Finish implementing add command

src/main/java/wtf/beatrice/nounspicker/commands/subcommands/NounsAddSubCommand.java

@@ -23,8 +23,19 @@ public class NounsAddSubCommand
         if(Cache.dbManager.getPronounId(pronoun) >= 0)
         {
             sender.sendMessage("Pronoun already exists!");
+            return true;
         }
 
-        return false;
+        String format = args[2];
+
+        if(Cache.dbManager.addNewPronoun(pronoun, format)) {
+
+            int id = Cache.dbManager.getPronounId(pronoun);
+            sender.sendMessage("New pronoun " + pronoun + " added with id " + id + "! Format is " + format);
+        } else {
+            sender.sendMessage("Error creating new pronoun! Check console for details.");
+        }
+
+        return true;
     }
 }

src/main/java/wtf/beatrice/nounspicker/utils/DatabaseManager.java

@@ -100,10 +100,10 @@ public class DatabaseManager
      * --------------------------------------
      * | pronoun    | id        | format    |
      * --------------------------------------
-     * | she        | 1         | She      |
+     * | she        | 1         | She       |
-     * | her        | 2         | Her      |
+     * | her        | 2         | Her       |
-     * | he         | 3         | He       |
+     * | he         | 3         | He        |
-     * -------------------------------------
+     * --------------------------------------
      *
      */
 
@@ -129,6 +129,42 @@ public class DatabaseManager
         return -1;
     }
 
+    public boolean addNewPronoun(String pronoun, String format) {
+        String query = "INSERT INTO pronouns " +
+        "( pronoun, format, id) VALUES " +
+        " (?, ?, ?);";
+
+        int pronounId = getHighestPronounId() + 1;
+
+        try (PreparedStatement pStatement = dbConnection.prepareStatement(query)) {
+            pStatement.setString(1, pronoun);
+            pStatement.setString(2, format);
+            pStatement.setInt(3, pronounId);
+            return pStatement.execute();
+        } catch (SQLException e)
+        {
+            logger.err(e.getMessage());
+        }
+
+        return false;
+    }
+
+    public int getHighestPronounId() {
+        String query = "SELECT id" +
+        "FROM pronouns " +
+        "ORDER BY id DESC " +
+        "LIMIT 1";
+
+        try (Statement stmt = dbConnection.createStatement()) {
+            ResultSet rSet = stmt.executeQuery(query);
+            return rSet.getInt("id");
+        } catch (SQLException e) {
+            logger.err(e.getMessage());
+        }
+
+        return -1;
+    }
+
 
 
 }