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peterfoxpeterfox
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Maintenance mode with flags (#54)
1 parent 485ecdc commit b36ac69

14 files changed

+532
-3
lines changed

‎composer.json‎

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@@ -17,7 +17,7 @@
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],
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"require": {
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"php": "^8.0",
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"illuminate/contracts": "10.*|9.*"
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"illuminate/contracts": "10.*|^9.6"
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},
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"require-dev": {
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"laravel/pint": "^1.2",

‎src/Contracts/Maintenance.php‎

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<?php
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namespace YlsIdeas\FeatureFlags\Contracts;
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interface Maintenance
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{
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public function active(): bool;
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public function parameters(): ?array;
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public function callActivation(array $properties): void;
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public function callDeactivation(): void;
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}

‎src/Facades/Features.php‎

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@@ -28,6 +28,7 @@
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* @method static \static callOnExpiredFeatures(array $expiredFeatures, callable|null $handler = null)
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* @method static \static applyOnExpiredHandler(\YlsIdeas\FeatureFlags\Contracts\ExpiredFeaturesHandler $handler)
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* @method static \static extend(string $driver, callable $builder)
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* @method static \YlsIdeas\FeatureFlags\Support\MaintenanceRepository maintenanceMode()
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* @method static void assertAccessed(string $feature, int|null $count = null, string $message = '')
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* @method static void assertNotAccessed(string $feature, string $message = '')
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* @method static void assertAccessedCount(string $feature, int $count = 0, string $message = '')

‎src/FeatureFlagsServiceProvider.php‎

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@@ -3,8 +3,11 @@
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namespace YlsIdeas\FeatureFlags;
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use Illuminate\Console\Scheduling\Event;
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use Illuminate\Contracts\Container\Container;
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use Illuminate\Contracts\Foundation\MaintenanceMode;
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use Illuminate\Database\Query\Builder;
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use Illuminate\Foundation\Console\AboutCommand;
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use Illuminate\Foundation\MaintenanceModeManager;
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use Illuminate\Routing\Router;
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use Illuminate\Support\Facades\Blade;
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use Illuminate\Support\Facades\Validator;
@@ -13,6 +16,8 @@
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use YlsIdeas\FeatureFlags\Facades\Features;
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use YlsIdeas\FeatureFlags\Middlewares\GuardFeature;
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use YlsIdeas\FeatureFlags\Rules\FeatureOnRule;
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use YlsIdeas\FeatureFlags\Support\MaintenanceDriver;
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use YlsIdeas\FeatureFlags\Support\MaintenanceRepository;
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use YlsIdeas\FeatureFlags\Support\QueryBuilderMixin;
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/**
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__DIR__.'/../migrations/create_features_table.php' => database_path('migrations/'.$migration),
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], 'features-migration');
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$this->publishes([
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__DIR__.'/../stubs/PreventRequestsDuringMaintenance.php' => app_path('Http/Middleware/PreventRequestsDuringMaintenance.php'),
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], 'maintenance-middleware');
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// Registering package commands.
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if (Features::usesCommands()) {
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$this->commands([
@@ -76,7 +85,7 @@ public function boot()
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/**
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* Register the application services.
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*/
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public function register()
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public function register(): void
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{
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// Automatically apply the package configuration
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$this->mergeConfigFrom(__DIR__.'/../config/features.php', 'features');
@@ -86,6 +95,18 @@ public function register()
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} else {
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$this->app->singleton(FeaturesContract::class, Manager::class);
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}
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$this->app->scoped(MaintenanceRepository::class, function (Container $app) {
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return new MaintenanceRepository($app->make(FeaturesContract::class), $app);
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});
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$this->app->extend(MaintenanceModeManager::class, function (MaintenanceModeManager $manager) {
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return $manager->extend('features', function (): MaintenanceMode {
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return new MaintenanceDriver(
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$this->app->make(MaintenanceRepository::class)
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);
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});
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});
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}
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protected function schedulingMacros()
@@ -126,7 +147,7 @@ protected function queryBuilder()
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protected function aboutCommandInfo(): void
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{
129-
if (class_exists('Illuminate\Foundation\Console\AboutCommand')) {
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if (class_exists(AboutCommand::class)) {
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AboutCommand::add('Feature Flags', [
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'Pipeline' => fn () => implode(', Hello', config('features.pipeline')),
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]);

‎src/Manager.php‎

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@@ -30,6 +30,7 @@
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use YlsIdeas\FeatureFlags\Support\FileLoader;
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use YlsIdeas\FeatureFlags\Support\GatewayCache;
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use YlsIdeas\FeatureFlags\Support\GatewayInspector;
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use YlsIdeas\FeatureFlags\Support\MaintenanceRepository;
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/**
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* @see \YlsIdeas\FeatureFlags\Tests\ManagerTest
@@ -226,6 +227,11 @@ public function extend(string $driver, callable $builder): static
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return $this;
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}
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230+
public function maintenanceMode(): MaintenanceRepository
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{
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return $this->container->make(MaintenanceRepository::class);
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}
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protected function getContainer(): Container
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{
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return $this->container;

‎src/Middlewares/PreventRequestsDuringMaintenance.php‎

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<?php
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namespace YlsIdeas\FeatureFlags\Middlewares;
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use Illuminate\Foundation\Http\Middleware\PreventRequestsDuringMaintenance as BasePreventRequestsDuringMaintenance;
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class PreventRequestsDuringMaintenance extends BasePreventRequestsDuringMaintenance
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{
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public function getExcludedPaths()
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{
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return $this->app->maintenanceMode()->data()['except'] ?? [];
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}
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}

