feat: radio stream add/edit dialog

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

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

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

@@ -36,4 +36,55 @@ public class RadioRepository {
 
         return radioStation;
     }
+
+    public void createInternetRadioStation(String name, String streamURL, String homepageURL) {
+        App.getSubsonicClientInstance(false)
+                .getInternetRadioClient()
+                .createInternetRadioStation(streamURL, name, homepageURL)
+                .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 updateInternetRadioStation(String id, String name, String streamURL, String homepageURL) {
+        App.getSubsonicClientInstance(false)
+                .getInternetRadioClient()
+                .updateInternetRadioStation(id, streamURL, name, homepageURL)
+                .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 deleteInternetRadioStation(String id) {
+        App.getSubsonicClientInstance(false)
+                .getInternetRadioClient()
+                .deleteInternetRadioStation(id)
+                .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) {
+
+                    }
+                });
+    }
 }

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

@@ -0,0 +1,119 @@
+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.DialogRadioEditorBinding;
+import com.cappielloantonio.play.interfaces.RadioCallback;
+import com.cappielloantonio.play.subsonic.models.InternetRadioStation;
+import com.cappielloantonio.play.util.Constants;
+import com.cappielloantonio.play.viewmodel.RadioEditorViewModel;
+
+import java.util.Objects;
+
+public class RadioEditorDialog extends DialogFragment {
+    private DialogRadioEditorBinding bind;
+    private RadioEditorViewModel radioEditorViewModel;
+    private RadioCallback radioCallback;
+
+    private String radioName;
+    private String radioStreamURL;
+    private String radioHomepageURL;
+
+    public RadioEditorDialog(RadioCallback radioCallback) {
+        this.radioCallback = radioCallback;
+    }
+
+    @NonNull
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        bind = DialogRadioEditorBinding.inflate(getLayoutInflater());
+        radioEditorViewModel = new ViewModelProvider(requireActivity()).get(RadioEditorViewModel.class);
+
+        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+
+        builder.setView(bind.getRoot())
+                .setTitle(R.string.radio_editor_dialog_title)
+                .setPositiveButton(R.string.radio_editor_dialog_positive_button, (dialog, id) -> {
+                })
+                .setNeutralButton(R.string.radio_editor_dialog_neutral_button, (dialog, id) -> dialog.cancel())
+                .setNegativeButton(R.string.radio_editor_dialog_negative_button, (dialog, id) -> dialog.cancel());
+
+        return builder.create();
+    }
+
+    @Override
+    public void onStart() {
+        super.onStart();
+
+        setParameterInfo();
+        setButtonAction();
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        bind = null;
+    }
+
+    private void setParameterInfo() {
+        if (getArguments() != null && getArguments().getParcelable(Constants.INTERNET_RADIO_STATION_OBJECT) != null) {
+            InternetRadioStation toEdit = requireArguments().getParcelable(Constants.INTERNET_RADIO_STATION_OBJECT);
+
+            radioEditorViewModel.setRadioToEdit(toEdit);
+
+            bind.internetRadioStationNameTextView.setText(toEdit.getName());
+            bind.internetRadioStationStreamUrlTextView.setText(toEdit.getStreamUrl());
+            bind.internetRadioStationHomepageUrlTextView.setText(toEdit.getHomePageUrl());
+        }
+    }
+
+    private void setButtonAction() {
+        ((AlertDialog) Objects.requireNonNull(getDialog())).getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener(v -> {
+            if (validateInput()) {
+                if (radioEditorViewModel.getRadioToEdit() == null) {
+                    radioEditorViewModel.createRadio(radioName, radioStreamURL, radioHomepageURL);
+                } else {
+                    radioEditorViewModel.updateRadio(radioName, radioStreamURL, radioHomepageURL);
+                }
+
+                dismissDialog();
+            }
+        });
+
+        ((AlertDialog) Objects.requireNonNull(getDialog())).getButton(AlertDialog.BUTTON_NEUTRAL).setOnClickListener(v -> {
+            radioEditorViewModel.deleteRadio();
+            dismissDialog();
+        });
+    }
+
+    private boolean validateInput() {
+        radioName = Objects.requireNonNull(bind.internetRadioStationNameTextView.getText()).toString().trim();
+        radioStreamURL = Objects.requireNonNull(bind.internetRadioStationStreamUrlTextView.getText()).toString().trim();
+        radioHomepageURL = Objects.requireNonNull(bind.internetRadioStationHomepageUrlTextView.getText()).toString().trim();
+
+        if (TextUtils.isEmpty(radioName)) {
+            bind.internetRadioStationNameTextView.setError(getString(R.string.error_required));
+            return false;
+        }
+
+        if (TextUtils.isEmpty(radioStreamURL)) {
+            bind.internetRadioStationStreamUrlTextView.setError(getString(R.string.error_required));
+            return false;
+        }
+
+        return true;
+    }
+
+    private void dismissDialog() {
+        radioCallback.onDismiss();
+        Objects.requireNonNull(getDialog()).dismiss();
+    }
+}

