Store ID of selected agent

Restore agent ID from shared prefs
Still one bug with agent.agency ...

app/src/main/java/fr/romanet/vj/apps/myrealestateagency/Config.java

@@ -0,0 +1,21 @@
+package fr.romanet.vj.apps.myrealestateagency;
+
+import fr.romanet.vj.apps.myrealestateagency.entities.Agency;
+
+public class Config {
+
+    private static String sharedPreferences = "prefs";
+    private static String selected_agency_index;
+
+    public static String getSharedPreferences() {
+        return sharedPreferences;
+    }
+
+    public static String get_selected_agency_index() {
+        return selected_agency_index;
+    }
+
+    public static void setSelected_agency_index(String selected_agency_index) {
+        Config.selected_agency_index = selected_agency_index;
+    }
+}

app/src/main/java/fr/romanet/vj/apps/myrealestateagency/adapter/AgentsAdapter.java

@@ -3,6 +3,7 @@ package fr.romanet.vj.apps.myrealestateagency.adapter;
 import java.util.List;
 
 import android.content.Intent;
+import android.content.SharedPreferences;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -11,13 +12,19 @@ import android.widget.TextView;
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView.Adapter;
 import androidx.recyclerview.widget.RecyclerView.ViewHolder;
+
+import fr.romanet.vj.apps.myrealestateagency.Config;
+import fr.romanet.vj.apps.myrealestateagency.MyApp;
 import fr.romanet.vj.apps.myrealestateagency.adapter.AgentsAdapter.AgentViewHolder;
 import fr.romanet.vj.apps.myrealestateagency.entities.Agent;
 import fr.romanet.vj.apps.myrealestateagency.R;
 import fr.romanet.vj.apps.myrealestateagency.view.PropertiesActivity;
 
+import static android.content.Context.MODE_PRIVATE;
+
 public final class AgentsAdapter extends Adapter<AgentViewHolder>{
 
+
     public static final class AgentViewHolder extends ViewHolder{
 
         private final TextView agentFirstName;
@@ -26,6 +33,9 @@ public final class AgentsAdapter extends Adapter<AgentViewHolder>{
 
         private final TextView agencyName;
 
+        SharedPreferences sharedPreferences;
+
+
         public AgentViewHolder(@NonNull View itemView)
         {
             super(itemView);
@@ -48,6 +58,13 @@ public final class AgentsAdapter extends Adapter<AgentViewHolder>{
                     final Intent intent = new Intent(itemView.getContext(), PropertiesActivity.class);
                     intent.putExtra(PropertiesActivity.AGENCY_EXTRA, agent.getAgency());
                     itemView.getContext().startActivity(intent);
+
+                    sharedPreferences = MyApp.getContext().getSharedPreferences(Config.getSharedPreferences(), MODE_PRIVATE);
+                    sharedPreferences.edit()
+                            .putInt(Config.get_selected_agency_index(), agent.agentId)
+                            .apply();
+
+
                 }
             });
         }

app/src/main/java/fr/romanet/vj/apps/myrealestateagency/dao/AgentDao.java

@@ -14,6 +14,9 @@ import fr.romanet.vj.apps.myrealestateagency.entities.Agent;
 @Dao
 public interface AgentDao {
 
+    @Query("SELECT * FROM agent WHERE agent_id = :idAgent")
+    Agent getAgentById(int idAgent);
+
     @Query("SELECT * FROM agent")
     LiveData<List<Agent>> getAgentList();
 

app/src/main/java/fr/romanet/vj/apps/myrealestateagency/repository/AgentRepository.java

@@ -30,4 +30,6 @@ public class AgentRepository {
     {
         return agentDao.getAgency(agent.agentId);
     }
+
+    public Agent getAgentById(Integer id){return agentDao.getAgentById(id);}
 }

app/src/main/java/fr/romanet/vj/apps/myrealestateagency/view/AgentsActivity.java

@@ -6,12 +6,17 @@ import androidx.lifecycle.ViewModelProvider;
 import androidx.recyclerview.widget.DividerItemDecoration;
 import androidx.recyclerview.widget.RecyclerView;
 
+import android.content.Intent;
 import android.os.Bundle;
+import android.util.Log;
+
 import java.util.List;
 
