A site in 15 minutes with yii

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Creating a basic site in 15 minutes using the Yii framework.

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A site in 15 minutes with yii

  1. 1. Building a site in 15 minutes With the Yii Framework
  2. 2. What is Yii?• MVC Framework – Model, View, Controller• PHP• Built to be fast, secure and professional – Faster than Cake, Codeigniter, Zend1• Lots of plumbing already in place – Build a site quickly, don’t reinvent the wheel• Gii GUI for quickly creating application scaffolding – Web-based code generation 1http://www.yiiframework.com/performance/
  3. 3. How do we start?• Basic VM image provided – run with VirtualBox – Already set-up : CentOS 6, Nginx, PHP, MySQL, Yii• Some initial personlisation – Login as root, (password yii) – Create a user • useradd -G wheel akelk • passwd akelk • visudo • Make sure wheel can run sudo – Login as yourself (using putty)
  4. 4. Creating our site with Yii• Run yiic – Directory already in place, navigate to /var/www/html/yiisite – Initially we run using sudo as all files are owned by nginx – sudo ../../yii/framework/yiic webapp . – Then we’ll change ownership and give ourselves write permissions for easier development purposes – sudo chown -R nginx:wheel .; sudo chmod -R g+w .• Now we’re ready to visit our site – Fire up your favourite browser – Visit the main Yii URL (e.g. http://192.168.0.107/) – Explore the site
  5. 5. Configuring our site• Main config file is in protected/config/main.php – Set up access to the mysql database • db=>array( connectionString => mysql:host=localhost;dbname=iproperty, emulatePrepare => true, username => iproperty, password => iproperty, charset => utf8, ), – Enable the Gii GUI • modules=>array( gii=>array( class=>system.gii.GiiModule, password=>iproperty, ipFilters=>array(127.0.0.1,::1,192.168.*), ), ),
  6. 6. Create the scaffolding• Naïve SQL schema – CREATE TABLE `listing` ( `id` int(11) NOT NULL AUTO_INCREMENT, `title` varchar(255) DEFAULT NULL, `description` text, `state` varchar(50) DEFAULT NULL, `area` varchar(50) DEFAULT NULL, `price` decimal(10,0) DEFAULT NULL, `status` char(1) DEFAULT NULL, `issale` tinyint(1) DEFAULT NULL, `isrent` tinyint(1) DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1;• Fire up gii and login – http://192.168.0.107/index.php?r=gii – Password is iproperty• Create model (named listing)• Create CRUD (using Listing model and listing controller)
  7. 7. Try it out• Add a new listing or two – Using the create action• View the listings – Using the view action• Manage listings – Using the manage action• But no search? – Only accessible via manage when you’re logged in – Let’s create one!
  8. 8. Extending our site• Create a search action – Very similar to admin• Allow access to all – Edit the accessRules method• Create a view to render it – Similar to admin but use a CLinkColumn for the grid display – array( class=>CLinkColumn, urlExpression=> Yii::app()->createUrl("listing/view",array("id"=>$data->id)), ), – Re-use _search.php from the admin action
  9. 9. Review• For simple CRUD, all you need is a sensible database schema, ActiveRecord and Gii; relationships will help you navigate between objects.• You can add new actions – remember to keep the controllers skinny, the models fat• There’s loads of helper classes: – HTTP Responses (including errors) – Caching (File, MemCache, Opcode caching) – Data structures (Maps, Iterators, Queues) – Validators (String, URL, Number, Email, etc) – Web widgets (grids, forms, inputs) – Web services (SOAP, REST) – I18n (Translating, Messages, Date formats, etc)• Read the documentation

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