forked from zelo72/mastodon-ios
109 lines
3.9 KiB
Swift
109 lines
3.9 KiB
Swift
//
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// PollOptionView+Configuration.swift
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//
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//
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// Created by MainasuK on 2022-1-12.
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//
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import UIKit
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import Combine
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import CoreDataStack
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import MetaTextKit
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import MastodonUI
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extension PollOptionView {
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public func configure(pollOption option: PollOption) {
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viewModel.objects.insert(option)
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// background
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ThemeService.shared.currentTheme
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.receive(on: DispatchQueue.main)
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.sink { [weak self] theme in
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guard let self = self else { return }
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self.viewModel.roundedBackgroundViewColor = theme.systemElevatedBackgroundColor
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}
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.store(in: &disposeBag)
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// metaContent
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option.publisher(for: \.title)
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.map { title -> MetaContent? in
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return PlaintextMetaContent(string: title)
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}
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.assign(to: \.metaContent, on: viewModel)
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.store(in: &disposeBag)
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// percentage
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Publishers.CombineLatest(
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option.poll.publisher(for: \.votesCount),
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option.publisher(for: \.votesCount)
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)
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.map { pollVotesCount, optionVotesCount -> Double? in
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guard pollVotesCount > 0, optionVotesCount >= 0 else { return 0 }
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return Double(optionVotesCount) / Double(pollVotesCount)
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}
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.assign(to: \.percentage, on: viewModel)
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.store(in: &disposeBag)
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// $isExpire
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option.poll.publisher(for: \.expired)
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.assign(to: \.isExpire, on: viewModel)
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.store(in: &disposeBag)
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// isMultiple
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viewModel.isMultiple = option.poll.multiple
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let optionIndex = option.index
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let authorDomain = option.poll.status.author.domain
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let authorID = option.poll.status.author.id
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// isSelect, isPollVoted, isMyPoll
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Publishers.CombineLatest4(
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option.publisher(for: \.poll),
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option.publisher(for: \.votedBy),
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option.publisher(for: \.isSelected),
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viewModel.$userIdentifier
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)
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.sink { [weak self] poll, optionVotedBy, isSelected, userIdentifier in
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guard let self = self else { return }
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let domain = userIdentifier?.domain ?? ""
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let userID = userIdentifier?.userID ?? ""
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let options = poll.options
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let pollVoteBy = poll.votedBy ?? Set()
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let isMyPoll = authorDomain == domain
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&& authorID == userID
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let votedOptions = options.filter { option in
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let votedBy = option.votedBy ?? Set()
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return votedBy.contains(where: { $0.id == userID && $0.domain == domain })
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}
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let isRemoteVotedOption = votedOptions.contains(where: { $0.index == optionIndex })
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let isRemoteVotedPoll = pollVoteBy.contains(where: { $0.id == userID && $0.domain == domain })
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let isLocalVotedOption = isSelected
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let isSelect: Bool? = {
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if isLocalVotedOption {
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return true
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} else if !votedOptions.isEmpty {
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return isRemoteVotedOption ? true : false
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} else if isRemoteVotedPoll, votedOptions.isEmpty {
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// the poll voted. But server not mark voted options
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return nil
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} else {
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return false
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}
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}()
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self.viewModel.isSelect = isSelect
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self.viewModel.isPollVoted = isRemoteVotedPoll
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self.viewModel.isMyPoll = isMyPoll
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}
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.store(in: &disposeBag)
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// appearance
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ThemeService.shared.currentTheme
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.receive(on: DispatchQueue.main)
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.sink { [weak self] theme in
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guard let self = self else { return }
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self.checkmarkBackgroundView.backgroundColor = theme.tertiarySystemBackgroundColor
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}
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.store(in: &disposeBag)
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}
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}
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