Fali jos auto-update kada se oceni nesto

app/src/main/AndroidManifest.xml

@@ -1,23 +1,28 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
-    <uses-permission android:name="android.permission.INTERNET"/>
+
+    <uses-permission android:name="android.permission.INTERNET" />
+
     <application
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
         android:fullBackupContent="@xml/backup_rules"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
+        android:networkSecurityConfig="@xml/network_security_config"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.Gallery"
-        tools:targetApi="31"
+        tools:targetApi="31">
-        android:networkSecurityConfig="@xml/network_security_config">
+        <activity
+            android:name=".VideoPlayerActivity"
+            android:exported="false" />
         <activity
             android:name=".NewPostActivity"
             android:exported="false"
-            tools:ignore="Instantiatable"
+            android:windowSoftInputMode="adjustResize|stateHidden"
-            android:windowSoftInputMode="adjustResize|stateHidden"/>
+            tools:ignore="Instantiatable" />
         <activity
             android:name=".RegisterActivity"
             android:exported="false" />
@@ -33,7 +38,6 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-
     </application>
 
 </manifest>

app/src/main/java/com/example/gallery/LoginActivity.java

@@ -20,7 +20,8 @@ import retrofit2.Response;
 
 public class LoginActivity extends AppCompatActivity {
 
-    private EditText usernameEdit, passwordEdit;
+    private EditText usernameEdit;
+    private EditText passwordEdit;
     private Button loginBtn;
     private TextView registerTV;
 
@@ -29,12 +30,19 @@ public class LoginActivity extends AppCompatActivity {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_login);
 
+        // Views
         usernameEdit = findViewById(R.id.usernameTxt);
         passwordEdit = findViewById(R.id.userpasswordTxt);
         loginBtn = findViewById(R.id.btnLogin);
         registerTV = findViewById(R.id.registerTV);
 
+        // Login button
         loginBtn.setOnClickListener(v -> login());
+
+        // Register text → RegisterActivity
+        registerTV.setOnClickListener(v -> {
+            startActivity(new Intent(LoginActivity.this, RegisterActivity.class));
+        });
     }
 
     private void login() {
@@ -52,27 +60,33 @@ public class LoginActivity extends AppCompatActivity {
         apiService.login(request).enqueue(new Callback<LoginResponse>() {
             @Override
             public void onResponse(Call<LoginResponse> call, Response<LoginResponse> response) {
+
                 if (response.isSuccessful() && response.body() != null) {
 
-                    // 🔑 STORE RAW TOKEN ONLY
+                    // ✅ Save auth state
                     getSharedPreferences("MyAppPrefs", MODE_PRIVATE)
                             .edit()
                             .putString("authToken", response.body().getToken())
                             .putBoolean("isLoggedIn", true)
                             .apply();
 
-                    Toast.makeText(LoginActivity.this, "Login successful", Toast.LENGTH_SHORT).show();
+                    Toast.makeText(LoginActivity.this,
+                            "Login successful", Toast.LENGTH_SHORT).show();
 
                     startActivity(new Intent(LoginActivity.this, MainActivity.class));
                     finish();
+
                 } else {
-                    Toast.makeText(LoginActivity.this, "Login failed", Toast.LENGTH_SHORT).show();
+                    Toast.makeText(LoginActivity.this,
+                            "Invalid username or password", Toast.LENGTH_SHORT).show();
                 }
             }
 
             @Override
             public void onFailure(Call<LoginResponse> call, Throwable t) {
-                Toast.makeText(LoginActivity.this, "Server error: " + t.getMessage(), Toast.LENGTH_SHORT).show();
+                Toast.makeText(LoginActivity.this,
+                        "Server error: " + t.getMessage(),
+                        Toast.LENGTH_SHORT).show();
             }
         });
     }

app/src/main/java/com/example/gallery/MainActivity.java

@@ -4,6 +4,9 @@ import android.content.Intent;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.Button;
+import android.widget.ImageButton;
+import android.widget.LinearLayout;
+import android.widget.TextView;
 import android.widget.Toast;
 
