Tutorial: Web based search engine for Flickr June 4, 2006
Posted by rossoft in CakePHP.trackback
This is a CakePHP clone of the screencast of RoR (they can, we can).
The source code and related files can be found here.
0. Download cake, untar it in a directory, configure your webserver, set write permission to app/tmp/ recursive
If you don’t have mod_rewrite, uncomment define (‘BASE_URL’, env(‘SCRIPT_NAME’)); at app/config/core.php
1. Create app/views/layouts/default.thtml
<?php header(‘Content-type: text/html;charset=UTF-8’);?>
<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”>
<html xmlns=”http://www.w3.org/1999/xhtml”>
<head>
<meta http-equiv=”Content-type” content=”text/html; charset=utf-8″ />
<title><?php echo $title_for_layout ?></title>
<?php
echo $javascript->link(‘prototype’);
echo $javascript->link(‘scriptaculous’);
echo $javascript->link(‘effects’);
echo $html->css(‘flickr’);
?>
</head>
<body>
<?php echo $content_for_layout ?>
</body>
</html>
2. Create app/views/layouts/ajax.thtml
<?php header(‘Content-type: text/html;charset=UTF-8’);?>
<?php echo $content_for_layout; ?>
3. Bake:
rossoft@linux:~/programacion/flickr_tutorial> php cake/scripts/bake.php
Your database configuration was not found. Take a moment to create one:
—————————————————————
Database Configuration Bake:
—————————————————————
What is the hostname for the database server?
[localhost] >
What is the database username?
> XXXXX
What is the database password?
> YYYYY
What is the name of the database you will be using?
> mydatabase
—————————————————————
The following database configuration will be created:
—————————————————————
Host: localhost
User: ********
Pass: ********
Database: mydatabase
—————————————————————
Look okay? (y/n)
[y] > y
Creating file /home/rossoft/programacion/flickr_tutorial//app/config/database.php
Wrote /app/config/database.php
[M]odel
[C]ontroller
[V]iew
Please select a class to Bake: (M/V/C)
> C
—————————————————————
Controller Bake:
—————————————————————
Controller name? Remember that Cake controller names are plural.
> Flickr
Would you like bake to build your controller interactively?
Warning: Choosing no will overwrite Flickr controller if it exist. (y/n)
[y] > y
Would you like this controller to use other models besides ‘Flickr’? (y/n)
[n] > n
Would you like this controller to use other helpers besides HtmlHelper? (y/n)
[n] > y
Please provide a comma separated list of the other helper names you’d like to use.
Example: ‘Ajax, Javascript, Time’
> Ajax, Javascript
Would you like this controller to use any components? (y/n)
[n] > y
Please provide a comma separated list of the component names you’d like to use.
Example: ‘Acl, MyNiftyHelper’
> RequestHandler
Would to include some basic class methods (index(), add(), view(), edit())? (y/n)
[n] > n
—————————————————————
The following controller will be created:
—————————————————————
Controller Name: Flickr
Helpers: Ajax, Javascript
Components: RequestHandler
—————————————————————
Look okay? (y/n)
[y] > y
Creating file /home/rossoft/programacion/flickr_tutorial//app/controllers/flickr_controller.php
Wrote /app/controllers/flickr_controller.php
Cake test suite not installed. Do you want to bake unit test files anyway? (y/n)
[y] > n
4. Change the file app/controllers/flickr_controller.php to
<?php
class FlickrController extends AppController
{
//var $scaffold;
var $name = ‘Flickr’;
var $helpers = array(‘Html’, ‘Ajax’, ‘Javascript’);
var $components = array(‘RequestHandler’);
var $uses = array();
function index()
{
}
}
?>
5. rossoft@linux:~/programacion/flickr_tutorial> php cake/scripts/bake.php
Please select a class to Bake: (M/V/C)
> V
—————————————————————
View Bake:
—————————————————————
Controller Name? (plural)
> Flickr
Would you like bake to build your views interactively?
Warning: Choosing no will overwrite views if it exist. (y/n)
[y] > y
Would you like to create some scaffolded views (index, add, view, edit) for this controller?
