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field-parser.ts
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field-parser.ts
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import { Inject, InjectionToken } from '@angular/core';
import uniqueId from 'lodash/uniqueId';
import {
DynamicFormControlLayout,
DynamicFormControlRelation,
MATCH_VISIBLE,
OR_OPERATOR
} from '@ng-dynamic-forms/core';
import { hasValue, isEmpty, isNotEmpty, isNotNull, isNotUndefined } from '../../../empty.util';
import { FormFieldModel } from '../models/form-field.model';
import { FormFieldMetadataValueObject } from '../models/form-field-metadata-value.model';
import {
DynamicRowArrayModel,
DynamicRowArrayModelConfig
} from '../ds-dynamic-form-ui/models/ds-dynamic-row-array-model';
import { DsDynamicInputModel, DsDynamicInputModelConfig } from '../ds-dynamic-form-ui/models/ds-dynamic-input.model';
import { setLayout } from './parser.utils';
import { ParserOptions } from './parser-options';
import { RelationshipOptions } from '../models/relationship-options.model';
import { VocabularyOptions } from '../../../../core/submission/vocabularies/models/vocabulary-options.model';
import { ParserType } from './parser-type';
import { isNgbDateStruct } from '../../../date.util';
import { SubmissionVisibility } from '../../../../submission/utils/visibility.util';
import { SubmissionVisibilityType } from '../../../../core/config/models/config-submission-section.model';
export const SUBMISSION_ID: InjectionToken<string> = new InjectionToken<string>('submissionId');
export const CONFIG_DATA: InjectionToken<FormFieldModel> = new InjectionToken<FormFieldModel>('configData');
export const INIT_FORM_VALUES: InjectionToken<any> = new InjectionToken<any>('initFormValues');
export const PARSER_OPTIONS: InjectionToken<ParserOptions> = new InjectionToken<ParserOptions>('parserOptions');
/**
* This pattern checks that a regex field uses the common ECMAScript format: `/{pattern}/{flags}`, in which the flags
* are part of the regex, or a simpler one with only pattern `/{pattern}/` or `{pattern}`.
* The regex itself is encapsulated inside a `RegExp` object, that will validate the pattern syntax.
*/
export const REGEX_FIELD_VALIDATOR = new RegExp('(\\/?)(.+)\\1([gimsuy]*)', 'i');
export const SECURITY_CONFIG: InjectionToken<any> = new InjectionToken<any>('securityConfig');
export abstract class FieldParser {
protected fieldId: string;
/**
* This is the field to use for type binding
* @protected
*/
protected typeField: string;
constructor(
@Inject(SUBMISSION_ID) protected submissionId: string,
@Inject(CONFIG_DATA) protected configData: FormFieldModel,
@Inject(INIT_FORM_VALUES) protected initFormValues: any,
@Inject(PARSER_OPTIONS) protected parserOptions: ParserOptions,
@Inject(SECURITY_CONFIG) protected securityConfig: any = null
) {
}
public abstract modelFactory(fieldValue?: FormFieldMetadataValueObject, label?: boolean): any;
public parse() {
if (((this.getInitValueCount() > 1 && !this.configData.repeatable) || (this.configData.repeatable))
&& (this.configData.input.type !== ParserType.List)
&& (this.configData.input.type !== ParserType.Tag)
&& (this.configData.input.type !== ParserType.RelationGroup)
&& (this.configData.input.type !== ParserType.InlineGroup)
) {
let arrayCounter = 0;
let fieldArrayCounter = 0;
let metadataKey;
if (Array.isArray(this.configData.selectableMetadata) && this.configData.selectableMetadata.length === 1) {
metadataKey = this.configData.selectableMetadata[0].metadata;
}
let isDraggable = true;
if (this.configData.input.type === ParserType.Onebox && this.configData?.selectableMetadata?.length > 1) {
isDraggable = false;
}
const config = {
id: uniqueId() + '_array',
label: this.configData.label,
initialCount: this.getInitArrayIndex(),
notRepeatable: !this.configData.repeatable,
relationshipConfig: this.configData.selectableRelationship,
required: JSON.parse(this.configData.mandatory),
submissionId: this.submissionId,
metadataKey,
metadataFields: this.getAllFieldIds(),
hasSelectableMetadata: isNotEmpty(this.configData.selectableMetadata),
isDraggable,
typeBindRelations: isNotEmpty(this.configData.typeBind) ? this.getTypeBindRelations(this.configData.typeBind,
this.parserOptions.typeField) : null,
groupFactory: () => {
let model;
if ((arrayCounter === 0)) {
model = this.modelFactory();
arrayCounter++;
} else {
const fieldArrayOfValueLength = this.getInitValueCount(arrayCounter - 1);
