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Copy pathValidationsFactory.js
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412 lines (389 loc) · 13.5 KB
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import { validators } from './mixins/ValidationRules';
import DataProvider from './DataProvider';
import { get, set, merge } from 'lodash';
import { Parser } from 'expr-eval';
let globalObject = typeof window === 'undefined'
? global
: window;
let pagesValidated = [];
class Validations {
screen = null;
firstPage = 0;
data = {};
insideLoop = false;
constructor(element, options) {
this.element = element;
Object.assign(this, options);
}
/**
* Add a Vuelidate rule for the element.
* Ex.
* {
* form_input_1: {
* required,
* minLength: minLength(6)
* }
* }
*/
async addValidations(validations) {
throw 'Abstract method addValidations not implemented', validations;
}
/**
* Check if element/container is visible.
*/
isVisible() {
// Disable validations if field is hidden
const visibleInDevice =
this.element.visibleInDevice === null || this.element.visibleInDevice === undefined
? true
: this.element.visibleInDevice;
if (!visibleInDevice) {
return false;
}
let visible = true;
if (this.element.config.conditionalHide) {
try {
visible = !!Parser.evaluate(this.element.config.conditionalHide, this.data);
} catch (error) {
visible = false;
}
}
return visible;
}
}
/**
* Add validations for a group of fields
*/
class ArrayOfFieldsValidations extends Validations {
async addValidations(validations) {
for (const item of this.element) {
await ValidationsFactory(item, { screen: this.screen, data: this.data, parentVisibilityRule: this.parentVisibilityRule, insideLoop: this.insideLoop }).addValidations(validations);
}
}
}
/**
* Add validations for a screen definition
*/
class ScreenValidations extends Validations {
async addValidations(validations) {
// add validations for page 1
if (this.element.config[this.firstPage]) {
pagesValidated = [this.firstPage];
const screenValidations = ValidationsFactory(this.element.config[this.firstPage].items, { screen: this.element, data: this.data });
await screenValidations.addValidations(validations);
pagesValidated = [];
}
}
}
/**
* Add validations for a nested screen
*/
class FormNestedScreenValidations extends Validations {
async addValidations(validations) {
// Disable validations if field is hidden
if (!this.isVisible()) {
return;
}
const nestedScreen = await this.loadNestedScreen(this.element.config.screen);
if (nestedScreen && nestedScreen.config) {
const definition = nestedScreen.config;
let parentVisibilityRule = this.parentVisibilityRule ? this.parentVisibilityRule : this.element.config.conditionalHide;
if (definition && definition[0] && definition[0].items) {
await ValidationsFactory(definition[0].items, { screen: nestedScreen, data: this.data, parentVisibilityRule }).addValidations(validations);
}
}
}
async loadNestedScreen(id) {
if (!id) {
return null;
}
if (!globalObject['nestedScreens']) {
globalObject['nestedScreens'] = {};
}
if (globalObject.nestedScreens['id_' + id]) {
return {config: globalObject.nestedScreens['id_' + id]};
}
const response = await DataProvider.getScreen(id);
globalObject.nestedScreens['id_' + id] = response.data.config;
return {config: response.data};
}
async loadScreen(id) {
if (!id) {
return null;
}
if (!globalObject['nestedScreens']) {
globalObject['nestedScreens'] = {};
}
if (globalObject.nestedScreens['id_' + id]) {
return globalObject.nestedScreens['id_' + id];
}
const response = await DataProvider.getScreen(id);
globalObject.nestedScreens['id_' + id] = response.data.config;
return response.data.config;
}
}
/**
* Add validations for a loop
*/
class FormLoopValidations extends Validations {
async addValidations(validations) {
// Disable validations if field is hidden
if (!this.isVisible()) {
return;
}
set(validations, this.element.config.name, {});
const loopField = get(validations, this.element.config.name);
loopField['$each'] = {};
this.checkForSiblings(validations);
const firstRow = (get(this.data, this.element.config.name) || [{}])[0];
await ValidationsFactory(this.element.items, { screen: this.screen, data: {_parent: this.data, ...firstRow }, parentVisibilityRule: this.element.config.conditionalHide, insideLoop: true }).addValidations(loopField['$each']);
}
checkForSiblings(validations) {
const siblings = [];
const siblingValidations = [];
// Find loops that reference the same variable
this.screen.config.forEach(page => {
if (!page || !page.items) {
return;
}
page.items.filter(item => {
if (item.component === 'FormLoop' && item.config.name === this.element.config.name) {
siblings.push(item);
}
});
// Get siblings validations
if (siblings) {
siblings.forEach(sibling => {
sibling.items.filter(item => {
if (!item.config.validation) {
return;
}
item.config.validation.forEach(validation => {
const rule = this.camelCase(validation.value.split(':')[0]);
const validationFn = validators[rule];
const obj = {};
let ruleObj = {};
ruleObj[rule] = validationFn;
obj[item.config.name] = ruleObj;
merge(siblingValidations, obj);
});
});
});
}
});
if (Object.keys(siblingValidations).length != 0) {
// Update the loop validations with its siblings.
