Dave Dash

doctine and getState()

2007-07-10T00:00:00-07:00

[tags]doctrine, php, symfony, sfDoctrine, database,errors[/tags]

I tend to have models with a field called state. Doctrine offers a few ways of getting to the state field:

$obj->get('state');
$obj['state'];

$obj->getState() however conflicts with Doctrine_Record::getState() from which all objects inherit. Use one of the above alternatives.

Using sfDoctrine to match allowed email domains

2007-07-09T00:00:00-07:00

[tags]php, propel, doctrine, validators, symfony, optiopt, startup[/tags]

I'm a co-founder at an online finance web site and I'm in charge with building out the site. Our rollout strategy is to let a a handful of companies at a time, so we're limiting registration based on your company's email address.

I decided to follow the bandwagon and use PHP Doctrine. We'll define two objects, Company and CompanyDomain:

Company:
  tableName: company
  columns:
    name: {type: string(100)}
    created_at: timestamp
    updated_at: timestamp

CompanyDomain:
  tableName: company_domain
  columns:
    company_id:
      foreignClass: Company
      cascadeDelete: true
    pattern: {type: string(100)}

Where a CompanyDomain represents a domain name for a company. E.g. Motorola might have both motorola.com and mot.com.

We can validate a signup form and see if we've got an email address from a domain we recognize. I like using the validationXXX methods in an action class for specific validation. I made one called validateSignup:

public function validateSignup()
{
    if ($this->isPost())
    {
        $email = $this->getRequestParameter('company_email');
        if (!$company = CompanyTable::match($email))
        {
            $this->getRequest()->setError('company_email', 'Your work email doesn\'t appear to belong to any of the registered companies.');
            return false;
        }
        return true;
    }
}

In our CompanyTable we create a static function CompanyTable::match:

static public function match($email)
{
    $company = Doctrine_Query::create()->from('Company c, c.CompanyDomains d')->where('? LIKE CONCAT(\'%\', pattern)', $email)->execute()->getFirst();

    return $company;
}

Note that we transparently do a join in the ->from() statement. If there's a match we get a company object (which we can associate with the new user) otherwise we get a null object.

Enjoy.

Saving a file to a database using symfony and doctrine

2007-07-07T00:00:00-07:00

[tags]symfony, doctrine, database, uploads, wordpress, fixme[/tags]

I like to save content uploaded by website visitors to a database versus the file system. It makes it easy having the data all in one spot.

I tend to overcomplicate this process, so I wanted to write down the important steps:

In the template set multipart=true for the form. If you're using symfony helpers you can do this via:
```
 form_tag('@action', 'multipart=true')
```

Extract the binary data you want to store in the database in your action:

 $path = $this->getRequest()->getFilePath('my_file');
 $size = $this->getRequest()->getFileSize('my_file');
 $type = $this->getRequest()->getFileType('my_file');    
 $data = fread(f_open($path, "r"), $size);

 $myObject              = new MyObject();
 $myObject['file_data'] = $data;
 $myObject['file_size'] = $size;
 $myObject['mime_type'] = $type;
 $myObject->save();

Note: Wordpress is garbage so f_open should not have an underscore... what to do...

At least that's how we role with Doctrine. Note, Doctrine syntax is changing, and this may not be the most efficient way to create a new Doctrine Record in your application.