From 46c7fdddb7ad8ea46daa3d24811a069c53c524cd Mon Sep 17 00:00:00 2001
From: Tiago Vasconcelos <talvasconcelos@gmail.com>
Date: Mon, 5 Aug 2024 16:52:57 +0100
Subject: [PATCH] feat: allow custom memo on invoice

---
 static/js/tpos.js | 37 ++++++++++++++++++++++++++++---------
 views_api.py      |  2 +-
 2 files changed, 29 insertions(+), 10 deletions(-)

diff --git a/static/js/tpos.js b/static/js/tpos.js
index 8ade174..b92b903 100644
--- a/static/js/tpos.js
+++ b/static/js/tpos.js
@@ -100,7 +100,8 @@ const tposJS = async () => {
         searchTerm: '',
         categoryFilter: '',
         cart: new Map(),
-        denomIsSats: tpos.currency == 'sats'
+        denomIsSats: tpos.currency == 'sats',
+        customMemo: ''
       }
     },
     computed: {
@@ -408,14 +409,28 @@ const tposJS = async () => {
           })
           return
         }
-
-        if (this.tip_options && this.tip_options.length) {
-          this.rounding = false
-          this.tipRounding = null
-          this.showTipModal()
-        } else {
-          this.showInvoice()
-        }
+        this.$q
+          .dialog({
+            title: 'Prompt',
+            message: 'Add a memo to the invoice?',
+            prompt: {
+              model: '',
+              isValid: val => val.length > 2,
+              type: 'text'
+            },
+            cancel: true,
+            persistent: false
+          })
+          .onDismiss(data => {
+            this.customMemo = data.trim()
+            if (this.tip_options && this.tip_options.length) {
+              this.rounding = false
+              this.tipRounding = null
+              this.showTipModal()
+            } else {
+              this.showInvoice()
+            }
+          })
       },
       showTipModal: function () {
         if (!this.atmMode) {
@@ -436,6 +451,10 @@ const tposJS = async () => {
             memo: this.amountFormatted,
             tipAmount: this.tipAmountSat
           }
+
+          if (this.customMemo && this.customMemo.length > 2) {
+            params.memo = this.customMemo
+          }
           if (this.cart.size) {
             let details = [...this.cart.values()].map(item => {
               return {
diff --git a/views_api.py b/views_api.py
index 7102960..106529e 100644
--- a/views_api.py
+++ b/views_api.py
@@ -120,7 +120,7 @@ async def api_tpos_create_invoice(
         payment_hash, payment_request = await create_invoice(
             wallet_id=tpos.wallet,
             amount=amount,
-            memo=f"{memo} to {tpos.name}" if memo else f"{tpos.name}",
+            memo=f"{memo} - ({tpos.name})" if memo else f"{tpos.name}",
             extra={
                 "tag": "tpos",
                 "tipAmount": tip_amount,