fix: expire loyalty program on maximum usage

models/baseModels/Invoice/Invoice.ts

@@ -30,6 +30,7 @@ import {
   getItemVisibility,
   validateLoyaltyProgram,
   getLoyaltyProgramTier,
+  isLoyaltyProgramMaxedOut,
 } from 'models/helpers';
 import { StockTransfer } from 'models/inventory/StockTransfer';
 import { validateBatch } from 'models/inventory/helpers';
@@ -1086,7 +1087,18 @@ export abstract class Invoice extends Transactional {
           ModelNameEnum.Party,
           this.party
         );
-        return partyDoc?.loyaltyProgram as string;
+        const loyaltyProgramName = partyDoc?.loyaltyProgram as string;
+
+        if (!loyaltyProgramName) {
+          return '';
+        }
+
+        const maxedOut = await isLoyaltyProgramMaxedOut(
+          this.fyo,
+          loyaltyProgramName
+        );
+
+        return maxedOut ? '' : loyaltyProgramName;
       },
       dependsOn: ['party', 'name'],
     },

models/helpers.ts

@@ -1654,6 +1654,37 @@ export async function validateLoyaltyProgram(
   }
 }
 
+export async function isLoyaltyProgramMaxedOut(
+  fyo: Fyo,
+  loyaltyProgramName: string
+): Promise<boolean> {
+  if (!loyaltyProgramName) {
+    return false;
+  }
+
+  const loyaltyProgram = await fyo.db.getAll(ModelNameEnum.LoyaltyProgram, {
+    fields: ['maximumUse', 'used', 'isEnabled'],
+    filters: { name: loyaltyProgramName },
+  });
+
+  if (!loyaltyProgram[0]) {
+    return false;
+  }
+
+  if (!loyaltyProgram[0]?.isEnabled) {
+    return true;
+  }
+
+  const maximumUse = loyaltyProgram[0]?.maximumUse as number;
+  const used = loyaltyProgram[0]?.used as number;
+
+  if (!maximumUse) {
+    return false;
+  }
+
+  return used >= maximumUse;
+}
+
 export function removeFreeItems(sinvDoc: SalesInvoice) {
   if (!sinvDoc || !sinvDoc.items) {
     return;

src/pages/POS/POS.vue

@@ -166,6 +166,7 @@ import {
   removeFreeItems,
   getItemRateFromPriceList,
   getItemVisibility,
+  isLoyaltyProgramMaxedOut,
 } from 'models/helpers';
 import {
   POSItem,
@@ -495,7 +496,21 @@ export default defineComponent({
         filters: { name: value },
       });
 
-      this.loyaltyProgram = party[0]?.loyaltyProgram as string;
+      const loyaltyProgramName = party[0]?.loyaltyProgram as string;
+
+      if (loyaltyProgramName) {
+        const isMaxedOut = await isLoyaltyProgramMaxedOut(
+          this.fyo,
+          loyaltyProgramName
+        );
+        if (isMaxedOut) {
+          this.loyaltyProgram = '';
+          this.loyaltyPoints = 0;
+          return;
+        }
+      }
+
+      this.loyaltyProgram = loyaltyProgramName;
       this.loyaltyPoints = party[0]?.loyaltyPoints as number;
     },
 
@@ -644,7 +659,8 @@ export default defineComponent({
           this.fyo.singles.AccountingSettings?.enablePriceList &&
           this.loyaltyPoints &&
           this.sinvDoc.party &&
-          this.sinvDoc.items?.length
+          this.sinvDoc.items?.length &&
+          this.loyaltyProgram
         ) {
           this.toggleModal('LoyaltyProgram', true);
         }

src/pages/POS/POSQuickActions.vue

@@ -76,7 +76,9 @@
   <div
     class="relative group"
     :class="{
-      hidden: !fyo.singles.AccountingSettings?.enableLoyaltyProgram,
+      hidden:
+        !fyo.singles.AccountingSettings?.enableLoyaltyProgram ||
+        !loyaltyProgram,
     }"
   >
     <div