D-Net

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

import {ActivatedRoute, Router} from '@angular/router';

import {EnvProperties} from '../../openaireLibrary/utils/properties/env-properties';

import {Session} from '../../openaireLibrary/login/utils/helper.class';

import {LoginErrorCodes} from '../../openaireLibrary/login/utils/guardHelper.class';

import {CuratorService} from '../../openaireLibrary/connect/curators/curator.service';

import {Curator} from '../../openaireLibrary/utils/entities/CuratorInfo';

import {HelperFunctions} from '../../openaireLibrary/utils/HelperFunctions.class';

import {UtilitiesService} from '../../openaireLibrary/services/utilities.service';

@Component({

  selector: 'curator',

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

})

export class CuratorComponent implements OnInit {

  public showLoading = true;

  public updateErrorMessage = '';

  public successfulSaveMessage = '';

  public affiliationsChanged = false;

  public hasChanged = false;

  public curatorId = null;

  public curator: Curator = null;

  public photo: any = null;

  public properties: EnvProperties = null;

  private file: File = null;

  private maxsize: number = 200*1024;

  private enabled = true;

  private deletePhoto =false;

  constructor(private element: ElementRef,

              private route: ActivatedRoute,

              private _router: Router,

              private curatorService: CuratorService,

              private utilitiesService: UtilitiesService) {

  }

  ngOnInit() {

    this.route.data.subscribe((data: { envSpecific: EnvProperties }) => {

      this.properties = data.envSpecific;

      if (!Session.isLoggedIn()) {

        this._router.navigate(['/user-info'], {

          queryParams: {'errorCode': LoginErrorCodes.NOT_VALID, 'redirectUrl': this._router.url}

        });

      } else {

        this.showLoading = true;

        this.updateErrorMessage = '';

        this.curatorId = Session.getUser().id;

        this.curatorService.getCurator(this.properties,

          this.properties.adminToolsAPIURL + 'curator/' + this.curatorId).subscribe(

          curator => {

            if (curator && Object.keys(curator).length > 0) {

              this.curator = curator;

              this.curator.email = Session.getUserEmail();

              if (this.curator.photo && this.curator.photo !== '') {

                this.photo = this.properties.utilsService + '/download/' + this.curator.photo;

              } else {

                this.photo = '../../../assets/common-assets/curator-default.png';

              }

              this.showLoading = false;

              HelperFunctions.scroll();

            } else {

              this.curator = new Curator();

              this.curator._id = this.curatorId;

              this.curator.email = Session.getUserEmail();

              this.curator.name = Session.getUserFullName();

              this.curator.affiliations = [];

              this.curator.bio = '';

              this.curator.photo = null;

              this.photo = '../../../assets/common-assets/curator-default.png';

              this.showLoading = false;

              HelperFunctions.scroll();

            }

          },

          error => {

          }

        );

      }

    });

  }

  public resetForm() {

    if (!Session.isLoggedIn()) {

      this._router.navigate(['/user-info'], {

        queryParams:

          {'errorCode': LoginErrorCodes.NOT_VALID, 'redirectUrl': this._router.url}

      });

    } else {

      if (this.curatorId != null && this.curatorId !== '') {

        this.showLoading = true;

        this.updateErrorMessage = '';

        this.curatorService.getCurator(this.properties,

          this.properties.adminToolsAPIURL + 'curator/' + this.curatorId).subscribe(

          curator => {

            if (curator) {

              this.curator = curator;

              this.curator.email = Session.getUserEmail();

              if (this.curator.photo && this.curator.photo !== '') {

                this.photo = this.properties.utilsService + '/download/' + this.curator.photo;

              } else {

                this.photo = '../../../assets/common-assets/curator-default.png';

              }

              this.showLoading = false;

              HelperFunctions.scroll();

            } else {

              this.curator = new Curator();

              this.curator._id = this.curatorId;

              this.curator.email = Session.getUserEmail();

              this.curator.name = Session.getUserFullName();

              this.curator.affiliations = [];

              this.curator.bio = '';

              this.curator.photo = null;

              this.photo = '../../../assets/common-assets/curator-default.png';

              this.showLoading = false;

