106 lines
3.4 KiB
Swift
106 lines
3.4 KiB
Swift
import Combine
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import Models
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import Services
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import SwiftUI
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import Views
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final class LabelsViewModel: ObservableObject {
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private var hasLoadedInitialLabels = false
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@Published var isLoading = false
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@Published var selectedLabels = [FeedItemLabelDep]()
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@Published var unselectedLabels = [FeedItemLabelDep]()
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@Published var labels = [FeedItemLabelDep]()
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@Published var showCreateEmailModal = false
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var subscriptions = Set<AnyCancellable>()
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/// Loads initial set of labels when a edit labels list is displayed
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/// - Parameters:
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/// - dataService: `DataService` reference
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/// - item: Optional `FeedItem` for applying labels to a single item
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/// - initiallySelectedLabels: Optional `[FeedItemLabel]` for filtering a list of items
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func loadLabels(dataService: DataService, item: FeedItem? = nil, initiallySelectedLabels: [FeedItemLabelDep]? = nil) {
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guard !hasLoadedInitialLabels else { return }
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isLoading = true
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dataService.labelsPublisher().sink(
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receiveCompletion: { _ in },
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receiveValue: { [weak self] allLabels in
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self?.isLoading = false
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self?.labels = allLabels
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self?.hasLoadedInitialLabels = true
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if let item = item {
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self?.selectedLabels = item.labels
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self?.unselectedLabels = allLabels.filter { label in
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!item.labels.contains(where: { $0.id == label.id })
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}
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}
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if let initiallySelectedLabels = initiallySelectedLabels {
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self?.selectedLabels = initiallySelectedLabels
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self?.unselectedLabels = allLabels.filter { label in
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!initiallySelectedLabels.contains(where: { $0.id == label.id })
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}
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}
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}
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)
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.store(in: &subscriptions)
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}
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func createLabel(dataService: DataService, name: String, color: Color, description: String?) {
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isLoading = true
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dataService.createLabelPublisher(
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name: name,
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color: color.hex ?? "",
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description: description
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).sink(
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receiveCompletion: { [weak self] _ in
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self?.isLoading = false
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},
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receiveValue: { [weak self] result in
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self?.isLoading = false
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self?.labels.insert(result, at: 0)
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self?.unselectedLabels.insert(result, at: 0)
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self?.showCreateEmailModal = false
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}
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)
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.store(in: &subscriptions)
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}
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func deleteLabel(dataService: DataService, labelID: String) {
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isLoading = true
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dataService.removeLabelPublisher(labelID: labelID).sink(
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receiveCompletion: { [weak self] _ in
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self?.isLoading = false
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},
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receiveValue: { [weak self] _ in
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self?.isLoading = false
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self?.labels.removeAll { $0.id == labelID }
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}
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)
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.store(in: &subscriptions)
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}
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func saveItemLabelChanges(itemID: String, dataService: DataService, onComplete: @escaping ([FeedItemLabelDep]) -> Void) {
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isLoading = true
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dataService.updateArticleLabelsPublisher(itemID: itemID, labelIDs: selectedLabels.map(\.id)).sink(
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receiveCompletion: { [weak self] _ in
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self?.isLoading = false
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},
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receiveValue: { onComplete($0) }
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)
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.store(in: &subscriptions)
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}
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func addLabelToItem(_ label: FeedItemLabelDep) {
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selectedLabels.insert(label, at: 0)
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unselectedLabels.removeAll { $0.id == label.id }
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}
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func removeLabelFromItem(_ label: FeedItemLabelDep) {
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unselectedLabels.insert(label, at: 0)
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selectedLabels.removeAll { $0.id == label.id }
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}
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}
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