Business logic of this site can be described as platform for customers and freelancers.
Customers place orders to make advertisement and freelancers place solutions.


rake stats =>
+----------------------+-------+-------+---------+---------+-----+-------+
| Name                 | Lines |   LOC | Classes | Methods | M/C | LOC/M |
+----------------------+-------+-------+---------+---------+-----+-------+
| Controllers          |   711 |   598 |      16 |      77 |   4 |     5 |
| Helpers              |    63 |    60 |       0 |       7 |   0 |     6 |
| Models               |   774 |   672 |      22 |      87 |   3 |     5 |
| Libraries            |   327 |   238 |       2 |      33 |  16 |     5 |
| Functional tests     |   224 |   176 |       5 |      32 |   6 |     3 |
| Selenium tests       |   205 |   205 |       0 |       7 |     |       |
| Unit tests           |   161 |   122 |       3 |      20 |   6 |     4 |
+----------------------+-------+-------+---------+---------+-----+-------+
| Total                |  2260 |  1866 |      48 |     256 |   5 |     5 |
+----------------------+-------+-------+---------+---------+-----+-------+
  Code LOC: 1568     Test LOC: 503     Code to Test Ratio: 1:0.32