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Instacar\ExtraFiltersBundle

A Symfony Bundle for API Platform to add a powerful filter based on Symfony Expressions, with support for virtual fields and composable filters.

Upgrading

This version is for API Platform 2.7 and 3.0 with PHP 8.1 and Symfony 6.1. If you use API Platform 2.6, PHP 7.4 or Symfony 5.4, you must use the v1 of this package.

Before you go

This is a WIP (Work-In-Progress), so you must expect breaking changes with the release of a new version. This software will try to stick with the semver conventions (trying to don't introduce backward-incompatible changes with the release of new patch version), but I don't provide support for old versions.

Scope

This bundle is NOT:

• A client-side expression builder. You must define the properties and the expressions beforehand. If you want it, you can use this awesome bundle by metaclass (but it can open DDoS vectors in public APIs, see this comment).

Installation

Make sure Composer is installed globally, as explained in the installation chapter of the Composer documentation.

Applications that use Symfony Flex

Open a command console, enter your project directory and execute:

That's all! You can jump right to "Configuration".

Applications that don't use Symfony Flex

Step 1: Download the Bundle

Open a command console, enter your project directory and execute the following command to download the latest stable version of this bundle:

Step 2: Enable the Bundle

Then, enable the bundle by adding it to the list of registered bundles in the config/bundles.php file of your project:

Configuration

By default, the ExpressionFilter enable the API Platform filters by default (excluding OrderFilter), but you can enable your own filters using updating the configuration. Example:

You can also disable the API Platforms filters for the ExpressionFilter setting the value of the filter to "false". Example with all the available filters:

Usage

You can implement the ExpressionFilter as a normal filter for API Platform. For example:

The expression syntax are the following:

Where:

• filter-property: The property used for filter in your API. You can use a virtual property (a property that is not present in your entity).
• operator: A supported operator.
• filter: A supported filter.
• property: The name of the property from the entity. You can use "property" if you want to use the same name from the filter-property.
• strategy: The strategy from the documented values in the filter's documentation. Optional. You can use "null" for use the follow parameter.
• value: The value passed to the filter. Optional. You can manipulate the value before pass it to the filter with this property, for example with the DateFilter you can search old dates with {before: value}.

Allowed values

• user: Equal to the current Symfony user.
• token: Equal to the curren Symfony security token.

Supported operators

• andWhere: Equal to the SQL operator "AND".
• orWhere: Equal to the SQL operator "OR".
• notWhere: Equal to the SQL operator "NOT".

Supported filters

• All the filters for API Platform for the ORM (currently tested SearchFilter and DateFilter).
• Custom filters that implement the interface FilterInterface for the ORM. Note: The filter's name for the expression is in camelCase without the "Filter" suffix (for example, SearchFilter is converted to search).

Limitations

• It only works with the ORM filters.
• It does not generate a tailored documentation for API Platform, it only generates a generic property with the "string" value.

Future work

These are the list of the ideas that I have for this bundle. If you have another idea, let me know in the "Issues" tab.

• Working ODM filters with this filter.

Licensing

This bundle is licensed under the GNU LGPLv3. For a quick resume of the permissions with this license see the GNU LGPLv3 in choosealicense.com.

See the LICENSE file for more details.