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Round to supported rate before setting temp basal rate #16

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Round to supported rate before setting temp basal rate #16

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13 changes: 10 additions & 3 deletions MinimedKit/PumpManager/MinimedPumpManager.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -941,6 +941,10 @@ extension MinimedPumpManager: PumpManager {
return state.pumpModel.supportedBasalRates
}

public func roundToSupportedBasalRate(unitsPerHour: Double) -> Double {
return supportedBasalRates.last(where: { $0 <= unitsPerHour }) ?? 0
}

public var supportedBolusVolumes: [Double] {
return state.pumpModel.supportedBolusVolumes
}
Expand Down Expand Up @@ -1321,13 +1325,16 @@ extension MinimedPumpManager: PumpManager {

self.recents.tempBasalEngageState = .engaging

let result = session.setTempBasal(unitsPerHour, duration: duration)

// Round to nearest supported rate
let rate = self.roundToSupportedBasalRate(unitsPerHour: unitsPerHour)

let result = session.setTempBasal(rate, duration: duration)

switch result {
case .success:
let now = self.dateGenerator()

let dose = UnfinalizedDose(tempBasalRate: unitsPerHour, startTime: now, duration: duration, insulinType: insulinType, automatic: true)
let dose = UnfinalizedDose(tempBasalRate: rate, startTime: now, duration: duration, insulinType: insulinType, automatic: true)

self.recents.tempBasalEngageState = .stable

Expand Down