Merge 671f044 into ad03f8d

composer.json

@@ -32,6 +32,7 @@
         "egulias/email-validator": "^2.1",
         "harmonyio/http-client": "dev-master",
         "myclabs/php-enum": "^1.6",
+        "react/promise": "^2.7",
         "wikimedia/ip-set": "^1.2"
     },
     "require-dev": {
@@ -45,7 +46,10 @@
     "autoload": {
         "psr-4": {
             "HarmonyIO\\Validation\\": "src/"
-        }
+        },
+        "files": [
+            "src/functions.php"
+        ]
     },
     "autoload-dev": {
         "psr-4": {

src/Result/Error.php

@@ -0,0 +1,31 @@
+<?php declare(strict_types=1);
+
+namespace HarmonyIO\Validation\Result;
+
+final class Error
+{
+    /** @var string */
+    private $message;
+
+    /** @var Parameter[] */
+    private $parameters = [];
+
+    public function __construct(string $message, Parameter ...$parameters)
+    {
+        $this->message    = $message;
+        $this->parameters = $parameters;
+    }
+
+    public function getMessage(): string
+    {
+        return $this->message;
+    }
+
+    /**
+     * @return Parameter[]
+     */
+    public function getParameters(): array
+    {
+        return $this->parameters;
+    }
+}

src/Result/Parameter.php

@@ -0,0 +1,34 @@
+<?php declare(strict_types=1);
+
+namespace HarmonyIO\Validation\Result;
+
+class Parameter
+{
+    /** @var string */
+    private $key;
+
+    /** @var mixed */
+    private $value;
+
+    /**
+     * @param mixed $value
+     */
+    public function __construct(string $key, $value)
+    {
+        $this->key   = $key;
+        $this->value = $value;
+    }
+
+    public function getKey(): string
+    {
+        return $this->key;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getValue()
+    {
+        return $this->value;
+    }
+}

src/Result/Promise/Failure.php

@@ -0,0 +1,37 @@
+<?php declare(strict_types=1);
+
+namespace HarmonyIO\Validation\Result\Promise;
+
+use Amp\Loop;
+use Amp\Promise;
+use HarmonyIO\Validation\Result\Error;
+use HarmonyIO\Validation\Result\Result;
+
+final class Failure implements Promise
+{
+    /** @var Error[] */
+    private $errors = [];
+
+    public function __construct(Error $error, Error ...$errors)
+    {
+        $this->errors[] = $error;
+
+        foreach ($errors as $error) {
+            $this->errors[] = $error;
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function onResolve(callable $onResolved)
+    {
+        try {
+            $onResolved(null, new Result(false, ...$this->errors));
+        } catch (\Throwable $exception) {
+            Loop::defer(static function () use ($exception): void {
+                throw $exception;
+            });
+        }
+    }
+}

src/Result/Promise/Success.php

@@ -0,0 +1,24 @@
+<?php declare(strict_types=1);
+
+namespace HarmonyIO\Validation\Result\Promise;
+
+use Amp\Loop;
+use Amp\Promise;
+use HarmonyIO\Validation\Result\Result;
+
+final class Success implements Promise
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function onResolve(callable $onResolved)
+    {
+        try {
+            $onResolved(null, new Result(true));
+        } catch (\Throwable $exception) {
+            Loop::defer(static function () use ($exception): void {
+                throw $exception;
+            });
+        }
+    }
+}

src/Result/Result.php

@@ -0,0 +1,40 @@
+<?php declare(strict_types=1);
+
+namespace HarmonyIO\Validation\Result;
+
+final class Result
+{
+    /** @var bool */
+    private $valid;
+
+    /** @var Error[] */
+    private $errors;
+
+    public function __construct(bool $valid, Error ...$errors)
+    {
+        $this->valid  = $valid;
+        $this->errors = $errors;
+    }
+
+    public function isValid(): bool
+    {
+        return $this->valid;
+    }
+
+    public function getFirstError(): ?Error
+    {
+        if (!$this->errors) {
+            return null;
+        }
+
+        return $this->errors[0];
+    }
+
+    /**
+     * @return Error[]
+     */
+    public function getErrors(): array
+    {
+        return $this->errors;
+    }
+}

src/Rule/Age/Exact.php

@@ -3,7 +3,6 @@
 namespace HarmonyIO\Validation\Rule\Age;
 
 use Amp\Promise;
-use Amp\Success;
 use HarmonyIO\Validation\Rule\Rule;
 
 final class Exact implements Rule
@@ -21,10 +20,6 @@ public function __construct(int $age)
      */
     public function validate($value): Promise
     {
-        if (!$value instanceof \DateTimeInterface) {
-            return new Success(false);
-        }
-
         return (new Range($this->age, $this->age))->validate($value);
     }
 }