61 lines
2.3 KiB
Swift
61 lines
2.3 KiB
Swift
//
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// MastodonServerRulesViewModel.swift
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// Mastodon
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//
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// Created by MainasuK Cirno on 2021-2-22.
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//
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import UIKit
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import Combine
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import MastodonSDK
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final class MastodonServerRulesViewModel {
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// input
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let domain: String
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let authenticateInfo: AuthenticationViewModel.AuthenticateInfo
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let rules: [Mastodon.Entity.Instance.Rule]
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let instance: Mastodon.Entity.Instance
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let applicationToken: Mastodon.Entity.Token
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// output
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var diffableDataSource: UITableViewDiffableDataSource<ServerRuleSection, ServerRuleItem>?
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init(
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domain: String,
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authenticateInfo: AuthenticationViewModel.AuthenticateInfo,
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rules: [Mastodon.Entity.Instance.Rule],
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instance: Mastodon.Entity.Instance,
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applicationToken: Mastodon.Entity.Token
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) {
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self.domain = domain
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self.authenticateInfo = authenticateInfo
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self.rules = rules
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self.instance = instance
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self.applicationToken = applicationToken
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}
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var rulesAttributedString: NSAttributedString {
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let attributedString = NSMutableAttributedString(string: "\n")
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let configuration = UIImage.SymbolConfiguration(font: .preferredFont(forTextStyle: .title3))
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let separatorString = Array(repeating: " ", count: 4).joined()
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for (i, rule) in rules.enumerated() {
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guard i < 50 else {
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return NSAttributedString(string: "\(i)" + separatorString + rule.text.trimmingCharacters(in: .whitespacesAndNewlines) + "\n\n")
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}
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let imageName = String(i + 1) + ".circle.fill"
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let image = UIImage(systemName: imageName, withConfiguration: configuration)!
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let attachment = NSTextAttachment()
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attachment.image = image.withTintColor(Asset.Colors.Label.primary.color)
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let imageAttribute = NSMutableAttributedString(attachment: attachment)
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imageAttribute.addAttributes([NSAttributedString.Key.baselineOffset : -1.5], range: NSRange(location: 0, length: imageAttribute.length))
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let ruleString = NSAttributedString(string: separatorString + rule.text.trimmingCharacters(in: .whitespacesAndNewlines) + "\n\n")
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attributedString.append(imageAttribute)
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attributedString.append(ruleString)
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}
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return attributedString
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}
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}
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