Impressia/Vernissage/Views/HomeFeedView.swift
2023-01-09 13:05:02 +01:00

84 lines
3.0 KiB
Swift

//
// https://mczachurski.dev
// Copyright © 2022 Marcin Czachurski and the repository contributors.
// Licensed under the MIT License.
//
import SwiftUI
struct HomeFeedView: View {
@Environment(\.managedObjectContext) private var viewContext
@EnvironmentObject var applicationState: ApplicationState
@State private var showLoading = false
private static let initialColumns = 1
@State private var gridColumns = Array(repeating: GridItem(.flexible()), count: initialColumns)
@FetchRequest(sortDescriptors: [SortDescriptor(\.id, order: .reverse)]) var dbStatuses: FetchedResults<StatusData>
var body: some View {
ZStack {
ScrollView {
LazyVGrid(columns: gridColumns) {
ForEach(dbStatuses, id: \.self) { item in
NavigationLink(destination: StatusView(statusId: item.id,
imageBlurhash: item.attachments().first?.blurhash,
imageWidth: item.attachments().first?.metaImageWidth,
imageHeight: item.attachments().first?.metaImageHeight)
.environmentObject(applicationState)) {
ImageRow(attachments: item.attachments())
}
}
LoadingIndicator()
.onAppear {
Task {
do {
if let accountData = self.applicationState.accountData {
try await TimelineService.shared.onBottomOfList(for: accountData)
}
} catch {
print("Error", error)
}
}
}
}
}
if showLoading {
LoadingIndicator()
}
}
.refreshable {
do {
if let accountData = self.applicationState.accountData {
try await TimelineService.shared.onTopOfList(for: accountData)
}
} catch {
print("Error", error)
}
}
.task {
do {
if self.dbStatuses.isEmpty {
self.showLoading = true
if let accountData = self.applicationState.accountData {
try await TimelineService.shared.onTopOfList(for: accountData)
}
self.showLoading = false
}
} catch {
self.showLoading = false
print("Error", error)
}
}
}
}
struct HomeFeedView_Previews: PreviewProvider {
static var previews: some View {
HomeFeedView()
}
}