add filter to list read

Author: ianedwards

app/src/main/java/com/example/menumap/AudioActivity.java

@@ -15,6 +15,7 @@
 import android.widget.Toast;
 
 import java.util.ArrayList;
+import java.util.Date;
 import java.util.HashMap;
 import java.util.Locale;
 import java.util.Map;
@@ -28,6 +29,7 @@
 import com.google.android.gms.tasks.OnFailureListener;
 import com.google.android.gms.tasks.OnSuccessListener;
 import com.google.android.gms.tasks.Task;
+import com.google.firebase.Timestamp;
 import com.google.firebase.auth.FirebaseAuth;
 import com.google.firebase.auth.FirebaseUser;
 import com.google.firebase.firestore.DocumentReference;
@@ -288,13 +290,14 @@ public void addToDB() {
 
         for (int i = 0; i < resultArray.length; i++) {
 
-            Map<String, String> translation = new HashMap<>();
+            Map<String, Object> translation = new HashMap<>();
             translation.put("sourceText", resultArray[i]);
             // replace with actual values
             translation.put("sourceLang", user.get("sourceLangPref").toString());
             translation.put("resultText", translateArray[i]);
             translation.put("resultLang", user.get("targetLangPref").toString());
             translation.put("userID", user.getId());
+            translation.put("createdAt", new Timestamp(new Date()));
 
             mDB.collection("translations")
                     .add(translation)

app/src/main/java/com/example/menumap/CameraActivity.java

@@ -25,6 +25,7 @@
 import com.google.android.gms.tasks.OnFailureListener;
 import com.google.android.gms.tasks.OnSuccessListener;
 import com.google.android.gms.tasks.Task;
+import com.google.firebase.Timestamp;
 import com.google.firebase.auth.FirebaseAuth;
 import com.google.firebase.auth.FirebaseUser;
 import com.google.firebase.firestore.DocumentReference;
@@ -43,6 +44,7 @@
 import com.google.firebase.ml.vision.text.FirebaseVisionText;
 import com.google.firebase.ml.vision.text.FirebaseVisionTextRecognizer;
 
+import java.util.Date;
 import java.util.HashMap;
 import java.util.Locale;
 import java.util.Map;
@@ -224,13 +226,14 @@ public void addToDB() {
 
         for (int i = 0; i < resultArray.length; i++) {
 
-            Map<String, String> translation = new HashMap<>();
+            Map<String, Object> translation = new HashMap<>();
             translation.put("sourceText", resultArray[i]);
             // replace with actual values
             translation.put("sourceLang", user.get("sourceLangPref").toString());
             translation.put("resultText", translateArray[i]);
             translation.put("resultLang", user.get("targetLangPref").toString());
             translation.put("userID", user.getId());
+            translation.put("createdAt", new Timestamp(new Date()));
 
             mDB.collection("translations")
                     .add(translation)

app/src/main/java/com/example/menumap/ui/home/HomeFragment.java

@@ -29,6 +29,7 @@
 import com.google.firebase.firestore.DocumentReference;
 import com.google.firebase.firestore.DocumentSnapshot;
 import com.google.firebase.firestore.FirebaseFirestore;
+import com.google.firebase.firestore.Query;
 import com.google.firebase.firestore.QueryDocumentSnapshot;
 import com.google.firebase.firestore.QuerySnapshot;
 
@@ -76,25 +77,31 @@ public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
 
     private void makeListFromDB() {
 
-        mDB.collection(COLLECTION_PATH).get().addOnCompleteListener(new OnCompleteListener<QuerySnapshot>() {
-            @Override
-            public void onComplete(@NonNull Task<QuerySnapshot> task) {
-                if (task.isSuccessful()) {
-                    for (QueryDocumentSnapshot document : task.getResult()) {
-                        StringBuilder fields = new StringBuilder("");
-                        fields.append("Original Text: ").append(document.getString(SOURCE_TEXT));
-                        fields.append("\nTranslation: ").append(document.getString(RESULT_TEXT));
-                        fields.append("\nOriginal Language: ").append(document.getString(SOURCE_LANGUAGE));
-                        fields.append("\nTranslated to: ").append(document.getString(RESULT_LANGUAGE));
-                        arrayAdapter.add(fields.toString());
-
+        Log.d("uid", FirebaseAuth.getInstance().getCurrentUser().getUid());
 
+        mDB.collection(COLLECTION_PATH)
+                .whereEqualTo("userID", FirebaseAuth.getInstance().getCurrentUser().getUid())
+                .orderBy("createdAt", Query.Direction.DESCENDING)
+                .get()
+                .addOnCompleteListener(new OnCompleteListener<QuerySnapshot>() {
+                    @Override
+                    public void onComplete(@NonNull Task<QuerySnapshot> task) {
+                        if (task.isSuccessful()) {
+                            for (QueryDocumentSnapshot document : task.getResult()) {
+                                StringBuilder fields = new StringBuilder("");
+                                fields.append("Original Text: ").append(document.getString(SOURCE_TEXT));
+                                fields.append("\nTranslation: ").append(document.getString(RESULT_TEXT));
+                                fields.append("\nOriginal Language: ").append(document.getString(SOURCE_LANGUAGE));
+                                fields.append("\nTranslated to: ").append(document.getString(RESULT_LANGUAGE));
+                                arrayAdapter.add(fields.toString());
+
+
+                            }
+                        } else {
+                            Log.d("collection", "Error getting documents: ", task.getException());
+                        }
                     }
-                } else {
-                    Log.d("collection", "Error getting documents: ", task.getException());
-                }
-            }
-        })
+                })
                 .addOnFailureListener(new OnFailureListener() {
                     @Override
                     public void onFailure(@NonNull Exception e) {