 import androidx.appcompat.app.AppCompatActivity;
@@ -28,111 +31,173 @@ public class MainActivity extends AppCompatActivity {
     private Button loginBtn, registerBtn, logoutBtn, newPostBtn;
     private RecyclerView recyclerView;
     private PostsAdapter postsAdapter;
+    private ImageButton burgerMenuBtn;
+    private LinearLayout dropdownMenu;
+    private TextView menuLogout, menuNewPost;
+    private ImageButton filterBtnToolbar;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
-        // Initialize all views BEFORE using them
         loginBtn = findViewById(R.id.Loginbtn);
         registerBtn = findViewById(R.id.Registerbtn);
         logoutBtn = findViewById(R.id.btnLogout);
         newPostBtn = findViewById(R.id.newPostBtn);
         recyclerView = findViewById(R.id.postsRecyclerView);
+        burgerMenuBtn = findViewById(R.id.burgerMenuBtn);
+        dropdownMenu = findViewById(R.id.dropdownMenu);
+        menuLogout = findViewById(R.id.menuLogout);
+        menuNewPost = findViewById(R.id.menuNewPost);
+        filterBtnToolbar = findViewById(R.id.filterBtnToolbar);
 
-        // RecyclerView setup
         recyclerView.setLayoutManager(new LinearLayoutManager(this));
-        postsAdapter = new PostsAdapter(new ArrayList<>());
+
+        boolean isLoggedIn = getSharedPreferences("MyAppPrefs", MODE_PRIVATE)
+                .getBoolean("isLoggedIn", false);
+
+        postsAdapter = new PostsAdapter(this, new ArrayList<>(), isLoggedIn);
         recyclerView.setAdapter(postsAdapter);
 
         setupButtons();
+        setupDropdownMenu();
         updateAuthUI();
         loadPublications();
+        setupFilterButton();
     }
 
     private void setupButtons() {
-        if (loginBtn != null) {
+        loginBtn.setOnClickListener(v ->
-            loginBtn.setOnClickListener(v ->
+                startActivity(new Intent(this, LoginActivity.class)));
-                    startActivity(new Intent(MainActivity.this, LoginActivity.class))
-            );
-        }
 
-        if (registerBtn != null) {
+        registerBtn.setOnClickListener(v ->
-            registerBtn.setOnClickListener(v ->
+                startActivity(new Intent(this, RegisterActivity.class)));
-                    startActivity(new Intent(MainActivity.this, RegisterActivity.class))
-            );
-        }
 
-        if (logoutBtn != null) {
+        logoutBtn.setOnClickListener(v -> {
-            logoutBtn.setOnClickListener(v -> {
+            getSharedPreferences("MyAppPrefs", MODE_PRIVATE)
-                getSharedPreferences("MyAppPrefs", MODE_PRIVATE).edit().clear().apply();
+                    .edit().clear().apply();
-                updateAuthUI();
+            updateAuthUI();
-                Toast.makeText(MainActivity.this, "Logged out", Toast.LENGTH_SHORT).show();
+            Toast.makeText(this, "Logged out", Toast.LENGTH_SHORT).show();
-            });
+        });
-        }
 
-        if (newPostBtn != null) {
+        newPostBtn.setOnClickListener(v ->
-            newPostBtn.setOnClickListener(v ->
+                startActivityForResult(
-                    startActivityForResult(
+                        new Intent(this, NewPostActivity.class), 100));
-                            new Intent(MainActivity.this, NewPostActivity.class), 100)
-            );
-        }
     }
+    private void setupDropdownMenu() {
+        burgerMenuBtn.setOnClickListener(v ->
+                dropdownMenu.setVisibility(
+                        dropdownMenu.getVisibility() == View.VISIBLE
+                                ? View.GONE : View.VISIBLE));
 
