/*
* Copyright 2010 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.android.apps.iosched.provider;
import com.google.android.apps.iosched.provider.ScheduleContract.Blocks;
import com.google.android.apps.iosched.provider.ScheduleContract.BlocksColumns;
import com.google.android.apps.iosched.provider.ScheduleContract.Notes;
import com.google.android.apps.iosched.provider.ScheduleContract.NotesColumns;
import com.google.android.apps.iosched.provider.ScheduleContract.Rooms;
import com.google.android.apps.iosched.provider.ScheduleContract.RoomsColumns;
import com.google.android.apps.iosched.provider.ScheduleContract.Sessions;
import com.google.android.apps.iosched.provider.ScheduleContract.SessionsColumns;
import com.google.android.apps.iosched.provider.ScheduleContract.Speakers;
import com.google.android.apps.iosched.provider.ScheduleContract.SpeakersColumns;
import com.google.android.apps.iosched.provider.ScheduleContract.SyncColumns;
import com.google.android.apps.iosched.provider.ScheduleContract.Tracks;
import com.google.android.apps.iosched.provider.ScheduleContract.TracksColumns;
import com.google.android.apps.iosched.provider.ScheduleContract.Vendors;
import com.google.android.apps.iosched.provider.ScheduleContract.VendorsColumns;
import com.kupriyanov.android.apps.gddsched.de.Setup;
import android.app.SearchManager;
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.provider.BaseColumns;
import android.util.Log;
/**
* Helper for managing {@link SQLiteDatabase} that stores data for
* {@link ScheduleProvider}.
*/
public class ScheduleDatabase extends SQLiteOpenHelper {
private static final String TAG = "ScheduleDatabase";
// private static final String DATABASE_NAME = "schedule33.db";
private static final String DATABASE_NAME = Setup.DATABASE_NAME;
// NOTE: carefully update onUpgrade() when bumping database versions to make
// sure user data is saved.
private static final int VER_LAUNCH = 18;
private static final int VER_SESSION_HASHTAG = Setup.VER_SESSION_HASHTAG;
private static final int DATABASE_VERSION = VER_SESSION_HASHTAG;
interface Tables {
String BLOCKS = "blocks";
String TRACKS = "tracks";
String ROOMS = "rooms";
String SESSIONS = "sessions";
String SPEAKERS = "speakers";
String SESSIONS_SPEAKERS = "sessions_speakers";
String SESSIONS_TRACKS = "sessions_tracks";
String VENDORS = "vendors";
String NOTES = "notes";
String SESSIONS_SEARCH = "sessions_search";
String VENDORS_SEARCH = "vendors_search";
String SEARCH_SUGGEST = "search_suggest";
String SESSIONS_JOIN_BLOCKS_ROOMS = "sessions "
+ "LEFT OUTER JOIN blocks ON sessions.block_id=blocks.block_id "
+ "LEFT OUTER JOIN rooms ON sessions.room_id=rooms.room_id";
String VENDORS_JOIN_TRACKS = "vendors "
+ "LEFT OUTER JOIN tracks ON vendors.track_id=tracks.track_id";
String SESSIONS_SPEAKERS_JOIN_SPEAKERS = "sessions_speakers "
+ "LEFT OUTER JOIN speakers ON sessions_speakers.speaker_id=speakers.speaker_id";
String SESSIONS_SPEAKERS_JOIN_SESSIONS_BLOCKS_ROOMS = "sessions_speakers "
+ "LEFT OUTER JOIN sessions ON sessions_speakers.session_id=sessions.session_id "
+ "LEFT OUTER JOIN blocks ON sessions.block_id=blocks.block_id "
