forked from zelo72/mastodon-ios
250 lines
9.2 KiB
Swift
250 lines
9.2 KiB
Swift
|
//
|
||
|
|
// ReportViewModel.swift
|
||
|
|
// Mastodon
|
||
|
|
//
|
||
|
|
// Created by ihugo on 2021/4/19.
|
||
|
|
//
|
||
|
|
|
||
|
|
import Combine
|
||
|
|
import CoreData
|
||
|
|
import CoreDataStack
|
||
|
|
import Foundation
|
||
|
|
import MastodonSDK
|
||
|
|
import UIKit
|
||
|
|
import os.log
|
||
|
|
|
||
|
|
class ReportViewModel: NSObject, NeedsDependency {
|
||
|
|
typealias FileReportQuery = Mastodon.API.Reports.FileReportQuery
|
||
|
|
|
||
|
|
enum Step: Int {
|
||
|
|
case one
|
||
|
|
case two
|
||
|
|
}
|
||
|
|
|
||
|
|
// confirm set only once
|
||
|
|
weak var context: AppContext! { willSet { precondition(context == nil) } }
|
||
|
|
weak var coordinator: SceneCoordinator! { willSet { precondition(coordinator == nil) } }
|
||
|
|
var userId: String
|
||
|
|
var statusId: String?
|
||
|
|
var selectedItems = [Item]()
|
||
|
|
var comment: String?
|
||
|
|
|
||
|
|
internal var reportQuery: FileReportQuery
|
||
|
|
internal var disposeBag = Set<AnyCancellable>()
|
||
|
|
internal let currentStep = CurrentValueSubject<Step, Never>(.one)
|
||
|
|
internal let statusFetchedResultsController: StatusFetchedResultsController
|
||
|
|
internal var diffableDataSource: UITableViewDiffableDataSource<ReportSection, Item>?
|
||
|
|
internal let continueEnableSubject = CurrentValueSubject<Bool, Never>(false)
|
||
|
|
internal let sendEnableSubject = CurrentValueSubject<Bool, Never>(false)
|
||
|
|
internal let reportSuccess = PassthroughSubject<Void, Never>()
|
||
|
|
|
||
|
|
struct Input {
|
||
|
|
let didToggleSelected: AnyPublisher<Item, Never>
|
||
|
|
let comment: AnyPublisher<String?, Never>
|
||
|
|
let step1Continue: AnyPublisher<Void, Never>
|
||
|
|
let step1Skip: AnyPublisher<Void, Never>
|
||
|
|
let step2Continue: AnyPublisher<Void, Never>
|
||
|
|
let step2Skip: AnyPublisher<Void, Never>
|
||
|
|
let cancel: AnyPublisher<Void, Never>
|
||
|
|
let tableView: UITableView
|
||
|
|
}
|
||
|
|
|
||
|
|
struct Output {
|
||
|
|
let currentStep: AnyPublisher<Step, Never>
|
||
|
|
let continueEnableSubject: AnyPublisher<Bool, Never>
|
||
|
|
let sendEnableSubject: AnyPublisher<Bool, Never>
|
||
|
|
let reportSuccess: AnyPublisher<Void, Never>
|
||
|
|
}
|
||
|
|
|
||
|
|
init(context: AppContext,
|
||
|
|
coordinator: SceneCoordinator,
|
||
|
|
domain: String,
|
||
|
|
userId: String,
|
||
|
|
statusId: String?
