core&ui: add training maintainer

packages/hydrooj/src/handler/training.ts

@@ -206,20 +206,20 @@ class TrainingEditHandler extends Handler {
     @param('dag', Types.Content)
     @param('pin', Types.UnsignedInt)
     @param('description', Types.Content)
+    @param('maintainer', Types.NumericArray, true)
     async post(
-        domainId: string, tid: ObjectId,
-        title: string, content: string,
-        _dag: string, pin = 0, description: string,
+        domainId: string, tid: ObjectId, title: string, content: string,
+        _dag: string, pin = 0, description: string, maintainer: number[] = [],
     ) {
         if ((!!this.tdoc?.pin) !== (!!pin)) this.checkPerm(PERM.PERM_PIN_TRAINING);
         const dag = await _parseDagJson(domainId, _dag);
         const pids = training.getPids(dag);
         assert(pids.length, new ValidationError('dag', null, 'Please specify at least one problem'));
         if (!tid) {
-            tid = await training.add(domainId, title, content, this.user._id, dag, description, pin);
+            tid = await training.add(domainId, title, content, this.user._id, dag, description, pin, maintainer);
         } else {
             await training.edit(domainId, tid, {
-                title, content, dag, description, pin,
+                title, content, dag, description, pin, maintainer,
             });
         }
         this.response.body = { tid };

packages/hydrooj/src/model/training.ts

@@ -35,8 +35,8 @@ export function setStatus(domainId: string, tid: ObjectId, uid: number, $set: an
 }
 
 export function add(
-    domainId: string, title: string, content: string,
-    owner: number, dag: TrainingNode[] = [], description = '', pin = 0,
+    domainId: string, title: string, content: string, owner: number,
+    dag: TrainingNode[] = [], description = '', pin = 0, maintainer: number[] = [],
 ) {
     return document.add(domainId, content, owner, document.TYPE_TRAINING, null, null, null, {
         dag,
@@ -44,6 +44,7 @@ export function add(
         description,
         attend: 0,
         pin,
+        maintainer,
     });
 }