lp-1013 - capital contribution validation

- add function validator
- add tests

Author: lduranteau

locales/cy/errors.json

@@ -0,0 +1,12 @@
+{
+    "errorMessages": {
+        "capitalContribution": {
+            "twoDecimalPlaces": "WELSH - Value must be a number with 2 decimal places",
+            "moreThanZero": "WELSH - Value must be 0.01 or more",
+            "noSymbols": "WELSH - Value must not include currency symbols like £, $ and €",
+            "noComma": "WELSH - Value must not include a comma",
+            "atLeastOneType": "WELSH - Select at least one type of contribution",
+            "currencyRequired": "WELSH - Select the currency of the capital contribution"
+        }
+    }
+}

locales/en/errors.json

@@ -0,0 +1,12 @@
+{
+    "errorMessages": {
+        "capitalContribution": {
+            "twoDecimalPlaces": "Value must be a number with 2 decimal places",
+            "moreThanZero": "Value must be 0.01 or more",
+            "noSymbols": "Value must not include currency symbols like £, $ and €",
+            "noComma": "Value must not include a comma",
+            "atLeastOneType": "Select at least one type of contribution",
+            "currencyRequired": "Select the currency of the capital contribution"
+        }
+    }
+}

src/application/service/utils/capitalContributionValidation.ts

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+import UIErrors from "../../../domain/entities/UIErrors";
+import { symbols } from "./currencies";
+
+const capitalContributionValidation = (
+  data: {
+    contribution_currency_type: string;
+    contribution_currency_value: string;
+    contribution_sub_types: string[];
+  },
+  i18n: any
+): void => {
+  const uiErrors = new UIErrors();
+
+  contributionCurrencyValueValidation(data, uiErrors, i18n);
+
+  if (!data.contribution_sub_types.length) {
+    uiErrors.formatValidationErrorToUiErrors({
+      errors: {
+        contribution_sub_types: i18n?.errorMessages?.capitalContribution?.atLeastOneType
+      }
+    });
+  }
+
+  if (!data.contribution_currency_type) {
+    uiErrors.formatValidationErrorToUiErrors({
+      errors: {
+        contribution_currency_type: i18n?.errorMessages?.capitalContribution?.currencyRequired
+      }
+    });
+  }
+
+  if (uiErrors.hasErrors()) {
+    throw uiErrors;
+  }
+};
+
+const contributionCurrencyValueValidation = (
+  data: { contribution_currency_type: string; contribution_currency_value: string; contribution_sub_types: string[] },
+  uiErrors: UIErrors,
+  i18n: any
+) => {
+  if (hasSymbol(data.contribution_currency_value, symbols)) {
+    uiErrors.formatValidationErrorToUiErrors({
+      errors: {
+        contribution_currency_value: i18n?.errorMessages?.capitalContribution?.noSymbols
+      }
+    });
+  } else if (hasComma(data.contribution_currency_value)) {
+    uiErrors.formatValidationErrorToUiErrors({
+      errors: {
+        contribution_currency_value: i18n?.errorMessages?.capitalContribution?.noComma
+      }
+    });
+  } else if (!isNumber(data.contribution_currency_value) || !has2Decimal(data.contribution_currency_value)) {
+    uiErrors.formatValidationErrorToUiErrors({
+      errors: {
+        contribution_currency_value: i18n?.errorMessages?.capitalContribution?.twoDecimalPlaces
+      }
+    });
+  } else if (!isGreaterThanZero(data.contribution_currency_value)) {
+    uiErrors.formatValidationErrorToUiErrors({
+      errors: {
+        contribution_currency_value: i18n?.errorMessages?.capitalContribution?.moreThanZero
+      }
+    });
+  }
+};
+
+const isNumber = (value: string) => {
+  return !isNaN(Number(value));
+};
+
+const has2Decimal = (value: string) => {
+  return value.split(".")[1]?.length === 2;
+};
+
+const isGreaterThanZero = (value: string) => {
+  return parseFloat(value) > 0;
+};
+
+const hasSymbol = (str: string, symbols: string[]): boolean => {
+  return symbols.some((symbol) => str.includes(symbol));
+};
+
+const hasComma = (str: string): boolean => {
+  return str.includes(",");
+};
+
+export { capitalContributionValidation };