feat: add ability to add podcast channels

app/src/main/java/com/cappielloantonio/play/interfaces/PodcastCallback.java

@@ -0,0 +1,6 @@
+package com.cappielloantonio.play.interfaces;
+
+public interface PodcastCallback {
+
+    void onDismiss();
+}

app/src/main/java/com/cappielloantonio/play/repository/PodcastRepository.java

@@ -83,6 +83,23 @@ public class PodcastRepository {
                 });
     }
 
+    public void createPodcastChannel(String url) {
+        App.getSubsonicClientInstance(false)
+                .getPodcastClient()
+                .createPodcastChannel(url)
+                .enqueue(new Callback<ApiResponse>() {
+                    @Override
+                    public void onResponse(@NonNull Call<ApiResponse> call, @NonNull Response<ApiResponse> response) {
+
+                    }
+
+                    @Override
+                    public void onFailure(@NonNull Call<ApiResponse> call, @NonNull Throwable t) {
+
+                    }
+                });
+    }
+
     public void deletePodcastChannel(String channelId) {
         App.getSubsonicClientInstance(false)
                 .getPodcastClient()

app/src/main/java/com/cappielloantonio/play/subsonic/api/podcast/PodcastService.java

@@ -20,6 +20,9 @@ public interface PodcastService {
     @GET("refreshPodcasts")
     Call<ApiResponse> refreshPodcasts(@QueryMap Map<String, String> params);
 
+    @GET("createPodcastChannel")
+    Call<ApiResponse> createPodcastChannel(@QueryMap Map<String, String> params, @Query("url") String url);
+
     @GET("deletePodcastChannel")
     Call<ApiResponse> deletePodcastChannel(@QueryMap Map<String, String> params, @Query("id") String id);
 

app/src/main/java/com/cappielloantonio/play/ui/dialog/PodcastChannelEditorDialog.java

@@ -0,0 +1,84 @@
+package com.cappielloantonio.play.ui.dialog;
+
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.os.Bundle;
+import android.text.TextUtils;
+
+import androidx.annotation.NonNull;
+import androidx.fragment.app.DialogFragment;
+import androidx.lifecycle.ViewModelProvider;
+
+import com.cappielloantonio.play.R;
+import com.cappielloantonio.play.databinding.DialogPodcastChannelEditorBinding;
+import com.cappielloantonio.play.interfaces.PodcastCallback;
+import com.cappielloantonio.play.viewmodel.PodcastChannelEditorViewModel;
+
+import java.util.Objects;
+
+public class PodcastChannelEditorDialog extends DialogFragment {
+    private DialogPodcastChannelEditorBinding bind;
+    private PodcastChannelEditorViewModel podcastChannelEditorViewModel;
+    private PodcastCallback podcastCallback;
+
+    private String channelUrl;
+
+    public PodcastChannelEditorDialog(PodcastCallback podcastCallback) {
+        this.podcastCallback = podcastCallback;
+    }
+
+    @NonNull
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        bind = DialogPodcastChannelEditorBinding.inflate(getLayoutInflater());
+        podcastChannelEditorViewModel = new ViewModelProvider(requireActivity()).get(PodcastChannelEditorViewModel.class);
+
+        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+
+        builder.setView(bind.getRoot())
+                .setTitle(R.string.podcast_channel_editor_dialog_title)
+                .setPositiveButton(R.string.radio_editor_dialog_positive_button, (dialog, id) -> {
+                })
+                .setNegativeButton(R.string.radio_editor_dialog_negative_button, (dialog, id) -> dialog.cancel());
+
+        return builder.create();
+    }
+
+    @Override
+    public void onStart() {
+        super.onStart();
+
+        setButtonAction();
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        bind = null;
+    }
+
+    private void setButtonAction() {
+        ((AlertDialog) Objects.requireNonNull(getDialog())).getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener(v -> {
+            if (validateInput()) {
+                podcastChannelEditorViewModel.createChannel(channelUrl);
+                dismissDialog();
+            }
+        });
+    }
+
+    private boolean validateInput() {
+        channelUrl = Objects.requireNonNull(bind.podcastChannelRssUrlNameTextView.getText()).toString().trim();
+
+        if (TextUtils.isEmpty(channelUrl)) {
+            bind.podcastChannelRssUrlNameTextView.setError(getString(R.string.error_required));
+            return false;
+        }
+
+        return true;
+    }
+
+    private void dismissDialog() {
+        podcastCallback.onDismiss();
+        Objects.requireNonNull(getDialog()).dismiss();
+    }
+}

app/src/main/java/com/cappielloantonio/play/ui/fragment/HomeTabPodcastFragment.java

