71 lines
1.9 KiB
Swift
71 lines
1.9 KiB
Swift
import Collections
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import Combine
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import Foundation
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import GRDB
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@MainActor
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final class ConversationStore: ObservableObject {
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@Published private(set) var messages: [Message] = []
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@Published var replyText = ""
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private(set) var roster: Roster
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private let client: Client
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private let blockSize = Const.messagesPageSize
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private let messagesMax = Const.messagesMaxSize
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private var messagesCancellable: AnyCancellable?
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init(roster: Roster, client: Client) {
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self.client = client
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self.roster = roster
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subscribe()
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}
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}
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extension ConversationStore {
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func sendMessage(_ message: String) async {
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// prepare message
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let message = Message(
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id: UUID().uuidString,
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type: .chat,
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date: Date(),
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contentType: .text,
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status: .pending,
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from: roster.bareJid,
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to: roster.contactBareJid,
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body: message,
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subject: nil,
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thread: nil,
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oobUrl: nil
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)
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// store as pending on db, and send
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do {
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try await message.save()
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try await client.sendMessage(message)
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try await message.setStatus(.sent)
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} catch {
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try? await message.setStatus(.error)
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}
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}
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}
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private extension ConversationStore {
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func subscribe() {
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messagesCancellable = ValueObservation.tracking(Message
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.filter(
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(Column("to") == roster.bareJid && Column("from") == roster.contactBareJid) ||
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(Column("from") == roster.bareJid && Column("to") == roster.contactBareJid)
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)
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.order(Column("date").desc)
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.fetchAll
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)
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.publisher(in: Database.shared.dbQueue, scheduling: .immediate)
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.receive(on: DispatchQueue.main)
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.sink { _ in
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} receiveValue: { [weak self] messages in
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self?.messages = messages
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}
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}
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}
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