feat: plan limits

packages/ee/server-only/limits/provider/client.tsx

@@ -0,0 +1,53 @@
+'use client';
+
+import { createContext, useContext, useEffect, useState } from 'react';
+
+import { getLimits } from '../client';
+import { FREE_PLAN_LIMITS } from '../constants';
+import { TLimitsResponseSchema } from '../schema';
+
+export type LimitsContextValue = TLimitsResponseSchema;
+
+const LimitsContext = createContext<LimitsContextValue | null>(null);
+
+export const useLimits = () => {
+  const limits = useContext(LimitsContext);
+
+  if (!limits) {
+    throw new Error('useLimits must be used within a LimitsProvider');
+  }
+
+  return limits;
+};
+
+export type LimitsProviderProps = {
+  initialValue?: LimitsContextValue;
+  children?: React.ReactNode;
+};
+
+export const LimitsProvider = ({ initialValue, children }: LimitsProviderProps) => {
+  const defaultValue: TLimitsResponseSchema = {
+    quota: FREE_PLAN_LIMITS,
+    remaining: FREE_PLAN_LIMITS,
+  };
+
+  const [limits, setLimits] = useState(() => initialValue ?? defaultValue);
+
+  useEffect(() => {
+    void getLimits().then((limits) => setLimits(limits));
+  }, []);
+
+  useEffect(() => {
+    const onFocus = () => {
+      void getLimits().then((limits) => setLimits(limits));
+    };
+
+    window.addEventListener('focus', onFocus);
+
+    return () => {
+      window.removeEventListener('focus', onFocus);
+    };
+  }, []);
+
+  return <LimitsContext.Provider value={limits}>{children}</LimitsContext.Provider>;
+};

packages/ee/server-only/limits/provider/server.tsx

@@ -0,0 +1,18 @@
+'use server';
+
+import { headers } from 'next/headers';
+
+import { getLimits } from '../client';
+import { LimitsProvider as ClientLimitsProvider } from './client';
+
+export type LimitsProviderProps = {
+  children?: React.ReactNode;
+};
+
+export const LimitsProvider = async ({ children }: LimitsProviderProps) => {
+  const requestHeaders = Object.fromEntries(headers().entries());
+
+  const limits = await getLimits({ headers: requestHeaders });
+
+  return <ClientLimitsProvider initialValue={limits}>{children}</ClientLimitsProvider>;
+};