Tusker/Tusker/API/FetchStatusService.swift

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//
// FetchStatusService.swift
// Tusker
//
// Created by Shadowfacts on 1/17/23.
// Copyright © 2023 Shadowfacts. All rights reserved.
//
import Foundation
import Pachyderm
@MainActor
class FetchStatusService {
let statusID: String
let mastodonController: MastodonController
init(statusID: String, mastodonController: MastodonController) {
self.statusID = statusID
self.mastodonController = mastodonController
}
func run() async -> Result {
let response = await mastodonController.runResponse(Client.getStatus(id: statusID))
switch response {
case .success(let status, _):
return .loaded(status)
case .failure(let error):
switch error.type {
case .unexpectedStatus(404), .mastodonError(404, _):
self.handleStatusNotFound()
return .notFound
default:
return .error(error)
}
}
}
private func handleStatusNotFound() {
var reblogIDs = [String]()
if let cached = mastodonController.persistentContainer.status(for: statusID) {
let reblogsReq = StatusMO.fetchRequest()
reblogsReq.predicate = NSPredicate(format: "reblog = %@", cached)
if let reblogs = try? mastodonController.persistentContainer.viewContext.fetch(reblogsReq) {
reblogIDs = reblogs.map(\.id)
}
}
NotificationCenter.default.post(name: .statusDeleted, object: mastodonController, userInfo: [
"statusIDs": [statusID] + reblogIDs
])
}
enum Result {
case loaded(Status)
case notFound
case error(Client.Error)
}
}