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support failable decodable for chat
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Sources/bskyKit/Models/Chat.swift
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Sources/bskyKit/Models/Chat.swift
···
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import Foundation
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// MARK: - Fault-Tolerant Decoding
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private struct FailableDecodable<T: Decodable & Sendable>: Decodable, Sendable {
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let value: T?
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init(from decoder: Decoder) throws {
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value = try? T(from: decoder)
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}
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}
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/// Response from chat.bsky.convo.listConvos
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public struct ConvoListResponse: Codable, Sendable {
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public let convos: [ConvoView]
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public let cursor: String?
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enum CodingKeys: String, CodingKey {
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case convos, cursor
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}
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public init(from decoder: Decoder) throws {
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let container = try decoder.container(keyedBy: CodingKeys.self)
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cursor = try container.decodeIfPresent(String.self, forKey: .cursor)
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let failableConvos = try container.decode([FailableDecodable<ConvoView>].self, forKey: .convos)
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convos = failableConvos.compactMap(\.value)
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}
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}
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/// A conversation view
···
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public let lastMessage: ChatMessageUnion?
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public let muted: Bool
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public let unreadCount: Int
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public let status: String?
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}
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/// Union type for messages
···
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switch type {
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case "chat.bsky.convo.defs#messageView":
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self = .message(try ChatMessageView(from: decoder))
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if let message = try? ChatMessageView(from: decoder) {
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self = .message(message)
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} else {
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self = .unknown
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}
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case "chat.bsky.convo.defs#deletedMessageView":
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self = .deleted(try DeletedMessageView(from: decoder))
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if let deleted = try? DeletedMessageView(from: decoder) {
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self = .deleted(deleted)
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} else {
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self = .unknown
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}
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default:
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self = .unknown
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}
···
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public struct ChatMessagesResponse: Codable, Sendable {
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public let messages: [ChatMessageUnion]
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public let cursor: String?
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enum CodingKeys: String, CodingKey {
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case messages, cursor
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}
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public init(from decoder: Decoder) throws {
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let container = try decoder.container(keyedBy: CodingKeys.self)
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cursor = try container.decodeIfPresent(String.self, forKey: .cursor)
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let failableMessages = try container.decode([FailableDecodable<ChatMessageUnion>].self, forKey: .messages)
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messages = failableMessages.compactMap(\.value)
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}
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}
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/// Response from chat.bsky.convo.sendMessage