const loopValidations = get(validations, this.element.config.name);
if (loopValidations.hasOwnProperty('$each')) {
merge(loopValidations['$each'], siblingValidations);
}
set(validations[this.element.config.name]['$each'], loopValidations);
}
}
camelCase(name) {
return name.replace(/_\w/g, m => m.substr(1, 1).toUpperCase());
}
}
/**
* Add validations for a multicolumn
*/
class FormMultiColumnValidations extends Validations {
async addValidations(validations) {
// Disable validations if field is hidden
if (!this.isVisible()) {
return;
}
await ValidationsFactory(this.element.items, { screen: this.screen, data: this.data, parentVisibilityRule: this.element.config.conditionalHide }).addValidations(validations);
}
}
/**
* Add validations of a page accessed by a navigation button
*/
class PageNavigateValidations extends Validations {
async addValidations(validations) {
// Disable validations if field is hidden
if (!this.isVisible()) {
return;
}
const screenNumber = this.element.config.eventData;
let screenName = 'Empty Screen';
if (this.screen.config[screenNumber] && this.screen.config[screenNumber].name) {
screenName = this.screen.config[screenNumber].name;
}
const screenPageId = `${screenName}-${screenNumber}`;
if (pagesValidated.length > 0 && !pagesValidated.includes(screenPageId)) {
if (this.screen.config[screenNumber] && this.screen.config[screenNumber].items) {
pagesValidated.push(screenPageId);
await ValidationsFactory(this.screen.config[this.element.config.eventData].items, { screen: this.screen, data: this.data }).addValidations(validations);
}
}
}
}
/**
* Add validations for a form element
*/
class FormElementValidations extends Validations {
async addValidations(validations) {
// Disable validations if field is hidden
if (!this.isVisible()) {
return;
}
if (this.element.config && this.element.config.readonly) {
//readonly elements do not need validation
return;
}
if (this.element.config && this.element.config.disabled) {
//disabled elements do not need validation
return;
}
if (!(this.element.config && this.element.config.name && typeof this.element.config.name === 'string' && this.element.config.name.match(/^[a-zA-Z_][0-9a-zA-Z_.]*$/))) {
//element invalid
return;
}
const fieldName = this.element.config.name;
const validationConfig = this.element.config.validation;
const conditionalHide = this.element.config.conditionalHide;
const parentVisibilityRule = this.parentVisibilityRule;
const insideLoop = this.insideLoop || false;
const deviceConfig = this.element.config.deviceVisibility
? this.element.config.deviceVisibility
: { showForDesktop: true, showForMobile: true };
set(validations, fieldName, get(validations, fieldName, {}));
const fieldValidation = get(validations, fieldName);
if (validationConfig instanceof Array) {
validationConfig.forEach((validation) => {
const rule = this.camelCase(validation.value.split(':')[0]);
if (!rule) {
return;
}
let validationFn = validators[rule];
if (!validationFn) {
// eslint-disable-next-line no-console
return;
}
if (validation.configs instanceof Array) {
const params = [];
validation.configs.forEach((cnf) => {
params.push(cnf.value);
});
params.push(fieldName);
validationFn = validationFn(...params);
}
fieldValidation[rule] = function(...props) {
const data = props[1];
const level = fieldName.split('.').length - 1;
