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SettingsManagerBundle

Provides a nice way to define variables and inject them into application parts.

• Supporting bool, string, int, float, array as setting values.
• Multiple providers.
• User interface.

Jump to

• Quick start
• Usage
• Models
• Setting providers
• Configuration reference
• User interface
• Twig
• Controller

Quick start

1. composer require harmony/settings-manager-bundle

2. Register bundle to AppKernel.php (Symfony3) or config/bundles.php (Symfony4)

3. Add an example configuration to app/config/config.yml (Symfony3) or config/packages/settings_manager.yaml (Symfony4)

4. Now, the easiest way to get settings in your services is by using SettingsRouterAwareTrait. The service will be automatically injected by autowire. Then just ask for setting:

Usage

To get settings into your services, you have a few choices:

• SettingsRouter
• Service Tag

SettingsRouter

SettingsRouter is pretty straight-forward. It has one main method, called $settingsRouter->get($settingName, $default = null), which returns a setting of any type. If the setting is missing, default value will be returned. Other getters are aliases for get but with declared return types and appropriate default values.

Service Tag

If you dont want to inject SettingsRouter or wish for a cleaner service, service tags are here to help. First of all, the service must have a setter, which can be used to inject a setting value. For bool values, the bundle provides the SwitchableTrait, which adds setEnabled and isEnabled methods. Then add a tag on your service with attributes setting for setting name and method for method name. Example:

Models

Harmony\Bundle\SettingsManagerBundle\Model\SettingModel

Base setting model.

Harmony\Bundle\SettingsManagerBundle\Model\DomainModel

Domain is like a group for settings. Setting cannot exist without domain. The default is named default, which is also always enabled. Domain can hold only one setting with the same name. Settings with the same names must be in different domains. When a setting is requested, the one from a higher priority domain will be returned.

Harmony\Bundle\SettingsManagerBundle\Model\Type

Enum which holds supported types for setting. Values:

• STRING
• BOOL
• INT
• FLOAT
• YAML
• CHOICE

Setting providers

Settings can be pulled from multiple sources. Currently, the bundle comes with 4 settings providers. They can be configured and prioritized. If a setting with the same name will come from >1 providers, setting from provider with higher priority will override settings from lower priority providers.

Settings can be easily mutated in providers using user interface.

Settings providers:

• Simple
• DoctrineORM
• Cookie
• AWS SSM

And additional 2 decorating providers:

• Phpredis
• Predis

Simple settings provider

Harmony\Bundle\SettingsManagerBundle\Provider\SimpleSettingsProvider

This is a provider, which only holds settings collections. Currently, it's being used to hold settings from configuration, but many more can be configured.

To configure additional simple providers, factory is provided because provider can only accept already denormalized objects.

Configuration example:

DoctrineORM settings provider

Harmony\Bundle\SettingsManagerBundle\Provider\DoctrineOrmSettingsProvider

This is a provider which reads and saves settings using EntityManagerInterface.

Required libraries:

• doctrine/orm

• acelaya/doctrine-enum-type

  I am guessing you already have it :open_mouth:
  composer require doctrine/orm acelaya/doctrine-enum-type

Configuration example:

1. Doctrine configuration

2. Create setting entity

3. Update your doctrine schema.

4. Register settings provider:

Cookie settings provider

Harmony\Bundle\SettingsManagerBundle\Provider\CookieSettingsProvider

This is a provider, which only enables existing settings by using a cookie. Cookies are encoded, so that they could not be randomly enabled by users.

Required libraries:

• paragonie/paseto

  composer require paragonie/paseto

  Paseto is used to encrypt cookies.

  Configuration example:

Asymmetric Cookie settings provider

Harmony\Bundle\SettingsManagerBundle\Provider\AsymmetricCookieSettingsProvider

This is a provider, which only enables existing settings by using a cookie. Cookies are encoded with asymmetric private and public keys, so that they could not be randomly enabled by users.

Required libraries:

• paragonie/paseto

  composer require paragonie/paseto

  Paseto is used to encrypt cookies.

  Configuration example:

AWS SSM settings provider

Harmony\Bundle\SettingsManagerBundle\Provider\AwsSsmSettingsProvider

This is a provider, which is used only for reading and updating existing ssm parameters as settings.

Required libraries:

• aws/aws-sdk-php

  composer require aws/aws-sdk-php

Configuration example:

Phpredis decorating settings provider

Harmony\Bundle\SettingsManagerBundle\Provider\DecoratingRedisSettingsProvider

This provider is used to cache other settings providers like symfony/cache adapters because we want to take advantage of redis data structures for simplier invalidation process.

Required extensions:

• phpredis

  pecl install redis-3.1.6

Configuration example:

Predis decorating settings provider

Harmony\Bundle\SettingsManagerBundle\Provider\DecoratingPredisSettingsProvider

Same as predis.

Required libraries:

• predis/predis

  composer require predis/predis

Configuration reference

User interface

User interface can be used to change setting values, enable or disable domains.

1. Bundled user interface requires knp-menu-bundle, jsrouting-bundle.

   composer require knplabs/knp-menu-bundle friendsofsymfony/jsrouting-bundle

2. Include routing file.

That's it. Now go to the /settings path and you will see the settings user interface.

Twig

The Twig extension is also added to get settings in your twig templates. Just like in SettingsRouter, first argument is the setting name and the second sets default value.

Controller

Harmony\Bundle\SettingsManagerBundle\Controller\Traits\SettingsControllerTrait

Adds a method to deny access, unless a setting is enabled. It's using SettingsRouter, which, again, will be injected by autowire.

Contribution

New feature branches should be created from the master branch.