Add identifier

src/main/java/dev/salmonllama/fsbot/database/models/WelcomeMessage.java

@@ -11,16 +11,22 @@ import java.sql.Timestamp;
 
 public class WelcomeMessage extends DatabaseModel {
     // Need the message, the last time it was updated, and the id of the last person who updated it.
+    private String serverId;
     private String message;
     private Timestamp updated;
     private String editor;
 
     private WelcomeMessage(WelcomeMessageBuilder builder) {
+        serverId = builder.serverId;
         message = builder.message;
         updated = builder.updated;
         editor = builder.editor;
     }
 
+    public String getServerId() {
+        return serverId;
+    }
+
     public String getMessage() {
         return message;
     }
@@ -33,21 +39,37 @@ public class WelcomeMessage extends DatabaseModel {
         return editor;
     }
 
+    public static String schema() {
+        return "CREATE TABLE IF NOT EXISTS welcome_messages (" +
+                "server_id TEXT PRIMARY KEY," +
+                "message TEXT," +
+                "updated TEXT," +
+                "editor TEXT)";
+    }
+
     public static class WelcomeMessageBuilder {
-        private String message;
+        private String serverId;
+        private String message = null;
         private Timestamp updated = null;
         private String editor = null;
 
-        public WelcomeMessageBuilder(String message) {
+        public WelcomeMessageBuilder(String serverId) {
+            this.serverId = serverId;
+        }
+
+        public WelcomeMessageBuilder setMessage(String message) {
             this.message = message;
+            return this;
         }
 
-        public void setUpdated(Timestamp updated) {
+        public WelcomeMessageBuilder setUpdated(Timestamp updated) {
             this.updated = updated;
+            return this;
         }
 
-        public void setEditor(String editor) {
+        public WelcomeMessageBuilder setEditor(String editor) {
             this.editor = editor;
+            return this;
         }
 
         public WelcomeMessage build() {