+ "LEFT OUTER JOIN rooms ON sessions.room_id=rooms.room_id";
String SESSIONS_TRACKS_JOIN_TRACKS = "sessions_tracks "
+ "LEFT OUTER JOIN tracks ON sessions_tracks.track_id=tracks.track_id";
String SESSIONS_TRACKS_JOIN_SESSIONS_BLOCKS_ROOMS = "sessions_tracks "
+ "LEFT OUTER JOIN sessions ON sessions_tracks.session_id=sessions.session_id "
+ "LEFT OUTER JOIN blocks ON sessions.block_id=blocks.block_id "
+ "LEFT OUTER JOIN rooms ON sessions.room_id=rooms.room_id";
String SESSIONS_SEARCH_JOIN_SESSIONS_BLOCKS_ROOMS = "sessions_search "
+ "LEFT OUTER JOIN sessions ON sessions_search.session_id=sessions.session_id "
+ "LEFT OUTER JOIN blocks ON sessions.block_id=blocks.block_id "
+ "LEFT OUTER JOIN rooms ON sessions.room_id=rooms.room_id";
String VENDORS_SEARCH_JOIN_VENDORS_TRACKS = "vendors_search "
+ "LEFT OUTER JOIN vendors ON vendors_search.vendor_id=vendors.vendor_id "
+ "LEFT OUTER JOIN tracks ON vendors.track_id=tracks.track_id";
}
private interface Triggers {
String SESSIONS_SEARCH_INSERT = "sessions_search_insert";
String SESSIONS_SEARCH_DELETE = "sessions_search_delete";
String VENDORS_SEARCH_INSERT = "vendors_search_insert";
String VENDORS_SEARCH_DELETE = "vendors_search_delete";
}
public interface SessionsSpeakers {
String SESSION_ID = "session_id";
String SPEAKER_ID = "speaker_id";
}
public interface SessionsTracks {
String SESSION_ID = "session_id";
String TRACK_ID = "track_id";
}
interface SessionsSearchColumns {
String SESSION_ID = "session_id";
String BODY = "body";
}
interface VendorsSearchColumns {
String VENDOR_ID = "vendor_id";
String BODY = "body";
}
/** Fully-qualified field names. */
private interface Qualified {
String SESSIONS_SEARCH_SESSION_ID = Tables.SESSIONS_SEARCH + "."
+ SessionsSearchColumns.SESSION_ID;
String VENDORS_SEARCH_VENDOR_ID = Tables.VENDORS_SEARCH + "."
+ VendorsSearchColumns.VENDOR_ID;
String SESSIONS_SEARCH = Tables.SESSIONS_SEARCH + "(" + SessionsSearchColumns.SESSION_ID
+ "," + SessionsSearchColumns.BODY + ")";
String VENDORS_SEARCH = Tables.VENDORS_SEARCH + "(" + VendorsSearchColumns.VENDOR_ID + ","
+ VendorsSearchColumns.BODY + ")";
}
/** {@code REFERENCES} clauses. */
private interface References {
String BLOCK_ID = "REFERENCES " + Tables.BLOCKS + "(" + Blocks.BLOCK_ID + ")";
String TRACK_ID = "REFERENCES " + Tables.TRACKS + "(" + Tracks.TRACK_ID + ")";
String ROOM_ID = "REFERENCES " + Tables.ROOMS + "(" + Rooms.ROOM_ID + ")";
String SESSION_ID = "REFERENCES " + Tables.SESSIONS + "(" + Sessions.SESSION_ID + ")";
String SPEAKER_ID = "REFERENCES " + Tables.SPEAKERS + "(" + Speakers.SPEAKER_ID + ")";
String VENDOR_ID = "REFERENCES " + Tables.VENDORS + "(" + Vendors.VENDOR_ID + ")";
}
private interface Subquery {
/**
* Subquery used to build the {@link SessionsSearchColumns#BODY} string
* used for indexing {@link Sessions} content.
*/
String SESSIONS_BODY = "(new." + Sessions.TITLE + "||'; '||new." + Sessions.ABSTRACT
+ "||'; '||new." + Sessions.REQUIREMENTS + "||'; '||" + "new." + Sessions.KEYWORDS
+ ")";
/**
* Subquery used to build the {@link VendorsSearchColumns#BODY} string
* used for indexing {@link Vendors} content.
