Add legacy importer

Author: kh0r

app/build.gradle

@@ -8,8 +8,8 @@ android {
         applicationId "org.aykit.MyOwnNotes"
         minSdkVersion 16
         targetSdkVersion 23
-        versionCode 1
-        versionName '0.1'
+        versionCode 10
+        versionName '2.0b'
     }
     buildTypes {
         release {
@@ -23,7 +23,7 @@ android {
             resValue "string", "app_name", "MyOwnNotes[Local]"
         }
         store {
-            applicationId 'org.aykit.MyOwnNotes.store'
+            applicationId 'org.aykit.MyOwnNotes'
             resValue "string", "app_name", "MyOwnNotes"
         }
     }

app/src/main/java/org/aykit/MyOwnNotes/activities/NoteListActivity.java

@@ -30,8 +30,11 @@
 import org.aykit.MyOwnNotes.database.model.Note;
 import org.aykit.MyOwnNotes.fragments.NoteDetailFragment;
 import org.aykit.MyOwnNotes.fragments.NoteListFragment;
+import org.aykit.MyOwnNotes.helpers.LegacyImporter;
 import org.aykit.MyOwnNotes.helpers.Settings;
 
+import java.util.List;
+
 import butterknife.Bind;
 import butterknife.ButterKnife;
 
@@ -91,6 +94,8 @@ protected void onCreate(Bundle savedInstanceState) {
         setContentView(R.layout.activity_note_app_bar);
         ButterKnife.bind(this);
 
+        checkForLegacyDatabase();
+
         setSupportActionBar(toolbar);
         toolbar.setTitle(getTitle());
 
@@ -256,4 +261,21 @@ public void run() {
                 .negativeText(android.R.string.no)
                 .show();
     }
+
+    private void checkForLegacyDatabase(){
+        LegacyImporter importer = new LegacyImporter(this);
+        if (importer.checkForMigration()){
+            final List<Note> extractedNotes = importer.extractNotes();
+
+            new Thread(new Runnable() {
+                @Override
+                public void run() {
+                    for (Note note : extractedNotes) {
+                        getContentResolver().insert(NotesProvider.NOTES.CONTENT_URI, note.getContentValues());
+                    }
+                    SyncNotesAsyncTask.start(NoteListActivity.this);
+                }
+            }).start();
+        }
+    }
 }

app/src/main/java/org/aykit/MyOwnNotes/helpers/LegacyImporter.java

@@ -0,0 +1,67 @@
+package org.aykit.MyOwnNotes.helpers;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+
+import org.aykit.MyOwnNotes.database.model.Note;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Created by mklepp on 21/02/16.
+ */
+public class LegacyImporter {
+
+    static final String LEGACY_DB_NAME = "notes.db";
+
+    private Context mContext;
+
+    public LegacyImporter(Context context) {
+        this.mContext = context;
+    }
+
+    private File getDatabasePath(){
+        return mContext.getDatabasePath(LEGACY_DB_NAME);
+    }
+
+    public boolean checkForMigration(){
+        File oldDb = getDatabasePath();
+
+        if (oldDb.exists()){
+            return true;
+        }
+
+        return false;
+    }
+
+    public List<Note> extractNotes(){
+
+        List<Note> extractedNotes = new ArrayList<>();
+
+        SQLiteDatabase db = SQLiteDatabase.openOrCreateDatabase(getDatabasePath(), null);
+
+        Cursor cursor = db.rawQuery("SELECT * FROM notes WHERE noteStatus IS NOT NULL", null);
+
+        if (cursor!=null)
+        {
+            while(cursor.moveToNext()){
+                Note note = new Note();
+                note.title = "Unsynchronized Note from previous version";
+                note.content = cursor.getString(cursor.getColumnIndex("content"));
+
+                extractedNotes.add(note);
+            }
+
+            // close and delete old database
+            db.close();
+            getDatabasePath().delete();
+        } else {
+            db.close();
+        }
+
+        return extractedNotes;
+    }
+}