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Simplify the process to upload a file at model level
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UploaderBehavior.php
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README.md

Yii2 Uploader Behavior for Active Record

Build Status Latest Stable Version Total Downloads Latest Unstable Version License

Automates file uploading for every attribute tagged with file or image validation rule. It also configures the way that filename should be renamed and stored in database as attribute value.

Installation

The preferred way to install this extension is through composer.

Either run

php composer.phar require --prefer-dist daxslab/yii2-uploader-behavior "*"

or add

"daxslab/yii2-uploader-behavior": "*"

to the require section of your composer.json file.

Usage

Once the extension is installed, simply use it in your models by :

use daxslab/behaviors/UploaderBehavior;

public function behaviors() {
    return [
        UploaderBehavior::className()
    ];
}

This is the simplest way of usage. It will look for all attributes with a file or image validation rule.

public function rules()
{
    return [
        [['name'], 'required'],
        [['name'], 'string', 'max' => 256],
        [['image'], 'image', 'skipOnEmpty' => true],
    ];
}

And update the form to specify a file input for the image attribute:

$form->field($model, 'image')->fileInput();

For a more controlled usage, you can specify which attributes to control using the attributes option as in :

use daxslab/behaviors/UploaderBehavior;

public function behaviors() {
    return [
        [
            'class' => UploaderBehavior::className(),
            'attributes' => ['avatar'] // or you can use the string format as in 'attributes' => 'avatar'
        ]
    ];
}

By default the filename of the uploaded file is randomized, but if you want to configure it you can setup the renamer option:

use daxslab/behaviors/UploaderBehavior;

public function behaviors() {
    return [
        [
            'class' => UploaderBehavior::className(),
            'attributes' => ['avatar'] // or you can use the string format as in 'attributes' => 'avatar'
            'renamer' => UploaderBehavior::RENAME_MD5 //will encode the filename with md5()
        ]
    ];
}

also you can specify a custom function to rename the filename:

use daxslab/behaviors/UploaderBehavior;

public function behaviors() {
    return [
        [
            'class' => UploaderBehavior::className(),
            'attributes' => ['avatar'] // or you can use the string format as in 'attributes' => 'avatar'
            'renamer' => function($name, $owner){
                return strtoupper($name); //will turn the filename into uppercase
            }
        ]
    ];
}

Proudly made by Daxslab.

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