50 lines
1.4 KiB
Swift
50 lines
1.4 KiB
Swift
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import Foundation
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/// The physical range band a user is open to connecting within.
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///
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/// Each tier maps to a different sensing technology. The tiers are ordered so
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/// higher tiers *include* lower ones (being open "in the area" also means
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/// you're open "nearby" and "right here").
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enum DistanceTier: Int, CaseIterable, Identifiable, Codable {
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/// 0–9 m. Ultra-wideband (Nearby Interaction). "This exact person."
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case rightHere = 1
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/// 10–100 m. Bluetooth Low Energy / iBeacon. "This room, this block."
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case nearby = 2
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/// 100 m–50 mi. Server-relayed, opt-in coarse location. "This neighborhood."
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case inTheArea = 3
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var id: Int { rawValue }
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var title: String {
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switch self {
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case .rightHere: return "Right Here"
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case .nearby: return "Nearby"
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case .inTheArea: return "In the Area"
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}
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}
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var subtitle: String {
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switch self {
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case .rightHere: return "0–9 m · UWB"
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case .nearby: return "10–100 m · BLE"
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case .inTheArea: return "100 m–50 mi · Network"
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}
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}
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/// The primary engine used for this tier.
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var engine: ProximityEngine {
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switch self {
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case .rightHere: return .uwb
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case .nearby: return .ble
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case .inTheArea: return .beacon
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}
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}
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/// Higher tiers include lower ones.
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func includes(_ other: DistanceTier) -> Bool {
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self.rawValue >= other.rawValue
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}
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}
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