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106 lines
3.4 KiB
Swift
106 lines
3.4 KiB
Swift
import Models
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import Network
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import SwiftUI
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@MainActor
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class ConversationsListViewModel: ObservableObject {
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var client: Client?
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@Published var isLoadingFirstPage: Bool = true
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@Published var isLoadingNextPage: Bool = false
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@Published var conversations: [Conversation] = []
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@Published var isError: Bool = false
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var nextPage: LinkHandler?
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public init() {}
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func fetchConversations() async {
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guard let client else { return }
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if conversations.isEmpty {
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isLoadingFirstPage = true
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}
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do {
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(conversations, nextPage) = try await client.getWithLink(endpoint: Conversations.conversations(maxId: nil))
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if nextPage?.maxId == nil {
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nextPage = nil
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}
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isLoadingFirstPage = false
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} catch {
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isError = true
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isLoadingFirstPage = false
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}
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}
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func fetchNextPage() async {
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if let maxId = nextPage?.maxId, let client {
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do {
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isLoadingNextPage = true
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var nextMessages: [Conversation] = []
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(nextMessages, nextPage) = try await client.getWithLink(endpoint: Conversations.conversations(maxId: maxId))
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conversations.append(contentsOf: nextMessages)
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if nextPage?.maxId == nil {
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nextPage = nil
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}
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isLoadingNextPage = false
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} catch {}
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}
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}
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func markAsRead(conversation: Conversation) async {
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guard let client else { return }
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_ = try? await client.post(endpoint: Conversations.read(id: conversation.id))
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}
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func delete(conversation: Conversation) async {
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guard let client else { return }
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_ = try? await client.delete(endpoint: Conversations.delete(id: conversation.id))
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await fetchConversations()
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}
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func favorite(conversation: Conversation) async {
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guard let client, let message = conversation.lastStatus else { return }
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let endpoint: Endpoint = if message.favourited ?? false {
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Statuses.unfavorite(id: message.id)
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} else {
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Statuses.favorite(id: message.id)
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}
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do {
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let status: Status = try await client.post(endpoint: endpoint)
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updateConversationWithNewLastStatus(conversation: conversation, newLastStatus: status)
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} catch {}
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}
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func bookmark(conversation: Conversation) async {
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guard let client, let message = conversation.lastStatus else { return }
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let endpoint: Endpoint = if message.bookmarked ?? false {
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Statuses.unbookmark(id: message.id)
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} else {
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Statuses.bookmark(id: message.id)
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}
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do {
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let status: Status = try await client.post(endpoint: endpoint)
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updateConversationWithNewLastStatus(conversation: conversation, newLastStatus: status)
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} catch {}
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}
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private func updateConversationWithNewLastStatus(conversation: Conversation, newLastStatus: Status) {
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let newConversation = Conversation(id: conversation.id, unread: conversation.unread, lastStatus: newLastStatus, accounts: conversation.accounts)
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updateConversations(conversation: newConversation)
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}
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private func updateConversations(conversation: Conversation) {
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if let index = conversations.firstIndex(where: { $0.id == conversation.id }) {
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conversations.remove(at: index)
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}
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conversations.insert(conversation, at: 0)
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conversations = conversations.sorted(by: { ($0.lastStatus?.createdAt.asDate ?? Date.now) > ($1.lastStatus?.createdAt.asDate ?? Date.now) })
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}
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func handleEvent(event: any StreamEvent) {
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if let event = event as? StreamEventConversation {
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updateConversations(conversation: event.conversation)
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}
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}
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}
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