feat: coupon codes validations and filters

models/baseModels/CouponCode/CouponCode.ts

@@ -1,5 +1,13 @@
+import { DocValue } from 'fyo/core/types';
 import { Doc } from 'fyo/model/doc';
-import { FormulaMap, ListViewSettings, ValidationMap } from 'fyo/model/types';
+import {
+  FiltersMap,
+  FormulaMap,
+  ListViewSettings,
+  ValidationMap,
+} from 'fyo/model/types';
+import { ValidationError } from 'fyo/utils/errors';
+import { t } from 'fyo';
 import { Money } from 'pesa';
 
 export class CouponCode extends Doc {
@@ -22,7 +30,66 @@ export class CouponCode extends Doc {
     },
   };
 
-  validations: ValidationMap = {};
+  validations: ValidationMap = {
+    minAmount: (value: DocValue) => {
+      if (!value || !this.maxAmount) {
+        return;
+      }
+
+      if ((value as Money).isZero() && this.maxAmount.isZero()) {
+        return;
+      }
+
+      if ((value as Money).gte(this.maxAmount)) {
+        throw new ValidationError(
+          t`Minimum Amount should be less than the Maximum Amount.`
+        );
+      }
+    },
+    maxAmount: (value: DocValue) => {
+      if (!this.minAmount || !value) {
+        return;
+      }
+
+      if (this.minAmount.isZero() && (value as Money).isZero()) {
+        return;
+      }
+
+      if ((value as Money).lte(this.minAmount)) {
+        throw new ValidationError(
+          t`Maximum Amount should be greater than the Minimum Amount.`
+        );
+      }
+    },
+    validFrom: (value: DocValue) => {
+      if (!value || !this.validTo) {
+        return;
+      }
+
+      if ((value as Date).toISOString() > this.validTo.toISOString()) {
+        throw new ValidationError(
+          t`Valid From Date should be less than Valid To Date.`
+        );
+      }
+    },
+    validTo: (value: DocValue) => {
+      if (!this.validFrom || !value) {
+        return;
+      }
+
+      if ((value as Date).toISOString() < this.validFrom.toISOString()) {
+        throw new ValidationError(
+          t`Valid To Date should be greater than Valid From Date.`
+        );
+      }
+    },
+  };
+
+  static filters: FiltersMap = {
+    pricingRule: () => ({
+      isCouponCodeBased: true,
+    }),
+  };
 
   static getListViewSettings(): ListViewSettings {
     return {