D-Net

import { Component, ViewChild, OnInit } from '@angular/core';

import { HelpContentService } from "../../services/help-content.service";

import { FormGroup } from "@angular/forms";

import { ModalFormComponent } from "../modal-form.component";

import { DeleteConfirmationDialogComponent } from "../delete-confirmation-dialog.component";

import { EntityFormComponent } from "./entity-form.component";

import { CheckEntity, Entity } from "../../domain/entity";

import { Community } from "../../domain/community";

@Component({

    selector: 'entities',

    templateUrl: './entities.component.html',

})

export class EntitiesComponent implements OnInit {

    // @ViewChild(ModalFormComponent)

    @ViewChild('saveModal')

    public modal:ModalFormComponent;

    @ViewChild('updateModal')

    public updateModal:ModalFormComponent;

    @ViewChild('deleteConfirmationModal')

    public deleteConfirmationModal : DeleteConfirmationDialogComponent;

    @ViewChild(EntityFormComponent)

    public formComponent : EntityFormComponent;

    public checkboxes : CheckEntity[] = [];

    public entities : Entity[] = [];

    public errorMessage: string;

    public formGroup : FormGroup;

    private searchText : RegExp = new RegExp('');

    public communities: Community[] = [];

    public selectedCommunityId: string;

    ngOnInit() {

        this.getCommunities();

        this.formGroup = this.formComponent.form;

    }

    constructor(private _helpContentService: HelpContentService) {}

    getCommunities() {

        let self = this;

        this._helpContentService.getCommunities().subscribe(

            communities => {

                self.communities = communities;

                self.getEntities(self.communities[0]._id);

                self.selectedCommunityId = self.communities[0]._id;

        },

        error => this.handleError('System error retrieving communities', error));

    }

    getEntities(community_id: string) {

        let self = this;

        this._helpContentService.getCommunityEntities(community_id).subscribe(

            entities => {

                self.entities = entities;

                self.checkboxes = [];

                entities.forEach(_ => {

                    self.checkboxes.push(<CheckEntity>{entity : _, checked : false});

                });

        },

        error => this.handleError('System error retrieving entities', error));

    }

    public showModal():void {

        this.modal.showModal();

    }

    public toggleCheckBoxes(event) {

        this.checkboxes.forEach(_ => _.checked = event.target.checked);

    }

    public applyCheck(flag : boolean) {

      console.info("applyCheck "+flag);

        this.checkboxes.forEach(_ => _.checked = flag);

    }

    public getSelectedEntities() : string[] {

        return this.checkboxes.filter(entity => entity.checked == true).map(checkedEntity => checkedEntity.entity).map(res => res._id);

    }

    private deleteEntitiesFromArray(ids : string[]) : void {

        for(let id of ids) {

            let i = this.checkboxes.findIndex(_ => _.entity._id == id);

            this.checkboxes.splice(i, 1);

        }

    }

    public confirmDeleteEntity(id : string) {

        this.deleteConfirmationModal.ids = [id];

        this.deleteConfirmationModal.showModal();

    }

    public confirmDeleteSelectedEntities() {

        this.deleteConfirmationModal.ids = this.getSelectedEntities();

        this.deleteConfirmationModal.showModal();

    }

    public confirmedDeleteEntities(ids : string[]) {

        this._helpContentService.deleteEntities(ids).subscribe(

            _ => this.deleteEntitiesFromArray(ids),

            error => this.handleError('System error deleting the selected entities', error)

        );

    }

    public editEntity(i : number) {

        let entity : Entity = this.checkboxes[i].entity;

        this.formGroup.patchValue(entity);

        this.updateModal.showModal();

    }

    public entitySavedSuccessfully(entity: Entity) {

        this.checkboxes.push(<CheckEntity>{entity : entity, checked : false});

        this.applyCheck(false);

    }

    public entityUpdatedSuccessfully(entity : Entity) {

        this.checkboxes.find(checkItem => checkItem.entity._id==entity._id).entity = entity;

        this.applyCheck(false);

    }

    public filterBySearch(text : string) {

        this.searchText = new RegExp(text,'i');

        this.applyFilter();

    }

    public applyFilter() {

        this.checkboxes = [];

        this.entities.filter(item => this.filterEntities(item)).forEach(

            _ => this.checkboxes.push(<CheckEntity>{entity: _, checked: false})

        );

    }

    public filterEntities(entity : Entity) : boolean {

        let textFlag = this.searchText.toString() == '' || (entity.name).match(this.searchText) != null;

        return textFlag;

    }

    handleError(message: string, error) {

        if(error == null) {

            this.formComponent.reset();

        }

        this.errorMessage = message + ' (Server responded: ' + error + ')';

    }

    public filterByCommunity(event: any) {

        this.selectedCommunityId = event.target.value;

        this.applyCommunityFilter(this.selectedCommunityId);

    }

    public applyCommunityFilter(community_id: string) {

        this.getEntities(community_id);

    }

    public toggleEntity(status : boolean, id : string) {

        this._helpContentService.toggleEntity(this.selectedCommunityId,id,status).subscribe(

            () => {

                let i = this.checkboxes.findIndex(_ => _.entity._id == id);

                this.checkboxes[i].entity.isEnabled=status;

                this.applyCheck(false);

            },

            error => this.handleError('System error changing the status of the selected entity(-ies)', error)

        );

    }

  }