+import fr.romanet.vj.apps.myrealestateagency.MyApp;
 import fr.romanet.vj.apps.myrealestateagency.R;
 import fr.romanet.vj.apps.myrealestateagency.adapter.AgentsAdapter;
 import fr.romanet.vj.apps.myrealestateagency.entities.Agent;
+import fr.romanet.vj.apps.myrealestateagency.repository.AgentRepository;
 import fr.romanet.vj.apps.myrealestateagency.viewmodel.AgentsActivityViewModel;
 
 final public class AgentsActivity extends AppCompatActivity{
@@ -30,8 +35,20 @@ final public class AgentsActivity extends AppCompatActivity{
 
         viewModel = new ViewModelProvider(this).get(AgentsActivityViewModel.class);
         observeAgents();
+
+
+        getLifecycle().addObserver(viewModel);
     }
 
+//    private void observe_selected_agency(){
+//        viewModel.selected_agency.observe(this, new Observer<Integer>() {
+//            @Override
+//            public void onChanged(Integer integer) {
+//
+//            }
+//        });
+//    }
+
     private void observeAgents()
     {
         viewModel.agents.observe(this, new Observer<List<Agent>>()
@@ -42,6 +59,7 @@ final public class AgentsActivity extends AppCompatActivity{
                 viewModel.setAgents();
                 final AgentsAdapter usersAdapter = new AgentsAdapter(users);
                 recyclerView.setAdapter(usersAdapter);
+
             }
         });
     }

app/src/main/java/fr/romanet/vj/apps/myrealestateagency/viewmodel/AgentsActivityViewModel.java

@@ -1,22 +1,37 @@
 package fr.romanet.vj.apps.myrealestateagency.viewmodel;
 
 import android.app.Application;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.util.Log;
 
 import androidx.annotation.NonNull;
 import androidx.lifecycle.AndroidViewModel;
+import androidx.lifecycle.Lifecycle;
+import androidx.lifecycle.LifecycleObserver;
 import androidx.lifecycle.LiveData;
 import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.OnLifecycleEvent;
 
 import java.util.List;
 
+import fr.romanet.vj.apps.myrealestateagency.Config;
+import fr.romanet.vj.apps.myrealestateagency.MyApp;
 import fr.romanet.vj.apps.myrealestateagency.entities.Agency;
 import fr.romanet.vj.apps.myrealestateagency.entities.Agent;
 import fr.romanet.vj.apps.myrealestateagency.repository.AgentRepository;
+import fr.romanet.vj.apps.myrealestateagency.view.PropertiesActivity;
 
-public class AgentsActivityViewModel extends AndroidViewModel {
+import static android.content.Context.MODE_PRIVATE;
+
+public class AgentsActivityViewModel extends AndroidViewModel implements LifecycleObserver {
 
     public LiveData<List<Agent>> agents = new MutableLiveData<>();
+    public MutableLiveData<Integer> selected_agency = new MutableLiveData<>();
+
     public AgentRepository agentRepository;
+    SharedPreferences sharedPreferences;
+
 
     public AgentsActivityViewModel(@NonNull Application application)
     {
@@ -35,4 +50,33 @@ public class AgentsActivityViewModel extends AndroidViewModel {
             currentAgent.setAgency(agency);
         }
     }
+
+    @OnLifecycleEvent(Lifecycle.Event.ON_RESUME)
+    private void restore_shared_prefs(){
+
+        sharedPreferences = MyApp.getContext().getSharedPreferences(Config.getSharedPreferences(), MODE_PRIVATE);
+        int stored_agent_id = sharedPreferences.getInt(Config.get_selected_agency_index(), -1);
+//        selected_agency.postValue(stored_agent_id);
+
+        if (stored_agent_id >= 0){
+                    Log.d("CAT", "=========+++===" + stored_agent_id + "===========");
+//                    if(recyclerView.findViewHolderForAdapterPosition(integer) != null){
+//                        recyclerView.findViewHolderForAdapterPosition(integer).itemView.performClick();
+//                    }else{
+//                        Log.d("CAT", "============" + integer + "== NULL =========");
+//                    }
+            Agent agent = agentRepository.getAgentById(stored_agent_id);
+
+//            Log.d("CAT", "========ID====" + agent.getAgency().agencyId + "===========");
+
+            final Intent intent = new Intent(MyApp.getContext(), PropertiesActivity.class);
+            intent.putExtra(PropertiesActivity.AGENCY_EXTRA, agent.getAgency());
+            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+            MyApp.getContext().startActivity(intent);
+
+        }else{
+            Log.d("CAT", "============" + stored_agent_id + "===========");
+        }
+    }
+
 }