From e2fcfdc4d608e260bb596952d8b54a7dcef05258 Mon Sep 17 00:00:00 2001
From: Adam Soltys <adam@coinos.io>
Date: Sat, 21 Dec 2024 10:24:04 -0800
Subject: send max for internal payments

---
 .../(app)/send/bitcoin/[address]/+page.svelte      | 13 +++-------
 src/routes/(app)/send/invoice/[id]/+page.server.ts |  5 ++--
 src/routes/(app)/send/invoice/[id]/+page.svelte    | 30 +++++++++++++++++++---
 3 files changed, 34 insertions(+), 14 deletions(-)

diff --git a/src/routes/(app)/send/bitcoin/[address]/+page.svelte b/src/routes/(app)/send/bitcoin/[address]/+page.svelte
index 09caaa85..060473ec 100644
--- a/src/routes/(app)/send/bitcoin/[address]/+page.svelte
+++ b/src/routes/(app)/send/bitcoin/[address]/+page.svelte
@@ -1,6 +1,4 @@
 <script>
-  import { run, preventDefault } from 'svelte/legacy';
-
   import { t } from "$lib/translations";
   import Icon from "$comp/Icon.svelte";
   import Numpad from "$comp/Numpad.svelte";
@@ -16,16 +14,13 @@
 
   let amount = $state(0);
   let submit = $state(), fiat = $state();
+  $effect(() => ($rate = data.rate));
 
-  let update = () => ($rate = data.rate);
-
-  let setMax = () => {
+  let setMax = (e) => {
+    e.preventDefault();
     fiat = false;
     amount = balance;
   };
-  run(() => {
-    update(data);
-  });
 </script>
 
 <div class="container px-4 max-w-xl mx-auto space-y-5 text-center">
@@ -39,7 +34,7 @@
     <button
       type="button"
       class="btn !w-auto grow"
-      onclick={preventDefault(setMax)}
+      onclick={setMax}
       onkeydown={setMax}>Max ⚡️{s(balance)}</button
     >
 
diff --git a/src/routes/(app)/send/invoice/[id]/+page.server.ts b/src/routes/(app)/send/invoice/[id]/+page.server.ts
index 6cacc1c6..c78ba008 100644
--- a/src/routes/(app)/send/invoice/[id]/+page.server.ts
+++ b/src/routes/(app)/send/invoice/[id]/+page.server.ts
@@ -3,8 +3,8 @@ import { auth, fd, get, post, types } from "$lib/utils";
 import { error, redirect } from "@sveltejs/kit";
 
 export async function load({ cookies, params: { id }, parent }) {
-	const aid = cookies.get("aid");
 	const { user } = await parent();
+	const aid = cookies.get("aid") || user.id;
 
 	const invoice = await get(`/invoice/${id}`);
 
@@ -24,8 +24,9 @@ export async function load({ cookies, params: { id }, parent }) {
 	const rates = await getRates();
 	const rate = rates[user.currency];
 	const invoiceRate = rates[invoice.currency];
+	const { balance } = await get(`/account/${aid}`, auth(cookies));
 
-	return { invoice, user, rate, invoiceRate };
+	return { balance, invoice, user, rate, invoiceRate };
 }
 
 export const actions = {
diff --git a/src/routes/(app)/send/invoice/[id]/+page.svelte b/src/routes/(app)/send/invoice/[id]/+page.svelte
index 5a446dbb..7d167f41 100644
--- a/src/routes/(app)/send/invoice/[id]/+page.svelte
+++ b/src/routes/(app)/send/invoice/[id]/+page.svelte
@@ -12,10 +12,21 @@
   import Numpad from "$comp/Numpad.svelte";
   import Spinner from "$comp/Spinner.svelte";
   import { page } from "$app/stores";
-  import { btc, sat, post, back, f, toFiat, s, sats, focus, loc } from "$lib/utils";
+  import {
+    btc,
+    sat,
+    post,
+    back,
+    f,
+    toFiat,
+    s,
+    sats,
+    focus,
+    loc,
+  } from "$lib/utils";
   let { data, form } = $props();
 
-  let { invoice, user } = $state(data);
+  let { balance, invoice, user } = $state(data);
   let { address, hash, payreq, user: recipient, tip } = $state(invoice);
   let { currency } = $derived(user);
   let locale = $derived(loc(user));
@@ -76,6 +87,12 @@
   // 		}
   // 	}
   // });
+
+  let setMax = (e) => {
+    e.preventDefault();
+    fiat = false;
+    amount = balance;
+  };
 </script>
 
 {#if form?.message}
@@ -156,10 +173,17 @@
           {/if}
         </button>
       {:else}
+        <button
+          type="button"
+          class="btn !w-auto grow"
+          onclick={setMax}
+          onkeydown={setMax}>Max ⚡️{s(balance)}</button
+        >
+
         <button
           bind:this={submit}
           type="button"
-          class="btn !w-auto"
+          class="btn btn-accent !w-auto grow"
           onclick={setAmount}
         >
           {$t("payments.next")}
-- 
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