package com.ch_linghu.fanfoudroid.dao;
import java.util.List;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.text.TextUtils;
import android.util.Log;
import com.ch_linghu.fanfoudroid.dao.SQLiteTemplate.RowMapper;
import com.ch_linghu.fanfoudroid.data2.Photo;
import com.ch_linghu.fanfoudroid.data2.Status;
import com.ch_linghu.fanfoudroid.data2.User;
import com.ch_linghu.fanfoudroid.db.TwitterDatabase;
import com.ch_linghu.fanfoudroid.db2.FanContent;
import com.ch_linghu.fanfoudroid.db2.FanContent.StatusesPropertyTable;
import com.ch_linghu.fanfoudroid.db2.FanDatabase;
import com.ch_linghu.fanfoudroid.util.DateTimeHelper;
import com.ch_linghu.fanfoudroid.db2.FanContent.*;
public class StatusDAO {
private static final String TAG = "StatusDAO";
private SQLiteTemplate mSqlTemplate;
public StatusDAO(Context context) {
mSqlTemplate = new SQLiteTemplate(FanDatabase.getInstance(context)
.getSQLiteOpenHelper());
}
/**
* Insert a Status
*
* 若报 SQLiteconstraintexception 异常, 检查是否某not null字段为空
*
* @param status
* @param isUnread
* @return
*/
public long insertStatus(Status status) {
if (!isExists(status)) {
return mSqlTemplate.getDb(true).insert(StatusesTable.TABLE_NAME,
null, statusToContentValues(status));
} else {
Log.e(TAG, status.getId() + " is exists.");
return -1;
}
}
// TODO:
public int insertStatuses(List<Status> statuses) {
int result = 0;
SQLiteDatabase db = mSqlTemplate.getDb(true);
try {
db.beginTransaction();
for (int i = statuses.size() - 1; i >= 0; i--) {
Status status = statuses.get(i);
long id = db.insertWithOnConflict(StatusesTable.TABLE_NAME,
null, statusToContentValues(status),
SQLiteDatabase.CONFLICT_IGNORE);
if (-1 == id) {
Log.e(TAG, "cann't insert the tweet : " + status.toString());
} else {
++result;
Log.v(TAG, String.format(
"Insert a status into database : %s",
status.toString()));
}
}
db.setTransactionSuccessful();
} finally {
db.endTransaction();
}
return result;
}
/**
* Delete a status
*
* @param statusId
* @param owner_id
* owner id
* @param type
* status type
* @return
* @see StatusDAO#deleteStatus(Status)
*/
public int deleteStatus(String statusId, String owner_id, int type) {
// FIXME: 数据模型改变后这里的逻辑需要完全重写，目前仅保证编译可通过
String where = StatusesTable.Columns.ID + " =? ";
String[] binds;
if (!TextUtils.isEmpty(owner_id)) {
where += " AND " + StatusesPropertyTable.Columns.OWNER_ID + " = ? ";
binds = new String[] { statusId, owner_id };
} else {
binds = new String[] { statusId };
}
if (-1 != type) {
where += " AND " + StatusesPropertyTable.Columns.TYPE + " = "
+ type;
}
return mSqlTemplate.getDb(true).delete(StatusesTable.TABLE_NAME,
where.toString(), binds);
}
/**
* Delete a Status
*
* @param status
* @return
* @see StatusDAO#deleteStatus(String, String, int)
*/
public int deleteStatus(Status status) {
return deleteStatus(status.getId(), status.getOwnerId(),
status.getType());
}
/**
* Find a status by status ID
*
* @param statusId
* @return
*/
public Status fetchStatus(String statusId) {
return mSqlTemplate.queryForObject(mRowMapper,
StatusesTable.TABLE_NAME, null, StatusesTable.Columns.ID
+ " = ?", new String[] { statusId }, null, null,
"created_at DESC", "1");
}
/**
* Find user's statuses
*
* @param userId
* user id
* @param statusType
* status type, see {@link StatusTable#TYPE_USER}...