|
||
|
|
) {
|
||
|
|
self.context = context
|
||
|
|
self.coordinator = coordinator
|
||
|
|
self.userId = userId
|
||
|
|
self.statusId = statusId
|
||
|
|
self.statusFetchedResultsController = StatusFetchedResultsController(
|
||
|
|
managedObjectContext: context.managedObjectContext,
|
||
|
|
domain: domain,
|
||
|
|
additionalTweetPredicate: Status.notDeleted()
|
||
|
|
)
|
||
|
|
|
||
|
|
self.reportQuery = FileReportQuery(
|
||
|
|
accountId: userId,
|
||
|
|
statusIds: nil,
|
||
|
|
comment: nil,
|
||
|
|
forward: nil
|
||
|
|
)
|
||
|
|
super.init()
|
||
|
|
}
|
||
|
|
|
||
|
|
func transform(input: Input?) -> Output? {
|
||
|
|
guard let input = input else { return nil }
|
||
|
|
guard let activeMastodonAuthenticationBox = context.authenticationService.activeMastodonAuthenticationBox.value else {
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
let domain = activeMastodonAuthenticationBox.domain
|
||
|
|
|
||
|
|
setupDiffableDataSource(
|
||
|
|
for: input.tableView,
|
||
|
|
dependency: self,
|
||
|
|
reportdStatusDelegate: self
|
||
|
|
)
|
||
|
|
|
||
|
|
// data binding
|
||
|
|
bindData(input: input)
|
||
|
|
|
||
|
|
// step1 and step2 binding
|
||
|
|
bindForStep1(input: input)
|
||
|
|
bindForStep2(
|
||
|
|
input: input,
|
||
|
|
domain: domain,
|
||
|
|
activeMastodonAuthenticationBox: activeMastodonAuthenticationBox
|
||
|
|
)
|
||
|
|
|
||
|
|
requestRecentStatus(
|
||
|
|
domain: domain,
|
||
|
|
accountId: self.userId,
|
||
|
|
authorizationBox: activeMastodonAuthenticationBox
|
||
|
|
)
|
||
|
|
|
||
|
|
fetchStatus()
|
||
|
|
|
||
|
|
return Output(
|
||
|
|
currentStep: currentStep.eraseToAnyPublisher(),
|
||
|
|
continueEnableSubject: continueEnableSubject.eraseToAnyPublisher(),
|
||
|
|
sendEnableSubject: sendEnableSubject.eraseToAnyPublisher(),
|
||
|
|
reportSuccess: reportSuccess.eraseToAnyPublisher()
|
||
|
|
)
|
||
|
|
}
|
||
|
|
|
||
|
|
// MARK: - Private methods
|
||
|
|
func bindData(input: Input) {
|
||
|
|
input.didToggleSelected.sink { [weak self] (item) in
|
||
|
|
guard let self = self else { return }
|
||
|
|
guard case let .status(objectID, attribute) = item else { return }
|
||
|
|
guard var snapshot = self.diffableDataSource?.snapshot() else { return }
|
||
|
|
let managedObjectContext = self.statusFetchedResultsController.fetchedResultsController.managedObjectContext
|
||
|
|
guard let status = managedObjectContext.object(with: objectID) as? Status else {
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
var items = [Item]()
|
||
|
|
if let index = self.selectedItems.firstIndex(of: item) {
|
||
|
|
self.selectedItems.remove(at: index)
|
||
|
|
items.append(.status(objectID: objectID, attribute: attribute))
|
||
|
|
|
||
|
|
if let index = self.reportQuery.statusIds?.firstIndex(of: status.id) {
|
||
|
|
self.reportQuery.statusIds?.remove(at: index)
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
self.selectedItems.append(item)
|
||
|
|
items.append(.status(objectID: objectID, attribute: attribute))
|
||
|
|
self.reportQuery.statusIds?.append(status.id)
|
||
|
|
}
|
||
|
|
|
||
|
|
snapshot.reloadItems([item])
|
||
|
|
self.diffableDataSource?.apply(snapshot, animatingDifferences: false)
|
||
|
|
|
||
|
|
let continueEnable = self.selectedItems.count > 0
|
||
|
|
self.continueEnableSubject.send(continueEnable)
|
||
|
|
}
|
||
|
|
.store(in: &disposeBag)
|
||
|
|
|
||
|
|
input.comment.assign(
|
||
|
|
