Refactoring LoopDataManager prediction calculation (#449)

Author: ps2

Loop/Managers/DiagnosticLogger+LoopKit.swift

@@ -25,54 +25,4 @@ extension DiagnosticLogger {
     func addError(_ message: Error, fromSource source: String) {
         addError(String(describing: message), fromSource: source)
     }
-
-    func addLoopStatus(startDate: Date, endDate: Date, glucose: GlucoseValue, effects: [String: [GlucoseEffect]], error: Error?, prediction: [GlucoseValue], predictionWithRetrospectiveEffect: Double, eventualBGWithRetrospectiveEffect: Double, eventualBGWithoutMomentum: Double, recommendedTempBasal: LoopDataManager.TempBasalRecommendation?) {
-
-        let dateFormatter = DateFormatter.ISO8601StrictDateFormatter()
-        let unit = HKUnit.milligramsPerDeciliterUnit()
-
-        var message: [String: Any] = [
-            "startDate": dateFormatter.string(from: startDate),
-            "duration": endDate.timeIntervalSince(startDate),
-            "glucose": [
-                "startDate": dateFormatter.string(from: glucose.startDate),
-                "value": glucose.quantity.doubleValue(for: unit),
-                "unit": unit.unitString
-            ],
-            "input": effects.reduce([:], { (previous, item) -> [String: Any] in
-                var input = previous
-                input[item.0] = item.1.map {
-                    [
-                        "startDate": dateFormatter.string(from: $0.startDate),
-                        "value": $0.quantity.doubleValue(for: unit),
-                        "unit": unit.unitString
-                    ]
-                }
-                return input
-            }),
-            "prediction": prediction.map { (value) -> [String: Any] in
-                [
-                    "startDate": dateFormatter.string(from: value.startDate),
-                    "value": value.quantity.doubleValue(for: unit),
-                    "unit": unit.unitString
-                ]
-            },
-            "prediction_retrospect_delta": predictionWithRetrospectiveEffect,
-            "eventualBGWithRetrospectiveEffect": eventualBGWithRetrospectiveEffect,
-            "eventualBGWithoutMomentum": eventualBGWithoutMomentum
-        ]
-
-        if let error = error {
-            message["error"] = String(describing: error)
-        }
-
-        if let recommendedTempBasal = recommendedTempBasal {
-            message["recommendedTempBasal"] = [
-                "rate": recommendedTempBasal.rate,
-                "minutes": recommendedTempBasal.duration.minutes
-            ]
-        }
-
-        addMessage(message, toCollection: "loop")
-    }
 }