Database handler to create new freelancer

src/database.cpp

@@ -21,6 +21,12 @@ namespace Database {
     const static std::string PREPARED_STATEMENT_INSERT_ITEM_IN_REQUESTS = "insertItemInRequests";
     const static std::string SQL_STATEMENT_INSERT_ITEM_IN_REQUESTS = "INSERT INTO requests(id, customerEmailAddress, freelancerid , templateid , currencyPreference, priceUpFront, priceOnDeliver, requestDescription, accepted, upFrontInvoiceID, onDeliverInvoiceID, upFrontPaid, onDeliverPaid, completed, customerContactDetails, customerName) VALUES(DEFAULT, $1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $15);";
 
+    /*
+     * Name and Statement for prepared statement to create a new freelancer
+     */
+    const static std::string PREPARED_STATEMENT_INSERT_NEW_FREELANCER = "insertNewFreelancer";
+    const static std::string SQL_STATEMENT_INSERT_NEW_FREELANCER = "INSERT INTO freelancers (emailaddress, name, salt, hash) values($1, $2, $3, $4);";
+
     /*
      * Name and Statement for prepared statement to select an item based on a given ID
      * Case for boolean return values because the default return value is f/t instead of 0/1 or false/true
@@ -214,6 +220,34 @@ namespace Database {
         return 0;
     }
 
+    /*
+     * Executes the prepared statement INSERT_NEW_FREELANCER
+     * Takes an open pqxx::connection and the name, email, salt and hash
+     * returns errorLevel
+     * 0 = no error
+     * 1 = query error
+     * 2 = critical error
+     */
+    int executePreparedStatement_INSERT_NEW_FREELANCER(pqxx::connection &connection, std::string email, std::string name, std::string salt, std::string hash) {
+        try {
+            connection.prepare(PREPARED_STATEMENT_INSERT_NEW_FREELANCER, SQL_STATEMENT_INSERT_NEW_FREELANCER);
+            pqxx::work work(connection);
+            work.exec_prepared(PREPARED_STATEMENT_INSERT_NEW_FREELANCER, email, name, salt, hash);
+            work.commit();
+        }
+        catch (pqxx::sql_error const &e) {
+            std::cerr
+                    << "Database error: " << e.what() << std::endl
+                    << "Query was: " << e.query() << std::endl;
+            return 1;
+        }
+        catch (std::exception const &e) {
+            std::cerr << e.what() << std::endl;
+            return 2;
+        }
+        return 0;
+    }
+
     /*
      * Executes the prepared statement SELECT_ITEM_BY_ID
      * Takes an open pqxx::connection