ShuriZma
/
dolphin
mirror of https://github.com/dolphin-emu/dolphin.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Android: Database improvements - remove non-existent games & folders.

This commit is contained in:
sigmabeta 2015-06-08 20:27:12 -04:00
parent d56f27857b
commit b7dcbdbf57
2 changed files with 86 additions and 43 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

128
Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/model/GameDatabase.java
View File

@ -111,10 +111,35 @@ public final class GameDatabase extends SQLiteOpenHelper
public void scanLibrary(SQLiteDatabase database)
{
// TODO Before scanning known folders, go through the game table and remove any entries for which the file itself is missing.
// Before scanning known folders, go through the game table and remove any entries for which the file itself is missing.
Cursor fileCursor = database.query(TABLE_NAME_GAMES,
null, // Get all columns.
null, // Get all rows.
null,
null, // No grouping.
null,
null); // Order of games is irrelevant.
// Possibly overly defensive, but ensures that moveToNext() does not skip a row.
fileCursor.moveToPosition(-1);
while (fileCursor.moveToNext())
{
String gamePath = fileCursor.getString(GAME_COLUMN_PATH);
File game = new File(gamePath);
if (!game.exists())
{
Log.e("DolphinEmu", "Game file no longer exists. Removing from the library: " + gamePath);
database.delete(TABLE_NAME_GAMES,
KEY_DB_ID + " = ?",
new String[]{Long.toString(fileCursor.getLong(COLUMN_DB_ID))});
}
}
// Get a cursor listing all the folders the user has added to the library.
Cursor cursor = database.query(TABLE_NAME_FOLDERS,
Cursor folderCursor = database.query(TABLE_NAME_FOLDERS,
null, // Get all columns.
null, // Get all rows.
null,
@ -125,74 +150,91 @@ public final class GameDatabase extends SQLiteOpenHelper
Set<String> allowedExtensions = new HashSet<String>(Arrays.asList(".dff", ".dol", ".elf", ".gcm", ".gcz", ".iso", ".wad", ".wbfs"));
// Possibly overly defensive, but ensures that moveToNext() does not skip a row.
cursor.moveToPosition(-1);
folderCursor.moveToPosition(-1);
// Iterate through all results of the DB query (i.e. all folders in the library.)
while (cursor.moveToNext())
while (folderCursor.moveToNext())
{
String folderPath = cursor.getString(FOLDER_COLUMN_PATH);
String folderPath = folderCursor.getString(FOLDER_COLUMN_PATH);
File folder = new File(folderPath);
Log.i("DolphinEmu", "Reading files from library folder: " + folderPath);
// Iterate through every file in the folder.
File[] children = folder.listFiles();
for (File file : children)
if (children != null)
{
if (!file.isHidden() && !file.isDirectory())
for (File file : children)
{
String filePath = file.getPath();
int extensionStart = filePath.lastIndexOf('.');
if (extensionStart > 0)
if (!file.isHidden() && !file.isDirectory())
{
String fileExtension = filePath.substring(extensionStart);
String filePath = file.getPath();
// Check that the file has an extension we care about before trying to read out of it.
if (allowedExtensions.contains(fileExtension))
int extensionStart = filePath.lastIndexOf('.');
if (extensionStart > 0)
{
String name = NativeLibrary.GetTitle(filePath);
String fileExtension = filePath.substring(extensionStart);
// If the game's title field is empty, use the filename.
if (name.isEmpty())
// Check that the file has an extension we care about before trying to read out of it.
if (allowedExtensions.contains(fileExtension))
{
name = filePath.substring(filePath.lastIndexOf("/") + 1);
}
String name = NativeLibrary.GetTitle(filePath);
ContentValues game = Game.asContentValues(NativeLibrary.GetPlatform(filePath),
name,
NativeLibrary.GetDescription(filePath).replace("\n", " "),
NativeLibrary.GetCountry(filePath),
filePath,
NativeLibrary.GetGameId(filePath),
NativeLibrary.GetCompany(filePath));
// If the game's title field is empty, use the filename.
if (name.isEmpty())
{
name = filePath.substring(filePath.lastIndexOf("/") + 1);
}
// Try to update an existing game first.
int rowsMatched = database.update(TABLE_NAME_GAMES, // Which table to update.
game, // The values to fill the row with.
KEY_GAME_ID + " = ?", // The WHERE clause used to find the right row.
new String[]{game.getAsString(KEY_GAME_ID)}); // The ? in WHERE clause is replaced with this,
// which is provided as an array because there
// could potentially be more than one argument.
ContentValues game = Game.asContentValues(NativeLibrary.GetPlatform(filePath),
name,
NativeLibrary.GetDescription(filePath).replace("\n", " "),
NativeLibrary.GetCountry(filePath),
filePath,
NativeLibrary.GetGameId(filePath),
NativeLibrary.GetCompany(filePath));
// If update fails, insert a new game instead.
if (rowsMatched == 0)
{
Log.v("DolphinEmu", "Adding game: " + game.getAsString(KEY_GAME_TITLE));
database.insert(TABLE_NAME_GAMES, null, game);
}
else
{
Log.v("DolphinEmu", "Updated game: " + game.getAsString(KEY_GAME_TITLE));
// Try to update an existing game first.
int rowsMatched = database.update(TABLE_NAME_GAMES, // Which table to update.
game, // The values to fill the row with.
KEY_GAME_ID + " = ?", // The WHERE clause used to find the right row.
new String[]{game.getAsString(KEY_GAME_ID)}); // The ? in WHERE clause is replaced with this,
// which is provided as an array because there
// could potentially be more than one argument.
// If update fails, insert a new game instead.
if (rowsMatched == 0)
{
Log.v("DolphinEmu", "Adding game: " + game.getAsString(KEY_GAME_TITLE));
database.insert(TABLE_NAME_GAMES, null, game);
}
else
{
Log.v("DolphinEmu", "Updated game: " + game.getAsString(KEY_GAME_TITLE));
}
}
}
}
}
}
// If the folder is empty because it no longer exists, remove it from the library.
else if (!folder.exists())
{
Log.e("DolphinEmu", "Folder no longer exists. Removing from the library: " + folderPath);
database.delete(TABLE_NAME_FOLDERS,
KEY_DB_ID + " = ?",
new String[]{Long.toString(folderCursor.getLong(COLUMN_DB_ID))});
}
else
{
Log.e("DolphinEmu", "Folder contains no games: " + folderPath);
}
}
cursor.close();
folderCursor.close();
database.close();
}
}

1
Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/model/GameProvider.java
View File

@ -98,6 +98,7 @@ public final class GameProvider extends ContentProvider
{
if (table.equals(REFRESH_LIBRARY))
{
Log.i("DolphinEmu", "URI specified table REFRESH_LIBRARY. No insertion necessary; refreshing library contents...");
mDbHelper.scanLibrary(database);
return uri;
}