calibration calculation done

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

@@ -1,8 +1,15 @@
 package com.example.hpostesting.data.model.patient
 
-data class DeviceData (
-    val deviceId: String? = "",
-    val deviceType: String? = "",
-    val coefficients: List<Double>? = null,
-    val calibratedAt: String
+import com.google.firebase.firestore.PropertyName
+
+
+data class DeviceData(
+    @get:PropertyName("deviceId") @set:PropertyName("deviceId")
+    var deviceId: String = "",
+    @get:PropertyName("deviceType") @set:PropertyName("deviceType")
+    var deviceType: String = "",
+    @get:PropertyName("coefficients") @set:PropertyName("coefficients")
+    var coefficients: List<Double> = emptyList(),
+    @get:PropertyName("calibratedAt") @set:PropertyName("calibratedAt")
+    var calibratedAt: String = ""
 )

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

@@ -37,7 +37,7 @@ class HemoCubeFragment : Fragment() {
     private val ACTION_USB_PERMISSION = "com.example.usbpermission"
     private val TIMEOUT = 0
 
-    private var deviceData = listOf<DeviceData>()
+    private var deviceData: DeviceData? = null
 
     private val usbManager: UsbManager by lazy {
         requireContext().getSystemService(Context.USB_SERVICE) as UsbManager
@@ -72,11 +72,12 @@ class HemoCubeFragment : Fragment() {
             binding.progressBar.visibility = View.GONE
         }
 
-        hemoCubeViewModel.getDeviceData()
-
+        hemoCubeViewModel.getDeviceData("DEVICE1")
 
         hemoCubeViewModel.deviceData.observe(viewLifecycleOwner) {
             deviceData = it
+            Toast.makeText(requireContext(), calculateRatio(0.17).toString(), Toast.LENGTH_SHORT).show()
+
         }
 
         hemoCubeViewModel.networkStatusLiveData.observe(viewLifecycleOwner) { isNetworkAvailable ->
@@ -87,16 +88,16 @@ class HemoCubeFragment : Fragment() {
             }
         }
 
-        if (checkBufferValue()) {
-            TODO("Call S command")
-            //We have to store the buffer value like this
-            with(sharedPreference.edit()) {
-                putInt(Constants.BUFFER_VALUE, 2000)
-                apply()
-            }
-        } else {
-            TODO("Call B command")
-        }
+//        if (checkBufferValue()) {
+//            TODO("Call S command")
+//            //We have to store the buffer value like this
+//            with(sharedPreference.edit()) {
+//                putInt(Constants.BUFFER_VALUE, 2000)
+//                apply()
+//            }
+//        } else {
+//            TODO("Call B command")
+//        }
     }
 
     private fun checkBufferValue(): Boolean {
@@ -311,4 +312,12 @@ class HemoCubeFragment : Fragment() {
                 }
             })
     }
+
+    private fun calculateRatio(ratio: Double): Double {
+//        val c1 = deviceData?.coefficients?.get(0)!!
+//        val c2 = deviceData?.coefficients?.get(1)!!
+        val c1 = deviceData?.coefficients?.get(0)!!
+        val c2 = deviceData?.coefficients?.get(1)!!
+        return c1 * ratio - c2
+    }
 }

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

@@ -1,5 +1,6 @@
 package com.example.hpostesting.presentation.hemocube
 
+import android.annotation.SuppressLint
 import android.content.Context
 import android.util.Log
 import androidx.lifecycle.LiveData
@@ -34,8 +35,7 @@ class HemoCubeViewModel @Inject constructor(
     // Get the device ID of the device you want to retrieve data for (e.g., the first device in the list)
 
     private val _networkStatusLiveData = NetworkStatusLiveData(context)
-    val deviceData = MutableLiveData<List<DeviceData>>()
-    val deviceIdToRetrieve = deviceData.value?.firstOrNull()?.deviceId
+    val deviceData = MutableLiveData<DeviceData?>()
     val networkStatusLiveData: LiveData<Boolean>
         get() = _networkStatusLiveData
     val fireBaseUpload = MutableLiveData<String>()
@@ -68,20 +68,10 @@ class HemoCubeViewModel @Inject constructor(
         }
     }
 
-
-
-
-    fun getDeviceData() = viewModelScope.launch {
-        deviceIdToRetrieve?.let { deviceId ->
-          val deviceIdinfo =  repository.getDeviceDataById(deviceId)
-            deviceData.postValue(listOf(deviceIdinfo!!))
-        }
+    fun getDeviceData(deviceId: String) = viewModelScope.launch {
+        deviceData.postValue(repository.getDeviceDataById(deviceId))
     }
 
-
-
-
-
     private fun addResultTestToDb() {
         testDetails?.deviceRatio = DataHolder.hemocubeResult
         testDetails?.resultData = DataHolder.hemoCubeTestData?.resultData.toString()