+        menuLogout.setOnClickListener(v -> {
+            getSharedPreferences("MyAppPrefs", MODE_PRIVATE)
+                    .edit().clear().apply();
+            updateAuthUI();
+            dropdownMenu.setVisibility(View.GONE);
+        });
+
+        menuNewPost.setOnClickListener(v -> {
+            startActivityForResult(
+                    new Intent(this, NewPostActivity.class), 100);
+            dropdownMenu.setVisibility(View.GONE);
+        });
+    }
+    //Sortiranje i filtriranje.
+    private void setupFilterButton() {
+
+        filterBtnToolbar.setOnClickListener(v -> {
+
+            String[] options = {
+                    "Show all posts",
+                    "Only pinned",
+                    "Not pinned",
+                    "Only images",
+                    "Only videos",
+                    "Sort by newest",
+                    "Sort by rating"
+            };
+            new androidx.appcompat.app.AlertDialog.Builder(this)
+                    .setTitle("Filter & Sort")
+                    .setItems(options, (dialog, which) -> {
+
+                        switch (which) {
+
+                            case 0: //All.
+                                postsAdapter.filterPinned(null);
+                                postsAdapter.filterContentType(null);
+                                break;
+
+                            case 1: //Pinned.
+                                postsAdapter.filterPinned(true);
+                                break;
+
+                            case 2: //Not pinned.
+                                postsAdapter.filterPinned(false);
+                                break;
+
+                            case 3: // images
+                                postsAdapter.filterContentType("image");
+                                break;
+
+                            case 4: // videos
+                                postsAdapter.filterContentType("video");
+                                break;
+
+                            case 5: // newest
+                                postsAdapter.sortBy(PostsAdapter.SortMode.TIME);
+                                break;
+
+                            case 6: // rating
+                                postsAdapter.sortBy(PostsAdapter.SortMode.RATING);
+                                break;
+                        }
+                    })
+                    .show();
+        });
+    }
     private void updateAuthUI() {
         boolean isLoggedIn = getSharedPreferences("MyAppPrefs", MODE_PRIVATE)
                 .getBoolean("isLoggedIn", false);
 
-        if (loginBtn != null) loginBtn.setVisibility(isLoggedIn ? View.GONE : View.VISIBLE);
+        loginBtn.setVisibility(isLoggedIn ? View.GONE : View.VISIBLE);
-        if (registerBtn != null) registerBtn.setVisibility(isLoggedIn ? View.GONE : View.VISIBLE);
+        registerBtn.setVisibility(isLoggedIn ? View.GONE : View.VISIBLE);
-        if (logoutBtn != null) logoutBtn.setVisibility(isLoggedIn ? View.VISIBLE : View.GONE);
+        logoutBtn.setVisibility(isLoggedIn ? View.VISIBLE : View.GONE);
-        if (newPostBtn != null) newPostBtn.setVisibility(isLoggedIn ? View.VISIBLE : View.GONE);
+        newPostBtn.setVisibility(isLoggedIn ? View.VISIBLE : View.GONE);
     }
-
+    public void loadPublications() {
-    private void loadPublications() {
+        ApiService api = ApiClient.getClient().create(ApiService.class);
-        ApiService apiService = ApiClient.getClient().create(ApiService.class);
-
         String token = getSharedPreferences("MyAppPrefs", MODE_PRIVATE)
                 .getString("authToken", null);
         String authHeader = token != null ? "Token " + token : null;
-
+        api.getPublications(authHeader).enqueue(new Callback<PublicationListResponse>() {
-        Call<PublicationListResponse> call = apiService.getPublications(authHeader);
-        call.enqueue(new Callback<PublicationListResponse>() {
             @Override
-            public void onResponse(Call<PublicationListResponse> call, Response<PublicationListResponse> response) {
+            public void onResponse(Call<PublicationListResponse> call,
+                                   Response<PublicationListResponse> response) {
                 if (response.isSuccessful() && response.body() != null) {
-                    List<Publication> posts = response.body().results;
+                    List<Publication> publications = response.body().results;
-                    Toast.makeText(MainActivity.this,
+
-                            "Posts loaded: " + posts.size(),
+                    // Pass the fully populated list to adapter
-                            Toast.LENGTH_SHORT).show();
+                    postsAdapter.setPosts(publications);
-                    postsAdapter.updateData(posts);
                 } else {
                     Toast.makeText(MainActivity.this,
-                            "Failed to load publications: " + response.code(), Toast.LENGTH_SHORT).show();
+                            "Failed to load posts",
+                            Toast.LENGTH_SHORT).show();
                 }
             }
-
             @Override
             public void onFailure(Call<PublicationListResponse> call, Throwable t) {
                 Toast.makeText(MainActivity.this,
-                        "Failed to load publications: " + t.getMessage(), Toast.LENGTH_SHORT).show();
+                        "Network error",
+                        Toast.LENGTH_SHORT).show();
             }
         });
     }
-
-    @Override
-    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
-        super.onActivityResult(requestCode, resultCode, data);
-        if (requestCode == 100 && resultCode == RESULT_OK) {
-            loadPublications(); // reload feed after new post
-        }
-    }
-
     @Override
     protected void onResume() {
         super.onResume();
         updateAuthUI();
         loadPublications();
     }
-}
+}