NOTE: Before doing so, you’ll need to create your controller and model classes (including associated models). (y/n)
[n] > n
Action Name? (use camelCased function name)
> index
—————————————————————
The following view will be created:
—————————————————————
Controller Name: flickr
Action Name: index
Path: app/views/flickr/index.thtml
—————————————————————
Look okay? (y/n)
[y] > y
6. At this point, you can go to your browser http://your_path_to_cake/flickr/ and you will see ‘index’ string
7. Change the file app/views/flickr/index.thtml to :
<?php echo $ajax->form(array(‘action’=>$html->url(‘search’)))?>
<fieldset>
<label for=”tags”>Tags:</label>
<?php echo $html->input(‘Flickr/tags’) ?>
<?php echo $ajax->submit(‘Find’) ?>
<?php echo $html->image(‘spinner.gif’,array( ‘alt’=>’Searching…’,
‘id’=>’spinner’,
‘style’=>’display: none’))?>
</fieldset>
<div id=”photos” />
<?php echo $ajax->observeField(‘FlickrTags’,
array( ‘update’=>’photos’,
‘url’=>’search’,
‘frequency’=>2,
‘loading’=>”Element.show(‘spinner’);”,
‘loaded’=>”Element.hide(‘spinner’);”,
‘complete’=>”new Effect.BlindDown(‘photos’)”,
));
?>
</form>
8. Create app/webroot/css/flickr.css :
body {
background-color: #888;
font-family: Lucida Grande;
font-size: 11px;
margin: 25px;
}
form {
margin: 0;
margin-bottom: 10px;
background-color: #eee;
border: 5px solid #333;
padding: 25px;
}
fieldset {
border: none;
}
#photos img {
border: 1px solid #000;
width: 75px;
height: 75px;
margin: 5px;
}
input {
color: #000000;
background-color:#ccc;
}
input:hover {
color: #ffff00;
background-color:#777;
}
9. Refresh browser to see the changes
10.
rossoft@linux:~/programacion/flickr_tutorial> php cake/scripts/bake.php
Please select a class to Bake: (M/V/C)
> V
Controller Name? (plural)
> Flickr
Would you like bake to build your views interactively?
Warning: Choosing no will overwrite views if it exist. (y/n)
[y] >
Would you like to create some scaffolded views (index, add, view, edit) for this controller?
NOTE: Before doing so, you’ll need to create your controller and model classes (including associated models). (y/n)
[n] >
Action Name? (use camelCased function name)
> search
—————————————————————
The following view will be created:
—————————————————————
Controller Name: flickr
Action Name: search
Path: app/views/flickr/search.thtml
—————————————————————
Look okay? (y/n)
[y] > y
Creating file /home/rossoft/programacion/flickr_tutorial//app/views/flickr/search.thtml
Wrote /app/views/flickr/search.thtml
11. Replace app/controllers/flickr_controller.php with this:
(added Flickr component and search() method)
<?php
class FlickrController extends AppController
{
//var $scaffold;
var $name = ‘Flickr’;
var $helpers = array(‘Html’, ‘Ajax’, ‘Javascript’);
var $components = array(‘RequestHandler’,’Flickr’);
var $uses = array();
function index()
{
}
function search()
{
$photos = array();
if ($search=@$this->data[‘Flickr’][‘tags’])
{
$data = $this->flickr->photos_search(array(
‘tags’ => $search,
‘per_page’ => 24));
if (isset($data[‘photo’]) && is_array($data[‘photo’]))
{
foreach ($data[‘photo’] as $photo)
{
$photos[]=array(
‘info_url’=>”http://www.flickr.com/photos/{$photo[‘owner’]}/{$photo[‘id’]}”,
‘small_url’ =>$this->flickr->buildPhotoURL($photo,”small”));
}
}
}
$this->set(‘photos’,$photos);
}
}
?>
12. Edit app/views/flickr/search.thtml :
<?php
foreach ($photos as $photo)
{
echo $this->renderElement(‘flickr/photo’,$photo);
}
?>
13. Create app/views/elements/flickr/photo.thtml :
<a class=”photo” href=”<?php echo $info_url?>” target=”_blank”>
<img class=”photo” src=”<?php echo $small_url?>”>
</a>
14. Copy the flickr component to app/controllers/components/flickr.php
Edit and change the API KEY (you can get your own at http://www.flickr.com/services/api/misc.api_keys.html )
15. Copy the phpflickr dir to app/vendors/phpflickr/ (download from https://sourceforge.net/project/showfiles.php?group_id=139987 )
16. Copy the spinner.gif to app/webroot/img
17. Copy scriptaculous + prototype js to app/webroot/js/
18. Refresh your browser and see the magic
RosSoft 
[…] Gotta love that statement made by Miguel Ros while presenting his Cake version of this RoR screencast […]
Excellent, thanks for the tutorial
[…] RosSoft » Tutorial: Web based search engine for Flickr A no-nonsense tutorial to create an ajax powered Flickr search engine in CakePHP. Uses Bake to build the MVC components. Based on a popular RoR screencast. They can, we can! (tags: cakephp ajax tutorial bake flickr) […]
This looks hot!!