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

@@ -0,0 +1,43 @@
+package com.cappielloantonio.play.viewmodel;
+
+import android.app.Application;
+
+import androidx.annotation.NonNull;
+import androidx.lifecycle.AndroidViewModel;
+
+import com.cappielloantonio.play.repository.RadioRepository;
+import com.cappielloantonio.play.subsonic.models.InternetRadioStation;
+
+public class RadioEditorViewModel extends AndroidViewModel {
+    private static final String TAG = "RadioEditorViewModel";
+
+    private final RadioRepository radioRepository;
+
+    private InternetRadioStation toEdit;
+
+    public RadioEditorViewModel(@NonNull Application application) {
+        super(application);
+
+        radioRepository = new RadioRepository();
+    }
+
+    public InternetRadioStation getRadioToEdit() {
+        return toEdit;
+    }
+
+    public void setRadioToEdit(InternetRadioStation internetRadioStation) {
+        this.toEdit = internetRadioStation;
+    }
+
+    public void createRadio(String name, String streamURL, String homepageURL) {
+        radioRepository.createInternetRadioStation(name, streamURL, homepageURL);
+    }
+
+    public void updateRadio(String name, String streamURL, String homepageURL) {
+        if (toEdit != null) radioRepository.updateInternetRadioStation(toEdit.getId(), name, streamURL, homepageURL);
+    }
+
+    public void deleteRadio() {
+        if (toEdit != null) radioRepository.deleteInternetRadioStation(toEdit.getId());
+    }
+}

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

@@ -4,7 +4,9 @@ import android.app.Application;
 
 import androidx.annotation.NonNull;
 import androidx.lifecycle.AndroidViewModel;
+import androidx.lifecycle.LifecycleOwner;
 import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
 
 import com.cappielloantonio.play.repository.RadioRepository;
 import com.cappielloantonio.play.subsonic.models.InternetRadioStation;
@@ -14,13 +16,16 @@ import java.util.List;
 public class RadioViewModel extends AndroidViewModel {
     private final RadioRepository radioRepository;
 
+    private final MutableLiveData<List<InternetRadioStation>> internetRadioStations = new MutableLiveData<>(null);
+
     public RadioViewModel(@NonNull Application application) {
         super(application);
 
         radioRepository = new RadioRepository();
     }
 
-    public LiveData<List<InternetRadioStation>> getInternetRadioStations() {
+    public LiveData<List<InternetRadioStation>> getInternetRadioStations(LifecycleOwner owner) {
-        return radioRepository.getInternetRadioStations();
+        radioRepository.getInternetRadioStations().observe(owner, internetRadioStations::postValue);
+        return internetRadioStations;
     }
 }

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

@@ -0,0 +1,67 @@
+<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/internet_radio_station_name_text_view"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:hint="@string/radio_editor_dialog_hint_name"
+            android:inputType="textNoSuggestions"
+            android:textCursorDrawable="@null" />
+    </com.google.android.material.textfield.TextInputLayout>
+
+    <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_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/internet_radio_station_stream_url_text_view"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:hint="@string/radio_editor_dialog_hint_stream_url"
+            android:inputType="textNoSuggestions"
+            android:textCursorDrawable="@null" />
+    </com.google.android.material.textfield.TextInputLayout>
+
+    <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_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/internet_radio_station_homepage_url_text_view"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:hint="@string/radio_editor_dialog_hint_homepage_url"
+            android:inputType="textNoSuggestions"
+            android:textCursorDrawable="@null" />
+    </com.google.android.material.textfield.TextInputLayout>
+</LinearLayout>

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

@@ -58,6 +58,7 @@
     <string name="filter_title_expanded">Filter Genres</string>
     <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_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>
@@ -118,6 +119,13 @@
     <string name="playlist_page_shuffle_button">Shuffle</string>
     <string name="playlist_song_count">Playlist  •  %1$d songs</string>
     <string name="podcast_release_date_duration_formatter">%1$s  •  %2$s</string>
+    <string name="radio_editor_dialog_hint_name">Radio Name</string>
+    <string name="radio_editor_dialog_hint_stream_url">Radio Stream URL</string>
+    <string name="radio_editor_dialog_hint_homepage_url">Radio Homepage URL</string>
+    <string name="radio_editor_dialog_negative_button">Cancel</string>
+    <string name="radio_editor_dialog_neutral_button">Delete</string>
+    <string name="radio_editor_dialog_positive_button">Save</string>
+    <string name="radio_editor_dialog_title">Internet Radio Station</string>
     <string name="rating_dialog_negative_button">Cancel</string>
     <string name="rating_dialog_positive_button">Save</string>
     <string name="rating_dialog_title">Rate</string>