app/src/main/java/com/example/gallery/RegisterActivity.java

@@ -5,6 +5,7 @@ import android.os.Bundle;
 import android.view.View;
 import android.widget.Button;
 import android.widget.EditText;
+import android.widget.TextView;
 import android.widget.Toast;
 
 import androidx.appcompat.app.AppCompatActivity;
@@ -22,6 +23,7 @@ public class RegisterActivity extends AppCompatActivity {
 
     EditText username, email, ime, prezime, index, password;
     Button btnRegister;
+    TextView loginTV;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -35,9 +37,14 @@ public class RegisterActivity extends AppCompatActivity {
         index = findViewById(R.id.indexEditText);
         password = findViewById(R.id.passwordEditText);
         btnRegister = findViewById(R.id.btnRegister);
+        loginTV = findViewById(R.id.loginTV);
 
         Toast.makeText(this, "RegisterActivity loaded", Toast.LENGTH_SHORT).show();
 
+loginTV.setOnClickListener(v -> {
+            startActivity(new Intent(RegisterActivity.this, LoginActivity.class));
+        });
+
         btnRegister.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
@@ -48,9 +55,7 @@ public class RegisterActivity extends AppCompatActivity {
                 String s = index.getText().toString().trim();
                 String p = password.getText().toString().trim();
 
-                // ---------------------------
+
-                // ✅ FRONTEND VALIDATIONS
-                // ---------------------------
                 if (u.isEmpty() || u.length() > 150) {
                     username.setError("Username must be 1-150 characters");
                     return;

app/src/main/java/com/example/gallery/VideoPlayerActivity.java

@@ -0,0 +1,32 @@
+package com.example.gallery;
+
+import android.net.Uri;
+import android.os.Bundle;
+import android.widget.MediaController;
+import android.widget.VideoView;
+import androidx.appcompat.app.AppCompatActivity;
+
+public class VideoPlayerActivity extends AppCompatActivity {
+
+    private VideoView videoView;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_video_player);
+
+        videoView = findViewById(R.id.videoView);
+
+        String videoUrl = getIntent().getStringExtra("videoUrl");
+        if (videoUrl != null) {
+            Uri videoUri = Uri.parse(videoUrl);
+            videoView.setVideoURI(videoUri);
+
+            MediaController mediaController = new MediaController(this);
+            mediaController.setAnchorView(videoView);
+            videoView.setMediaController(mediaController);
+
+            videoView.start();
+        }
+    }
+}

app/src/main/java/com/example/gallery/adapters/PostsAdapter.java

@@ -1,104 +1,244 @@
 package com.example.gallery.adapters;
 
-import android.util.Log;
+import android.content.Context;
+import android.content.Intent;
+import android.view.Gravity;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.FrameLayout;
 import android.widget.ImageView;
+import android.widget.RatingBar;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.bumptech.glide.Glide;
 import com.example.gallery.R;
+import com.example.gallery.VideoPlayerActivity;
 import com.example.gallery.api.ApiClient;
+import com.example.gallery.api.ApiService;
 import com.example.gallery.models.Publication;
+import com.example.gallery.models.RatingRequest;
+import com.example.gallery.models.RatingResponse;
 
+import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+
 public class PostsAdapter extends RecyclerView.Adapter<PostsAdapter.PostViewHolder> {
 
