check deoxygenation and classify with abs

app/src/main/java/com/example/hpostesting/data/constant/Constants.kt

@@ -77,4 +77,19 @@ object Constants {
 
     const val BUFFER_LED_LOWER_BOUND = 21000
     const val BUFFER_LED_UPPER_BOUND = 24500
+
+    val DEVICE_CONFIGURATION: Map<String, List<List<Double>>> = mapOf<String, List<List<Double>>>(
+        "HCV-000-3001" to listOf(
+            listOf(1.264817, -0.85965),     // LED1
+            listOf(0.581462456, -0.58502),  // LED2
+            listOf(0.184991, 0.184991),     // LED3
+            listOf(1.0, 0.0)                // LED4
+        ),
+        "HCV-000-3002" to listOf(
+            listOf(1.264817, -0.85965),     // LED1
+            listOf(0.581462456, -0.58502),  // LED2
+            listOf(0.184991, 0.184991),     // LED3
+            listOf(1.0, 0.0)                // LED4
+        ),
+    )
 }

app/src/main/java/com/example/hpostesting/data/dao/MyDataBase.kt

@@ -11,7 +11,7 @@ import com.example.hpostesting.data.model.patient.HemoCubeTestData
 import com.google.android.datatransport.runtime.dagger.Provides
 import javax.inject.Singleton
 
-@Database(entities = [UserData::class, HemoCubeTestData::class, DeviceData::class], version = 5, exportSchema = false)
+@Database(entities = [UserData::class, HemoCubeTestData::class, DeviceData::class], version = 8, exportSchema = false)
 @TypeConverters(Converters::class)
 abstract class MyDatabase : RoomDatabase() {
     abstract fun userDao(): UserDao

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

@@ -36,8 +36,14 @@ data class HemoCubeTestData(
     var led2Average: Double? = null,
     var led3Average: Double? = null,
     var led4Average: Double? = null,
+    var abs1: Double? = null,
+    var abs2: Double? = null,
+    var abs3: Double? = null,
+    var abs4: Double? = null,
     var deviceRatio: Double? = null,
     var calculatedRatio: Double? = null,
+    var predictedDenovixRatio: Double? = null,
     var coefficients: String? = "",
-    var classificationResult: String = ""
+    var classificationResult: String = "",
+    var prdClassification: String = "",
 )

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

@@ -49,7 +49,13 @@ class HemoCubeFragment : Fragment() {
     private var led2SampleForDevice = 0.0
     private var led3SampleForDevice = 0.0
     private var led4SampleForDevice = 0.0
+    private var fittedAbs1 = 0.0
+    private var fittedAbs2 = 0.0
+    private var fittedAbs3 = 0.0
+    private var fittedAbs4 = 0.0
+    private var _predictedDenovixRatio = 0.0
     private var validationError = false
+    private var deviceHardwareId = ""
 
     override fun onCreateView(
         inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?,
@@ -285,6 +291,7 @@ class HemoCubeFragment : Fragment() {
                 val slData = stringData.split(" ")
                 if (slData.size > 1) {
                     val hardwareId = slData[1].trim()
+                    deviceHardwareId = hardwareId
                     with(sharedPreferences.edit()) {
                         putString(Constants.DEVICE_ID, hardwareId)
                         apply()
@@ -321,8 +328,10 @@ class HemoCubeFragment : Fragment() {
             }
 
             resultData.contains("REND") -> {
-                hemoCubeViewModel.messages.postValue("Data collected \n" +
+                hemoCubeViewModel.messages.postValue(
-                        " Processing data")
+                    "Data collected \n" +
+                            " Processing data"
+                )
                 val resultLines = resultData.split("\\s+(?=LB|LS)".toRegex())
                 var bufferIntensity = resultLines[1].split(' ')[1].trim()
                 led1BufferForDevice = if (isUsingExistingBuffer) {
@@ -408,14 +417,6 @@ class HemoCubeFragment : Fragment() {
             val led4Average = log10(led4BufferForDevice?.div(led4SampleForDevice!!) ?: 0.0)
             val deviceRatio = led3Average / led1Average
 
