Groups feature branch

app/build.gradle

@@ -42,10 +42,17 @@ dependencies {
     implementation 'com.koushikdutta.ion:ion:3.1.0'
     implementation 'com.google.firebase:firebase-auth:21.1.0'
     implementation 'com.google.firebase:firebase-firestore:24.4.0'
+    implementation 'com.google.firebase:firebase-messaging:23.1.0'
+
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
     implementation 'org.jsoup:jsoup:1.15.3'
 
 
+    implementation 'com.google.firebase:firebase-inappmessaging-display:20.2.0'
+    implementation 'com.google.firebase:firebase-analytics:21.2.0'
+
+
+
 }

app/src/main/AndroidManifest.xml

@@ -19,6 +19,12 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.Android"
         tools:targetApi="31">
+
+
+
+        <activity
+            android:name=".Groupchat"
+            android:exported="false" />
         <activity
             android:name=".EventLayoutActivity"
             android:exported="false">

app/src/main/java/com/example/android/ClassFragment.java

@@ -1,24 +1,55 @@
 package com.example.android;
 
+import android.content.Context;
+import android.content.DialogInterface;
+import android.graphics.Color;
 import android.os.Bundle;
 
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AlertDialog;
+import androidx.cardview.widget.CardView;
 import androidx.fragment.app.Fragment;
 
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.Button;
+import android.widget.ImageView;
+import android.widget.ListView;
+import android.widget.TextView;
+
+import com.google.android.gms.tasks.OnCompleteListener;
+import com.google.android.gms.tasks.Task;
+import com.google.android.material.chip.Chip;
+import com.google.firebase.firestore.DocumentReference;
+import com.google.firebase.firestore.FieldPath;
+import com.google.firebase.firestore.FieldValue;
+import com.google.firebase.firestore.FirebaseFirestore;
+import com.google.firebase.firestore.QueryDocumentSnapshot;
+import com.google.firebase.firestore.QuerySnapshot;
+import com.google.firebase.firestore.auth.User;
+
+import java.util.ArrayList;
 
 /**
  * A simple {@link Fragment} subclass.
  * Use the {@link ClassFragment#newInstance} factory method to
  * create an instance of this fragment.
  */
 public class ClassFragment extends Fragment {
-    protected static final String FRAGMENT_NAME="ClassFragment";
+    protected static final String FRAGMENT_NAME="GroupFragment";
+    private final FirebaseFirestore db = FirebaseFirestore.getInstance();
+    protected static int[] colorIcon = {Color.RED, Color.GREEN, Color.BLUE, Color.YELLOW};
+    private  ViewClassAdpater adapter;
+    private final ArrayList<String> Studentclass = new ArrayList<String>();
+    private ListView Classlist;
+    TextView noclassinfo;
 
     // TODO: Rename parameter arguments, choose names that match
     // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
-    private static final String ARG_PARAM1 = "param1";
+    private static final String UserID  = "userID";
     private static final String ARG_PARAM2 = "param2";
 
     // TODO: Rename and change types of parameters
@@ -42,17 +73,65 @@ public ClassFragment() {
     public static ClassFragment newInstance(String param1, String param2) {
         ClassFragment fragment = new ClassFragment();
         Bundle args = new Bundle();
-        args.putString(ARG_PARAM1, param1);
+        args.putString(UserID, param1);
         args.putString(ARG_PARAM2, param2);
         fragment.setArguments(args);
         return fragment;
     }
+    private class ViewClassAdpater extends ArrayAdapter<String> {
+        public ViewClassAdpater(@NonNull Context context, int resource) {
+            super(context, resource);
+        }
+
+        public int getCount() {
+            return Studentclass.size();
+        }
+
+
+        public View getView(int position, View convertView, ViewGroup parent) {
+            LayoutInflater inflater = ClassFragment.this.getLayoutInflater();
+            View result = inflater.inflate(R.layout.group_list_view, null);
+            TextView message = result.findViewById(R.id.GroupNameLabel);
+            ImageView deleteButton = result.findViewById(R.id.RemoveGroup);
+            ImageView classIcon = result.findViewById(R.id.GroupIconDisplay);
+            TextView groupDescription = result.findViewById(R.id.GroupDescriptionLabel);
+            CardView cardGroup = result.findViewById(R.id.CardGroup);
+            ImageView EditIcon = result.findViewById(R.id.EditIcon);
+            EditIcon.setVisibility(View.INVISIBLE);
+
+
+
 
