the very basic store implementation for limit_classes, applied_limit_classes (#606)

controller/store/appliedLimitClass.go

@@ -0,0 +1,40 @@
+package store
+
+import (
+	"github.com/jmoiron/sqlx"
+	"github.com/pkg/errors"
+)
+
+type AppliedLimitClass struct {
+	Model
+	AccountId    int
+	LimitClassId int
+}
+
+func (str *Store) ApplyLimitClass(lc *AppliedLimitClass, trx *sqlx.Tx) (int, error) {
+	stmt, err := trx.Prepare("insert into applied_limit_classes (account_id, limit_class_id) values ($1, $2) returning id")
+	if err != nil {
+		return 0, errors.Wrap(err, "error preparing applied_limit_classes insert statement")
+	}
+	var id int
+	if err := stmt.QueryRow(lc.AccountId, lc.LimitClassId).Scan(&id); err != nil {
+		return 0, errors.Wrap(err, "error executing applied_limit_classes insert statement")
+	}
+	return id, nil
+}
+
+func (str *Store) FindLimitClassesForAccount(acctId int, trx *sqlx.Tx) ([]*LimitClass, error) {
+	rows, err := trx.Queryx("select limit_classes.* from applied_limit_classes, limit_classes where applied_limit_classes.account_id = $1 and applied_limit_classes.limit_class_id = limit_classes.id", acctId)
+	if err != nil {
+		return nil, errors.Wrap(err, "error finding limit classes for account")
+	}
+	var lcs []*LimitClass
+	for rows.Next() {
+		lc := &LimitClass{}
+		if err := rows.StructScan(&lc); err != nil {
+			return nil, errors.Wrap(err, "error scanning limit_classes")
+		}
+		lcs = append(lcs, lc)
+	}
+	return lcs, nil
+}

controller/store/limitClass.go

@@ -0,0 +1,31 @@
+package store
+
+import (
+	"github.com/jmoiron/sqlx"
+	"github.com/openziti/zrok/sdk/golang/sdk"
+	"github.com/pkg/errors"
+)
+
+type LimitClass struct {
+	Model
+	LimitScope    LimitScope
+	LimitAction   LimitAction
+	ShareMode     sdk.ShareMode
+	BackendMode   sdk.BackendMode
+	PeriodMinutes int
+	RxBytes       int64
+	TxBytes       int64
+	TotalBytes    int64
+}
+
+func (str *Store) CreateLimitClass(lc *LimitClass, trx *sqlx.Tx) (int, error) {
+	stmt, err := trx.Prepare("insert into limit_classes (limit_scope, limit_action, share_mode, backend_mode, period_minutes, rx_bytes, tx_bytes, total_bytes) values ($1, $2, $3, $4, $5, $6, $7, $8) returning id")
+	if err != nil {
+		return 0, errors.Wrap(err, "error preparing limit_classes insert statement")
+	}
+	var id int
+	if err := stmt.QueryRow(lc.LimitScope, lc.LimitAction, lc.ShareMode, lc.BackendMode, lc.PeriodMinutes).Scan(&id); err != nil {
+		return 0, errors.Wrap(err, "error executing limit_classes insert statement")
+	}
+	return id, nil
+}