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| 1 | +import {SlideTemplate} from '../../models/slide-template'; |
| 2 | +import {Slide} from '../../models/slide'; |
| 3 | +import {Deck} from '../../models/deck'; |
| 4 | + |
| 5 | +import {SlideService} from '../../services/slide/slide.service'; |
| 6 | +import {DeckService} from '../../services/deck/deck.service'; |
| 7 | + |
| 8 | +export class EditorHelper { |
| 9 | + |
| 10 | + private el: HTMLElement; |
| 11 | + |
| 12 | + private slideService: SlideService; |
| 13 | + private deckService: DeckService; |
| 14 | + |
| 15 | + private deck: Deck; |
| 16 | + |
| 17 | + constructor() { |
| 18 | + this.slideService = SlideService.getInstance(); |
| 19 | + this.deckService = DeckService.getInstance(); |
| 20 | + } |
| 21 | + |
| 22 | + init(el: HTMLElement) { |
| 23 | + this.el = el; |
| 24 | + |
| 25 | + this.el.addEventListener('slideDidLoad', this.onSlideDidLoad, false); |
| 26 | + } |
| 27 | + |
| 28 | + destroy() { |
| 29 | + this.el.removeEventListener('change', this.onSlideDidLoad, true); |
| 30 | + } |
| 31 | + |
| 32 | + private onSlideDidLoad = async ($event: CustomEvent) => { |
| 33 | + if ($event && $event.target && $event.target instanceof HTMLElement) { |
| 34 | + await this.createSlide($event.target); |
| 35 | + } |
| 36 | + }; |
| 37 | + |
| 38 | + private createSlide(slide: HTMLElement): Promise<void> { |
| 39 | + return new Promise<void>(async (resolve) => { |
| 40 | + try { |
| 41 | + if (!slide) { |
| 42 | + resolve(); |
| 43 | + return; |
| 44 | + } |
| 45 | + |
| 46 | + if (slide.getAttribute('slide_id')) { |
| 47 | + // !isNew |
| 48 | + resolve(); |
| 49 | + return; |
| 50 | + } |
| 51 | + |
| 52 | + const persistedSlide: Slide = await this.slideService.post({ |
| 53 | + slide_template: SlideTemplate.TITLE, |
| 54 | + slide_content: slide.innerHTML |
| 55 | + }); |
| 56 | + |
| 57 | + if (persistedSlide && persistedSlide.slide_id) { |
| 58 | + slide.setAttribute('slide_id', persistedSlide.slide_id); |
| 59 | + |
| 60 | + await this.createOrUpdateDeck(persistedSlide); |
| 61 | + } |
| 62 | + } catch (err) { |
| 63 | + // TODO do something with the error |
| 64 | + console.error(err); |
| 65 | + resolve(); |
| 66 | + } |
| 67 | + }); |
| 68 | + } |
| 69 | + |
| 70 | + private createOrUpdateDeck(slide: Slide): Promise<void> { |
| 71 | + return new Promise<void>(async (resolve, reject) => { |
| 72 | + try { |
| 73 | + if (!slide) { |
| 74 | + reject('Missing slide to create or update the deck'); |
| 75 | + return; |
| 76 | + } |
| 77 | + |
| 78 | + if (this.deck) { |
| 79 | + if (!this.deck.deck_slides || this.deck.deck_slides.length <= 0) { |
| 80 | + this.deck.deck_slides = []; |
| 81 | + } |
| 82 | + |
| 83 | + this.deck.deck_slides.push(slide.slide_id); |
| 84 | + |
| 85 | + this.deck = await this.deckService.put(this.deck); |
| 86 | + } else { |
| 87 | + this.deck = { |
| 88 | + deck_slides: [slide.slide_id] |
| 89 | + }; |
| 90 | + |
| 91 | + this.deck = await this.deckService.post(this.deck); |
| 92 | + } |
| 93 | + |
| 94 | + console.log(this.deck); |
| 95 | + |
| 96 | + resolve(); |
| 97 | + } catch (err) { |
| 98 | + reject(err); |
| 99 | + } |
| 100 | + }); |
| 101 | + } |
| 102 | + |
| 103 | +} |
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