const dataWithParent = this.getDataAccordingToFieldLevel(this.getRootScreen().addReferenceToParents(data), level);
if (parentVisibilityRule) {
const nextParentLevel = insideLoop ? 1 : 0;
const parentDataWithParent = this.getDataAccordingToFieldLevel(this.getRootScreen().addReferenceToParents(data), level + nextParentLevel);
let isParentVisible = true;
try {
isParentVisible = !!Parser.evaluate(parentVisibilityRule, parentDataWithParent);
} catch (error) {
isParentVisible = false;
}
if (!isParentVisible ) {
return true;
}
}
// Check Device Visibility
let visibleInDevice = true;
try {
const isMobileScreen = this.$root.$children[0].$refs.renderer.definition.isMobile;
visibleInDevice =
(isMobileScreen && deviceConfig.showForMobile) ||
(!isMobileScreen && deviceConfig.showForDesktop);
} catch (error) {
visibleInDevice = true;
}
if (!visibleInDevice) {
return true;
}
// Check Field Visibility
let visible = true;
if (conditionalHide) {
try {
visible = !!Parser.evaluate(conditionalHide, dataWithParent);
} catch (error) {
visible = false;
}
}
if (!visible) {
return true;
}
return validationFn.apply(this,props);
};
});
} else if (typeof validationConfig === 'string' && validationConfig) {
let validationFn = validators[validationConfig];
if (!validationFn) {
// eslint-disable-next-line no-console
return;
}
fieldValidation[validationConfig] = function(...props) {
const data = props[1];
const level = fieldName.split('.').length - 1;
const dataWithParent = this.getDataAccordingToFieldLevel(this.getRootScreen().addReferenceToParents(data), level);
// Check Parent Visibility
if (parentVisibilityRule) {
const nextParentLevel = insideLoop ? 1 : 0;
const parentDataWithParent = this.getDataAccordingToFieldLevel(this.getRootScreen().addReferenceToParents(data), level + nextParentLevel);
let isParentVisible = true;
try {
isParentVisible = !!Parser.evaluate(parentVisibilityRule, parentDataWithParent);
} catch (error) {
isParentVisible = false;
}
if (!isParentVisible) {
return true;
}
}
// Check Field Visibility
let visible = true;
if (conditionalHide) {
try {
visible = !!Parser.evaluate(conditionalHide, dataWithParent);
} catch (error) {
visible = false;
}
}
if (!visible) {
return true;
}
return validationFn.apply(this,props);
};
}
if (this.element.items) {
ValidationsFactory(this.element.items, { screen: this.screen, data: this.data }).addValidations(validations);
}
}
camelCase(name) {
return name.replace(/_\w/g, m => m.substr(1, 1).toUpperCase());
}
}
function ValidationsFactory(element, options) {
if (element instanceof Array) {
return new ArrayOfFieldsValidations(element, options);
}
if (element.config instanceof Array) {
return new ScreenValidations(element, options);
}
if (element.component === 'FormNestedScreen') {
return new FormNestedScreenValidations(element, options);
}
if (element.component === 'FormMultiColumn') {
return new FormMultiColumnValidations(element, options);
}
if (element.component === 'FormLoop') {
return new FormLoopValidations(element, options);
}
if (element.component === 'FormRecordList') {
//not required
//return new FormRecordListValidations(element, screen);
}
if (element.component === 'FormButton' && element.config.event === 'pageNavigate') {
return new PageNavigateValidations(element, options);
}
return new FormElementValidations(element, options);
}
export default ValidationsFactory;
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