102 lines
3.5 KiB
Swift
102 lines
3.5 KiB
Swift
//
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// https://mczachurski.dev
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// Copyright © 2023 Marcin Czachurski and the repository contributors.
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// Licensed under the MIT License.
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//
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import SwiftUI
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import MastodonKit
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struct FollowersView: View {
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@EnvironmentObject var applicationState: ApplicationState
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@State var accountId: String
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@State private var accounts: [Account] = []
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@State private var page = 1
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@State private var allItemsLoaded = false
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@State private var firstLoadFinished = false
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var body: some View {
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List {
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ForEach(accounts, id: \.id) { account in
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NavigationLink(destination: UserProfileView(
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accountId: account.id,
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accountDisplayName: account.displayName,
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accountUserName: account.acct)
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.environmentObject(applicationState)) {
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UsernameRow(accountAvatar: account.avatar,
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accountDisplayName: account.displayName,
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accountUsername: account.acct,
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cachedAvatar: CacheAvatarService.shared.getImage(for: account.id))
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}
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}
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if allItemsLoaded == false && firstLoadFinished == true {
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LoadingIndicator()
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.task {
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self.page = self.page + 1
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await self.loadAccounts(page: self.page)
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}
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.frame(idealWidth: .infinity, maxWidth: .infinity, alignment: .center)
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}
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}.overlay {
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if firstLoadFinished == false {
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LoadingIndicator()
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} else {
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if self.accounts.isEmpty {
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VStack {
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Image(systemName: "person.3.sequence")
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.font(.largeTitle)
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.padding(.bottom, 4)
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Text("Unfortunately, there is no one here.")
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.font(.title3)
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}.foregroundColor(.lightGrayColor)
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}
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}
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}
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.navigationBarTitle("Followers")
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.listStyle(PlainListStyle())
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.task {
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if self.accounts.isEmpty == false {
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return
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}
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await self.loadAccounts(page: self.page)
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self.firstLoadFinished = true
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}
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}
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func loadAccounts(page: Int) async {
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do {
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let accountsFromApi = try await AccountService.shared.getFollowers(
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forAccountId: self.accountId,
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andContext: self.applicationState.accountData,
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page: page)
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if accountsFromApi.isEmpty || accountsFromApi.count < 10 {
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self.allItemsLoaded = true
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return
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}
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await self.downloadAvatars(accounts: accountsFromApi)
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self.accounts.append(contentsOf: accountsFromApi)
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} catch {
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print("Error \(error.localizedDescription)")
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}
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}
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func downloadAvatars(accounts: [Account]) async {
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await withTaskGroup(of: Void.self) { group in
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for account in accounts {
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group.addTask { await CacheAvatarService.shared.downloadImage(for: account.id, avatarUrl: account.avatar) }
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}
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}
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}
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}
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struct FollowersView_Previews: PreviewProvider {
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static var previews: some View {
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FollowersView(accountId: "")
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}
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}
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