Minor refactoring

app/src/main/java/com/paktalin/vocabularynotebook/ui/AddWordFragment.kt

@@ -18,8 +18,8 @@ class AddWordFragment : WordFragment() {
 
     override fun saveToFirestore(wordPojo: WordItem.Pojo, vocabularyId: String) {
         ConfiguredFirestore.instance
-                .collection(VOCABULARIES).document(vocabularyId)
-                .collection(WORDS).add(wordPojo)
+                .collection(vocabularies).document(vocabularyId)
+                .collection(words).add(wordPojo)
                 .addOnSuccessListener {
                     Log.i(TAG, "Successfully added a new word")
                     clearFields()

app/src/main/java/com/paktalin/vocabularynotebook/ui/EditWordFragment.kt

@@ -53,8 +53,8 @@ class EditWordFragment : WordFragment() {
 
     override fun saveToFirestore(wordPojo: WordItem.Pojo, vocabularyId: String) {
         ConfiguredFirestore.instance
-                .collection(VOCABULARIES).document(vocabularyId)
-                .collection(WORDS).document(wordItem.id).set(wordPojo)
+                .collection(vocabularies).document(vocabularyId)
+                .collection(words).document(wordItem.id).set(wordPojo)
                 .addOnSuccessListener {
                     Log.i(TAG, "Successfully updated the word")
                     hideSubmitButton()
@@ -71,5 +71,4 @@ class EditWordFragment : WordFragment() {
     }
 
     companion object { private val TAG = "VN/" + EditWordFragment::class.java.simpleName }
-
 }
\ No newline at end of file

app/src/main/java/com/paktalin/vocabularynotebook/ui/WordFragment.kt

@@ -12,8 +12,8 @@ import com.paktalin.vocabularynotebook.WordItem
 import kotlinx.android.synthetic.main.fragment_new_word.*
 
 abstract class WordFragment : Fragment() {
-    protected val VOCABULARIES = "vocabularies"
-    protected val WORDS = "words"
+    protected val vocabularies = "vocabularies"
+    protected val words = "words"
 
     private var wordEmpty: Boolean = true
         set(value) { field = value; updateButtons() }