mirror of
https://github.com/Dimillian/IceCubesApp.git
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156 lines
4.8 KiB
Swift
156 lines
4.8 KiB
Swift
import SwiftUI
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import Network
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import Models
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import Status
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@MainActor
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class AccountDetailViewModel: ObservableObject, StatusesFetcher {
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let accountId: String
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var client: Client?
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enum AccountState {
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case loading, data(account: Account), error(error: Error)
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}
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enum Tab: Int, CaseIterable {
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case statuses, favourites, followedTags
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var title: String {
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switch self {
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case .statuses: return "Posts"
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case .favourites: return "Favourites"
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case .followedTags: return "Followed Tags"
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}
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}
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}
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enum TabState {
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case followedTags(tags: [Tag])
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case statuses(statusesState: StatusesState)
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}
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@Published var accountState: AccountState = .loading
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@Published var tabState: TabState = .statuses(statusesState: .loading) {
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didSet {
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/// Forward viewModel tabState related to statusesState to statusesState property
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/// for `StatusesFetcher` conformance as we wrap StatusesState in TabState
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switch tabState {
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case let .statuses(statusesState):
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self.statusesState = statusesState
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default:
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break
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}
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}
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}
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@Published var statusesState: StatusesState = .loading
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@Published var title: String = ""
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@Published var relationship: Relationshionship?
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@Published var favourites: [Status] = []
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@Published var followedTags: [Tag] = []
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@Published var featuredTags: [FeaturedTag] = []
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@Published var selectedTab = Tab.statuses {
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didSet {
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reloadTabState()
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}
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}
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private var account: Account?
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private(set) var statuses: [Status] = []
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private let isCurrentUser: Bool
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/// When coming from a URL like a mention tap in a status.
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init(accountId: String) {
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self.accountId = accountId
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self.isCurrentUser = false
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}
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/// When the account is already fetched by the parent caller.
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init(account: Account, isCurrentUser: Bool) {
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self.accountId = account.id
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self.accountState = .data(account: account)
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self.isCurrentUser = isCurrentUser
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}
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func fetchAccount() async {
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guard let client else { return }
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do {
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let account: Account = try await client.get(endpoint: Accounts.accounts(id: accountId))
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if isCurrentUser {
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self.followedTags = try await client.get(endpoint: Accounts.followedTags)
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} else {
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let relationships: [Relationshionship] = try await client.get(endpoint: Accounts.relationships(id: accountId))
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self.relationship = relationships.first
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}
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self.featuredTags = try await client.get(endpoint: Accounts.featuredTags(id: accountId))
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self.featuredTags.sort { $0.statusesCountInt > $1.statusesCountInt }
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self.title = account.displayName
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accountState = .data(account: account)
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} catch {
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accountState = .error(error: error)
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}
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}
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func fetchStatuses() async {
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guard let client else { return }
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do {
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tabState = .statuses(statusesState: .loading)
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statuses = try await client.get(endpoint: Accounts.statuses(id: accountId, sinceId: nil, tag: nil))
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if isCurrentUser {
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favourites = try await client.get(endpoint: Accounts.favourites)
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}
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reloadTabState()
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} catch {
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tabState = .statuses(statusesState: .error(error: error))
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}
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}
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func fetchNextPage() async {
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guard let client else { return }
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do {
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switch selectedTab {
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case .statuses:
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guard let lastId = statuses.last?.id else { return }
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tabState = .statuses(statusesState: .display(statuses: statuses, nextPageState: .loadingNextPage))
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let newStatuses: [Status] = try await client.get(endpoint: Accounts.statuses(id: accountId, sinceId: lastId, tag: nil))
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statuses.append(contentsOf: newStatuses)
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tabState = .statuses(statusesState: .display(statuses: statuses, nextPageState: .hasNextPage))
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case .favourites, .followedTags:
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break
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}
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} catch {
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tabState = .statuses(statusesState: .error(error: error))
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}
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}
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func follow() async {
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guard let client else { return }
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do {
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relationship = try await client.post(endpoint: Accounts.follow(id: accountId))
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} catch {
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print("Error while following: \(error.localizedDescription)")
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}
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}
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func unfollow() async {
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guard let client else { return }
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do {
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relationship = try await client.post(endpoint: Accounts.unfollow(id: accountId))
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} catch {
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print("Error while unfollowing: \(error.localizedDescription)")
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}
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}
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private func reloadTabState() {
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switch selectedTab {
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case .statuses:
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tabState = .statuses(statusesState: .display(statuses: statuses, nextPageState: .hasNextPage))
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case .favourites:
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tabState = .statuses(statusesState: .display(statuses: favourites, nextPageState: .none))
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case .followedTags:
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tabState = .followedTags(tags: followedTags)
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}
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}
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}
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