App is now fully converted to Kotlin

app/src/main/java/com/denizd/substitutionplan/SubstViewModel.kt

@@ -0,0 +1,32 @@
+package com.denizd.substitutionplan
+
+import android.app.Application
+import androidx.lifecycle.AndroidViewModel
+import androidx.lifecycle.LiveData
+
+public class SubstViewModel(application: Application) : AndroidViewModel(application) {
+
+    private val repository: SubstRepository
+    val allSubst: LiveData<List<Subst>>?
+
+    init {
+        repository = SubstRepository(application)
+        allSubst = repository.allSubst
+    }
+
+    fun insert(subst: Subst) {
+        repository.insert(subst)
+    }
+
+    fun update(subst: Subst) {
+        repository.update(subst)
+    }
+
+    fun delete(subst: Subst) {
+        repository.delete(subst)
+    }
+
+    fun deleteAllSubst() {
+        repository.deleteAllSubst()
+    }
+}