‎src/Support/MaintenanceDriver.php‎

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<?php
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namespace YlsIdeas\FeatureFlags\Support;
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use Illuminate\Contracts\Foundation\MaintenanceMode;
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use YlsIdeas\FeatureFlags\Contracts\Maintenance as MaintenanceContract;
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class MaintenanceDriver implements MaintenanceMode
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{
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public function __construct(protected MaintenanceContract $features)
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{
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}
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public function activate(array $payload): void
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{
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$this->features->callActivation($payload);
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}
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public function deactivate(): void
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{
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$this->features->callDeactivation();
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}
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public function active(): bool
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{
26+
return $this->features->active();
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}
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public function data(): array
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{
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return $this->features->parameters() ?? [];
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}
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}

‎src/Support/MaintenanceRepository.php‎

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<?php
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namespace YlsIdeas\FeatureFlags\Support;
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use Illuminate\Contracts\Container\Container;
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use YlsIdeas\FeatureFlags\Contracts\Features;
7+
use YlsIdeas\FeatureFlags\Contracts\Maintenance;
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class MaintenanceRepository implements Maintenance
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{
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public array $scenarios = [];
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public ?MaintenanceScenario $foundScenario = null;
14+
protected \Closure $uponActivation;
15+
protected \Closure $uponDeactivation;
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17+
public function __construct(protected Features $features, protected Container $container)
18+
{
19+
}
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21+
public function uponActivation(callable $callable): static
22+
{
23+
$this->uponActivation = \Closure::fromCallable($callable);
24+
25+
return $this;
26+
}
27+
28+
public function uponDeactivation(callable $callable): static
29+
{
30+
$this->uponDeactivation = \Closure::fromCallable($callable);
31+
32+
return $this;
33+
}
34+
35+
public function callActivation(array $properties): void
36+
{
37+
$this->container->call($this->uponActivation, [
38+
'properties' => $properties, 'features' => $this->features,
39+
]);
40+
}
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42+
public function callDeactivation(): void
43+
{
44+
$this->container->call($this->uponDeactivation, ['features' => $this->features]);
45+
}
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47+
public function onEnabled($feature): MaintenanceScenario
48+
{
49+
return tap((new MaintenanceScenario())->whenEnabled($feature), function (MaintenanceScenario $scenario) {
50+
$this->scenarios[] = $scenario;
51+
});
52+
}
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54+
public function onDisabled($feature): MaintenanceScenario
55+
{
56+
return tap((new MaintenanceScenario())->whenDisabled($feature), function (MaintenanceScenario $scenario) {
57+
$this->scenarios[] = $scenario;
58+
});
59+
}
60+
61+
public function active(): bool
62+
{
63+
return (bool) $this->findScenario();
64+
}
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66+
public function parameters(): ?array
67+
{
68+
return $this->foundScenario?->toArray();
69+
}
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71+
protected function findScenario(): ?MaintenanceScenario
72+
{
73+
return $this->foundScenario = collect($this->scenarios)
74+
->first(function (MaintenanceScenario $scenario) {
75+
if ($scenario->onEnabled && $this->features->accessible($scenario->feature)) {
76+
return true;
77+
}
78+
if (! $scenario->onEnabled && ! $this->features->accessible($scenario->feature)) {
79+
return true;
80+
}
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82+
return false;
83+
});
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}
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}

‎src/Support/MaintenanceScenario.php‎

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<?php
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3+
namespace YlsIdeas\FeatureFlags\Support;
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use Illuminate\Contracts\Support\Arrayable;
6+
7+
class MaintenanceScenario implements Arrayable
8+
{
9+
public string $feature;
10+
public bool $onEnabled;
11+
12+
protected array $attributes = [];
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14+
public function whenEnabled(string $feature): static
15+
{
16+
$this->feature = $feature;
17+
$this->onEnabled = true;
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19+
return $this;
20+
}
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22+
public function whenDisabled(string $feature): static
23+
{
24+
$this->feature = $feature;
25+
$this->onEnabled = false;
26+
27+
return $this;
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}
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30+
public function refresh(int $seconds): static
31+
{
32+
$this->attributes['refresh'] = (string) $seconds;
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34+
return $this;
35+
}
36+
37+
public function statusCode(int $status): static
38+
{
39+
$this->attributes['status'] = $status;
40+
41+
return $this;
42+
}
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44+
public function retry(int $seconds): static
45+
{
46+
$this->attributes['retry'] = $seconds;
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48+
return $this;
49+
}
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51+
public function secret(string $secret): static
52+
{
53+
$this->attributes['secret'] = $secret;
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55+
return $this;
56+
}
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58+
public function redirect(string $url): static
59+
{
60+
$this->attributes['redirect'] = $url;
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62+
return $this;
63+
}
64+
65+
public function template(string $html): static
66+
{
67+
$this->attributes['template'] = $html;
68+
69+
return $this;
70+
}
71+
72+
/**
73+
* @param string[] $urls
74+
*/
75+
public function exceptPaths(array $urls): static
76+
{
77+
$this->attributes['except'] = $urls;
78+
79+
return $this;
80+
}
81+
82+
public function toArray(): array
83+
{
84+
return $this->attributes;
85+
}
86+
}

‎stubs/PreventRequestsDuringMaintenance.php‎

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<?php
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namespace App\Http\Middleware;
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5+
use YlsIdeas\FeatureFlags\Middlewares\PreventRequestsDuringMaintenance as Middleware;
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class PreventRequestsDuringMaintenance extends Middleware
8+
{
9+
}

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