Tech Talk - Cakephp

8/14/2019 Tech Talk - Cakephp

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Programming in PHP

Have you Cake?


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Agenda

Introduction

Components needed

Model-View-ControllerCake convention

Relationship between Models

Validation of dataBaking the cake

Hands on

Conclusion


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Introduction

Rapid development framework for PHP

Using design patterns: MVC and ORM

Similar to Zend and Ruby on Rails (ROR)framework

Scaffolding support - 2 line code for CRUD

Easier to maintain

Reduces development costs

Write less code

Current version (Stable: 1.1.19.6305)


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Introduction (cont)

Example of sites done using CakePHPhttp://ping.sg

http://www.yaledailynews.com

http://scratch.mit.edu/

http://store.theonion.com/


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Model-view-controller

In short MVC

Multi-tier architecture

Decoupling of program Business logic Data presentation User interaction

Benefits reduce complexity in architectural design increase flexibility and reuse.


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Model-View-Controller (cont)

Model domain-specific representation of the information

View Renders the model into a form suitable for

interaction

Controller

Processes and responds to events

To make use of this capability, conventionneeds to be followed


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Convention - Filename

Controller KissesAndHugsController ->

kisses_and_hugs_controller.php

Model OptionValue -> option_value.php

Component

MyHandy -> my_handy.phpHelper BestHelperEver -> best_helper_ever.php


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Convention - Model

Model class names are singular

Capitalized for single-word models

Person, MonkeyUpperCamelCased for multi-word models. GlassDoor, LineItem, ReallyNiftyThing

many-to-many join tables tags_users

Model filenames use a lower-caseunderscored syntax

person.php, line_item.php, really_nifty_thing.php


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Convention - Model

Database tables plural, lower-case

underscored syntaxpeople, monkeys, glass_doors, line_items,

really_nifty_things


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Example of model file - school.php


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Convention - Controller

Class names are plural

Capitalized for single-word controllers, and

UpperCamelCased for multi-word controllers.Controller file names use a lower-case

underscored syntax

For protected member visibility, controlleraction names should be prepended with '-.

For private member visibility, controller actionnames should be prepended with '__'.


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Example of controller -

schools_controller.php


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Convention (more)

More convention for cakeHelpers

Vendors

Components


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Convention - Views

Named after actions they display.

Name the view file after action name, in

lowercase.

You can force an action to render aspecific view by calling

$this->render(create'); at the end of youraction.


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Model Relationship

3 types of relationship between modelHas One

Has Many

Has And Belong To Many (HATBM)


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Built-in validation for data

VALID_NOT_EMPTY

VALID_EMAIL

VALID_NUMBER

VALID_YEAR

Regex allowed


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Baking cake

Create class files of model, controller and viewfiles effortlessly

Automate the creation of model class, validationfor attributes and relationship. Able to bake controllers and views. Run terminal window to execute bake script. Steps

Go to place where you can to create the application viacd command

/usr/bin/php {cakehome}/scripts/bake.php -help


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Setting up cake

Copy and paste into wwwroot or htdocs


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Schools table

CREATE TABLE `learncake`.`schools` (

`id` int(11) NOT NULL auto_increment,

`name` varchar(45) NOT NULL,

PRIMARY KEY (`id`)

) ENGINE=InnoDBAUTO_INCREMENT=4 DEFAULT

CHARSET=utf8;


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Students table

CREATE TABLE `learncake`.`students` (

ìd` int(11) NOT NULL auto_increment,

`matric` int(11) NOT NULL,

`nric` int(11) NOT NULL,`name` varchar(65) NOT NULL,

`yrentered` int(11) NOT NULL,

`password` varchar(20) NOT NULL,

`school_id` int(11) default NULL,PRIMARY KEY (ìd`),

CONSTRAINT `schoolfk` FOREIGN KEY (`school_id`)REFERENCES `schools` (ìd`)

ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT

CHARSET=utf8;


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Hands On


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Conclusion

Easy to use

Quick implementation

Quick to deploy

Free =)

Once you use it, you want more of it


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Any Question?


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Recommended links

cakephp.org

cakelive.net

php.net

apachefriends.org/en/xampp.html

Download slides plaktoz.com/misc/learncake.zip

Documents

Tech Talk - Cakephp