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+/*!
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+
+import * as ValidatorJS from 'validator';
+import i18n from 'nfvo-utils/i18n/i18n.js';
+
+class Validator {
+ static get globalValidationFunctions() {
+ return {
+ required: value => value !== '',
+ maxLength: (value, length) => ValidatorJS.isLength(value, {max: length}),
+ minLength: (value, length) => ValidatorJS.isLength(value, {min: length}),
+ pattern: (value, pattern) => ValidatorJS.matches(value, pattern),
+ numeric: value => {
+ if (value === '') {
+ // to allow empty value which is not zero
+ return true;
+ }
+ return ValidatorJS.isNumeric(value);
+ },
+ maximum: (value, maxValue) => value <= maxValue,
+ minimum: (value, minValue) => value >= minValue,
+ maximumExclusive: (value, maxValue) => value < maxValue,
+ minimumExclusive: (value, minValue) => value > minValue,
+ alphanumeric: value => ValidatorJS.isAlphanumeric(value),
+ alphanumericWithSpaces: value => ValidatorJS.isAlphanumeric(value.replace(/ /g, '')),
+ validateName: value => ValidatorJS.isAlphanumeric(value.replace(/\s|\.|\_|\-/g, ''), 'en-US'),
+ validateVendorName: value => ValidatorJS.isAlphanumeric(value.replace(/[\x7F-\xFF]|\s/g, ''), 'en-US'),
+ freeEnglishText: value => ValidatorJS.isAlphanumeric(value.replace(/\s|\.|\_|\-|\,|\(|\)|\?/g, ''), 'en-US'),
+ email: value => ValidatorJS.isEmail(value),
+ ip: value => ValidatorJS.isIP(value),
+ url: value => ValidatorJS.isURL(value)
+ };
+ }
+
+ static get globalValidationMessagingFunctions() {
+ return {
+ required: () => i18n('Field is required'),
+ maxLength: (value, maxLength) => i18n('Field value has exceeded it\'s limit, {maxLength}. current length: {length}', {
+ length: value.length,
+ maxLength
+ }),
+ minLength: (value, minLength) => i18n('Field value should contain at least {minLength} characters.', {minLength}),
+ pattern: (value, pattern) => i18n('Field value should match the pattern: {pattern}.', {pattern}),
+ numeric: () => i18n('Field value should contain numbers only.'),
+ maximum: (value, maxValue) => i18n('Field value should be less or equal to: {maxValue}.', {maxValue}),
+ minimum: (value, minValue) => i18n('Field value should be at least: {minValue}.', {minValue: minValue.toString()}),
+ maximumExclusive: (value, maxValue) => i18n('Field value should be less than: {maxValue}.', {maxValue}),
+ minimumExclusive: (value, minValue) => i18n('Field value should be more than: {minValue}.', {minValue: minValue.toString()}),
+ alphanumeric: () => i18n('Field value should contain letters or digits only.'),
+ alphanumericWithSpaces: () => i18n('Field value should contain letters, digits or spaces only.'),
+ validateName: ()=> i18n('Field value should contain English letters, digits , spaces, underscores, dashes and dots only.'),
+ validateVendorName: ()=> i18n('Field value should contain English letters digits and spaces only.'),
+ freeEnglishText: ()=> i18n('Field value should contain English letters, digits , spaces, underscores, dashes and dots only.'),
+ email: () => i18n('Field value should be a valid email address.'),
+ ip: () => i18n('Field value should be a valid ip address.'),
+ url: () => i18n('Field value should be a valid url address.'),
+ general: () => i18n('Field value is invalid.')
+ };
+ }
+
+ static validateItem(value, data, type) {
+ let validationFunc = this.globalValidationFunctions[type];
+ const isValid = validationFunc(value, data);
+ let errorText = '';
+ if (!isValid) {
+ errorText = this.globalValidationMessagingFunctions[type](value, data);
+ }
+ return {
+ isValid,
+ errorText
+ };
+ }
+
+ static validate(fieldName, value, validations, state, customValidations) {
+ let result = { isValid: true, errorText: '' };
+ for (let validation of validations) {
+ result = this.validateItem(value, validation.data, validation.type);
+ if (!result.isValid) {
+ return result;
+ }
+ }
+ if (customValidations) {
+ let validationFunc = customValidations[fieldName];
+ if (validationFunc) {
+ result = validationFunc(value, state);
+ }
+ }
+ return result;
+ }
+
+ static isItemNameAlreadyExistsInList({itemId, itemName, list}) {
+ return list[itemName] && list[itemName] !== itemId;
+ }
+}
+
+export default Validator;