119 lines
3.7 KiB
Swift
119 lines
3.7 KiB
Swift
//
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// ProfileHeaderViewModel.swift
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// Mastodon
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//
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// Created by MainasuK Cirno on 2021-4-9.
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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 Kanna
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import MastodonSDK
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import MastodonMeta
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import MastodonCore
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import MastodonUI
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final class ProfileHeaderViewModel {
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static let avatarImageMaxSizeInPixel = CGSize(width: 400, height: 400)
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static let bannerImageMaxSizeInPixel = CGSize(width: 1500, height: 500)
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static let maxProfileFieldCount = 4
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var disposeBag = Set<AnyCancellable>()
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// input
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let context: AppContext
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let authContext: AuthContext
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@Published var me: Mastodon.Entity.Account
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@Published var account: Mastodon.Entity.Account
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@Published var relationship: Mastodon.Entity.Relationship?
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@Published var isMyself = false
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@Published var isEditing = false
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@Published var isUpdating = false
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@Published var accountForEdit: Mastodon.Entity.Account?
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// let needsFiledCollectionViewHidden = CurrentValueSubject<Bool, Never>(false)
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// output
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let profileInfo = ProfileInfo()
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let profileInfoEditing = ProfileInfo()
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@Published var isTitleViewDisplaying = false
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@Published var isTitleViewContentOffsetSet = false
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init(context: AppContext, authContext: AuthContext, account: Mastodon.Entity.Account, me: Mastodon.Entity.Account, relationship: Mastodon.Entity.Relationship?) {
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self.context = context
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self.authContext = authContext
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self.account = account
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self.me = me
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self.relationship = relationship
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$accountForEdit
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.receive(on: DispatchQueue.main)
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.sink { [weak self] account in
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guard let self = self else { return }
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guard let account = account else { return }
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// banner
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self.profileInfo.header = nil
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self.profileInfoEditing.header = nil
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// avatar
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self.profileInfo.avatar = nil
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self.profileInfoEditing.avatar = nil
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// name
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let name = account.displayNameWithFallback
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self.profileInfo.name = name
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self.profileInfoEditing.name = name
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// bio
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let note = ProfileHeaderViewModel.normalize(note: account.note)
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self.profileInfo.note = note
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self.profileInfoEditing.note = note
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}
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.store(in: &disposeBag)
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}
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}
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extension ProfileHeaderViewModel {
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class ProfileInfo {
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// input
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@Published var header: UIImage?
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@Published var avatar: UIImage?
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@Published var name: String?
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@Published var note: String?
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}
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}
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extension ProfileHeaderViewModel {
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static func normalize(note: String?) -> String? {
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let _note = note?.replacingOccurrences(of: "<br>|<br />", with: "\u{2028}", options: .regularExpression, range: nil)
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.replacingOccurrences(of: "</p>", with: "</p>\u{2029}", range: nil)
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.trimmingCharacters(in: .whitespacesAndNewlines)
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guard let note = _note, !note.isEmpty else {
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return nil
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}
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let html = try? HTML(html: note, encoding: .utf8)
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return html?.text
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}
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}
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// MARK: - ProfileViewModelEditable
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extension ProfileHeaderViewModel: ProfileViewModelEditable {
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var isEdited: Bool {
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guard isEditing else { return false }
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guard profileInfoEditing.header == nil else { return true }
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guard profileInfoEditing.avatar == nil else { return true }
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guard profileInfo.name == profileInfoEditing.name else { return true }
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guard profileInfo.note == profileInfoEditing.note else { return true }
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return false
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}
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}
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