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Refactor yet again how collection progress is published
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56 changes: 56 additions & 0 deletions
56
ACHNBrowserUI/ACHNBrowserUI/viewModels/CollectionProgressRowViewModel.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| // | ||
| // CollectionProgressRowViewModel.swift | ||
| // ACHNBrowserUI | ||
| // | ||
| // Created by Thomas Ricouard on 25/05/2020. | ||
| // Copyright © 2020 Thomas Ricouard. All rights reserved. | ||
| // | ||
|
|
||
| import Foundation | ||
| import Combine | ||
| import Backend | ||
|
|
||
| class CollectionProgressRowViewModel: ObservableObject { | ||
| let category: Backend.Category | ||
|
|
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| @Published var total: Int = 0 | ||
| @Published var inCollection: Int = 0 | ||
|
|
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| private var cancellable: AnyCancellable? | ||
|
|
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| init(category: Backend.Category) { | ||
| self.category = category | ||
| if category == .fish || category == .bugs || category == .fossils { | ||
| cancellable = UserCollection.shared.$critters | ||
| .subscribe(on: DispatchQueue.global()) | ||
| .removeDuplicates() | ||
| .receive(on: DispatchQueue.global()) | ||
| .sink(receiveValue: { [weak self] items in | ||
| let inCollection = UserCollection.shared.itemsIn(category: category, items: items) | ||
| let total = Items.shared.categories[category]?.count ?? 0 | ||
| self?.set(total: total, inCollection: inCollection) | ||
| }) | ||
| } else { | ||
| cancellable = UserCollection.shared.$items | ||
| .subscribe(on: DispatchQueue.global()) | ||
| .removeDuplicates() | ||
| .receive(on: DispatchQueue.global()) | ||
| .sink(receiveValue: { [weak self] items in | ||
| let inCollection = UserCollection.shared.itemsIn(category: category, items: items) | ||
| let total = Items.shared.categories[category]?.filter({ !$0.name.contains("(fake)") }).count ?? 0 | ||
| self?.set(total: total, inCollection: inCollection) | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| private func set(total: Int, inCollection: Int) { | ||
| DispatchQueue.main.async { | ||
| if total != self.total { | ||
| self.total = total | ||
| } | ||
| if inCollection != self.inCollection { | ||
| self.inCollection = inCollection | ||
| } | ||
| } | ||
| } | ||
| } |
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