mastodon-ios/MastodonSDK/Sources/MastodonSDK/Response/Mastodon+Response+Content.s...

80 lines
2.4 KiB
Swift

//
// Mastodon+Response+Content.swift
//
//
// Created by MainasuK Cirno on 2021/1/27.
//
import Foundation
extension Mastodon.Response {
public struct Content<T> {
// entity
public let value: T
// standard fields
public let date: Date?
// application fields
public let rateLimit: RateLimit?
public let responseTime: Int?
public var networkDate: Date {
return date ?? Date()
}
public init(value: T, response: URLResponse) {
self.value = value
self.date = {
guard let string = (response as? HTTPURLResponse)?.value(forHTTPHeaderField: "date") else { return nil }
return Mastodon.API.httpHeaderDateFormatter.date(from: string)
}()
self.rateLimit = RateLimit(response: response)
self.responseTime = {
guard let string = (response as? HTTPURLResponse)?.value(forHTTPHeaderField: "x-response-time") else { return nil }
return Int(string)
}()
}
}
}
extension Mastodon.Response.Content {
public struct RateLimit {
public let limit: Int
public let remaining: Int
public let reset: Date
public init(limit: Int, remaining: Int, reset: Date) {
self.limit = limit
self.remaining = remaining
self.reset = reset
}
public init?(response: URLResponse) {
guard let response = response as? HTTPURLResponse else {
return nil
}
guard let limitString = response.value(forHTTPHeaderField: "X-RateLimit-Limit"),
let limit = Int(limitString),
let remainingString = response.value(forHTTPHeaderField: "X-RateLimit-Remaining"),
let remaining = Int(remainingString) else {
return nil
}
guard let resetTimestampString = response.value(forHTTPHeaderField: "X-RateLimit-Reset"),
let reset = Mastodon.API.httpHeaderDateFormatter.date(from: resetTimestampString) else {
return nil
}
self.init(limit: limit, remaining: remaining, reset: reset)
}
}
}