Greatly reduce repeated code

functions/api/inactivity/[id].ts

@@ -1,28 +1,19 @@
+import { jsonError } from "../../common.js";
 import validateInactivityNotice from "./validate.js";
 
-function jsonResponse(body: string, status = 200): Response {
-  return new Response(body, {
-    headers: {
-      "content-type": "application/json",
-    },
-    status,
-  });
-}
-
 export async function onRequestDelete(context: RequestContext) {
   const kvResult = await context.env.DATA.get(
     `inactivity_${context.params.id}`,
   );
 
-  if (!kvResult)
-    return jsonResponse('{"error":"No inactivity notice with that ID"}', 404);
+  if (!kvResult) return jsonError("No inactivity notice with that ID", 404);
 
   if (
     JSON.parse(kvResult).user.id !== context.data.current_user.id &&
     !(context.data.current_user.permissions & (1 << 0))
   )
-    return jsonResponse(
-      '{"error":"You do not have permission to delete this inactivity notice"}',
+    return jsonError(
+      "You do not have permission to delete this inactivity notice",
       403,
     );
 
@@ -36,18 +27,46 @@ export async function onRequestDelete(context: RequestContext) {
   });
 }
 
+export async function onRequestPost(context: RequestContext) {
+  const { accepted }: { accepted?: boolean } = context.data.body;
+
+  if (typeof accepted !== "boolean")
+    return jsonError("'accepted' must be a boolean", 400);
+
+  const adminDepartments: { [k: string]: number } = {
+    DM: 1 << 11,
+    ET: 1 << 4,
+    FM: 1 << 7,
+    WM: 1 << 6,
+  };
+
+  const userAdminDepartments = Object.values(adminDepartments).filter(
+    (dept) => context.data.current_user.permissions & dept,
+  );
+
+  if (!userAdminDepartments.length)
+    return jsonError("You are not a manager of any departments", 403);
+
+  const requestedNotice = await context.env.DATA.get(
+    `inactivity_${context.params.id as string}`,
+    { type: "json" },
+  );
+
+  if (!requestedNotice)
+    return jsonError("Inactivity notices does not exist", 404);
+}
+
 export async function onRequestPut(context: RequestContext) {
   const kvResult: InactivityNoticeProps | null = await context.env.DATA.get(
     `inactivity_${context.params.id}`,
     { type: "json" },
   );
 
-  if (!kvResult)
-    return jsonResponse('{"error":"No inactivity notice with that ID"}', 404);
+  if (!kvResult) return jsonError("No inactivity notice with that ID", 404);
 
   if (kvResult.user.id !== context.data.current_user.id)
-    return jsonResponse(
-      '{"error":"You do not have permission to modify this inactivity notice"}',
+    return jsonError(
+      "You do not have permission to modify this inactivity notice",
       403,
     );
 
@@ -58,7 +77,7 @@ export async function onRequestPut(context: RequestContext) {
     .run();
 
   if (!Boolean(d1entry.results.at(0)?.open))
-    return jsonResponse("Cannot modify a closed inactivity notice", 403);
+    return jsonError("Cannot modify a closed inactivity notice", 403);
 
   const { departments, end, reason, start } = context.data.body;
 
@@ -84,4 +103,8 @@ export async function onRequestPut(context: RequestContext) {
       expirationTtl: 63072000,
     },
   );
+
+  return new Response(null, {
+    status: 204,
+  });
 }