working in list management

src/main/java/de/srsoftware/widerhall/data/ListMember.java

@@ -0,0 +1,33 @@
+package de.srsoftware.widerhall.data;
+
+import java.sql.SQLException;
+
+import static de.srsoftware.widerhall.Constants.INT;
+import static de.srsoftware.widerhall.Constants.VARCHAR;
+
+public class ListMember {
+    public static final String TABLE_NAME = "ListMembers";
+    private static final String LIST_EMAIL = "list_email";
+    private static final String USER_EMAIL = "user_email";
+    private static final String STATE = "state";
+    private final String listEmail;
+    private final String userEmail;
+    private final int state;
+
+    public ListMember(String listEmail, String userEmail, int state){
+        this.listEmail = listEmail;
+        this.userEmail = userEmail;
+        this.state = state;
+    }
+
+    public static void createTable() throws SQLException {
+        var sql = new StringBuilder()
+                .append("CREATE TABLE ").append(TABLE_NAME)
+                .append(" (")
+                .append(LIST_EMAIL).append(" ").append(VARCHAR).append(", ")
+                .append(USER_EMAIL).append(" ").append(VARCHAR).append(", ")
+                .append(STATE).append(" ").append(INT).append(", ")
+                .append("PRIMARY KEY (").append(LIST_EMAIL).append(", ").append(USER_EMAIL).append("));");
+        Database.open().query(sql.toString()).run();
+    }
+}