refactor quota settings

pkg/setting/setting_quota.go

@@ -0,0 +1,17 @@
+package setting
+
+type QuotaSettings struct {
+	Enabled bool
+	Default map[string]int64
+}
+
+func readQuotaSettings() {
+	// set global defaults.
+	DefaultQuotas := make(map[string]int64)
+	quota := Cfg.Section("quota")
+	Quota.Enabled = quota.Key("enabled").MustBool(false)
+	DefaultQuotas["user"] = quota.Key("user").MustInt64(10)
+	DefaultQuotas["data_source"] = quota.Key("data_source").MustInt64(10)
+	DefaultQuotas["dashboard"] = quota.Key("dashboard").MustInt64(10)
+	Quota.Default = DefaultQuotas
+}