🎨 #12690 升级程序

src/main/java/org/b3log/solo/upgrade/V310_320.java

+/*
+ * Solo - A small and beautiful blogging system written in Java.
+ * Copyright (c) 2010-2019, b3log.org & hacpai.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.b3log.solo.upgrade;
+
+import org.b3log.latke.Latkes;
+import org.b3log.latke.ioc.BeanManager;
+import org.b3log.latke.logging.Level;
+import org.b3log.latke.logging.Logger;
+import org.b3log.latke.repository.Transaction;
+import org.b3log.latke.repository.jdbc.util.Connections;
+import org.b3log.solo.model.Option;
+import org.b3log.solo.repository.ArticleRepository;
+import org.b3log.solo.repository.OptionRepository;
+import org.json.JSONObject;
+
+import java.sql.Connection;
+import java.sql.Statement;
+
+/**
+ * Upgrade script from v3.1.0 to v3.2.0.
+ *
+ * @author <a href="http://88250.b3log.org">Liang Ding</a>
+ * @version 1.0.0.0, Mar 3, 2019
+ * @since 3.2.0
+ */
+public final class V310_320 {
+
+    /**
+     * Logger.
+     */
+    private static final Logger LOGGER = Logger.getLogger(V310_320.class);
+
+    /**
+     * Performs upgrade from v3.1.0 to v3.2.0.
+     *
+     * @throws Exception upgrade fails
+     */
+    public static void perform() throws Exception {
+        final String fromVer = "3.1.0";
+        final String toVer = "3.2.0";
+
+        LOGGER.log(Level.INFO, "Upgrading from version [" + fromVer + "] to version [" + fromVer + "]....");
+
+        final BeanManager beanManager = BeanManager.getInstance();
+        final OptionRepository optionRepository = beanManager.getReference(OptionRepository.class);
+        final ArticleRepository articleRepository = beanManager.getReference(ArticleRepository.class);
+
+        try {
+            Connection connection = Connections.getConnection();
+            Statement statement = connection.createStatement();
+
+            // 删除 userEmail 字段，移除邮件相关功能 https://github.com/b3log/solo/issues/12690
+            final String tablePrefix = Latkes.getLocalProperty("jdbc.tablePrefix") + "_";
+            statement.executeUpdate("ALTER TABLE `" + tablePrefix + "article` DROP COLUMN `userEmail`");
+            statement.close();
+            connection.commit();
+            connection.close();
+
+            final Transaction transaction = optionRepository.beginTransaction();
+            final JSONObject versionOpt = optionRepository.get(Option.ID_C_VERSION);
+            versionOpt.put(Option.OPTION_VALUE, toVer);
+            optionRepository.update(Option.ID_C_VERSION, versionOpt);
+
+            transaction.commit();
+
+            LOGGER.log(Level.INFO, "Upgraded from version [" + fromVer + "] to version [" + toVer + "] successfully");
+        } catch (final Exception e) {
+            LOGGER.log(Level.ERROR, "Upgrade failed!", e);
+
+            throw new Exception("Upgrade failed from version [" + fromVer + "] to version [" + toVer + "]");
+        }
+    }
+}