@@ -2,6 +2,7 @@ package com.cappielloantonio.play.ui.fragment;
 
 import android.content.ComponentName;
 import android.os.Bundle;
+import android.os.Handler;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -19,11 +20,13 @@ import androidx.recyclerview.widget.LinearLayoutManager;
 import com.cappielloantonio.play.R;
 import com.cappielloantonio.play.databinding.FragmentHomeTabPodcastBinding;
 import com.cappielloantonio.play.interfaces.ClickCallback;
+import com.cappielloantonio.play.interfaces.PodcastCallback;
 import com.cappielloantonio.play.service.MediaManager;
 import com.cappielloantonio.play.service.MediaService;
 import com.cappielloantonio.play.ui.activity.MainActivity;
 import com.cappielloantonio.play.ui.adapter.PodcastChannelHorizontalAdapter;
 import com.cappielloantonio.play.ui.adapter.PodcastEpisodeAdapter;
+import com.cappielloantonio.play.ui.dialog.PodcastChannelEditorDialog;
 import com.cappielloantonio.play.util.Constants;
 import com.cappielloantonio.play.util.Preferences;
 import com.cappielloantonio.play.util.UIUtil;
@@ -34,7 +37,7 @@ import java.util.Objects;
 import java.util.stream.Collectors;
 
 @UnstableApi
-public class HomeTabPodcastFragment extends Fragment implements ClickCallback {
+public class HomeTabPodcastFragment extends Fragment implements ClickCallback, PodcastCallback {
     private static final String TAG = "HomeTabPodcastFragment";
 
     private FragmentHomeTabPodcastBinding bind;
@@ -88,6 +91,11 @@ public class HomeTabPodcastFragment extends Fragment implements ClickCallback {
     }
 
     private void init() {
+        bind.podcastChannelsPreTextView.setOnClickListener(v -> {
+            PodcastChannelEditorDialog dialog = new PodcastChannelEditorDialog(this);
+            dialog.show(activity.getSupportFragmentManager(), null);
+        });
+
         bind.podcastChannelsTextViewClickable.setOnClickListener(v -> activity.navController.navigate(R.id.action_homeFragment_to_podcastChannelCatalogueFragment));
         bind.hideSectionButton.setOnClickListener(v -> Preferences.setPodcastSectionHidden());
     }
@@ -169,4 +177,12 @@ public class HomeTabPodcastFragment extends Fragment implements ClickCallback {
     public void onPodcastChannelLongClick(Bundle bundle) {
         Navigation.findNavController(requireView()).navigate(R.id.podcastChannelBottomSheetDialog, bundle);
     }
+
+    @Override
+    public void onDismiss() {
+        new Handler().postDelayed(() -> {
+            if (podcastViewModel != null) podcastViewModel.refreshPodcastChannels(getViewLifecycleOwner());
+            if (podcastViewModel != null) podcastViewModel.refreshNewestPodcastEpisodes(getViewLifecycleOwner());
+        }, 1000);
+    }
 }

app/src/main/java/com/cappielloantonio/play/viewmodel/PodcastChannelEditorViewModel.java