let fieldValue = null;
if (fieldArrayOfValueLength > 0) {
fieldValue = this.getInitFieldValue(arrayCounter - 1, fieldArrayCounter++);
if (fieldArrayCounter === fieldArrayOfValueLength) {
fieldArrayCounter = 0;
arrayCounter++;
}
}
model = this.modelFactory(fieldValue, false);
if (!this.configData.repeatable) {
this.markAsNotRepeatable(model);
}
}
setLayout(model, 'element', 'host', 'col');
if (model.hasLanguages || isNotEmpty(model.relationship) || model.hasSecurityToggle) {
setLayout(model, 'grid', 'control', 'col');
}
return [model];
}
} as DynamicRowArrayModelConfig;
const layout: DynamicFormControlLayout = {
grid: {
group: 'form-row'
}
};
return new DynamicRowArrayModel(config, layout);
} else {
const model = this.modelFactory(this.getInitFieldValue());
model.submissionId = this.submissionId;
if (model.hasLanguages || isNotEmpty(model.relationship) || model.hasSecurityToggle) {
setLayout(model, 'grid', 'control', 'col');
}
return model;
}
}
public setVocabularyOptions(controlModel, scope) {
if (isNotEmpty(this.configData.selectableMetadata) && isNotEmpty(this.configData.selectableMetadata[0].controlledVocabulary)) {
controlModel.vocabularyOptions = new VocabularyOptions(
this.configData.selectableMetadata[0].controlledVocabulary,
this.configData.selectableMetadata[0].metadata,
scope,
this.configData.selectableMetadata[0].closed
);
}
}
public setValues(modelConfig: DsDynamicInputModelConfig, fieldValue: any, forceValueAsObj: boolean = false, groupModel?: boolean) {
if (isNotEmpty(fieldValue)) {
if (groupModel) {
// Array, values is an array
modelConfig.value = this.getInitGroupValues();
if (Array.isArray(modelConfig.value) && modelConfig.value.length > 0 && modelConfig.value[0].language) {
// Array Item has language, ex. AuthorityModel
modelConfig.language = modelConfig.value[0].language;
}
return;
}
if (isNgbDateStruct(fieldValue)) {
modelConfig.value = fieldValue;
} else if (typeof fieldValue === 'object') {
modelConfig.metadataValue = fieldValue;
// set security level if exists
if (isNotUndefined(fieldValue.securityLevel)) {
modelConfig.securityLevel = fieldValue.securityLevel;
}
modelConfig.language = fieldValue.language;
modelConfig.place = fieldValue.place;
if (forceValueAsObj) {
modelConfig.value = fieldValue;
} else {
modelConfig.value = fieldValue.value;
}
} else {
if (forceValueAsObj) {
// If value isn't an instance of FormFieldMetadataValueObject instantiate it
modelConfig.value = new FormFieldMetadataValueObject(fieldValue);
} else {
if (typeof fieldValue === 'string') {
// Case only string
modelConfig.value = fieldValue;
}
}
}
}
this.initSecurityValue(modelConfig);
return modelConfig;
}
public initSecurityValue(modelConfig: any) {
// preselect most restricted security level if is not yet selected
// or if the current security level is not available in the current configuration
if ((isEmpty(modelConfig.securityLevel) && isNotEmpty(modelConfig.securityConfigLevel)) ||
(isNotEmpty(modelConfig.securityLevel) && isNotEmpty(modelConfig.securityConfigLevel) && !modelConfig.securityConfigLevel.includes(modelConfig.securityLevel) )) {
modelConfig.securityLevel = modelConfig.securityConfigLevel[modelConfig.securityConfigLevel.length - 1];
}
}
protected getInitValueCount(index = 0, fieldId?): number {
const fieldIds = fieldId || this.getAllFieldIds();
if (isNotEmpty(this.initFormValues) && isNotNull(fieldIds) && fieldIds.length === 1 && this.initFormValues.hasOwnProperty(fieldIds[0])) {
return this.initFormValues[fieldIds[0]].length;
} else if (isNotEmpty(this.initFormValues) && isNotNull(fieldIds) && fieldIds.length > 1) {
const values = [];
fieldIds.forEach((id) => {
if (this.initFormValues.hasOwnProperty(id)) {
values.push(this.initFormValues[id].length);
}
});
return values[index];
} else {
return 0;
}
}
protected getInitGroupValues(): FormFieldMetadataValueObject[] {
const fieldIds = this.getAllFieldIds();
if (isNotEmpty(this.initFormValues) && isNotNull(fieldIds) && fieldIds.length === 1 && this.initFormValues.hasOwnProperty(fieldIds[0])) {
return this.initFormValues[fieldIds[0]];
}
}
protected getInitFieldValues(fieldId): FormFieldMetadataValueObject[] {
if (isNotEmpty(this.initFormValues) && isNotNull(fieldId) && this.initFormValues.hasOwnProperty(fieldId)) {
return this.initFormValues[fieldId];
}
}
protected getInitFieldValue(outerIndex = 0, innerIndex = 0, fieldId?): FormFieldMetadataValueObject {
const fieldIds = fieldId || this.getAllFieldIds();