*/
String VENDORS_BODY = "(new." + Vendors.NAME + "||'; '||new." + Vendors.DESC
+ "||'; '||new." + Vendors.PRODUCT_DESC + ")";
}
public ScheduleDatabase(Context context) {
super(context, DATABASE_NAME, null, DATABASE_VERSION);
}
@Override
public void onCreate(SQLiteDatabase db) {
db.execSQL("CREATE TABLE " + Tables.BLOCKS + " ("
+ BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT,"
+ BlocksColumns.BLOCK_ID + " TEXT NOT NULL,"
+ BlocksColumns.BLOCK_TITLE + " TEXT NOT NULL,"
+ BlocksColumns.BLOCK_START + " INTEGER NOT NULL,"
+ BlocksColumns.BLOCK_END + " INTEGER NOT NULL,"
+ BlocksColumns.BLOCK_TYPE + " TEXT,"
+ "UNIQUE (" + BlocksColumns.BLOCK_ID + ") ON CONFLICT REPLACE)");
db.execSQL("CREATE TABLE " + Tables.TRACKS + " ("
+ BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT,"
+ TracksColumns.TRACK_ID + " TEXT NOT NULL,"
+ TracksColumns.TRACK_NAME + " TEXT,"
+ TracksColumns.TRACK_COLOR + " INTEGER,"
+ TracksColumns.TRACK_ABSTRACT + " TEXT,"
+ "UNIQUE (" + TracksColumns.TRACK_ID + ") ON CONFLICT REPLACE)");
db.execSQL("CREATE TABLE " + Tables.ROOMS + " ("
+ BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT,"
+ RoomsColumns.ROOM_ID + " TEXT NOT NULL,"
+ RoomsColumns.ROOM_NAME + " TEXT,"
+ RoomsColumns.ROOM_FLOOR + " TEXT,"
+ "UNIQUE (" + RoomsColumns.ROOM_ID + ") ON CONFLICT REPLACE)");
db.execSQL("CREATE TABLE " + Tables.SESSIONS + " ("
+ BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT,"
+ SyncColumns.UPDATED + " INTEGER NOT NULL,"
+ SessionsColumns.SESSION_ID + " TEXT NOT NULL,"
+ Sessions.BLOCK_ID + " TEXT " + References.BLOCK_ID + ","
+ Sessions.ROOM_ID + " TEXT " + References.ROOM_ID + ","
+ SessionsColumns.TYPE + " TEXT,"
+ SessionsColumns.TITLE + " TEXT,"
+ SessionsColumns.ABSTRACT + " TEXT,"
+ SessionsColumns.REQUIREMENTS + " TEXT,"
+ SessionsColumns.MODERATOR_URL + " TEXT,"
+ SessionsColumns.WAVE_URL + " TEXT,"
+ SessionsColumns.KEYWORDS + " TEXT,"
+ SessionsColumns.HASHTAG + " TEXT,"
+ SessionsColumns.STARRED + " INTEGER NOT NULL DEFAULT 0,"
+ "UNIQUE (" + SessionsColumns.SESSION_ID + ") ON CONFLICT REPLACE)");
db.execSQL("CREATE TABLE " + Tables.SPEAKERS + " ("
+ BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT,"
+ SyncColumns.UPDATED + " INTEGER NOT NULL,"
+ SpeakersColumns.SPEAKER_ID + " TEXT NOT NULL,"
+ SpeakersColumns.SPEAKER_NAME + " TEXT,"
+ SpeakersColumns.SPEAKER_COMPANY + " TEXT,"
+ SpeakersColumns.SPEAKER_ABSTRACT + " TEXT,"
+ "UNIQUE (" + SpeakersColumns.SPEAKER_ID + ") ON CONFLICT REPLACE)");
db.execSQL("CREATE TABLE " + Tables.SESSIONS_SPEAKERS + " ("
+ BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT,"
+ SessionsSpeakers.SESSION_ID + " TEXT NOT NULL " + References.SESSION_ID + ","
+ SessionsSpeakers.SPEAKER_ID + " TEXT NOT NULL " + References.SPEAKER_ID + ","
+ "UNIQUE (" + SessionsSpeakers.SESSION_ID + ","
+ SessionsSpeakers.SPEAKER_ID + ") ON CONFLICT REPLACE)");