-    private final List<Publication> publications;
+    private final Context context;
+    private final ApiService apiService;
+    private final boolean isLoggedIn;
 
-    public PostsAdapter(List<Publication> publications) {
+    private final List<Publication> allPosts = new ArrayList<>();
-        this.publications = publications;
+    private final List<Publication> visiblePosts = new ArrayList<>();
+
+    private Boolean pinnedFilter = null;
+    private String contentTypeFilter = null;
+    private SortMode sortMode = SortMode.TIME;
+
+    public enum SortMode { TIME, RATING }
+
+    public PostsAdapter(Context context, List<Publication> posts, boolean isLoggedIn) {
+        this.context = context;
+        this.isLoggedIn = isLoggedIn;
+        this.apiService = ApiClient.getClient().create(ApiService.class);
+        setPosts(posts);
     }
 
-    public void updateData(List<Publication> newData) {
+    public void setPosts(List<Publication> posts) {
-        publications.clear();
+        allPosts.clear();
-        publications.addAll(newData);
+        if (posts != null) allPosts.addAll(posts);
+        applyFilters();
+    }
+
+    public void filterPinned(Boolean pinned) {
+        pinnedFilter = pinned;
+        applyFilters();
+    }
+
+    public void filterContentType(String type) {
+        contentTypeFilter = type;
+        applyFilters();
+    }
+
+    public void sortBy(SortMode mode) {
+        sortMode = mode;
+        applyFilters();
+    }
+
+    private void applyFilters() {
+        visiblePosts.clear();
+
+        for (Publication p : allPosts) {
+            if (pinnedFilter != null && p.is_pinned != pinnedFilter) continue;
+            if (contentTypeFilter != null &&
+                    !contentTypeFilter.equalsIgnoreCase(p.content_type)) continue;
+            visiblePosts.add(p);
+        }
+
+        if (sortMode == SortMode.TIME) {
+            Collections.sort(visiblePosts,
+                    (a, b) -> b.time_created.compareTo(a.time_created));
+        } else {
+            Collections.sort(visiblePosts,
+                    (a, b) -> Float.compare(b.average_score, a.average_score));
+        }
+
         notifyDataSetChanged();
     }
 
     @NonNull
     @Override
     public PostViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        View view = LayoutInflater.from(parent.getContext())
+        View view = LayoutInflater.from(context)
                 .inflate(R.layout.item_post, parent, false);
         return new PostViewHolder(view);
     }
 
     @Override
     public void onBindViewHolder(@NonNull PostViewHolder holder, int position) {
-        Publication pub = publications.get(position);
 
-        holder.descriptionTV.setText(
+        Publication post = visiblePosts.get(position);
-                pub.description != null ? pub.description : ""
-        );
 
+        // ---------- USER SCORE ----------
+        int userScore = post.user_score != null ? post.user_score : 0;
+        holder.userRatingBar.setOnRatingBarChangeListener(null);
+        holder.userRatingBar.setRating(userScore);
+        holder.yourRating.setText(String.valueOf(userScore));
+
+        // ---------- TEXT ----------
+        holder.postDescription.setText(post.description == null ? "" : post.description);
+        holder.postUserName.setText(post.username == null ? "User" : post.username);
         holder.mediaTypeBadge.setText(
-                pub.content_type != null ? pub.content_type.toUpperCase() : ""
+                post.content_type == null ? "MEDIA" : post.content_type.toUpperCase());
-        );
 
-        String mediaPath = null;
+        // ---------- MEDIA ----------
+        if ("video".equalsIgnoreCase(post.content_type)) {
+            Glide.with(context).asBitmap().load(post.video).into(holder.postImage);
+            holder.videoPlayButton.setVisibility(View.VISIBLE);
 
