53 lines
1.6 KiB
Swift
53 lines
1.6 KiB
Swift
import Foundation
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import RxDataSources
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import SwiftDate
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protocol Dated {
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var date: Date { get }
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}
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extension Vehicle: Dated {
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var date: Date {
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if let lastEventDate = self.events.max(by: { $0.date < $1.date })?.date {
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let ts = max(self.addedDate/1000, lastEventDate)
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return Date(timeIntervalSince1970: ts)
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} else {
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return Date(timeIntervalSince1970: self.addedDate/1000)
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}
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}
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}
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extension AudioRecord: Dated {
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var date: Date {
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Date(timeIntervalSince1970: self.addedDate)
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}
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}
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extension RandomAccessCollection where Element: Dated & IdentifiableType & Equatable {
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func groupedByDate() -> [DateSection<Element>] {
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let now = Date()
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let monthStart = now.dateAtStartOf(.month)
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var sections: [TimeInterval: [Element]] = [:]
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for vehicle in self {
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let date = vehicle.date
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var key = date.dateAtStartOf(.day).timeIntervalSince1970
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if date.isBeforeDate(monthStart, orEqual: false, granularity: .day) {
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key = date.dateAtStartOf(.month).timeIntervalSince1970
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}
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if sections[key] == nil {
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sections[key] = [vehicle]
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} else {
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sections[key]?.append(vehicle)
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}
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}
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var sectionsArray: [DateSection<Element>] = []
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for (timestamp, vehicles) in sections {
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sectionsArray.append(DateSection<Element>(timestamp: timestamp, items: vehicles))
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}
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return sectionsArray.sorted { $0.timestamp > $1.timestamp }
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}
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}
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