add result classification

- add result classification
	- add sample start command for positive confirmation
	- remove toast on result screen

app/src/main/java/com/example/hpostesting/data/model/patient/HemoCubeTestData.kt

@@ -27,5 +27,6 @@ data class HemoCubeTestData(
     var led1Average: Double? = null,
     var led2Average: Double? = null,
     var deviceRatio: Double? = null,
-    var calculatedRatio: Double? = null
+    var calculatedRatio: Double? = null,
+    var classificationResult: String = ""
 )

app/src/main/java/com/example/hpostesting/presentation/hemocube/HemoCubeFragment.kt

@@ -104,8 +104,6 @@ class HemoCubeFragment : Fragment() {
 
         hemoCubeViewModel.deviceData.observe(viewLifecycleOwner) {
             currentDeviceData = it
-            showToast(calculateRatio(0.17).toString())
-
         }
 
         hemoCubeViewModel.networkStatusLiveData.observe(viewLifecycleOwner) { isNetworkAvailable ->
@@ -115,7 +113,7 @@ class HemoCubeFragment : Fragment() {
                         val coefficient1 = coefficients[0]
                         val coefficient2 = coefficients[1]
                         val result = coefficient1 * coefficient2
-                        showToast("Result: $result")
+                        showToast("coefficients: $coefficient1, $coefficient2")
                     }
                 }
                 isOnline = isNetworkAvailable
@@ -279,7 +277,8 @@ class HemoCubeFragment : Fragment() {
                     override fun onClickNegativeButton() {}
 
                     override fun onClickPositiveButton() {
-
+                        listenToHemoCube()
+                        startSampleProcess()
                     }
                 })
         }
@@ -316,6 +315,7 @@ class HemoCubeFragment : Fragment() {
                 this.led2Average = led2Average
                 this.deviceRatio = deviceRatio
                 this.calculatedRatio = calculateRatio(deviceRatio)
+                this.classificationResult = findResult(calculatedRatio)
                 this.resultData = fullReadOutput
                 if (!isBufferValueAvailable()) {
                     with(sharedPreferences.edit()) {
@@ -331,6 +331,33 @@ class HemoCubeFragment : Fragment() {
         }
     }
 
+    private fun findResult(calculatedRatio: Double?): String {
+        try {
+            if (calculatedRatio != null) {
+                if (calculatedRatio < 0.085)
+                    return "Inconclusive. Very low Absorbance - Repeat test with Higher Blood Volume"
+                if (calculatedRatio in 0.085 .. 0.155)
+                    return "Normal"
+                if (calculatedRatio in 0.155 ..  0.175)
+                    return "Negative Borderline. Repeat Test"
+                if (calculatedRatio in 0.175 .. 0.22)
+                    return "Sickle Cell Trait"
+                if (calculatedRatio in 0.22 .. 0.25)
+                    return "Positive for Sickle Cell. HPLC for Confirmation"
+                if (calculatedRatio in 0.25 .. 0.35)
+                    return "Sickle Cell Disease"
+                if (calculatedRatio > 0.35)
+                    return "Inconclusive. Repeat with test with lower volume of blood"
+            } else {
+                return "NULL"
+            }
+        } catch (_: Exception) {
+            showToast("error while performing classification")
+            return "ERROR"
+        }
+        return "NULL"
+    }
+
     private fun showToast(message: String) {
         Toast.makeText(requireContext(), message, Toast.LENGTH_SHORT).show()
     }

app/src/main/java/com/example/hpostesting/presentation/hemocube/HemoCubeViewModel.kt

@@ -85,6 +85,7 @@ class HemoCubeViewModel @Inject constructor(
         testDetails?.led2Average = DataHolder.hemoCubeTestData?.led2Average
         testDetails?.deviceRatio = DataHolder.hemoCubeTestData?.deviceRatio
         testDetails?.calculatedRatio = DataHolder.hemoCubeTestData?.calculatedRatio
+        testDetails?.classificationResult = DataHolder.hemoCubeTestData?.classificationResult!!
 
         viewModelScope.launch {
             try {