-        if ("image".equals(pub.content_type)) {
+            View.OnClickListener play = v -> {
-            mediaPath = pub.image;
+                Intent i = new Intent(context, VideoPlayerActivity.class);
-        } else if ("video".equals(pub.content_type)) {
+                i.putExtra("videoUrl", post.video);
-            mediaPath = pub.video;
+                context.startActivity(i);
-        }
+            };
-
-        if (mediaPath != null && !mediaPath.isEmpty()) {
-
-            String fullUrl;
-
-            // ✅ CRITICAL FIX: handle both relative & absolute URLs
-            if (mediaPath.startsWith("http")) {
-                fullUrl = mediaPath;
-            } else {
-                fullUrl = ApiClient.BASE_URL + mediaPath;
-            }
-
-            Log.d("POST_IMAGE_URL", fullUrl);
-
-            Glide.with(holder.itemView.getContext())
-                    .load(fullUrl)
-                    .placeholder(R.drawable.image_placeholder_background)
-                    .error(R.drawable.image_placeholder_background)
-                    .centerCrop()
-                    .into(holder.mediaIV);
 
+            holder.postImage.setOnClickListener(play);
+            holder.videoPlayButton.setOnClickListener(play);
         } else {
-            holder.mediaIV.setImageResource(R.drawable.image_placeholder_background);
+            holder.videoPlayButton.setVisibility(View.GONE);
+            Glide.with(context).load(post.image).into(holder.postImage);
         }
+
+        // ---------- AVERAGE ----------
+        holder.txtAverageValue.setText(String.format("%.1f", post.average_score));
+        holder.averageRatingBar.setRating(post.average_score);
+
+        if (!isLoggedIn) {
+            holder.userRatingBar.setIsIndicator(true);
+            return;
+        }
+
+        holder.userRatingBar.setIsIndicator(false);
+
+        holder.userRatingBar.setOnRatingBarChangeListener((bar, rating, fromUser) -> {
+            if (!fromUser) return;
+
+            int score = Math.round(rating);
+            int adapterPosition = holder.getAdapterPosition();
+            if (adapterPosition == RecyclerView.NO_POSITION) return;
+
+            Publication current = visiblePosts.get(adapterPosition);
+
+            String token = context.getSharedPreferences("MyAppPrefs", Context.MODE_PRIVATE)
+                    .getString("authToken", null);
+
+            apiService.ratePublication("Token " + token,
+                            new RatingRequest(current.pk, score))
+                    .enqueue(new Callback<RatingResponse>() {
+                        @Override
+                        public void onResponse(@NonNull Call<RatingResponse> call,
+                                               @NonNull Response<RatingResponse> response) {
+
+                            if (!response.isSuccessful() || response.body() == null) return;
+
+                            RatingResponse body = response.body();
+
+                            current.user_score = score;
+
+                            if (body.average_score != null) {
+                                current.average_score = body.average_score;
+                            }
+
+                            for (Publication p : allPosts) {
+                                if (p.pk == current.pk) {
+                                    p.user_score = current.user_score;
+                                    p.average_score = current.average_score;
+                                    break;
+                                }
+                            }
+
+                            holder.yourRating.setText(String.valueOf(current.user_score));
+                            holder.averageRatingBar.setRating(current.average_score);
+                            holder.txtAverageValue.setText(
+                                    String.format("%.1f", current.average_score)
+                            );
+
+                            notifyItemChanged(adapterPosition);
+                        }
+
+                        @Override
+                        public void onFailure(@NonNull Call<RatingResponse> call,
+                                              @NonNull Throwable t) {
+                            Toast.makeText(context,
+                                    "Network error", Toast.LENGTH_SHORT).show();
+                        }
+                    });
+        });
     }
 
     @Override
     public int getItemCount() {
-        return publications.size();
+        return visiblePosts.size();
     }
 
     static class PostViewHolder extends RecyclerView.ViewHolder {
-        TextView descriptionTV;
-        TextView mediaTypeBadge;
-        ImageView mediaIV;
 