@@ -0,0 +1,28 @@
+package com.cappielloantonio.play.viewmodel;
+
+import android.app.Application;
+
+import androidx.annotation.NonNull;
+import androidx.lifecycle.AndroidViewModel;
+
+import com.cappielloantonio.play.repository.PodcastRepository;
+import com.cappielloantonio.play.repository.RadioRepository;
+import com.cappielloantonio.play.subsonic.models.InternetRadioStation;
+
+public class PodcastChannelEditorViewModel extends AndroidViewModel {
+    private static final String TAG = "RadioEditorViewModel";
+
+    private final PodcastRepository podcastRepository;
+
+    private InternetRadioStation toEdit;
+
+    public PodcastChannelEditorViewModel(@NonNull Application application) {
+        super(application);
+
+        podcastRepository = new PodcastRepository();
+    }
+
+    public void createChannel(String url) {
+        podcastRepository.createPodcastChannel(url);
+    }
+}

app/src/main/java/com/cappielloantonio/play/viewmodel/PodcastViewModel.java

@@ -41,4 +41,12 @@ public class PodcastViewModel extends AndroidViewModel {
 
         return podcastChannels;
     }
+
+    public void refreshNewestPodcastEpisodes(LifecycleOwner owner) {
+        podcastRepository.getNewestPodcastEpisodes(20).observe(owner, newestPodcastEpisodes::postValue);
+    }
+
+    public void refreshPodcastChannels(LifecycleOwner owner) {
+        podcastRepository.getPodcastChannels(false, null).observe(owner, podcastChannels::postValue);
+    }
 }

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

@@ -0,0 +1,27 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical">
+
+    <com.google.android.material.textfield.TextInputLayout
+        style="@style/Widget.Material3.TextInputLayout.OutlinedBox"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="24dp"
+        android:layout_marginTop="24dp"
+        android:layout_marginEnd="24dp"
+        android:textColorHint="?android:textColorHint"
+        app:endIconMode="clear_text"
+        app:endIconTint="?android:textColorSecondary"
+        app:errorEnabled="true">
+
+        <com.google.android.material.textfield.TextInputEditText
+            android:id="@+id/podcast_channel_rss_url_name_text_view"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:hint="@string/podcast_channel_editor_dialog_hint_rss_url"
+            android:inputType="textNoSuggestions"
+            android:textCursorDrawable="@null" />
+    </com.google.android.material.textfield.TextInputLayout>
+</LinearLayout>

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

@@ -26,6 +26,17 @@
                 android:orientation="vertical"
                 android:paddingBottom="8dp">
 
+                <TextView
+                    android:id="@+id/podcast_channels_pre_text_view"
+                    style="@style/TitleMedium"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:paddingStart="16dp"
+                    android:paddingTop="16dp"
+                    android:paddingEnd="16dp"
+                    android:text="@string/home_subtitle_new_podcast_channel"
+                    android:textAllCaps="true" />
+
                 <!--  Label and button  -->
                 <LinearLayout
                     android:layout_width="match_parent"
@@ -38,7 +49,6 @@
                         android:layout_height="wrap_content"
                         android:layout_weight="1"
                         android:paddingStart="16dp"
-                        android:paddingTop="16dp"
                         android:paddingEnd="16dp"
                         android:text="@string/home_title_podcast_channels" />
 

app/src/main/res/values/strings.xml

@@ -59,6 +59,7 @@
     <string name="genre_catalogue_title">Genre Catalogue</string>
     <string name="genre_catalogue_title_expanded">Browse Genres</string>
     <string name="home_subtitle_new_internet_radio_station">Add a new radio</string>
+    <string name="home_subtitle_new_podcast_channel">Add a new podcast channel</string>
     <string name="home_subtitle_made_for_you">Start mix from a song you liked</string>
     <string name="home_sync_starred_title">Looks like there are some starred tracks to sync</string>
     <string name="home_sync_starred_subtitle">Downloading these tracks may involve significant data usage</string>
@@ -124,6 +125,8 @@
     <string name="podcast_channel_catalogue_title">Channels</string>
     <string name="podcast_channel_page_title_description_section">Description</string>
     <string name="podcast_channel_page_title_episode_section">Episodes</string>
+    <string name="podcast_channel_editor_dialog_hint_rss_url">RSS Url</string>
+    <string name="podcast_channel_editor_dialog_title">Podcast Channel</string>
     <string name="podcast_release_date_duration_formatter">%1$s  •  %2$s</string>
 
     <string name="podcast_info_empty_subtitle">Once you add a channel, you\'ll find it here</string>