59 lines
2.0 KiB
Java
59 lines
2.0 KiB
Java
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package org.fox.ttrss;
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import android.content.Context;
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import android.database.sqlite.SQLiteDatabase;
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import android.database.sqlite.SQLiteOpenHelper;
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import android.provider.BaseColumns;
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public class DatabaseHelper extends SQLiteOpenHelper {
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private final String TAG = this.getClass().getSimpleName();
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public static final String DATABASE_NAME = "OfflineStorage";
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public static final int DATABASE_VERSION = 1;
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public DatabaseHelper(Context context) {
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super(context, DATABASE_NAME, null, DATABASE_VERSION);
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}
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@Override
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public void onCreate(SQLiteDatabase db) {
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db.execSQL("DROP TABLE IF EXISTS feeds;");
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db.execSQL("DROP TABLE IF EXISTS articles;");
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db.execSQL("DROP VIEW IF EXISTS feeds_unread;");
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db.execSQL("CREATE TABLE IF NOT EXISTS feeds (" +
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BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," +
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"feed_url TEXT, " +
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"title TEXT, " +
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"has_icon BOOLEAN, " +
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"cat_id INTEGER, " +
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");");
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db.execSQL("CREATE TABLE IF NOT EXISTS articles (" +
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BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," +
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"unread BOOLEAN, " +
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"marked BOOLEAN, " +
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"published BOOLEAN, " +
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"updated INTEGER, " +
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"is_updated BOOLEAN, " +
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"title TEXT, " +
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"link TEXT, " +
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"feed_id INTEGER, " +
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"tags TEXT, " +
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"content TEXT, " +
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");");
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db.execSQL("CREATE VIEW feeds_unread AS SELECT feeds."+BaseColumns._ID+" AS "+BaseColumns._ID+", " +
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"feeds.title AS title, " +
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"SUM(articles.unread) AS unread FROM feeds " +
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"LEFT JOIN articles ON (articles.feed_id = feeds."+BaseColumns._ID+") " +
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"GROUP BY feeds."+BaseColumns._ID+", feeds.title;");
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}
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@Override
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public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
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onCreate(db);
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}
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}
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