-        public PostViewHolder(@NonNull View itemView) {
+        RatingBar averageRatingBar, userRatingBar;
+        TextView txtAverageValue, yourRating, postDescription, postUserName, mediaTypeBadge;
+        ImageView postImage, videoPlayButton;
+
+        PostViewHolder(View itemView) {
             super(itemView);
-            descriptionTV = itemView.findViewById(R.id.postDescription);
+
-            mediaIV = itemView.findViewById(R.id.postImage);
+            averageRatingBar = itemView.findViewById(R.id.averageRatingBar);
+            userRatingBar = itemView.findViewById(R.id.userRatingBar);
+            txtAverageValue = itemView.findViewById(R.id.averageRatingText);
+            yourRating = itemView.findViewById(R.id.yourRating);
+            postDescription = itemView.findViewById(R.id.postDescription);
+            postUserName = itemView.findViewById(R.id.postUserName);
             mediaTypeBadge = itemView.findViewById(R.id.mediaTypeBadge);
+            postImage = itemView.findViewById(R.id.postImage);
+
+            FrameLayout parent = (FrameLayout) postImage.getParent();
+            videoPlayButton = new ImageView(itemView.getContext());
+            videoPlayButton.setImageResource(R.drawable.ic_launcher_background);
+            FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(
+                    FrameLayout.LayoutParams.WRAP_CONTENT,
+                    FrameLayout.LayoutParams.WRAP_CONTENT
+            );
+            params.gravity = Gravity.CENTER;
+            parent.addView(videoPlayButton);
+            videoPlayButton.setVisibility(View.GONE);
         }
     }
 }

app/src/main/java/com/example/gallery/api/ApiService.java

@@ -5,6 +5,8 @@ import com.example.gallery.models.LoginRequest;
 import com.example.gallery.models.LoginResponse;
 import com.example.gallery.models.Publication;
 import com.example.gallery.models.PublicationListResponse;
+import com.example.gallery.models.RatingRequest;
+import com.example.gallery.models.RatingResponse;
 import com.example.gallery.models.RegisterRequest;
 import com.example.gallery.models.RegisterResponse;
 
@@ -17,11 +19,11 @@ import retrofit2.http.Header;
 import retrofit2.http.Multipart;
 import retrofit2.http.POST;
 import retrofit2.http.Part;
+import retrofit2.http.Path;
 
 public interface ApiService {
 
-    /* ===================== AUTH ===================== */
+    /* ===================== AUTHENTICATION ===================== */
-
     @POST("api/auth/register/")
     Call<RegisterResponse> register(@Body RegisterRequest request);
 
@@ -32,12 +34,10 @@ public interface ApiService {
     Call<UserResponse> getMe(@Header("Authorization") String token);
 
     /* ================== PUBLICATIONS ================= */
-
     @GET("api/publications/")
     Call<PublicationListResponse> getPublications(
             @Header("Authorization") String token
     );
-
     @Multipart
     @POST("api/publications/")
     Call<Publication> createPublication(
@@ -48,4 +48,10 @@ public interface ApiService {
             @Part("category") RequestBody category,
             @Part MultipartBody.Part file
     );
+    /* ================== RATING ================= */
+    @POST("api/publications/rate/")
+    Call<RatingResponse> ratePublication(
+            @Header("Authorization") String authHeader,
+            @Body RatingRequest request
+    );
 }

app/src/main/java/com/example/gallery/models/Publication.java

@@ -1,11 +1,20 @@
 package com.example.gallery.models;
 
-public class Publication {
+import java.io.Serializable;
+
+public class Publication implements Serializable {
+
     public int pk;
+    public String description;
     public String image;
     public String video;
     public String content_type;
-    public String description;
+
+    public boolean is_pinned;
+
+    public Float average_score;
+    public Integer user_score;
+
+    public String username;
     public String time_created;
 }
-

app/src/main/java/com/example/gallery/models/Rating.java

@@ -0,0 +1,6 @@
+package com.example.gallery.models;
+
+public class Rating {
+    public float score;
+    public String user;
+}

app/src/main/java/com/example/gallery/models/RatingRequest.java

@@ -0,0 +1,10 @@
+package com.example.gallery.models;
+public class RatingRequest {
+    public int publication;
+    public float score;
+
+    public RatingRequest(int publication, float score) {
+        this.publication = publication;
+        this.score = score;
+    }
+}

app/src/main/java/com/example/gallery/models/RatingResponse.java

@@ -0,0 +1,7 @@
+package com.example.gallery.models;
+
+public class RatingResponse {
+    public String detail;
+    public Float average_score;
+    public Float user_score;
+}

app/src/main/res/layout/activity_video_player.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <VideoView
+        android:id="@+id/videoView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"/>
+</FrameLayout>

app/src/main/res/layout/item_post.xml

@@ -40,7 +40,6 @@
                     android:textSize="16sp"
                     android:textStyle="bold"
                     android:textColor="#011f4b"/>
-
             </LinearLayout>
 