db.execSQL("CREATE TABLE " + Tables.SESSIONS_TRACKS + " ("
+ BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT,"
+ SessionsTracks.SESSION_ID + " TEXT NOT NULL " + References.SESSION_ID + ","
+ SessionsTracks.TRACK_ID + " TEXT NOT NULL " + References.TRACK_ID + ","
+ "UNIQUE (" + SessionsTracks.SESSION_ID + ","
+ SessionsTracks.TRACK_ID + ") ON CONFLICT REPLACE)");
db.execSQL("CREATE TABLE " + Tables.VENDORS + " ("
+ BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT,"
+ SyncColumns.UPDATED + " INTEGER NOT NULL,"
+ VendorsColumns.VENDOR_ID + " TEXT NOT NULL,"
+ Vendors.TRACK_ID + " TEXT " + References.TRACK_ID + ","
+ VendorsColumns.NAME + " TEXT,"
+ VendorsColumns.LOCATION + " TEXT,"
+ VendorsColumns.DESC + " TEXT,"
+ VendorsColumns.URL + " TEXT,"
+ VendorsColumns.PRODUCT_DESC + " TEXT,"
+ VendorsColumns.LOGO_URL + " TEXT,"
+ VendorsColumns.LOGO + " BLOB DEFAULT NULL,"
+ VendorsColumns.STARRED + " INTEGER,"
+ "UNIQUE (" + VendorsColumns.VENDOR_ID + ") ON CONFLICT REPLACE)");
db.execSQL("CREATE TABLE " + Tables.NOTES + " ("
+ BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT,"
+ Notes.SESSION_ID + " TEXT NOT NULL " + References.SESSION_ID + ","
+ NotesColumns.NOTE_TIME + " INTEGER NOT NULL,"
+ NotesColumns.NOTE_CONTENT + " TEXT)");
createSessionsSearch(db);
createVendorsSearch(db);
db.execSQL("CREATE TABLE " + Tables.SEARCH_SUGGEST + " ("
+ BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT,"
+ SearchManager.SUGGEST_COLUMN_TEXT_1 + " TEXT NOT NULL)");
}
/**
* Create triggers that automatically build {@link Tables#SESSIONS_SEARCH}
* as values are changed in {@link Tables#SESSIONS}.
*/
private static void createSessionsSearch(SQLiteDatabase db) {
// Using the "porter" tokenizer for simple stemming, so that
// "frustration" matches "frustrated."
db.execSQL("CREATE VIRTUAL TABLE " + Tables.SESSIONS_SEARCH + " USING fts3("
+ BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT,"
+ SessionsSearchColumns.BODY + " TEXT NOT NULL,"
+ SessionsSearchColumns.SESSION_ID
+ " TEXT NOT NULL " + References.SESSION_ID + ","
+ "UNIQUE (" + SessionsSearchColumns.SESSION_ID + ") ON CONFLICT REPLACE,"
+ "tokenize=porter)");
// TODO: handle null fields in body, which cause trigger to fail
// TODO: implement update trigger, not currently exercised
db.execSQL("CREATE TRIGGER " + Triggers.SESSIONS_SEARCH_INSERT + " AFTER INSERT ON "
+ Tables.SESSIONS + " BEGIN INSERT INTO " + Qualified.SESSIONS_SEARCH + " "
+ " VALUES(new." + Sessions.SESSION_ID + ", " + Subquery.SESSIONS_BODY + ");"
+ " END;");
db.execSQL("CREATE TRIGGER " + Triggers.SESSIONS_SEARCH_DELETE + " AFTER DELETE ON "
+ Tables.SESSIONS + " BEGIN DELETE FROM " + Tables.SESSIONS_SEARCH + " "
+ " WHERE " + Qualified.SESSIONS_SEARCH_SESSION_ID + "=old." + Sessions.SESSION_ID
+ ";" + " END;");
}
/**
* Create triggers that automatically build {@link Tables#VENDORS_SEARCH} as
* values are changed in {@link Tables#VENDORS}.
