From 85597a82d065374955153c0481663fac2b0c3264 Mon Sep 17 00:00:00 2001
From: Alex Ning <chineseperson5@gmail.com>
Date: Thu, 8 Aug 2019 20:19:38 +0800
Subject: Switch between all logged-in reddit accounts is available.

---
 .../infinityforreddit/MainActivity.java            | 14 ++++++----
 .../infinityforreddit/SwitchAccountAsyncTask.java  | 32 ++++++++++++++++++++++
 2 files changed, 41 insertions(+), 5 deletions(-)
 create mode 100644 app/src/main/java/ml/docilealligator/infinityforreddit/SwitchAccountAsyncTask.java

(limited to 'app/src/main/java/ml')

diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/MainActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/MainActivity.java
index 2f6c313b..5f5272f7 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/MainActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/MainActivity.java
@@ -191,7 +191,7 @@ public class MainActivity extends AppCompatActivity implements SortTypeBottomShe
                 new AccountRecyclerViewAdapter.ItemSelectedListener() {
             @Override
             public void accountSelected(Account account) {
-
+                new SwitchAccountAsyncTask(mRedditDataRoomDatabase, account.getUsername(), () -> relaunchActivity()).execute();
             }
 
             @Override
@@ -349,13 +349,17 @@ public class MainActivity extends AppCompatActivity implements SortTypeBottomShe
         }
     }
 
+    private void relaunchActivity() {
+        Intent intent = getIntent();
+        finish();
+        startActivity(intent);
+        overridePendingTransition(0, 0);
+    }
+
     @Override
     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
         if(requestCode == LOGIN_ACTIVITY_REQUEST_CODE && resultCode == Activity.RESULT_OK) {
-            Intent intent = getIntent();
-            finish();
-            startActivity(intent);
-            overridePendingTransition(0, 0);
+            relaunchActivity();
         }
 
         super.onActivityResult(requestCode, resultCode, data);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/SwitchAccountAsyncTask.java b/app/src/main/java/ml/docilealligator/infinityforreddit/SwitchAccountAsyncTask.java
new file mode 100644
index 00000000..f5b9c37b
--- /dev/null
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/SwitchAccountAsyncTask.java
@@ -0,0 +1,32 @@
+package ml.docilealligator.infinityforreddit;
+
+import android.os.AsyncTask;
+
+class SwitchAccountAsyncTask extends AsyncTask<Void, Void, Void> {
+    interface SwitchAccountAsyncTaskListener {
+        void switched();
+    }
+
+    private RedditDataRoomDatabase redditDataRoomDatabase;
+    private String newAccountName;
+    private SwitchAccountAsyncTaskListener switchAccountAsyncTaskListener;
+
+    SwitchAccountAsyncTask(RedditDataRoomDatabase redditDataRoomDatabase, String newAccountName,
+                           SwitchAccountAsyncTaskListener switchAccountAsyncTaskListener) {
+        this.redditDataRoomDatabase = redditDataRoomDatabase;
+        this.newAccountName = newAccountName;
+        this.switchAccountAsyncTaskListener = switchAccountAsyncTaskListener;
+    }
+
+    @Override
+    protected Void doInBackground(Void... voids) {
+        redditDataRoomDatabase.accountDao().markAllAccountsNonCurrent();
+        redditDataRoomDatabase.accountDao().markAccountCurrent(newAccountName);
+        return null;
+    }
+
+    @Override
+    protected void onPostExecute(Void aVoid) {
+        switchAccountAsyncTaskListener.switched();
+    }
+}
-- 
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