1. Can you put a live demo here or somewhere so that we can still have some look and feel in case we can not make it?
2. I am seeing an error as
Fatal error: Call to a member function on a non-object in F:\temp\cake\app\views\layouts\default.thtml on line 8
which is
echo $javascript->link(’prototype’);
But I am sure the scriptaculous library works on the ajax task tutorial.
Just Awesome
@phpnut2
q1: I have the internet connection at home broken, I will do it when it works
q2: Include the javascript helper in AppController
same error with phpnut2
Included the javascript helper in controllers/flickr_controller.php
class FlickrController extends AppController
{
//var $scaffold;
var $name = ‘Flickr’;
//var $helpers = array(‘Html’, ‘Ajax’, ‘Javascript’);
var $helpers = array(‘html’, ‘ajax’, ‘javascript’);
but also show me this:
Notice: Undefined variable: javascript in /home/.finale/zyn/cakeprojects/cakeflickr/views/layouts/default.thtml on line 8
Fatal error: Call to a member function link() on a non-object in /home/.finale/zyn/cakeprojects/cakeflickr/views/layouts/default.thtml on line 8
Include the javascript helper in APPCONTROLLER
thanks you very much , it’s good tutorial ,
make me know more usage in cakephp.
[…] A friend of mine mentioned it’s existence in #cakephp on irc.freenode.net and I noticed that they had another version up on the website by Ros-soft. Whether it was the reason it was made I dont know but I didnt feel the need to release this one afterwards, but here it is anyhow. […]
Cool
A little more details for those who got error:
Fatal error: Call to a member function on a non-object in F:\temp\cake\app\views\layouts\default.thtml on line 8
create file app/app_controller.php
It just gives an error:
The Flickr API returned error code #100: Invalid API Key (Key not found)
What is the advantage of CakePHP over Code Igniter?
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Love your examples just having some minor issues..
Stable: 1.1.17.5612 Cake PHP –
Notice: Use of undefined constant �Flickr� – assumed ‘�Flickr�’ in /home/.frowsy/*******/ihang10/cake/dispatcher.php on line 157
Notice: Use of undefined constant �Html� – assumed ‘�Html�’ in /home/.frowsy/*******/ihang10/cake/dispatcher.php on line 157
Notice: Use of undefined constant �Ajax� – assumed ‘�Ajax�’ in /home/.frowsy/*******/ihang10/cake/dispatcher.php on line 157
Notice: Use of undefined constant �Javascript� – assumed ‘�Javascript�’ in /home/.frowsy/*******/ihang10/cake/dispatcher.php on line 157
Notice: Use of undefined constant �RequestHandler� – assumed ‘�RequestHandler�’ in /home/.frowsy/*******/ihang10/cake/dispatcher.php on line 157
Will hunt and look for a reason why these are not working. I am also interested in some of your other examples ie Blog do you have your files on a new server yet?? Please let me know thanks:)
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i have some issues with
Notice: Use of undefined constant �Javascript� – assumed ‘�Javascript�’ in /home/.frowsy/*******/ihang10/cake/dispatcher.php on line 157
Notice: Use of undefined constant �RequestHandler� – assumed ‘�RequestHandler�’ in /home/.frowsy/*******/ihang10/cake/dispatcher.php on line 157
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7 Flickr Photo Search Engines…
Flickr is one of the most popular image hosting website. Many photo hosted there but not easy to find what we want.
There is a search engine in Flickr itself, but the preview page is limited. Also, sometime the results not what we want to find. So here…
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