131 lines
4.1 KiB
Java
131 lines
4.1 KiB
Java
package app.fedilab.android.mastodon.client.entities.app;
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/* Copyright 2023 Thomas Schneider
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*
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* This file is a part of Fedilab
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Fedilab is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with Fedilab; if not,
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* see <http://www.gnu.org/licenses>. */
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import android.content.ContentValues;
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import android.content.Context;
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import android.database.Cursor;
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import android.database.sqlite.SQLiteDatabase;
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import com.google.gson.annotations.SerializedName;
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import java.util.ArrayList;
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import java.util.List;
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import app.fedilab.android.mastodon.exception.DBException;
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import app.fedilab.android.sqlite.Sqlite;
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public class CamelTag {
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private final SQLiteDatabase db;
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@SerializedName("name")
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public String name;
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public CamelTag(Context context) {
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this.db = Sqlite.getInstance(context.getApplicationContext(), Sqlite.DB_NAME, null, Sqlite.DB_VERSION).open();
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}
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/**
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* Insert or update a status
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*
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* @param name {@link String}
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* @return long - -1 if exists or id
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* @throws DBException exception with database
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*/
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public synchronized long insert(String name) throws DBException {
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if (db == null) {
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throw new DBException("db is null. Wrong initialization.");
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}
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boolean exists = tagExists(name);
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if (!exists) {
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ContentValues values = new ContentValues();
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values.put(Sqlite.COL_TAG, name);
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try {
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return db.insertOrThrow(Sqlite.TABLE_CACHE_TAGS, null, values);
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} catch (Exception e) {
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e.printStackTrace();
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return -1;
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}
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}
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return -1;
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}
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/**
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* Returns tags List of {@String} containing "search"
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*
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* @param search - String the word to search
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* @return List<String>
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*/
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public List<String> getBy(String search) {
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Cursor c = db.query(Sqlite.TABLE_CACHE_TAGS, null, Sqlite.COL_TAG + " LIKE \"%" + search + "%\"", null, null, null, null, null);
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return cursorToTag(c);
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}
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public boolean tagExists(String name) throws DBException {
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Cursor c = db.query(Sqlite.TABLE_CACHE_TAGS, null, Sqlite.COL_TAG + " = \"" + name + "\"", null, null, null, null, null);
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boolean isPresent = (c != null && c.getCount() > 0);
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assert c != null;
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c.close();
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return isPresent;
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}
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public void removeAll() {
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db.delete(Sqlite.TABLE_CACHE_TAGS, null, null);
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}
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public void removeTag(String tag) {
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db.delete(Sqlite.TABLE_CACHE_TAGS, Sqlite.COL_TAG + " = ?", new String[]{tag});
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}
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public void update(String oldTag, String newTag) {
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ContentValues values = new ContentValues();
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values.put(Sqlite.COL_TAG, newTag);
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try {
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db.update(Sqlite.TABLE_CACHE_TAGS, values, Sqlite.COL_TAG + " = ?", new String[]{oldTag});
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} catch (Exception ignored) {
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}
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}
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/**
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* Returns all tags in db
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*
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* @return string tags List<String>
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*/
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public List<String> getAll() {
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try {
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Cursor c = db.query(Sqlite.TABLE_CACHE_TAGS, null, null, null, null, null, Sqlite.COL_TAG + " ASC", null);
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return cursorToTag(c);
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} catch (Exception e) {
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return null;
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}
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}
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private List<String> cursorToTag(Cursor c) {
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//No element found
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if (c.getCount() == 0) {
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c.close();
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return null;
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}
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List<String> tags = new ArrayList<>();
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while (c.moveToNext()) {
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tags.add(c.getString(c.getColumnIndexOrThrow(Sqlite.COL_TAG)));
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}
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//Close the cursor
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c.close();
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//Tag list is returned
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return tags;
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}
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}
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