Seperated function of creating folder & implemented methods to save csv. [working]

app/build.gradle

@@ -53,4 +53,6 @@ dependencies {
 
     implementation "androidx.fragment:fragment-ktx:1.5.5"
 
+    implementation 'com.opencsv:opencsv:4.6'
+
 }

app/src/main/java/com/example/refactoredapp/data/DataHolder.kt

@@ -1,8 +1,11 @@
 package com.example.refactoredapp.data
 
+import android.os.Environment
+import com.example.refactoredapp.R
+
 object DataHolder {
     var isStoragePermissionGranted = false
     var isAppFolderCreated = false
-
+    var appFolderPath = ""
 //    var isReferenceTaken = false
 }

app/src/main/java/com/example/refactoredapp/domain/SaveRawData.kt

@@ -0,0 +1,32 @@
+package com.example.refactoredapp.domain
+
+import android.util.Log
+import com.opencsv.CSVWriter
+import java.io.FileWriter
+
+class SaveRawData {
+
+    fun saveCsv(folderPath: String, fileName: String, matrix: ArrayList<ArrayList<Double>>) {
+
+        val fullPath  = "$folderPath/$fileName"
+        val writer = CSVWriter(FileWriter(fullPath))
+        val content =  ArrayList<Array<String>>()
+
+        for (eachRow in matrix){
+            val rowContent = arrayOf(eachRow[0].toString(), eachRow[1].toString())
+            content.add(rowContent)
+        }
+
+//        Log.d("TestRight", " --- --- --- --- --- PRINTING ALL THE CONTENTSSSS --- --- --- --- --- ")
+//        for (row in content){
+//            for (col in row){
+//                Log.d("TestRight", col)
+//            }
+//        }
+
+        writer.writeAll(content) // data is adding to csv
+        writer.close()
+
+    }
+
+}

app/src/main/java/com/example/refactoredapp/presentation/SplashActivity.kt

@@ -16,6 +16,7 @@ import androidx.core.content.ContextCompat
 import com.example.refactoredapp.R
 import com.example.refactoredapp.data.DataHolder
 import com.example.refactoredapp.databinding.ActivitySplashBinding
+import com.example.refactoredapp.util.MyUtils
 import java.io.File
 
 /**
@@ -109,18 +110,10 @@ class SplashActivity : AppCompatActivity() {
     }
 
     private fun createAppFolder() {
-        val file = File(
+        val folderPath = MyUtils().createAppFolder(applicationContext)
-            Environment.getExternalStorageDirectory().absolutePath + "/" + resources.getString(R.string.app_name) + "/"
+        if (folderPath != null){
-        )
-        if (!file.exists()) {
-            if (!file.mkdirs()) {
-                Toast.makeText(this, "Problem creating folder", Toast.LENGTH_SHORT).show()
-                DataHolder.isAppFolderCreated = false
-            } else {
-                DataHolder.isAppFolderCreated = true
-            }
-        } else {
             DataHolder.isAppFolderCreated = true
+            DataHolder.appFolderPath = folderPath
         }
     }
 

app/src/main/java/com/example/refactoredapp/presentation/testRight/TestRightResults.kt

@@ -1,19 +1,26 @@
 package com.example.refactoredapp.presentation.testRight
 
 import android.os.Bundle
-import androidx.fragment.app.Fragment
+import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.fragment.app.Fragment
 import androidx.fragment.app.activityViewModels
 import com.example.refactoredapp.R
+import com.example.refactoredapp.data.DataHolder
 import com.example.refactoredapp.databinding.FragmentTestRightResultsBinding
+import com.example.refactoredapp.util.MyUtils
+import java.text.SimpleDateFormat
+import java.util.*
 
 class TestRightResults : Fragment() {
 
     private lateinit var binding: FragmentTestRightResultsBinding
     private val viewModel: TestRightViewModel by activityViewModels()
 
+    private val TAG = "TestRightResults"
+
     override fun onCreateView(
         inflater: LayoutInflater, container: ViewGroup?,
         savedInstanceState: Bundle?
@@ -26,16 +33,53 @@ class TestRightResults : Fragment() {
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         updateResults()
+        saveCsv()
+    }
+
+    private fun saveCsv() {
+        Log.d(TAG, "saveCsv() called")
+
+        viewModel.calculateDataForCSV()
+
+//        val fileName = "surya.csv"
+        val sdfDate = SimpleDateFormat("ddMMyyyy HHmmss")
+        val fileName: String = sdfDate.format(Date()) + ".csv"
+
+        if (!DataHolder.isAppFolderCreated){
+            val folderPath = MyUtils().createAppFolder(requireContext().applicationContext)
+            if (folderPath != null){
+                DataHolder.isAppFolderCreated = true
+                DataHolder.appFolderPath = folderPath
+                viewModel.saveRawData(DataHolder.appFolderPath, fileName)
+            }
+        } else {
+            viewModel.saveRawData(DataHolder.appFolderPath, fileName)
+        }
+
     }
 
     private fun updateResults() {
         binding.tvName.text = getString(R.string.name_in_textview, viewModel.patientDetails.name)
         binding.tvAge.text = getString(R.string.age_in_textview, viewModel.patientDetails.age.toString())
-        binding.tvGender.text = getString(R.string.age_in_textview, viewModel.patientDetails.gender)
+        binding.tvGender.text = getString(R.string.gender_in_textview, viewModel.patientDetails.gender)
 
-        binding.tvResultValue.text = getString(R.string.age_in_textview, viewModel.patientDetails.results)
+        binding.tvResultValue.text = viewModel.patientDetails.results.toString()
         if (viewModel.patientDetails.results == "Negative"){
             // Setting color
         }
+
+//        Log.d(TAG, "\n\n\n\nFor intensity Reference array size = ${viewModel.intensityReferenceArray.size}")
+//        for (each in viewModel.intensityReferenceArray){
+//            Log.d(TAG, "${each[0]} -> ${each[1]}")
+//        }
+//
+//        Log.d(TAG, "\n\n\n\nFor intensity Reference array size = ${viewModel.intensitySampleArray.size}")
+//        for (each in viewModel.intensitySampleArray){
+//            Log.d(TAG, "${each[0]} -> ${each[1]}")
+//        }
+//        Log.d(TAG,"")
+
+
+
     }
 }

app/src/main/java/com/example/refactoredapp/util/MyUtils.kt

@@ -1,7 +1,12 @@
 package com.example.refactoredapp.util
 
+import android.content.Context
+import android.os.Environment
+import android.widget.Toast
 import com.example.refactoredapp.R
+import com.example.refactoredapp.data.DataHolder
 import com.example.refactoredapp.data.model.DeviceType
+import java.io.File
 
 class MyUtils {
 
@@ -13,4 +18,26 @@ class MyUtils {
         }
     }
 
+    fun createAppFolder(context: Context) : String? {
+        val folderPath = Environment.getExternalStorageDirectory().absolutePath + "/" + context.resources.getString(R.string.app_name) + "/"
+//        DataHolder.appFolderPath = folderPath
+        val file = File(folderPath)
+
+        return if (!file.exists()) {
+            if (!file.mkdirs()) {
+//                DataHolder.isAppFolderCreated = false
+//                false
+                null
+            } else {
+//                DataHolder.isAppFolderCreated = true
+//                true
+                folderPath
+            }
+        } else {
+//            DataHolder.isAppFolderCreated = true
+//            true
+            folderPath
+        }
+    }
+
 }