              HelperFunctions.scroll();

            }

          },

          error => {

          }

        );

      }

      this.resetChange();

    }

  }

  private change() {

    this.hasChanged = true;

    this.affiliationsChanged = true;

  }

  private resetChange() {

    this.hasChanged = false;

    this.affiliationsChanged = false;

  }

  private resetMessages() {

    this.successfulSaveMessage = '';

    this.updateErrorMessage = '';

  }

  handleUpdateError(message: string, error) {

    this.resetMessages();

    this.updateErrorMessage = message;

    console.log('Server responded: ' + error);

    this.showLoading = false;

  }

  handleSuccessfulSave(message) {

    this.resetMessages();

    this.showLoading = false;

    HelperFunctions.scroll();

    this.successfulSaveMessage = message;

  }

  fileChangeEvent(event) {

    this.showLoading = true;

    if (event.target.files && event.target.files[0]) {

      this.file = event.target.files[0];

      if (this.file.type !== 'image/png' && this.file.type !== 'image/jpeg') {

        this.handleUpdateError('You must choose a file with type: image/png or image/jpeg!', null);

        this.file = null;

      } else if (this.file.size > this.maxsize) {

        this.handleUpdateError("File exceeds size's limit! Maximum resolution is 256x256 pixels.", null);

        this.file = null;

      } else {

        this.updateErrorMessage = '';

        const reader = new FileReader();

        reader.readAsDataURL(this.file);

        reader.onload = () => {

          this.photo = reader.result;

          this.showLoading = false;

          HelperFunctions.scroll();

        };

      }

    }

  }

  updateCurator() {

    if (!Session.isLoggedIn()) {

      this._router.navigate(['/user-info'], {

        queryParams:

          {'errorCode': LoginErrorCodes.NOT_VALID, 'redirectUrl': this._router.url}

      });

    } else {

      if ((this.hasChanged || this.affiliationsChanged) && this.curator && this.curator.name && this.curator.name !== '') {

        this.showLoading = true;

        if (this.file) {

          this.utilitiesService.uploadPhoto(this.properties.utilsService + '/upload/' + this.curator._id, this.file).subscribe((res) => {

              if (this.curator.photo && this.curator.photo !== '') {

                this.utilitiesService.deletePhoto(this.properties.utilsService + '/delete/' + this.curator.photo).subscribe();

              }

              this.curator.photo = res.filename;

              this.curatorService.updateCurator(this.properties.adminToolsAPIURL + 'curator',

                this.curator).subscribe((curator) => {

                  if (curator) {

                    this.handleSuccessfulSave('Your data has been saved successfully!');

                    this.resetChange();

                  }

                },

                error => {

                  this.handleUpdateError('An error has occurred. Try again later!', error);

                  this.resetChange();

                });

            }, error => {

              this.handleUpdateError('An error has occurred during photo uploading.', error);

            }

          );

        } else {

          if(this.deletePhoto) {

            this.utilitiesService.deletePhoto(this.properties.utilsService + '/delete/' + this.curator.photo).subscribe();

            this.curator.photo = '';

          }

          this.curatorService.updateCurator(this.properties.adminToolsAPIURL + 'curator',

            this.curator).subscribe((curator) => {

              if (curator) {

                this.handleSuccessfulSave('Your data has been saved successfully!');

                this.resetChange();

              }

            },

            error => {

              this.handleUpdateError('An error has occurred. Try again later!', error);

              this.resetChange();

            });

          }

        }

      }

  }

  onNameChange() {

    this.hasChanged = true;

    if (!this.curator.name || this.curator.name === '') {

      this.enabled = false;

    } else {

      this.enabled = true;

    }

  }

  removePhoto() {

    this.deletePhoto = true;

    this.hasChanged = true;

    this.photo = '../../../assets/common-assets/curator-default.png';

  }

}