Revert "Chore: Refactor quota service (#57586)" (#58394)

This reverts commit 326ea86a57.

pkg/setting/setting.go

@@ -153,6 +153,9 @@ var (
 	LDAPAllowSignup       bool
 	LDAPActiveSyncEnabled bool
 
+	// Quota
+	Quota QuotaSettings
+
 	// Alerting
 	AlertingEnabled            *bool
 	ExecuteAlerts              bool
@@ -419,12 +422,12 @@ type Cfg struct {
 	LDAPSkipOrgRoleSync bool
 	LDAPAllowSignup     bool
 
+	Quota QuotaSettings
+
 	DefaultTheme  string
 	DefaultLocale string
 	HomePage      string
 
-	Quota QuotaSettings
-
 	AutoAssignOrg              bool
 	AutoAssignOrgId            int
 	AutoAssignOrgRole          string
@@ -1050,12 +1053,11 @@ func (cfg *Cfg) Load(args CommandLineArgs) error {
 	cfg.readAzureSettings()
 	cfg.readSessionConfig()
 	cfg.readSmtpSettings()
+	cfg.readQuotaSettings()
 	if err := cfg.readAnnotationSettings(); err != nil {
 		return err
 	}
 
-	cfg.readQuotaSettings()
-
 	cfg.readExpressionsSettings()
 	if err := cfg.readGrafanaEnvironmentMetrics(); err != nil {
 		return err

pkg/setting/setting_quota.go

@@ -1,5 +1,9 @@
 package setting
 
+import (
+	"reflect"
+)
+
 type OrgQuota struct {
 	User       int64 `target:"org_user"`
 	DataSource int64 `target:"data_source"`
@@ -23,17 +27,45 @@ type GlobalQuota struct {
 	File       int64 `target:"file"`
 }
 
+func (q *OrgQuota) ToMap() map[string]int64 {
+	return quotaToMap(*q)
+}
+
+func (q *UserQuota) ToMap() map[string]int64 {
+	return quotaToMap(*q)
+}
+
+func quotaToMap(q interface{}) map[string]int64 {
+	qMap := make(map[string]int64)
+	typ := reflect.TypeOf(q)
+	val := reflect.ValueOf(q)
+
+	for i := 0; i < typ.NumField(); i++ {
+		field := typ.Field(i)
+		name := field.Tag.Get("target")
+		if name == "" {
+			name = field.Name
+		}
+		if name == "-" {
+			continue
+		}
+		value := val.Field(i)
+		qMap[name] = value.Int()
+	}
+	return qMap
+}
+
 type QuotaSettings struct {
 	Enabled bool
-	Org     OrgQuota
-	User    UserQuota
-	Global  GlobalQuota
+	Org     *OrgQuota
+	User    *UserQuota
+	Global  *GlobalQuota
 }
 
 func (cfg *Cfg) readQuotaSettings() {
 	// set global defaults.
 	quota := cfg.Raw.Section("quota")
-	cfg.Quota.Enabled = quota.Key("enabled").MustBool(false)
+	Quota.Enabled = quota.Key("enabled").MustBool(false)
 
 	var alertOrgQuota int64
 	var alertGlobalQuota int64
@@ -42,7 +74,7 @@ func (cfg *Cfg) readQuotaSettings() {
 		alertGlobalQuota = quota.Key("global_alert_rule").MustInt64(-1)
 	}
 	// per ORG Limits
-	cfg.Quota.Org = OrgQuota{
+	Quota.Org = &OrgQuota{
 		User:       quota.Key("org_user").MustInt64(10),
 		DataSource: quota.Key("org_data_source").MustInt64(10),
 		Dashboard:  quota.Key("org_dashboard").MustInt64(10),
@@ -51,12 +83,12 @@ func (cfg *Cfg) readQuotaSettings() {
 	}
 
 	// per User limits
-	cfg.Quota.User = UserQuota{
+	Quota.User = &UserQuota{
 		Org: quota.Key("user_org").MustInt64(10),
 	}
 
 	// Global Limits
-	cfg.Quota.Global = GlobalQuota{
+	Quota.Global = &GlobalQuota{
 		User:       quota.Key("global_user").MustInt64(-1),
 		Org:        quota.Key("global_org").MustInt64(-1),
 		DataSource: quota.Key("global_data_source").MustInt64(-1),
@@ -66,4 +98,6 @@ func (cfg *Cfg) readQuotaSettings() {
 		File:       quota.Key("global_file").MustInt64(-1),
 		AlertRule:  alertGlobalQuota,
 	}
+
+	cfg.Quota = Quota
 }