Add ability to manage computers and computer groups from web interface

app/models/ldap/MachineGroup.model.js

@@ -0,0 +1,47 @@
+const { Model } = require('flitter-orm')
+const uuid = require('uuid').v4
+const LDAP = require('ldapjs')
+
+class MachineGroupModel extends Model {
+    static get services() {
+        return [...super.services, 'models', 'ldap_server', 'configs']
+    }
+
+    static get schema() {
+        return {
+            name: String,
+            description: String,
+            UUID: { type: String, default: uuid },
+            active: { type: Boolean, default: true },
+            machine_ids: [String],
+            ldap_visible: { type: Boolean, default: true },
+        }
+    }
+
+    async to_api() {
+        return {
+            id: this.id,
+            name: this.name,
+            description: this.description || '',
+            UUID: this.UUID,
+            machine_ids: this.machine_ids,
+            ldap_visible: this.ldap_visible,
+        }
+    }
+
+    get dn() {
+        return LDAP.parseDN(`cn=${this.name},${this.ldap_server.machine_group_dn().format(this.configs.get('ldap:server.format'))}`)
+    }
+
+    async to_ldap() {
+        return {
+            cn: this.name,
+            dn: this.dn.format(this.configs.get('ldap:server.format')),
+            id: this.id,
+            uuid: this.UUID,
+            description: this.description,
+        }
+    }
+}
+
+module.exports = exports = MachineGroupModel