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//
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//  GalleryTabViewModel.swift
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//  twogetskills
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//
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//  Created by Efrain Yanez Recanatini on 6/29/22.
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//
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import Foundation
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class GalleryGridViewModel : ObservableObject
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{
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    @Published public var slides = [SlideModel]()
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    @Published public var slideActiveIndex : Int = 0
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    func next() -> Void {
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        if slideActiveIndex < (slides.count - 1) {
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            slideActiveIndex += 1
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        }
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    }
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    func previous() -> Void {
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        if slideActiveIndex > 0 {
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            slideActiveIndex -= 1
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        }
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    }
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    func hasNext() -> Bool {
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        return slideActiveIndex < (slides.count - 1)
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    }
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    func hasPrevious() -> Bool {
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        return slideActiveIndex > 0
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    }
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    func fetch(capsuleUuid : String, userUuid : String)
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    {
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        let slideDao = SlideDao.sharedInstance
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        slides = slideDao.selectAllByCapsuleUuid(capsuleUuid: capsuleUuid)
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        loadAllProgress(userUuid: userUuid)
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    }
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    func loadAllProgress(userUuid : String)
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    {
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        let progressDao = ProgressDao.sharedInstance
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        var i : Int = 0
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        var progress : ProgressModel
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        while i < slides.count
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        {
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            progress = progressDao.selectBySlideUuidAndUserUuid(slideUuid: slides[i].uuid, userUuid: userUuid)
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            if progress.id > 0 {
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                slides[i].completed = progress.completed
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            }
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            i += 1
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        }
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    }
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}