Add first game appeal endpoints

functions/api/game-appeals/precheck.ts

@@ -0,0 +1,66 @@
+import { queryLogs } from "../../gcloud.js";
+import { getBanList } from "../../roblox-open-cloud.js";
+
+export default async function (
+  context: RequestContext,
+  user: number,
+): Promise<{ can_appeal?: boolean; error?: string; reason?: string }> {
+  if (
+    await context.env.D1.prepare("SELECT * FROM game_appeals WHERE open = 1 AND user = ?;")
+      .bind(user)
+      .first()
+  )
+    return {
+      can_appeal: false,
+      reason: "You have already submitted an appeal",
+    };
+
+  let banList;
+
+  try {
+    banList = (await getBanList(context)) as {
+      [k: number]: { BanType: number };
+    };
+  } catch {
+    return {
+      error: "Failed to check your ban status",
+    };
+  }
+
+  if (!banList[user]?.BanType)
+    return {
+      can_appeal: false,
+      reason: "You do not appear to be banned",
+    };
+
+  let userLogs;
+
+  try {
+    userLogs = await queryLogs(user, context);
+  } catch {
+    return {
+      error: "Could not determine your eligibility",
+    };
+  }
+
+  userLogs.sort((a, b) =>
+    parseInt(a.entity.properties.executed_at.integerValue) >
+    parseInt(b.entity.properties.executed_at.integerValue)
+      ? -1
+      : 1,
+  );
+
+  const allowedTime =
+    parseInt(userLogs[0].entity.properties.executed_at.integerValue) +
+    2592000000;
+
+  if (Date.now() < allowedTime)
+    return {
+      can_appeal: false,
+      reason: `You must wait until ${new Date(
+        allowedTime,
+      ).toLocaleString()} to submit an appeal`,
+    };
+
+  return { can_appeal: true, reason: "" };
+}