init commit.

.editorconfig

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+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = false
+
+[*.{vue,js,scss}]
+charset = utf-8
+indent_style = space
+indent_size = 2
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.md]
+trim_trailing_whitespace = false

.gitattributes

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+* text=auto
+
+/tests export-ignore
+.gitattributes export-ignore
+.gitignore export-ignore
+.scrutinizer.yml export-ignore
+.travis.yml export-ignore
+phpunit.php export-ignore
+phpunit.xml.dist export-ignore
+phpunit.xml export-ignore
+.php_cs export-ignore

.github/FUNDING.yml

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+github: []
+patreon: overtrue
+custom: https://www.easywechat.com/img/pay/wechat.jpg

.gitignore

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+.idea
+*.DS_Store
+/vendor
+/coverage
+/hooks
+sftp-config.json
+composer.lock
+.subsplit
+.php_cs.cache

.php_cs

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+<?php
+
+return PhpCsFixer\Config::create()
+    ->setRules([
+        '@PSR2' => true,
+        'blank_line_after_opening_tag' => true,
+        'braces' => ['allow_single_line_closure' => true],
+        'compact_nullable_typehint' => true,
+        'concat_space' => ['spacing' => 'one'],
+        'declare_equal_normalize' => ['space' => 'none'],
+        'function_typehint_space' => true,
+        'new_with_braces' => true,
+        'method_argument_space' => ['on_multiline' => 'ensure_fully_multiline'],
+        'no_empty_statement' => true,
+        'no_leading_import_slash' => true,
+        'no_leading_namespace_whitespace' => true,
+        'no_whitespace_in_blank_line' => true,
+        'return_type_declaration' => ['space_before' => 'none'],
+        'single_trait_insert_per_statement' => true,
+    ])
+    ->setFinder(
+        PhpCsFixer\Finder::create()
+            ->exclude('vendor')
+            ->in([__DIR__.'/src/'])
+    )
+;

README.md

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+<h1 align="center">Laravel Payable</h1>
+
+<p align="center"> Payment for Laravel</p>
+
+
+## Installing
+
+```shell
+$ composer require overtrue/laravel-payable -vvv
+```
+
+## Usage
+
+TODO
+
+## Contributing
+
+You can contribute in one of three ways:
+
+1. File bug reports using the [issue tracker](https://github.com/vendor/package/issues).
+2. Answer questions or fix bugs on the [issue tracker](https://github.com/vendor/package/issues).
+3. Contribute new features or update the wiki.
+
+_The code contribution process is not very formal. You just need to make sure that you follow the PSR-0, PSR-1, and PSR-2 coding guidelines. Any new code contributions must be accompanied by unit tests where applicable._
+
+## License
+
+MIT

composer.json

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+{
+    "name": "overtrue/laravel-payable",
+    "description": "Payment for laravel.",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "overtrue",
+            "email": "anzhengchao@gmail.com"
+        }
+    ],
+    "require": {
+        "php": ">=7.1.11",
+        "laravel/framework": "^7.1"
+    },
+    "require-dev": {
+        "brainmaestro/composer-git-hooks": "^2.7",
+        "friendsofphp/php-cs-fixer": "^2.15",
+        "mockery/mockery": "^1.0",
+        "phpunit/phpunit": "^8.5"
+    },
+    "autoload": {
+        "psr-4": {
+            "Overtrue\\LaravelPayable\\": "src"
+        }
+    },
+    "extra": {
+        "hooks": {
+            "pre-commit": [
+                "composer test",
+                "composer fix-style"
+            ],
+            "pre-push": [
+                "composer test",
+                "composer check-style"
+            ]
+        }
+    },
+    "scripts": {
+        "post-update-cmd": [
+            "cghooks update"
+        ],
+        "post-merge": "composer install",
+        "post-install-cmd": [
+            "cghooks add --ignore-lock",
+            "cghooks update"
+        ],
+        "cghooks": "vendor/bin/cghooks",
+        "check-style": "php-cs-fixer fix --using-cache=no --diff --config=.php_cs --dry-run --ansi",
+        "fix-style": "php-cs-fixer fix --using-cache=no --config=.php_cs --ansi",
+        "test": "vendor/bin/phpunit"
+    },
+    "scripts-descriptions": {
+        "test": "Run all tests.",
+        "check-style": "Run style checks (only dry run - no fixing!).",
+        "fix-style": "Run style checks and fix violations."
+    }
+}

