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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 => {
return typeof value === 'string'
? value.replace(/\s+/g, '') !== ''
: value !== '';
},
requiredChooseOption: 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) => {
return value === undefined ? true : value <= maxValue;
},
minimum: (value, minValue) => {
return value === undefined ? true : value >= minValue;
},
maximumExclusive: (value, maxValue) => {
return value === undefined ? true : value < maxValue;
},
minimumExclusive: (value, minValue) => {
return value === undefined ? true : 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),
alphanumericWithUnderscores: value =>
ValidatorJS.isAlphanumeric(value.replace(/_/g, '')),
requiredChoiceWithOther: (value, otherValue) => {
let chosen = value.choice;
// if we have an empty multiple select we have a problem since it's required
let validationFunc = this.globalValidationFunctions['required'];
if (value.choices) {
if (value.choices.length === 0) {
return false;
} else {
// continuing validation with the first chosen value in case we have the 'Other' field
chosen = value.choices[0];
}
}
if (chosen !== otherValue) {
return validationFunc(chosen, true);
} else {
// when 'Other' was chosen, validate other value
return validationFunc(value.other, true);
}
}
};
}
static get globalValidationMessagingFunctions() {
return {
required: () => i18n('Field is required'),
requiredChooseOption: () =>
i18n('Field should have one of these options'),
requiredChoiceWithOther: () => 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: minLength
}
),
pattern: (value, pattern) =>
i18n('Field value should match the pattern: {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: 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: 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.'),
alphanumericWithUnderscores: () =>
i18n('Field value should contain letters, digits or _ only.')
};
}
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 }) {
itemName = itemName.toLowerCase();
return list[itemName] && list[itemName] !== itemId;
}
}
export default Validator;
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