if (isNotEmpty(this.initFormValues)
&& isNotNull(fieldIds)
&& fieldIds.length === 1
&& this.initFormValues.hasOwnProperty(fieldIds[outerIndex])
&& this.initFormValues[fieldIds[outerIndex]].length > innerIndex) {
return this.initFormValues[fieldIds[outerIndex]][innerIndex];
} else if (isNotEmpty(this.initFormValues) && isNotNull(fieldIds) && fieldIds.length > 1) {
const values: FormFieldMetadataValueObject[] = [];
fieldIds.forEach((id) => {
if (this.initFormValues.hasOwnProperty(id)) {
const valueObj: FormFieldMetadataValueObject = Object.assign(new FormFieldMetadataValueObject(), this.initFormValues[id][innerIndex]);
// Set metadata name, used for Qualdrop fields
valueObj.metadata = id;
values.push(valueObj);
}
});
return values[outerIndex];
} else {
return null;
}
}
protected getInitArrayIndex() {
const fieldIds: any = this.getAllFieldIds();
if (isNotEmpty(this.initFormValues) && isNotNull(fieldIds) && fieldIds.length === 1 && this.initFormValues.hasOwnProperty(fieldIds)) {
return this.initFormValues[fieldIds].length;
} else if (isNotEmpty(this.initFormValues) && isNotNull(fieldIds) && fieldIds.length > 1) {
let counter = 0;
fieldIds.forEach((id) => {
if (this.initFormValues.hasOwnProperty(id)) {
counter = counter + this.initFormValues[id].length;
}
});
return (counter === 0) ? 1 : counter;
} else {
return 1;
}
}
protected getFieldId(): string {
const ids = this.getAllFieldIds();
return isNotNull(ids) ? ids[0] : null;
}
protected getAllFieldIds(): string[] {
if (Array.isArray(this.configData.selectableMetadata)) {
if (this.configData.selectableMetadata.length === 1) {
return [this.configData.selectableMetadata[0].metadata];
} else {
const ids = [];
this.configData.selectableMetadata.forEach((entry) => ids.push(entry.metadata));
return ids;
}
} else {
return ['relation.' + this.configData.selectableRelationship.relationshipType];
}
}
protected initModel(id?: string, label = true, labelEmpty = false, setErrors = true, hint = true) {
const controlModel = Object.create(null);
// Sets input ID
this.fieldId = id ? id : this.getFieldId();
// Sets input name (with the original field's id value)
controlModel.name = this.fieldId;
// input ID doesn't allow dots, so replace them
controlModel.id = (this.fieldId).replace(/\./g, '_');
// Set read only option
controlModel.readOnly = this.parserOptions.readOnly
|| this.isFieldReadOnly(this.configData.visibility, this.parserOptions.submissionScope);
controlModel.disabled = this.parserOptions.readOnly;
controlModel.isModelOfInnerForm = this.parserOptions.isInnerForm;
if (hasValue(this.configData.selectableRelationship)) {
controlModel.relationship = Object.assign(new RelationshipOptions(), this.configData.selectableRelationship);
}
controlModel.repeatable = this.configData.repeatable;
controlModel.metadataFields = this.getAllFieldIds() || [];
controlModel.hasSelectableMetadata = isNotEmpty(this.configData.selectableMetadata);
controlModel.submissionId = this.submissionId;
// Set label
this.setLabel(controlModel, label);
if (hint) {
controlModel.hint = this.configData.hints || ' ';
}
controlModel.placeholder = this.configData.label;
if (this.configData.mandatory && setErrors) {
this.markAsRequired(controlModel);
}
if (this.hasRegex()) {
this.addPatternValidator(controlModel);
}
// Available Languages
if (this.configData.languageCodes && this.configData.languageCodes.length > 0) {
(controlModel as DsDynamicInputModel).languageCodes = this.configData.languageCodes;
}
// If typeBind is configured
if (isNotEmpty(this.configData.typeBind)) {
(controlModel as DsDynamicInputModel).typeBindRelations = this.getTypeBindRelations(this.configData.typeBind,
this.parserOptions.typeField);
}
controlModel.securityConfigLevel = this.mapBetweenMetadataRowAndSecurityMetadataLevels(this.getFieldId());
return controlModel;
}
/**
* Check if a field is read-only with the given scope
* @param visibility
* @param submissionScope
*/
private isFieldReadOnly(visibility: SubmissionVisibilityType, submissionScope) {
return isNotEmpty(submissionScope) && SubmissionVisibility.isReadOnly(visibility, submissionScope);
}
/**
* Get the type bind values from the REST data for a specific field
* The return value is any[] in the method signature but in reality it's
* returning the 'relation' that'll be used for a dynamic matcher when filtering
* fields in type bind, made up of a 'match' outcome (make this field visible), an 'operator'
* (OR) and a 'when' condition (the bindValues array).