migrations/2020_04_11_000000_create_payments_table.php

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+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class CreatePaymentsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('payments', function (Blueprint $table) {
+            $table->bigIncrements('id');
+            $table->string('user_id')->index()->nullable();
+            $table->morphs('payable');
+            $table->unsignedDouble('amount', 2)->default(0.00);
+            $table->unsignedDouble('paid_amount')->default(0);
+            $table->string('description');
+            $table->string('transaction_id')->index();
+            $table->string('currency')->index()->default('CNY');
+            $table->string('status')->index()->default('pending')->comment('pending/paid/cancelled/failed');
+            $table->string('gateway')->index();
+            $table->json('gateway_order')->nullable();
+            $table->json('context')->nullable();
+            $table->json('original_result')->nullable();
+            $table->timestamp('paid_at')->nullable();
+            $table->timestamp('expired_at')->nullable();
+            $table->timestamp('failed_at')->nullable();
+            $table->timestamps();
+            $table->softDeletes();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('payments');
+    }
+}

phpunit.xml.dist

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+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit backupGlobals="false"
+         backupStaticAttributes="false"
+         bootstrap="vendor/autoload.php"
+         colors="true"
+         convertErrorsToExceptions="true"
+         convertNoticesToExceptions="true"
+         convertWarningsToExceptions="true"
+         processIsolation="false"
+         stopOnFailure="false">
+    <testsuites>
+        <testsuite name="Application Test Suite">
+            <directory>./tests/</directory>
+        </testsuite>
+    </testsuites>
+    <filter>
+        <whitelist>
+            <directory suffix=".php">src/</directory>
+        </whitelist>
+    </filter>
+</phpunit>

src/Events/PaymentUpdated.php

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+<?php
+
+namespace Overtrue\LaravelPayable\Events;
+
+use Illuminate\Queue\SerializesModels;
+use Illuminate\Foundation\Events\Dispatchable;
+use Illuminate\Broadcasting\InteractsWithSockets;
+use Overtrue\LaravelPayable\Payment;
+
+class PaymentUpdated
+{
+    use Dispatchable;
+    use InteractsWithSockets;
+    use SerializesModels;
+
+    /**
+     * @var \Overtrue\LaravelPayable\Payment
+     */
+    protected $payment;
+
+    /**
+     * @param \Overtrue\LaravelPayable\Payment $payment
+     */
+    public function __construct(Payment $payment)
+    {
+        $this->payment = $payment;
+    }
+}

src/Payable.php

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+<?php
+
+namespace Overtrue\LaravelPayable;
+
+interface Payable
+{
+    public function getPaymentTotal(): int;
+    public function getPaymentDescription(): int;
+    public function getUserId();
+}

src/Payment.php

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+<?php
+
+namespace Overtrue\LaravelPayable;
+
+use Overtrue\LaravelPayable\Events\PaymentUpdated;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\SoftDeletes;
+use Illuminate\Support\Str;
+
+/**
+ * @property int            $id
+ * @property string         $user_id
+ * @property string         $payable_id
+ * @property string         $payable_type
+ * @property double         $amount
+ * @property double         $paid_amount
+ * @property string         $description
+ * @property string         $transaction_id
+ * @property string         $currency
+ * @property string         $status
+ * @property string         $gateway
+ * @property array          $gateway_order
+ * @property array          $context
+ * @property array          $original_result
+ * @property \Carbon\Carbon $paid_at
+ * @property \Carbon\Carbon $expired_at
+ * @property \Carbon\Carbon $failed_at
+ */
+class Payment extends Model
+{
+    use SoftDeletes;
+
+    const STATUS_PENDING = 'pending';
+    const STATUS_PAID = 'paid';
+    const STATUS_CANCELLED = 'cancelled';
+    const STATUS_FAILED = 'failed';
+
+    const STATUSES = [
+        self::STATUS_PENDING => '待支付',
+        self::STATUS_PAID => '已支付',
+        self::STATUS_CANCELLED => '已取消',
+        self::STATUS_FAILED => '已失败',
+    ];
+
+    /**
+     * @var string[]
+     */
+    protected $fillable = [
+        'user_id', 'payable', 'amount', 'paid_amount',
+        'description', 'currency', 'status', 'gateway',
+        'gateway_order', 'context', 'original_result',
+        'paid_at', 'expired_at', 'failed_at',
+    ];
+
+    /**
+     * @var string[]
+     */
+    protected $casts = [
+        'amount' => 'double',
+        'paid_amount' => 'double',
+        'gateway_order' => 'array',
+        'context' => 'array',
+        'original_result' => 'array',
+    ];
+
+    /**
+     * @var string[]
+     */
+    protected $dates = [
+        'paid_at', 'expired_at', 'failed_at',
+    ];
+
+    public static function boot()
+    {
+        parent::boot();
+
+        static::creating(function (Payment $payment) {
+            $payment->status = $payment->status ?: self::STATUS_PENDING;
+            $payment->user_id = $payment->user_id ?: auth()->id();
+            $payment->transaction_id = $payment->transaction_id ?: Str::orderedUuid();
+        });
+
+        static::saved(function (Payment $payment) {
+            \event(new PaymentUpdated($payment));
+        });
+    }
+
+    /**
+     * @return \Illuminate\Database\Eloquent\Relations\MorphTo
+     */
+    public function payable()
+    {
+        return $this->morphTo();
+    }
+}