65 lines
2 KiB
Swift
65 lines
2 KiB
Swift
import Foundation
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import CryptoKit
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func topicUrl(baseUrl: String, topic: String) -> String {
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return "\(normalizeBaseUrl(baseUrl))/\(topic)"
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}
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func topicShortUrl(baseUrl: String, topic: String) -> String {
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return shortUrl(url: topicUrl(baseUrl: baseUrl, topic: topic))
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}
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func topicAuthUrl(baseUrl: String, topic: String) -> String {
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return "\(normalizeBaseUrl(baseUrl))/\(topic)/auth"
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}
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func topicHash(baseUrl: String, topic: String) -> String {
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let data = Data(topicUrl(baseUrl: normalizeBaseUrl(baseUrl), topic: topic).utf8)
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let digest = SHA256.hash(data: data)
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return digest.compactMap { String(format: "%02x", $0)}.joined()
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}
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func firebaseTopic(baseUrl: String, topic: String) -> String {
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return normalizeBaseUrl(baseUrl) == normalizeBaseUrl(Config.appBaseUrl)
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? topic
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: topicHash(baseUrl: baseUrl, topic: topic)
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}
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func normalizeBaseUrl(_ baseUrl: String) -> String {
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var normalized = baseUrl.trimmingCharacters(in: .whitespacesAndNewlines)
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while normalized.hasSuffix("/") {
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normalized.removeLast()
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}
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return normalized
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}
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func shortUrl(url: String) -> String {
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return url
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.replacingOccurrences(of: "http://", with: "")
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.replacingOccurrences(of: "https://", with: "")
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}
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func parseAllTags(_ tags: String?) -> [String] {
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return (tags?.components(separatedBy: ",") ?? [])
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.filter { !$0.trimmingCharacters(in: .whitespaces).isEmpty }
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}
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func parseEmojiTags(_ tags: String?) -> [String] {
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return parseEmojiTags(parseAllTags(tags))
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}
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func parseEmojiTags(_ tags: [String]?) -> [String] {
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guard let tags = tags else { return [] }
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var emojiTags: [String] = []
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for tag in tags {
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if let emoji = EmojiManager.shared.getEmojiByAlias(alias: tag) {
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emojiTags.append(emoji.getUnicode())
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}
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}
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return emojiTags
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}
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func parseNonEmojiTags(_ tags: String?) -> [String] {
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return parseAllTags(tags)
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.filter { EmojiManager.shared.getEmojiByAlias(alias: $0) == nil }
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}
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