS_CLOSED
+	}
+	return &race, nil
+}
+
 func (r *racesRepo) applyFilter(query string, filter *racing.ListRacesRequestFilter) (string, []interface{}) {
 	var (
 		clauses []string

racing/proto/racing.go

@@ -1,3 +1,3 @@
 package proto
 
-//go:generate protoc --go_out=. --go-grpc_out=require_unimplemented_servers=false:. racing/racing.proto --experimental_allow_proto3_optional
+//go:generate protoc -I . --go_out=paths=source_relative:. --go-grpc_out=paths=source_relative,require_unimplemented_servers=false:. racing/racing.proto --experimental_allow_proto3_optional