feat: add quota limitation to organizations, users, providers and applications (#1339)

conf/conf.go

@@ -15,6 +15,7 @@
 package conf
 
 import (
+	"encoding/json"
 	"fmt"
 	"os"
 	"runtime"
@@ -24,6 +25,15 @@ import (
 	"github.com/beego/beego"
 )
 
+type Quota struct {
+	Organization int `json:"organization"`
+	User         int `json:"user"`
+	Application  int `json:"application"`
+	Provider     int `json:"provider"`
+}
+
+var quota = &Quota{-1, -1, -1, -1}
+
 func init() {
 	// this array contains the beego configuration items that may be modified via env
 	presetConfigItems := []string{"httpport", "appname"}
@@ -35,6 +45,17 @@ func init() {
 			}
 		}
 	}
+	initQuota()
+}
+
+func initQuota() {
+	res := beego.AppConfig.String("quota")
+	if res != "" {
+		err := json.Unmarshal([]byte(res), quota)
+		if err != nil {
+			panic(err)
+		}
+	}
 }
 
 func GetConfigString(key string) string {
@@ -95,3 +116,7 @@ func GetConfigBatchSize() int {
 	}
 	return res
 }
+
+func GetConfigQuota() *Quota {
+	return quota
+}