feat: finalize channels fixes and runtime stability

2026-04-13 23:00:36 +03:00
parent 0c7d8fac02
commit a9c69e5947
46 changed files with 4654 additions and 356 deletions
@@ -0,0 +1,78 @@
+package shine.db.dao;
+
+import shine.db.SqliteDbController;
+import shine.db.entities.ChannelNameStateEntry;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.List;
+
+public final class ChannelNameStateDAO {
+    private static volatile ChannelNameStateDAO instance;
+    private final SqliteDbController db = SqliteDbController.getInstance();
+
+    private ChannelNameStateDAO() {}
+
+    public static ChannelNameStateDAO getInstance() {
+        if (instance == null) {
+            synchronized (ChannelNameStateDAO.class) {
+                if (instance == null) instance = new ChannelNameStateDAO();
+            }
+        }
+        return instance;
+    }
+
+    public boolean existsBySlug(Connection c, String slug) throws SQLException {
+        String sql = "SELECT 1 FROM channel_names_state WHERE slug = ? LIMIT 1";
+        try (PreparedStatement ps = c.prepareStatement(sql)) {
+            ps.setString(1, slug);
+            try (ResultSet rs = ps.executeQuery()) {
+                return rs.next();
+            }
+        }
+    }
+
+    public boolean existsBySlug(String slug) throws SQLException {
+        try (Connection c = db.getConnection()) {
+            return existsBySlug(c, slug);
+        }
+    }
+
+    public void clearAll(Connection c) throws SQLException {
+        try (PreparedStatement ps = c.prepareStatement("DELETE FROM channel_names_state")) {
+            ps.executeUpdate();
+        }
+    }
+
+    public void insert(Connection c, ChannelNameStateEntry entry) throws SQLException {
+        String sql = """
+                INSERT INTO channel_names_state (
+                    slug,
+                    display_name,
+                    owner_login,
+                    owner_bch_name,
+                    channel_root_block_number,
+                    channel_root_block_hash,
+                    created_at_ms
+                ) VALUES (?, ?, ?, ?, ?, ?, ?)
+                """;
+        try (PreparedStatement ps = c.prepareStatement(sql)) {
+            ps.setString(1, entry.getSlug());
+            ps.setString(2, entry.getDisplayName());
+            ps.setString(3, entry.getOwnerLogin());
+            ps.setString(4, entry.getOwnerBlockchainName());
+            ps.setInt(5, entry.getChannelRootBlockNumber());
+            ps.setBytes(6, entry.getChannelRootBlockHash());
+            ps.setLong(7, entry.getCreatedAtMs());
+            ps.executeUpdate();
+        }
+    }
+
+    public void insertAll(Connection c, List<ChannelNameStateEntry> entries) throws SQLException {
+        for (ChannelNameStateEntry entry : entries) {
+            insert(c, entry);
+        }
+    }
+}