* @param configuredTypeBindValues array of types from the submission definition (CONFIG_DATA)
* @param typeField
* @private
* @return DynamicFormControlRelation[] array with one relation in it, for type bind matching to show a field
*/
private getTypeBindRelations(configuredTypeBindValues: string[], typeField: string): DynamicFormControlRelation[] {
const bindValues = [];
configuredTypeBindValues.forEach((value) => {
bindValues.push({
id: typeField,
value: value
});
});
// match: MATCH_VISIBLE means that if true, the field / component will be visible
// operator: OR means that all the values in the 'when' condition will be compared with OR, not AND
// when: the list of values to match against, in this case the list of strings from <type-bind>...</type-bind>
// Example: Field [x] will be VISIBLE if item type = book OR item type = book_part
//
// The opposing match value will be the dc.type for the workspace item
return [{
match: MATCH_VISIBLE,
operator: OR_OPERATOR,
when: bindValues
}];
}
protected hasRegex() {
return hasValue(this.configData.input.regex);
}
/**
* Adds pattern validation to `controlModel`, it uses the encapsulated `configData` to test the regex,
* contained in the input config, against the common `ECMAScript` standard validator {@link REGEX_FIELD_VALIDATOR},
* and creates an equivalent `RegExp` object that will be used during form-validation against the user-input.
* @param controlModel
* @protected
*/
protected addPatternValidator(controlModel) {
const validatorMatcher = this.configData.input.regex.match(REGEX_FIELD_VALIDATOR);
let regex;
if (validatorMatcher != null && validatorMatcher.length > 3) {
regex = new RegExp(validatorMatcher[2], validatorMatcher[3]);
} else {
regex = new RegExp(this.configData.input.regex);
}
controlModel.validators = Object.assign({}, controlModel.validators, { pattern: regex });
controlModel.errorMessages = Object.assign(
{},
controlModel.errorMessages,
{ pattern: 'error.validation.pattern' });
}
protected markAsRequired(controlModel) {
controlModel.required = true;
controlModel.validators = Object.assign({}, controlModel.validators, { required: null });
controlModel.errorMessages = Object.assign(
{},
controlModel.errorMessages,
{ required: this.configData.mandatoryMessage });
}
protected markAsNotRepeatable(controlModel) {
controlModel.isModelOfNotRepeatableGroup = true;
controlModel.errorMessages = Object.assign(
{},
controlModel.errorMessages,
{ notRepeatable: 'error.validation.notRepeatable' });
}
protected setLabel(controlModel, label = true, labelEmpty = false) {
if (label) {
controlModel.label = (labelEmpty) ? ' ' : this.configData.label;
}
}
protected setOptions(controlModel) {
// Checks if field has multiple values and sets options available
if (isNotUndefined(this.configData.selectableMetadata) && this.configData.selectableMetadata.length > 1) {
controlModel.options = [];
this.configData.selectableMetadata.forEach((option, key) => {
if (key === 0) {
controlModel.value = option.metadata;
}
controlModel.options.push({ label: option.label, value: option.metadata });
});
}
}
mapBetweenMetadataRowAndSecurityMetadataLevels( metadata: string): any {
// look to find security for metadata
if (this.securityConfig && metadata) {
if (this.securityConfig.metadataCustomSecurity) {
const metadataConfig = (this.securityConfig.metadataCustomSecurity as any)[metadata];
if (metadataConfig) {
return metadataConfig;
} else {
// if not found look at fallback level config
if (this.securityConfig.metadataSecurityDefault !== undefined) {
return this.securityConfig.metadataSecurityDefault;
} else {
// else undefined in order to manage differently from null value
return undefined;
}
}
}
}
}
}