to: \.comment,
|
||
|
|
on: self
|
||
|
|
)
|
||
|
|
.store(in: &disposeBag)
|
||
|
|
input.comment.sink { [weak self] (comment) in
|
||
|
|
guard let self = self else { return }
|
||
|
|
let sendEnable = (comment?.length ?? 0) > 0
|
||
|
|
self.sendEnableSubject.send(sendEnable)
|
||
|
|
}
|
||
|
|
.store(in: &disposeBag)
|
||
|
|
}
|
||
|
|
|
||
|
|
func bindForStep1(input: Input) {
|
||
|
|
let skip = input.step1Skip.map { [weak self] value -> Void in
|
||
|
|
guard let self = self else { return value }
|
||
|
|
self.selectedItems.removeAll()
|
||
|
|
return value
|
||
|
|
}
|
||
|
|
|
||
|
|
Publishers.Merge(skip, input.step1Continue)
|
||
|
|
.sink { [weak self] _ in
|
||
|
|
self?.currentStep.value = .two
|
||
|
|
self?.sendEnableSubject.send(false)
|
||
|
|
}
|
||
|
|
.store(in: &disposeBag)
|
||
|
|
}
|
||
|
|
|
||
|
|
func bindForStep2(input: Input, domain: String, activeMastodonAuthenticationBox: AuthenticationService.MastodonAuthenticationBox) {
|
||
|
|
let skip = input.step2Skip.map { [weak self] value -> Void in
|
||
|
|
guard let self = self else { return value }
|
||
|
|
self.comment = nil
|
||
|
|
return value
|
||
|
|
}
|
||
|
|
|
||
|
|
Publishers.Merge(skip, input.step2Continue)
|
||
|
|
.sink { [weak self] _ in
|
||
|
|
guard let self = self else { return }
|
||
|
|
let managedObjectContext = self.statusFetchedResultsController.fetchedResultsController.managedObjectContext
|
||
|
|
|
||
|
|
self.reportQuery.comment = self.comment
|
||
|
|
|
||
|
|
var selectedStatusIds = [String]()
|
||
|
|
self.selectedItems.forEach { (item) in
|
||
|
|
guard case .status(let objectId, _) = item else {
|
||
|
|
return
|
||
|
|
}
|
||
|
|
guard let status = managedObjectContext.object(with: objectId) as? Status else {
|
||
|
|
return
|
||
|
|
}
|
||
|
|
selectedStatusIds.append(status.id)
|
||
|
|
}
|
||
|
|
self.reportQuery.statusIds = selectedStatusIds
|
||
|
|
|
||
|
|
self.context.apiService.report(
|
||
|
|
domain: domain,
|
||
|
|
query: self.reportQuery,
|
||
|
|
mastodonAuthenticationBox: activeMastodonAuthenticationBox
|
||
|
|
)
|
||
|
|
.sink { [weak self](data) in
|
||
|
|
switch data {
|
||
|
|
case .failure(let error):
|
||
|
|
os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s: fail to file a report : %s", ((#file as NSString).lastPathComponent), #line, #function, error.localizedDescription)
|
||
|
|
|
||
|
|
let alertController = UIAlertController(for: error, title: nil, preferredStyle: .alert)
|
||
|
|
let okAction = UIAlertAction(title: "OK", style: .default, handler: nil)
|
||
|
|
alertController.addAction(okAction)
|
||
|
|
self?.coordinator.present(
|
||
|
|
scene: .alertController(alertController: alertController),
|
||
|
|
from: nil,
|
||
|
|
transition: .alertController(animated: true, completion: nil)
|
||
|
|
)
|
||
|
|
case .finished:
|
||
|
|
self?.reportSuccess.send()
|
||
|
|
}
|
||
|
|
|
||
|
|
} receiveValue: { (data) in
|
||
|
|
}
|
||
|
|
.store(in: &self.disposeBag)
|
||
|
|
}
|
||
|
|
.store(in: &disposeBag)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
extension ReportViewModel: ReportedStatusTableViewCellDelegate {
|
||
|
|
func reportedStatus(cell: ReportedStatusTableViewCell, isSelected indexPath: IndexPath) -> Bool {
|
||
|
|
guard let item = diffableDataSource?.itemIdentifier(for: indexPath) else {
|
||
|
|
return false
|
||
|
|
}
|
||
|
|
|
||
|
|
return selectedItems.contains(item)
|
||
|
|
}
|
||
|
|
}
|