Initial cloud-services repo - gateway service + pkg modules

pkg/db/queries/rate_plan_tomobile.go

@@ -0,0 +1,41 @@
+package queries
+
+import (
+	"fmt"
+
+	"fiskerinc.com/modules/common"
+	"github.com/go-pg/pg/v10/orm"
+	"github.com/pkg/errors"
+)
+
+type RatePlanInterface interface {
+	Select(string) (*common.RatePlanTMobile, error)
+}
+
+type RatePlanTmobile struct {
+	QueryBase
+}
+
+func (rpt *RatePlanTmobile) Select(country string) (*common.RatePlanTMobile, error) {
+	ratePlan := []common.RatePlanTMobile{}
+	query := rpt.CreateSelectQuery(country, &ratePlan)
+
+	err := query.Select()
+	if err != nil {
+		return nil, errors.WithStack(err)
+	}
+
+	if len(ratePlan) == 1 {
+		return &ratePlan[0], nil
+	} else if len(ratePlan) == 0 {
+		return nil, fmt.Errorf("no rate plan exists for country %s", country)
+	} else {
+		return nil, fmt.Errorf("multiple rate plans exist for country %s", country)
+	}
+}
+
+func (rpt *RatePlanTmobile) CreateSelectQuery(country string, ratePlan *[]common.RatePlanTMobile) *orm.Query {
+	return rpt.GetDBConn().
+		Model(ratePlan).
+		Where("country = ?", country)
+}