working on permissions

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

@@ -127,6 +127,53 @@ public class Database {
             return sql.toString();
         }
 
+        @Override
+        public String toString() {
+            StringBuffer sql = new StringBuffer(this.sql);
+
+            if (!setValues.isEmpty()){
+                var keys = new ArrayList<String>();
+                var expressions = new ArrayList<String>();
+                for (var entry : setValues.entrySet()) expressions.add(entry.getKey()+" = entry.getValue()");
+                sql.append(" SET ").append(String.join(", ",expressions));
+            }
+
+            if (!values.isEmpty()){
+                var keys = new ArrayList<String>();
+                var vals = new ArrayList<String>();
+                for (var entry : values.entrySet()) {
+                    keys.add(entry.getKey());
+                    vals.add(entry.getValue().toString());
+                }
+                sql.append("(")
+                        .append(String.join(", ",keys))
+                        .append(")")
+                        .append(" VALUES ")
+                        .append("(")
+                        .append(String.join(",",vals))
+                        .append(")");
+            }
+
+            if (!where.isEmpty()){
+                var clauses = new ArrayList<String>();
+                sql.append(" WHERE ");
+
+                for (var entry : where.entrySet()) clauses.add("("+entry.getKey()+" IN ("+String.join(", ",entry.getValue().stream().map(Object::toString).toList())+"))");
+                sql.append(String.join(" AND ",clauses));
+            }
+
+            return "Request{" + "sql=" + sql + '}';
+        }
+
+        public Request values(Map<String,Object> newValues) {
+            values.putAll(newValues);
+            return this;
+        }
+
+        public Request values(String key, Object value) {
+            values.put(key,value);
+            return this;
+        }
 
         public Request where(String key, Object ... values) {
             for (var val : values) where(key,val);
@@ -145,15 +192,6 @@ public class Database {
             return this;
         }
 
-        public Request values(Map<String,Object> newValues) {
-            values.putAll(newValues);
-            return this;
-        }
-
-        public Request values(String key, Object value) {
-            values.put(key,value);
-            return this;
-        }
     }
 
     public Database(Connection connection) {