             <!-- Media Type Badge -->
@@ -57,7 +56,6 @@
                 android:paddingEnd="14dp"
                 android:paddingTop="6dp"
                 android:paddingBottom="6dp"/>
-
         </LinearLayout>
 
         <!-- Divider -->
@@ -67,6 +65,9 @@
             android:background="#b3cde0"
             android:layout_marginBottom="16dp"/>
 
+        <FrameLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
         <!-- Post Content/Image -->
         <ImageView
             android:id="@+id/postImage"
@@ -76,18 +77,7 @@
             android:background="@drawable/image_placeholder_background"
             android:layout_marginBottom="16dp"
             android:contentDescription="Post content"/>
-
+        </FrameLayout>
-        <!-- Post Title
-        <TextView
-            android:id="@+id/postTitle"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:text="Post Title"
-            android:textSize="18sp"
-            android:textStyle="bold"
-            android:textColor="#011f4b"
-            android:layout_marginBottom="8dp"/>
-            -->
         <!-- Post Description -->
         <TextView
             android:id="@+id/postDescription"
@@ -107,6 +97,7 @@
 
         <!-- Average Rating Section -->
         <TextView
+            android:id="@+id/txtAverage"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:text="Average Rating"
@@ -118,58 +109,73 @@
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:orientation="horizontal"
+            android:layout_marginBottom="24dp"
             android:gravity="center_vertical"
-            android:layout_marginBottom="24dp">
+            android:orientation="horizontal">
 
             <RatingBar
                 android:id="@+id/averageRatingBar"
                 style="?android:attr/ratingBarStyleSmall"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:numStars="5"
+                android:layout_marginEnd="12dp"
-                android:rating="4.5"
                 android:isIndicator="true"
+                android:numStars="5"
+                android:stepSize="0.1"
+                android:rating="0"
                 android:progressTint="#005b96"
-                android:scaleX="1.2"
+                android:secondaryProgressTint="#aaccee"/>
-                android:scaleY="1.2"
-                android:layout_marginEnd="12dp"/>
 
             <TextView
                 android:id="@+id/averageRatingText"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:text="4.5"
+                android:text="0.0"
+                android:textColor="#011f4b"
                 android:textSize="20sp"
-                android:textStyle="bold"
+                android:textStyle="bold"/>
-                android:textColor="#011f4b"/>
-
         </LinearLayout>
 
         <!-- User Rating Section -->
-        <TextView
+        <LinearLayout
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:text="Your Rating"
+            android:orientation="horizontal"
-            android:textSize="14sp"
+            android:layout_marginBottom="12dp"
-            android:textStyle="bold"
+            android:gravity="center_vertical">
-            android:textColor="#03396c"
+
-            android:layout_marginBottom="12dp"/>
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="Your Rating"
+                android:textSize="14sp"
+                android:textStyle="bold"
+                android:textColor="#03396c"
+                android:layout_marginEnd="8dp"/>
+
+            <TextView
+                android:id="@+id/yourRating"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="0"
+                android:textColor="#011f4b"
+                android:textSize="20sp"
+                android:textStyle="bold"
+                android:layout_marginStart="8dp"/>
+        </LinearLayout>
 
         <RatingBar
             android:id="@+id/userRatingBar"
+            style="?android:attr/ratingBarStyleSmall"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:numStars="5"
             android:stepSize="1"
             android:rating="0"
-            android:progressTint="#005b96"
+            android:isIndicator="false"
-            android:scaleX="1.3"
-            android:scaleY="1.3"
             android:layout_gravity="center"
-            android:transformPivotX="0dp"
+            android:progressTint="#005b96"
-            android:transformPivotY="0dp"/>
+            android:secondaryProgressTint="#aaccee"/>
-
     </LinearLayout>
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>