Show iam filter for machines

app/models/ldap/Machine.model.js

@@ -20,6 +20,12 @@ class MachineModel extends Model {
     }
 
     async to_api() {
+        let iam_filter = `(|(iamTarget=${this.id})`
+        for ( const group of (await this.groups()) ) {
+            iam_filter += `(iamTarget=${group.id})`
+        }
+        iam_filter += ')'
+
         return {
             id: this.id,
             name: this.name,
@@ -27,9 +33,18 @@ class MachineModel extends Model {
             host_name: this.host_name,
             location: this.location,
             ldap_visible: this.ldap_visible,
+            iam_filter,
         }
     }
 
+    async groups() {
+        const MachineGroup = this.models.get('ldap:MachineGroup')
+        return MachineGroup.find({
+            machine_ids: this.id,
+            active: true
+        })
+    }
+
     async set_bind_password(password) {
         this.bind_password = await bcrypt.hash(password, 10)
         return this