Files
omnivore/apple/OmnivoreKit/Sources/App/Views/Labels/LabelsViewModel.swift
2022-08-05 06:59:19 -07:00

108 lines
3.2 KiB
Swift

import CoreData
import Models
import Services
import SwiftUI
import Views
@MainActor final class LabelsViewModel: ObservableObject {
@Published var isLoading = false
@Published var selectedLabels = [LinkedItemLabel]()
@Published var unselectedLabels = [LinkedItemLabel]()
@Published var labels = [LinkedItemLabel]()
@Published var showCreateLabelModal = false
@Published var labelSearchFilter = ""
func loadLabels(
dataService: DataService,
item: LinkedItem? = nil,
initiallySelectedLabels: [LinkedItemLabel]? = nil
) async {
isLoading = true
if let labelIDs = try? await dataService.labels() {
dataService.viewContext.performAndWait {
self.labels = labelIDs.compactMap { dataService.viewContext.object(with: $0) as? LinkedItemLabel }
}
let selLabels = initiallySelectedLabels ?? item?.sortedLabels ?? []
for label in labels {
if selLabels.contains(label) {
selectedLabels.append(label)
} else {
unselectedLabels.append(label)
}
}
}
isLoading = false
}
func loadLabelsFromStore(dataService: DataService) async {
let fetchRequest: NSFetchRequest<Models.LinkedItemLabel> = LinkedItemLabel.fetchRequest()
let fetchedLabels = await dataService.viewContext.perform {
try? fetchRequest.execute()
}
if fetchedLabels?.count == 0 {
await fetchLabelsFromNetwork(dataService: dataService)
} else {
labels = fetchedLabels ?? []
unselectedLabels = fetchedLabels ?? []
}
}
func fetchLabelsFromNetwork(dataService: DataService) async {
let labelIDs = try? await dataService.labels()
guard let labelIDs = labelIDs else { return }
let fetchedLabels = await dataService.viewContext.perform {
labelIDs.compactMap { dataService.viewContext.object(with: $0) as? LinkedItemLabel }
}
labels = fetchedLabels
unselectedLabels = fetchedLabels
}
func createLabel(dataService: DataService, name: String, color: Color, description: String?) {
isLoading = true
guard let labelObjectID = try? dataService.createLabel(
name: name,
color: color.hex ?? "",
description: description
) else {
isLoading = false
return
}
if let label = dataService.viewContext.object(with: labelObjectID) as? LinkedItemLabel {
labels.insert(label, at: 0)
unselectedLabels.insert(label, at: 0)
}
isLoading = false
showCreateLabelModal = false
}
func deleteLabel(dataService: DataService, labelID: String, name: String) {
dataService.removeLabel(labelID: labelID, name: name)
labels.removeAll { $0.name == name }
selectedLabels.removeAll { $0.name == name }
unselectedLabels.removeAll { $0.name == name }
}
func saveItemLabelChanges(itemID: String, dataService: DataService) {
dataService.updateItemLabels(itemID: itemID, labelIDs: selectedLabels.map(\.unwrappedID))
}
func addLabelToItem(_ label: LinkedItemLabel) {
selectedLabels.insert(label, at: 0)
unselectedLabels.removeAll { $0.name == label.name }
}
func removeLabelFromItem(_ label: LinkedItemLabel) {
unselectedLabels.insert(label, at: 0)
selectedLabels.removeAll { $0.name == label.name }
}
}