Impressia/Vernissage/Views/TrendStatusesView.swift

137 lines
5.4 KiB
Swift

//
// https://mczachurski.dev
// Copyright © 2023 Marcin Czachurski and the repository contributors.
// Licensed under the Apache License 2.0.
//
import SwiftUI
import PixelfedKit
import ClientKit
import ServicesKit
import EnvironmentKit
import WidgetsKit
@MainActor
struct TrendStatusesView: View {
@Environment(ApplicationState.self) var applicationState
@Environment(Client.self) var client
@State public var accountId: String
@State private var tabSelectedValue: Pixelfed.Trends.TrendRange = .daily
@State private var statusViewModels: [StatusModel] = []
@State private var state: ViewState = .loading
// Gallery parameters.
@State private var imageColumns = 3
@State private var containerWidth: Double = UIScreen.main.bounds.width
@State private var containerHeight: Double = UIScreen.main.bounds.height
var body: some View {
ScrollView {
Picker(selection: $tabSelectedValue, label: Text("")) {
Text("trendingStatuses.title.daily", comment: "Daily").tag(Pixelfed.Trends.TrendRange.daily)
Text("trendingStatuses.title.monthly", comment: "Monthly").tag(Pixelfed.Trends.TrendRange.monthly)
Text("trendingStatuses.title.yearly", comment: "Yearly").tag(Pixelfed.Trends.TrendRange.yearly)
}
.padding()
.pickerStyle(SegmentedPickerStyle())
.onChange(of: tabSelectedValue) {
Task {
do {
self.state = .loading
self.statusViewModels = []
try await self.loadStatuses()
} catch {
ErrorService.shared.handle(error, message: "trendingStatuses.error.loadingStatusesFailed", showToastr: !Task.isCancelled)
}
}
}
self.mainBody()
}
.gallery { galleryProperties in
self.imageColumns = galleryProperties.imageColumns
self.containerWidth = galleryProperties.containerWidth
self.containerHeight = galleryProperties.containerHeight
}
.refreshable {
do {
HapticService.shared.fireHaptic(of: .dataRefresh(intensity: 0.3))
try await self.loadStatuses()
HapticService.shared.fireHaptic(of: .dataRefresh(intensity: 0.7))
} catch {
ErrorService.shared.handle(error, message: "trendingStatuses.error.loadingStatusesFailed", showToastr: !Task.isCancelled)
}
}
.navigationTitle("trendingStatuses.navigationBar.title")
}
@ViewBuilder
private func mainBody() -> some View {
switch state {
case .loading:
LoadingIndicator()
.task {
do {
try await self.loadStatuses()
self.state = .loaded
} catch {
if !Task.isCancelled {
ErrorService.shared.handle(error, message: "trendingStatuses.error.loadingStatusesFailed", showToastr: true)
self.state = .error(error)
} else {
ErrorService.shared.handle(error, message: "trendingStatuses.error.loadingStatusesFailed", showToastr: false)
}
}
}
case .loaded:
if self.statusViewModels.isEmpty {
NoDataView(imageSystemName: "photo.on.rectangle.angled", text: "trendingStatuses.title.noPhotos")
} else {
if self.imageColumns > 1 {
WaterfallGrid($statusViewModels, refreshId: Binding.constant(""), columns: $imageColumns, hideLoadMore: Binding.constant(true)) { item in
ImageRowAsync(statusViewModel: item, containerWidth: $containerWidth)
} onLoadMore: { }
} else {
LazyVStack(alignment: .center) {
ForEach(self.statusViewModels, id: \.id) { item in
ImageRowAsync(statusViewModel: item, containerWidth: Binding.constant(UIScreen.main.bounds.width))
}
}
}
}
case .error(let error):
ErrorView(error: error) {
do {
self.state = .loading
try await self.loadStatuses()
self.state = .loaded
} catch {
if !Task.isCancelled {
ErrorService.shared.handle(error, message: "trendingStatuses.error.loadingStatusesFailed", showToastr: true)
self.state = .error(error)
} else {
ErrorService.shared.handle(error, message: "trendingStatuses.error.loadingStatusesFailed", showToastr: false)
}
}
}
.padding()
}
}
private func loadStatuses() async throws {
if let statuses = try await client.trends?.statuses(range: tabSelectedValue) {
var inPlaceStatuses: [StatusModel] = []
for item in statuses.getStatusesWithImagesOnly() {
inPlaceStatuses.append(StatusModel(status: item))
}
self.statusViewModels = inPlaceStatuses
}
}
}