+
+            deleteButton.setTag(position);
+            classIcon.setTag(position);
+            cardGroup.setTag(position);
+
+            message.setText(Studentclass.get(position));
+            groupDescription.setText("Description of course");
+            classIcon.setImageResource(R.drawable.class_icon);
+            classIcon.setColorFilter((colorIcon[ (int)Math.floor(Math.random()*(colorIcon.length))]));
+
+            ImageView removeClassIV= result.findViewById(R.id.RemoveGroup);
+            removeClassIV.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View view) {
+                    RemoveClass(view);
+                }
+            });
+
+
+
+            return result;
+        }
+
+    }
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         if (getArguments() != null) {
-            mParam1 = getArguments().getString(ARG_PARAM1);
+            Log.i(FRAGMENT_NAME, "Bundle Received");
+            mParam1 = getArguments().getString(UserID);
             mParam2 = getArguments().getString(ARG_PARAM2);
         }
     }
@@ -61,6 +140,101 @@ public void onCreate(Bundle savedInstanceState) {
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
         // Inflate the layout for this fragment
-        return inflater.inflate(R.layout.fragment_class, container, false);
+
+        Studentclass.clear();
+        View test=inflater.inflate(R.layout.fragment_group, container, false);
+        Classlist= test.findViewById(R.id.GroupinformationList);
+        TextView nogroupinfo = test.findViewById(R.id.NoGroupinfo);
+        TextView addclassBtn= test.findViewById(R.id.BannerText);
+        addclassBtn.setText("Add a class");
+        adapter = new ViewClassAdpater(this.getContext(), 0);
+        Classlist.setAdapter(adapter);
+        nogroupinfo.setText(R.string.noClassAdded);
+        nogroupinfo.setVisibility(View.INVISIBLE);
+        Classlist.setVisibility(View.VISIBLE);
+
+        CardView btn=test.findViewById(R.id.Banner);
+        btn.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                getActivity().getSupportFragmentManager().beginTransaction()
+                        .replace(R.id.fragmentContainerView,CreateGroupFragment.class,getArguments()) //TODO: Change to Add Class Fragment
+                        .setReorderingAllowed(true)
+                        .addToBackStack("tempBackStack")
+                        .commit();
+            }
+        });
+
+        Log.i(FRAGMENT_NAME, "This is the param "+ mParam1);
+if (mParam1!=null) {
+    db.collection("user").whereEqualTo(FieldPath.documentId(), mParam1)  // ERR; Main activity is not passing the dat
+            .get()
+            .addOnCompleteListener(new OnCompleteListener<QuerySnapshot>() {
+                @Override
+                public void onComplete(@NonNull Task<QuerySnapshot> task) {
+                    if (task.isSuccessful()) {
+                        for (QueryDocumentSnapshot document : task.getResult()) {
+                            DisplayRegClasses((ArrayList<String>) document.get("courses"));
+                        }
+                    } else {
+                        Log.w(FRAGMENT_NAME, "Error getting documents.", task.getException());
+                    }
+                }
+            });
+}
+
+        return test;
+    }
+
+    public void DisplayRegClasses(ArrayList<String> studentClasses )
+    {
+
+        for (String course : studentClasses)
+        {
+            Studentclass.add(course);
+        }
+        Log.i(FRAGMENT_NAME, "Courses: " + Studentclass.size());
+        adapter.notifyDataSetChanged();
     }
+
+
+    public void RemoveClass(View view )
+    {
+        int positionitemToDelete = (int) view.getTag();
+        String coursename = Studentclass.get(positionitemToDelete);
+
+        AlertDialog.Builder builder =
+                new AlertDialog.Builder(this.getContext());
+
+        builder.setTitle("Are you sure you want to be removed from:" +  coursename);
+        builder.setPositiveButton(R.string.Yes,
+                new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog, int id) {
+                        Studentclass.remove(positionitemToDelete);
+                        adapter.notifyDataSetChanged();
+                        if (Studentclass.size() == 0 )
+                        {
+
+
+                            noclassinfo.setVisibility(View.VISIBLE);
+                            Classlist.setVisibility(View.INVISIBLE);
+                        }
+                        deletefromdatabase(coursename, mParam1 );
+                    } });
+        builder.setNegativeButton("Cancel",
+                new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog, int id) {
+                    } });
+        AlertDialog dialog = builder.create();
+        dialog.show();
+    }
+
+
+    public void deletefromdatabase(String coursename, String userID )
+    {
+        DocumentReference groupsRef = db.collection("user").document(userID);
+        groupsRef.update("courses", FieldValue.arrayRemove(coursename));
+
+    }
+
 }

app/src/main/java/com/example/android/Classes.java

@@ -0,0 +1,20 @@
+package com.example.android;
+
+import java.util.ArrayList;
+
+public class Classes {
+
+    ArrayList<String> coursenames;
+
+    public Classes(ArrayList<String> coursename)
+    {
+
+        this.coursenames = coursename;
+
+    }
+
+    public ArrayList<String> getCoursename() {
+        return coursenames;
+    }
+
+}