63 lines
1.4 KiB
Swift
63 lines
1.4 KiB
Swift
//
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// Attachment.swift
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// DataModel
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//
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// Created by Brent Simmons on 7/1/17.
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// Copyright © 2017 Ranchero Software, LLC. All rights reserved.
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//
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import Foundation
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public struct Attachment: Hashable {
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public let attachmentID: String // Calculated
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public let url: String
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public let mimeType: String?
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public let title: String?
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public let sizeInBytes: Int?
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public let durationInSeconds: Int?
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public let hashValue: Int
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public init(attachmentID: String?, url: String, mimeType: String?, title: String?, sizeInBytes: Int?, durationInSeconds: Int?) {
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self.url = url
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self.mimeType = mimeType
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self.title = title
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if let sizeInBytes = sizeInBytes, sizeInBytes > 0 {
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self.sizeInBytes = sizeInBytes
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}
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else {
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self.sizeInBytes = nil
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}
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if let durationInSeconds = durationInSeconds, durationInSeconds > 0 {
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self.durationInSeconds = durationInSeconds
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}
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else {
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self.durationInSeconds = nil
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}
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var s = url
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s += mimeType ?? ""
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s += title ?? ""
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if let sizeInBytes = sizeInBytes {
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s += "\(sizeInBytes)"
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}
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if let durationInSeconds = durationInSeconds {
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s += "\(durationInSeconds)"
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}
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self.hashValue = s.hashValue
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if let attachmentID = attachmentID {
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self.attachmentID = attachmentID
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}
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else {
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self.attachmentID = databaseIDWithString(s)
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}
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}
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public static func ==(lhs: Attachment, rhs: Attachment) -> Bool {
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return lhs.hashValue == rhs.hashValue && lhs.attachmentID == rhs.attachmentID
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}
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}
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