MVC Lecture Notes

mvc_notes

Model                   * = Definition
View
Controller

Client -------> server  |       
       request          |
                        |
Client <------- server  ▼ 
       response

    +---------------+
    |               |****   
    |    Router     |---->  Router: determine intent of the request and dispatch it
    |               |****
    +---------------+
      |
      |       Controller: 1) Coordinating work in the system
      ▼       ▲           2) HTTP Bullshit
             *|*
  +------------+        +---------+  
  |            |  ----> |  Views  |  ------->     Views:   1) Combining data + HTML
  | Controller | <----  +---------+
  |            |        +---------+
  |            |  ----> | Helpers |  ------->     Helpers:            1) Jeff "hate dat"   
  +------------+ <----  +---------+       (View Objects/Decorators)   2) Format data for presentation        
    |        ▲         
    |        |
    ▼        |
  +------------+
  |            | *******
  |   Model    | -------> Model: 1) engine of domain logic
  |            | *******         2) data access layer
  +------------+
    ▲        |
    |        |
    |        |
    |        ▼
  +--------------------------------------------+
  |                                            |
  |                                            |
  |                 DATABASE                   |
  |                                            |
  |                                            |
  +--------------------------------------------+