119 lines
2.9 KiB
Swift
119 lines
2.9 KiB
Swift
import Foundation
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enum StanzaType: Codable & Equatable {
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enum IqType: String, Codable & Equatable {
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case get
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case set
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case result
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case error
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}
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enum MessageType: String, Codable & Equatable {
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case chat
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case groupchat
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case headline
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case normal
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case error
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case none
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}
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enum PresenceType: String, Codable & Equatable {
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case subscribe
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case unsubscribe
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case subscribed
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case unsubscribed
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}
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case iq(IqType)
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case message(MessageType)
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case presense(PresenceType)
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// Should never appear
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case unknown
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}
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struct Stanza {
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let wrapped: XMLElement
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init?(wrap: XMLElement) {
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guard ["iq", "message", "presence"].contains(wrap.name) else { return nil }
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wrapped = wrap
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}
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var type: StanzaType {
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switch wrapped.name {
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case "iq":
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if let type = StanzaType.IqType(rawValue: wrapped.attributes["type"] ?? "") {
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return .iq(type)
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} else {
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warn()
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return .unknown
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}
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case "message":
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let type = StanzaType.MessageType(rawValue: wrapped.attributes["type"] ?? "none") ?? .none
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return .message(type)
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case "presence":
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if let type = StanzaType.PresenceType(rawValue: wrapped.attributes["type"] ?? "") {
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return .presense(type)
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} else {
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warn()
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return .unknown
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}
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default:
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warn()
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return .unknown
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}
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}
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var id: String? {
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wrapped.attributes["id"]
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}
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}
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// MARK: Init IQ Stanza
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extension Stanza {
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static func iqGet(payload: XMLElement) -> Stanza? {
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buildIq(direction: "get", from: nil, to: nil, payload: payload)
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}
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static func iqGet(from: String, payload: XMLElement) -> Stanza? {
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buildIq(direction: "get", from: from, to: nil, payload: payload)
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}
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static func iqSet(payload: XMLElement) -> Stanza? {
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buildIq(direction: "set", from: nil, to: nil, payload: payload)
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}
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static func iqSet(from: String, payload: XMLElement) -> Stanza? {
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buildIq(direction: "set", from: from, to: nil, payload: payload)
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}
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// build iq stanza
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private static func buildIq(direction: String, from: String?, to: String?, payload: XMLElement) -> Stanza? {
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var attributes = ["id": XMLElement.randomId, "type": direction]
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if let from {
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attributes["from"] = from
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}
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if let to {
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attributes["to"] = to
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}
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let req = XMLElement(
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name: "iq",
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xmlns: nil,
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attributes: attributes,
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content: nil,
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nodes: [payload]
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)
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return Stanza(wrap: req)
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}
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}
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private extension Stanza {
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func warn() {
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print("Something went wrong! with \(wrapped.stringRepresentation.prettyStr)")
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}
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}
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