add endpoint for team and athlete amount by meeting

controller/athlete_controller.go

@@ -14,6 +14,7 @@ func athleteController() {
 	router.GET("/athlete", getAthletes)
 
 	router.GET("/athlete/amount", getAthletesAmount)
+	router.GET("/athlete/meet/:meet_id/amount", getAthletesAmountByMeeting)
 
 	router.GET("/athlete/:id", getAthlete)
 	router.GET("/athlete/name_year", getAthleteByNameAndYear)
@@ -52,6 +53,22 @@ func getAthletesAmount(c *gin.Context) {
 	c.IndentedJSON(http.StatusOK, starts)
 }
 
+func getAthletesAmountByMeeting(c *gin.Context) {
+	meeting := c.Param("meet_id")
+	if meeting == "" {
+		c.IndentedJSON(http.StatusBadRequest, gin.H{"message": "given meet_id is empty"})
+		return
+	}
+
+	starts, err := service.GetAthletesAmountByMeeting(meeting)
+	if err != nil {
+		c.IndentedJSON(http.StatusInternalServerError, gin.H{"message": err.Error()})
+		return
+	}
+
+	c.IndentedJSON(http.StatusOK, starts)
+}
+
 func getAthletesByMeeting(c *gin.Context) {
 	id := c.Param("meet_id")
 	if id == "" {

controller/team_controller.go

@@ -12,6 +12,10 @@ import (
 func teamController() {
 	router.GET("/team", getTeams)
 	router.GET("/team/:id", getTeam)
+
+	router.GET("/team/amount", getTeamsAmount)
+	router.GET("/team/meet/:meet_id/amount", getTeamsAmountByMeeting)
+
 	router.GET("/team/meet/:meet_id", getTeamsByMeeting)
 	router.GET("/team/name", getTeamByName)
 	router.GET("/team/alias", getTeamByAlias)
@@ -48,6 +52,32 @@ func getTeam(c *gin.Context) {
 	c.IndentedJSON(http.StatusOK, team)
 }
 
+func getTeamsAmount(c *gin.Context) {
+	starts, err := service.GetTeamsAmount()
+	if err != nil {
+		c.IndentedJSON(http.StatusInternalServerError, gin.H{"message": err.Error()})
+		return
+	}
+
+	c.IndentedJSON(http.StatusOK, starts)
+}
+
+func getTeamsAmountByMeeting(c *gin.Context) {
+	meeting := c.Param("meet_id")
+	if meeting == "" {
+		c.IndentedJSON(http.StatusBadRequest, gin.H{"message": "given meet_id is empty"})
+		return
+	}
+
+	starts, err := service.GetTeamsAmountByMeeting(meeting)
+	if err != nil {
+		c.IndentedJSON(http.StatusInternalServerError, gin.H{"message": err.Error()})
+		return
+	}
+
+	c.IndentedJSON(http.StatusOK, starts)
+}
+
 func getTeamsByMeeting(c *gin.Context) {
 	id := c.Param("meet_id")
 	if id == "" {

service/athlete_service.go

@@ -72,6 +72,18 @@ func GetAthletesAmount() (int, error) {
 	return int(count), nil
 }
 
+func GetAthletesAmountByMeeting(meeting string) (int, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	opts := options.Count().SetHint("_id_")
+	count, err := athleteCollection.CountDocuments(ctx, bson.D{{"participation", meeting}}, opts)
+	if err != nil {
+		return 0, err
+	}
+	return int(count), nil
+}
+
 func GetAthletes(paging Paging) ([]model.Athlete, error) {
 	return getAthletesByBsonDocumentWithOptions(
 		bson.M{

service/team_service.go

@@ -62,6 +62,30 @@ func GetTeams(paging Paging) ([]model.Team, error) {
 		}, paging.getPaginatedOpts())
 }
 
+func GetTeamsAmount() (int, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	opts := options.Count().SetHint("_id_")
+	count, err := teamCollection.CountDocuments(ctx, bson.D{}, opts)
+	if err != nil {
+		return 0, err
+	}
+	return int(count), nil
+}
+
+func GetTeamsAmountByMeeting(meeting string) (int, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	opts := options.Count().SetHint("_id_")
+	count, err := teamCollection.CountDocuments(ctx, bson.D{{"participation", meeting}}, opts)
+	if err != nil {
+		return 0, err
+	}
+	return int(count), nil
+}
+
 func GetTeamsByMeeting(id string, paging Paging) ([]model.Team, error) {
 	return getTeamsByBsonDocumentWithOptions(bson.M{
 		"$and": []interface{}{