connect-admin/app/pages/faq/questions.component.ts

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/**
* Created by stefania on 4/26/17.
*/
import { Component, ViewChild, OnInit } from '@angular/core';
import { FAQService } from "../../services/faq.service";
import { FormGroup } from "@angular/forms";
import { ModalFormComponent } from "../modal-form.component";
import { QuestionsFormComponent } from "./questions-form.component";
import { CheckQuestion, Question, QuestionFilterOptions } from "../../domain/question";
import { Topic } from "../../domain/topic";
import { DeleteConfirmationDialogComponent } from "../delete-confirmation-dialog.component";
@Component({
selector: 'questions',
templateUrl: './questions.component.html',
})
export class QuestionsComponent implements OnInit {
// @ViewChild(ModalFormComponent)
@ViewChild('saveModal')
public modal:ModalFormComponent;
@ViewChild('updateModal')
public updateModal:ModalFormComponent;
@ViewChild(QuestionsFormComponent)
public formComponent : QuestionsFormComponent;
@ViewChild('deleteConfirmationModal')
public deleteConfirmationModal : DeleteConfirmationDialogComponent;
public questionsCheckboxes : CheckQuestion[] = [];
public questions : Question[] = [];
public errorMessage: string = null;
public successMessage: string = null;
public formGroup : FormGroup;
public topics: Topic[];
public checkboxAll : boolean = false;
public filters : QuestionFilterOptions = {id : '', active : null, text : new RegExp('')};
public counter = {all : 0, active : 0, inactive : 0};
ngOnInit() {
this.getTopics();
this.getQuestions();
this.formGroup = this.formComponent.form;
}
constructor(private _faqService: FAQService) {}
getTopics() {
this._faqService.getTopics().subscribe(
topics => this.topics = topics,
error => this.errorMessage = <any>error);
}
public countQuestions() {
this.counter = {all : 0, active : 0, inactive : 0};
let filter = Object.assign({},this.filters);
filter.active = null;
this.questions.forEach(_ => {
if(this.filterQuestion(_,filter)){
if (_.isActive==true) this.counter.active++;
else this.counter.inactive++
}
});
this.counter.all = this.counter.active + this.counter.inactive;
}
getQuestions() {
let self = this;
this._faqService.getQuestions().subscribe(
questions => {
self.questions = questions;
self.counter.all = questions.length;
questions.forEach(_ => {
self.questionsCheckboxes.push(<CheckQuestion>{question : _, checked : false});
});
self.countQuestions();
},
error => this.errorMessage = <any>error);
}
public showModal():void {
this.modal.showModal();
}
public toggleCheckBoxes(event) {
this.questionsCheckboxes.forEach(_ => _.checked = event.target.checked);
this.checkboxAll = event.target.checked;
}
public applyCheck(flag : boolean) {
this.questionsCheckboxes.forEach(_ => _.checked = flag);
this.checkboxAll = false;
}
public getSelectedQuestions() : string[] {
return this.questionsCheckboxes.filter(question => question.checked == true)
.map(checkedQuestion => checkedQuestion.question).map(res => res._id);
}
public confirmDeleteQuestion(id : string) {
this.deleteConfirmationModal.ids = [id];
this.deleteConfirmationModal.showModal();
}
public confirmDeleteSelectedQuestions() {
this.deleteConfirmationModal.ids = this.getSelectedQuestions();
this.deleteConfirmationModal.showModal();
}
public confirmedDeleteQuestions(ids : string[]) {
this._faqService.deleteQuestions(ids).subscribe(
_ => this.deleteQuestionsFromArray(ids),
error => this.handleError(error)
);
}
private deleteQuestionsFromArray(ids : string[]) : void {
this.successMessage = `Successfully deleted Question(s)`;
for(let id of ids) {
let iqc = this.questionsCheckboxes.findIndex(_ => _.question._id == id);
let iq = this.questions.findIndex(_ => _._id == id);
this.questionsCheckboxes.splice(iqc, 1);
this.questions.splice(iqc, 1);
}
}
public editQuestion(i : number) {
let question : Question = Object.assign({}, this.questionsCheckboxes[i].question);
// question.topics = <Topic[]>Object.create(this.questionsCheckboxes[i].question.topics);
let topics : string[] = [];
for(let topic of <Topic[]>question.topics) {
topics.push(topic._id)
}
question.topics = topics;
console.log(question);
this.formGroup.patchValue(question);
this.updateModal.showModal();
}
public toggleQuestion(status : boolean, ids : string[]) {
this._faqService.toggleQuestion(ids,status).subscribe(
ret => {
for(let id of ret) {
let i = this.questionsCheckboxes.findIndex(_ => _.question._id == id);
this.questionsCheckboxes[i].question.isActive=status;
}
this.countQuestions();
this.applyCheck(false);
},
error => this.handleError(<any>error)
);
}
public saveQuestion(data : any):void {
console.log(data);
this._faqService.saveQuestion(data).subscribe(
question => this.questionSavedSuccessfully(question),
error => this.handleError(<any>error)
);
}
public questionSavedSuccessfully(question: Question) {
this.questionsCheckboxes.push(<CheckQuestion>{question : question, checked : false});
this.questions.push(question);
this.successMessage = `Question [${question.question}] saved successfully`;
this.applyCheck(false);
this.countQuestions();
}
public questionUpdatedSuccessfully(question : Question) {
this.questionsCheckboxes.find(checkItem => checkItem.question._id==question._id).question = question;
let index = this.questions.findIndex(checkItem => checkItem._id==question._id);
this.successMessage = `Question [${question.question}] updated successfully`;
this.questions[index] = question;
this.applyCheck(false);
this.countQuestions();
}
public filterQuestion(question : Question, filters : QuestionFilterOptions) : boolean {
let idFlag = filters.id == '' || (<Topic[]>question.topics).map(_ => _._id).includes(filters.id);
let activeFlag = filters.active == null || question.isActive == filters.active;
let textFlag = filters.text.toString() == '' || (question.question + ' ' +question.answer).match(filters.text) != null;
return idFlag && activeFlag && textFlag;
}
public applyFilter() {
this.questionsCheckboxes = [];
this.questions.filter(item => this.filterQuestion(item,this.filters)).forEach(
_ => this.questionsCheckboxes.push(<CheckQuestion>{question: _, checked: false})
);
this.countQuestions();
}
public filterByTopic(event: any) {
this.filters.id = event.target.value;
this.applyFilter();
}
public displayAllQuestions() {
this.filters.active = null;
this.applyFilter();
}
public displayActiveQuestions() {
this.filters.active = true;
this.applyFilter();
}
public filterBySearch(text : string) {
this.filters.text = new RegExp(text, "i");
this.applyFilter();
}
public displayInactiveQuestions() {
this.filters.active = false;
this.applyFilter();
}
public getNames(question : Question) : string[]{
return (<Topic[]>question.topics).map(_ => _.name);
}
handleError(error) {
if(error == null) {
this.formComponent.reset();
}else {
this.errorMessage = 'System error saving topic (Server responded: ' + error + ')';
}
}
}