-            if (led1Average < 0 || led2Average < 0 || led3Average < 0 || led4Average < 0) {
-                validationError = true
-                activity?.runOnUiThread {
-                    binding.errorMessage.text = "Error: Negative Abs. Retake Blank Reading"
-                    binding.errorMessage.visibility = View.VISIBLE
-                }
-            }
-
             if (led1BufferForDevice < Constants.BUFFER_LED_LOWER_BOUND
                 || led2BufferForDevice < Constants.BUFFER_LED_LOWER_BOUND
                 || led3BufferForDevice < Constants.BUFFER_LED_LOWER_BOUND
@@ -435,7 +436,42 @@ class HemoCubeFragment : Fragment() {
             ) {
                 validationError = true
                 activity?.runOnUiThread {
-                    binding.errorMessage.text = "Error: Invalid Test. Improper buffer reading (high)"
+                    binding.errorMessage.text =
+                        "Error: Invalid Test. Improper buffer reading (high)"
+                    binding.errorMessage.visibility = View.VISIBLE
+                }
+            }
+
+            var gradient = Constants.DEVICE_CONFIGURATION[deviceHardwareId]?.get(0)?.get(0)
+            var constant = Constants.DEVICE_CONFIGURATION[deviceHardwareId]?.get(0)?.get(1)
+            fittedAbs1 = gradient?.times(led1Average)?.plus(constant!!)!!
+
+            gradient = Constants.DEVICE_CONFIGURATION[deviceHardwareId]?.get(1)?.get(0)
+            constant = Constants.DEVICE_CONFIGURATION[deviceHardwareId]?.get(1)?.get(1)
+            fittedAbs2 = gradient?.times(led2Average)?.plus(constant!!)!!
+
+            gradient = Constants.DEVICE_CONFIGURATION[deviceHardwareId]?.get(2)?.get(0)
+            constant = Constants.DEVICE_CONFIGURATION[deviceHardwareId]?.get(2)?.get(1)
+            fittedAbs3 = gradient?.times(led3Average)?.plus(constant!!)!!
+
+            gradient = Constants.DEVICE_CONFIGURATION[deviceHardwareId]?.get(3)?.get(0)
+            constant = Constants.DEVICE_CONFIGURATION[deviceHardwareId]?.get(3)?.get(1)
+            fittedAbs4 = gradient?.times(led4Average)?.plus(constant!!)!!
+
+            _predictedDenovixRatio = fittedAbs3?.div(fittedAbs1!!)!!
+
+            if (fittedAbs1!! <= fittedAbs2!!) {
+                validationError = true
+                activity?.runOnUiThread {
+                    binding.errorMessage.text = "Error: Invalid Test. Problem with de-oxygenation"
+                    binding.errorMessage.visibility = View.VISIBLE
+                }
+            }
+
+            if (led1Average < 0 || led2Average < 0 || led3Average < 0 || led4Average < 0) {
+                validationError = true
+                activity?.runOnUiThread {
+                    binding.errorMessage.text = "Error: Negative Abs. Retake Blank Reading"
                     binding.errorMessage.visibility = View.VISIBLE
                 }
             }
@@ -455,11 +491,17 @@ class HemoCubeFragment : Fragment() {
                 this.led2Average = led2Average
                 this.led3Average = led3Average
                 this.led4Average = led4Average
+                this.abs1 = fittedAbs1
+                this.abs2 = fittedAbs2
+                this.abs3 = fittedAbs3
+                this.abs4 = fittedAbs4
                 this.deviceRatio = deviceRatio
                 this.calculatedRatio = calculateRatio(deviceRatio)
+                this.predictedDenovixRatio = _predictedDenovixRatio
                 this.coefficients = currentDeviceData?.coefficients?.get(0)
                     .toString() + ", " + currentDeviceData?.coefficients?.get(1).toString()
                 this.classificationResult = findResult(calculatedRatio)
+                this.prdClassification = absorbanceBasedClassification(predictedDenovixRatio)
                 hemoCubeViewModel.messages.postValue(this.classificationResult)
                 this.resultData = deviceLog
                 if (!isUsingExistingBuffer) {
@@ -519,6 +561,31 @@ class HemoCubeFragment : Fragment() {
         return "INVALID"
     }
 
+    private fun absorbanceBasedClassification(predictedDenovixRatio: Double?): String {
+        try {
+            hemoCubeViewModel.messages.postValue("result classification")
+            if (predictedDenovixRatio != null) {
+                if (predictedDenovixRatio in 0.0..0.16)
+                    return "Normal"
+                if (predictedDenovixRatio in 0.16..0.165)
+                    return "Negative Borderline"
+                if (predictedDenovixRatio in 0.165..0.235)
+                    return "Sickle Cell Trait"
+                if (predictedDenovixRatio in 0.235..0.24)
+                    return "Positive Borderline"
+                if (predictedDenovixRatio in 0.24..1.0)
+                    return "Sickle Cell Disease"
+            } else {
+                return "INVALID"
+            }
+        } catch (e: Exception) {
+            showToast("error while performing classification")
+            Firebase.crashlytics.recordException(e)
+            return "ERROR"
+        }
+        return "INVALID"
+    }
+
     private fun showToast(message: String) {
         Toast.makeText(requireContext(), message, Toast.LENGTH_SHORT).show()
     }

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

@@ -106,10 +106,16 @@ class HemoCubeViewModel @Inject constructor(
         testDetails?.led2Average = DataHolder.hemoCubeTestData?.led2Average
         testDetails?.led3Average = DataHolder.hemoCubeTestData?.led3Average
         testDetails?.led4Average = DataHolder.hemoCubeTestData?.led4Average
+        testDetails?.abs1 = DataHolder.hemoCubeTestData?.abs1
+        testDetails?.abs2 = DataHolder.hemoCubeTestData?.abs2
+        testDetails?.abs3 = DataHolder.hemoCubeTestData?.abs3
+        testDetails?.abs4 = DataHolder.hemoCubeTestData?.abs4
         testDetails?.deviceRatio = DataHolder.hemoCubeTestData?.deviceRatio
+        testDetails?.predictedDenovixRatio = DataHolder.hemoCubeTestData?.predictedDenovixRatio
         testDetails?.calculatedRatio = DataHolder.hemoCubeTestData?.calculatedRatio
         testDetails?.coefficients = DataHolder.hemoCubeTestData?.coefficients
         testDetails?.classificationResult = DataHolder.hemoCubeTestData?.classificationResult!!
+        testDetails?.prdClassification = DataHolder.hemoCubeTestData?.prdClassification.toString()
     }
 
     private fun addResultTestToDb() {