Add trigger for updating sub-issues project (#2079)

Signed-off-by: Sergei Ogorelkov <sergei.ogorelkov@xored.com>

server-plugins/tracker-resources/src/index.ts

@@ -0,0 +1,75 @@
+//
+// Copyright © 2022 Hardcore Engineering Inc.
+//
+// Licensed under the Eclipse Public License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License. You may
+// obtain a copy of the License at https://www.eclipse.org/legal/epl-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import core, { AttachedData, Tx, TxUpdateDoc } from '@anticrm/core'
+import { extractTx, TriggerControl } from '@anticrm/server-core'
+import tracker, { Issue } from '@anticrm/tracker'
+
+async function updateSubIssues (
+  control: TriggerControl,
+  node: Issue,
+  update: Partial<AttachedData<Issue>>,
+  shouldSkip = false
+): Promise<TxUpdateDoc<Issue>[]> {
+  let txes: TxUpdateDoc<Issue>[] = []
+
+  if (!shouldSkip && Object.entries(update).some(([key, value]) => value !== node[key as keyof Issue])) {
+    txes.push(control.txFactory.createTxUpdateDoc(node._class, node.space, node._id, update))
+  }
+
+  if (node.subIssues > 0) {
+    const subIssues = await control.findAll(tracker.class.Issue, { attachedTo: node._id })
+
+    for (const subIssue of subIssues) {
+      txes = txes.concat(await updateSubIssues(control, subIssue, update))
+    }
+  }
+
+  return txes
+}
+
+/**
+ * @public
+ */
+export async function OnIssueProjectUpdate (tx: Tx, control: TriggerControl): Promise<Tx[]> {
+  const actualTx = extractTx(tx)
+  if (actualTx._class !== core.class.TxUpdateDoc) {
+    return []
+  }
+
+  const updateTx = actualTx as TxUpdateDoc<Issue>
+  if (!control.hierarchy.isDerived(updateTx.objectClass, tracker.class.Issue)) {
+    return []
+  }
+
+  if (!Object.prototype.hasOwnProperty.call(updateTx.operations, 'project')) {
+    return []
+  }
+
+  const update: Partial<AttachedData<Issue>> = { project: updateTx.operations.project ?? null }
+  const [node] = await control.findAll(
+    updateTx.objectClass,
+    { _id: updateTx.objectId, subIssues: { $gt: 0 } },
+    { limit: 1 }
+  )
+  return node !== undefined ? await updateSubIssues(control, node, update, true) : []
+}
+
+// eslint-disable-next-line @typescript-eslint/explicit-function-return-type
+export default async () => ({
+  trigger: {
+    OnIssueProjectUpdate
+  }
+})