*/
private static void createVendorsSearch(SQLiteDatabase db) {
// Using the "porter" tokenizer for simple stemming, so that
// "frustration" matches "frustrated."
db.execSQL("CREATE VIRTUAL TABLE " + Tables.VENDORS_SEARCH + " USING fts3("
+ BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT,"
+ VendorsSearchColumns.BODY + " TEXT NOT NULL,"
+ VendorsSearchColumns.VENDOR_ID
+ " TEXT NOT NULL " + References.VENDOR_ID + ","
+ "UNIQUE (" + VendorsSearchColumns.VENDOR_ID + ") ON CONFLICT REPLACE,"
+ "tokenize=porter)");
// TODO: handle null fields in body, which cause trigger to fail
// TODO: implement update trigger, not currently exercised
db.execSQL("CREATE TRIGGER " + Triggers.VENDORS_SEARCH_INSERT + " AFTER INSERT ON "
+ Tables.VENDORS + " BEGIN INSERT INTO " + Qualified.VENDORS_SEARCH + " "
+ " VALUES(new." + Vendors.VENDOR_ID + ", " + Subquery.VENDORS_BODY + ");"
+ " END;");
db.execSQL("CREATE TRIGGER " + Triggers.VENDORS_SEARCH_DELETE + " AFTER DELETE ON "
+ Tables.VENDORS + " BEGIN DELETE FROM " + Tables.VENDORS_SEARCH + " "
+ " WHERE " + Qualified.VENDORS_SEARCH_VENDOR_ID + "=old." + Vendors.VENDOR_ID
+ ";" + " END;");
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
Log.d(TAG, "onUpgrade() from " + oldVersion + " to " + newVersion);
// NOTE: This switch statement is designed to handle cascading database
// updates, starting at the current version and falling through to all
// future upgrade cases. Only use "break;" when you want to drop and
// recreate the entire database.
int version = oldVersion;
switch (version) {
case VER_LAUNCH:
// Version 19 added column for session hashtags.
db.execSQL("ALTER TABLE " + Tables.SESSIONS + " ADD COLUMN "
+ SessionsColumns.HASHTAG + " TEXT");
version = VER_SESSION_HASHTAG;
}
Log.d(TAG, "after upgrade logic, at version " + version);
if (version != DATABASE_VERSION) {
Log.w(TAG, "Destroying old data during upgrade");
db.execSQL("DROP TABLE IF EXISTS " + Tables.BLOCKS);
db.execSQL("DROP TABLE IF EXISTS " + Tables.TRACKS);
db.execSQL("DROP TABLE IF EXISTS " + Tables.ROOMS);
db.execSQL("DROP TABLE IF EXISTS " + Tables.SESSIONS);
db.execSQL("DROP TABLE IF EXISTS " + Tables.SPEAKERS);
db.execSQL("DROP TABLE IF EXISTS " + Tables.SESSIONS_SPEAKERS);
db.execSQL("DROP TABLE IF EXISTS " + Tables.SESSIONS_TRACKS);
db.execSQL("DROP TABLE IF EXISTS " + Tables.VENDORS);
db.execSQL("DROP TABLE IF EXISTS " + Tables.NOTES);
db.execSQL("DROP TRIGGER IF EXISTS " + Triggers.SESSIONS_SEARCH_INSERT);
db.execSQL("DROP TRIGGER IF EXISTS " + Triggers.SESSIONS_SEARCH_DELETE);
db.execSQL("DROP TABLE IF EXISTS " + Tables.SESSIONS_SEARCH);
db.execSQL("DROP TRIGGER IF EXISTS " + Triggers.VENDORS_SEARCH_INSERT);
db.execSQL("DROP TRIGGER IF EXISTS " + Triggers.VENDORS_SEARCH_DELETE);
db.execSQL("DROP TABLE IF EXISTS " + Tables.VENDORS_SEARCH);
db.execSQL("DROP TABLE IF EXISTS " + Tables.SEARCH_SUGGEST);
onCreate(db);
}
}
}
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