route + query updates for "assignees" update

packages/backend/src/routes/issue/update.ts

@@ -1,32 +1,43 @@
-import { IssueUpdateRequestSchema } from "@sprint/shared";
+import { type IssueRecord, IssueUpdateRequestSchema } from "@sprint/shared";
 import type { BunRequest } from "bun";
-import { updateIssue } from "../../db/queries";
+import { getIssueByID, setIssueAssignees, updateIssue } from "../../db/queries";
 import { errorResponse, parseJsonBody } from "../../validation";
 
 export default async function issueUpdate(req: BunRequest) {
     const parsed = await parseJsonBody(req, IssueUpdateRequestSchema);
     if ("error" in parsed) return parsed.error;
 
-    const { id, title, description, status, assigneeId, sprintId } = parsed.data;
+    const { id, title, description, status, assigneeIds, sprintId } = parsed.data;
 
     // check that at least one field is being updated
     if (
         title === undefined &&
         description === undefined &&
         status === undefined &&
-        assigneeId === undefined &&
+        assigneeIds === undefined &&
         sprintId === undefined
     ) {
         return errorResponse("no updates provided", "NO_UPDATES", 400);
     }
 
-    const issue = await updateIssue(id, {
-        title,
-        description,
-        sprintId,
-        assigneeId,
-        status,
-    });
+    const hasIssueFieldUpdates =
+        title !== undefined || description !== undefined || status !== undefined || sprintId !== undefined;
+
+    let issue: IssueRecord | undefined;
+    if (hasIssueFieldUpdates) {
+        [issue] = await updateIssue(id, {
+            title,
+            description,
+            sprintId,
+            status,
+        });
+    } else {
+        issue = await getIssueByID(id);
+    }
+
+    if (assigneeIds !== undefined) {
+        await setIssueAssignees(id, assigneeIds ?? []);
+    }
 
     return Response.json(issue);
 }