* @return list of statuses
*/
public List<Status> fetchStatuses(String userId, int statusType) {
return mSqlTemplate.queryForList(mRowMapper,
FanContent.StatusesTable.TABLE_NAME, null,
StatusesPropertyTable.Columns.OWNER_ID + " = ? AND "
+ StatusesPropertyTable.Columns.TYPE + " = "
+ statusType, new String[] { userId }, null, null,
"created_at DESC", null);
}
/**
* @see StatusDAO#fetchStatuses(String, int)
*/
public List<Status> fetchStatuses(String userId, String statusType) {
return fetchStatuses(userId, Integer.parseInt(statusType));
}
/**
* Update by using {@link ContentValues}
*
* @param statusId
* @param newValues
* @return
*/
public int updateStatus(String statusId, ContentValues values) {
return mSqlTemplate.updateById(FanContent.StatusesTable.TABLE_NAME,
statusId, values);
}
/**
* Update by using {@link Status}
*
* @param status
* @return
*/
public int updateStatus(Status status) {
return updateStatus(status.getId(), statusToContentValues(status));
}
/**
* Check if status exists
*
* FIXME: 取消使用Query
*
* @param status
* @return
*/
public boolean isExists(Status status) {
StringBuilder sql = new StringBuilder();
sql.append("SELECT COUNT(*) FROM ")
.append(FanContent.StatusesTable.TABLE_NAME).append(" WHERE ")
.append(StatusesTable.Columns.ID).append(" =? AND ")
.append(StatusesPropertyTable.Columns.OWNER_ID)
.append(" =? AND ").append(StatusesPropertyTable.Columns.TYPE)
.append(" = ").append(status.getType());
return mSqlTemplate.isExistsBySQL(sql.toString(),
new String[] { status.getId(), status.getUser().getId() });
}
/**
* Status -> ContentValues
*
* @param status
* @param isUnread
* @return
*/
private ContentValues statusToContentValues(Status status) {
final ContentValues v = new ContentValues();
v.put(StatusesTable.Columns.ID, status.getId());
v.put(StatusesPropertyTable.Columns.TYPE, status.getType());
v.put(StatusesTable.Columns.TEXT, status.getText());
v.put(StatusesPropertyTable.Columns.OWNER_ID, status.getOwnerId());
v.put(StatusesTable.Columns.FAVORITED, status.isFavorited() + "");
v.put(StatusesTable.Columns.TRUNCATED, status.isTruncated()); // TODO:
v.put(StatusesTable.Columns.IN_REPLY_TO_STATUS_ID,
status.getInReplyToStatusId());
v.put(StatusesTable.Columns.IN_REPLY_TO_USER_ID,
status.getInReplyToUserId());
// v.put(StatusTable.Columns.IN_REPLY_TO_SCREEN_NAME,
// status.getInReplyToScreenName());
// v.put(IS_REPLY, status.isReply());
v.put(StatusesTable.Columns.CREATED_AT,
TwitterDatabase.DB_DATE_FORMATTER.format(status.getCreatedAt()));
v.put(StatusesTable.Columns.SOURCE, status.getSource());
// v.put(StatusTable.Columns.IS_UNREAD, status.isUnRead());
final User user = status.getUser();
if (user != null) {
v.put(UserTable.Columns.USER_ID, user.getId());
v.put(UserTable.Columns.SCREEN_NAME, user.getScreenName());
v.put(UserTable.Columns.PROFILE_IMAGE_URL,
user.getProfileImageUrl());
}
final Photo photo = status.getPhotoUrl();
/*
* if (photo != null) { v.put(StatusTable.Columns.PIC_THUMB,
* photo.getThumburl()); v.put(StatusTable.Columns.PIC_MID,
* photo.getImageurl()); v.put(StatusTable.Columns.PIC_ORIG,
* photo.getLargeurl()); }
*/
return v;
}
private static final RowMapper<Status> mRowMapper = new RowMapper<Status>() {
@Override
public Status mapRow(Cursor cursor, int rowNum) {
Photo photo = new Photo();
/*
* photo.setImageurl(cursor.getString(cursor
* .getColumnIndex(StatusTable.Columns.PIC_MID)));
* photo.setLargeurl(cursor.getString(cursor
* .getColumnIndex(StatusTable.Columns.PIC_ORIG)));
* photo.setThumburl(cursor.getString(cursor
* .getColumnIndex(StatusTable.Columns.PIC_THUMB)));
*/
User user = new User();
user.setScreenName(cursor.getString(cursor
.getColumnIndex(UserTable.Columns.SCREEN_NAME)));
user.setId(cursor.getString(cursor
.getColumnIndex(UserTable.Columns.USER_ID)));
user.setProfileImageUrl(cursor.getString(cursor
.getColumnIndex(UserTable.Columns.PROFILE_IMAGE_URL)));
Status status = new Status();
status.setPhotoUrl(photo);
status.setUser(user);
status.setOwnerId(cursor.getString(cursor
.getColumnIndex(StatusesPropertyTable.Columns.OWNER_ID)));
// TODO: 将数据库中的statusType改成Int类型
status.setType(cursor.getInt(cursor
.getColumnIndex(StatusesPropertyTable.Columns.TYPE)));
status.setId(cursor.getString(cursor
.getColumnIndex(StatusesTable.Columns.ID)));
status.setCreatedAt(DateTimeHelper.parseDateTimeFromSqlite(cursor
.getString(cursor
.getColumnIndex(StatusesTable.Columns.CREATED_AT))));
// TODO: 更改favorite 在数据库类型为boolean后改为 " != 0 "
status.setFavorited(cursor.getString(
cursor.getColumnIndex(StatusesTable.Columns.FAVORITED))
.equals("true"));
status.setText(cursor.getString(cursor
.getColumnIndex(StatusesTable.Columns.TEXT)));
status.setSource(cursor.getString(cursor
.getColumnIndex(StatusesTable.Columns.SOURCE)));
// status.setInReplyToScreenName(cursor.getString(cursor
// .getColumnIndex(StatusTable.IN_REPLY_TO_SCREEN_NAME)));
status.setInReplyToStatusId(cursor.getString(cursor
.getColumnIndex(StatusesTable.Columns.IN_REPLY_TO_STATUS_ID)));
status.setInReplyToUserId(cursor.getString(cursor
.getColumnIndex(StatusesTable.Columns.IN_REPLY_TO_USER_ID)));
status.setTruncated(cursor.getInt(cursor
.getColumnIndex(StatusesTable.Columns.TRUNCATED)) != 0);
// status.setUnRead(cursor.getInt(cursor
// .getColumnIndex(StatusTable.Columns.IS_UNREAD)) != 0);
return status;
}
};
}