License::added()

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by Tyler

created 2017-11-15 19:56 UTC

↳ Parent: License

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<?php

namespace Tylercd100\License;

use Illuminate\Database\Eloquent\Model;
use Tylercd100\License\Exceptions\LicenseException;
use Tylercd100\License\Models\License as LicenseModel;
use Tylercd100\License\HasLicenses;

abstract class License
{
    /**
     * Owner of the licenses
     *
     * @var Model
     */
    protected $owner;

    /**
     * The database model for tracking licenses
     *
     * @var LicenseModel
     */
    protected $model;

    /**
     * The default starting amount for the license
     *
     * @var int
     */
    protected $default = 0;

    function __construct(Model $owner)

    {
        if (!in_array(HasLicenses::class, class_uses($owner))) {
            throw new LicenseException("The owner must use the trait: ".HasLicenses::class);
        }

        $this->model = $this->getModel($owner);
        $this->owner = $owner;
    }

    protected function getModel(Model $owner)
    {
        $opts = [
            "owner_type" => get_class($owner),
            "owner_id" => $owner->id,
            "license" => get_class($this),
        ];

        $x = LicenseModel::where($opts)->first();
        
        if (!$x) {
            $opts["quantity"] = $this->default;
            $x = LicenseModel::create($opts);

        }

        return $x;
    }

    public function __toString()
    {
        return $this->name();
    }

    /**
     * Returns the owner of the license
     *
     * @return Model
     */
    public function getOwner()
    {
        return $this->owner;
    }

    /**
     * Throws exception if there are not enough licenses available
     *
     * @param int $quantity
     * @param boolean $add
     * @return void
     */
    final public function allocate($quantity, $add = false)
    {
        $remaining = $this->remaining();
        if ($remaining < $quantity) {
            if(!$add) {
                $this->error($remaining, $quantity);
            } else {
                $this->add($quantity - $remaining);
            }
        }

        $this->success($quantity);
    }
    
    /**
     * Called when there are enough licenses available
     *
     * @param int $quantity
     * @return void
     */
    protected function success($quantity)

    {
        
    }

    /**
     * Called when there are not enough licenses available
     *
     * @param int $remaining
     * @param int $quantity
     * @return void
     */
    protected function error($remaining, $quantity)
    {
        throw new LicenseException($this->message($remaining, $quantity));
    }

    /**
     * Returns the difference between the maximum amount licenses and what you are trying to limit
     *
     * @return int
     */
    public function remaining()
    {
        return max($this->maximum() - $this->used(), 0);
    }

    /**
     * Returns the maximum amount of licenses
     *
     * @return int
     */
    public function maximum()
    {
        return $this->model->quantity;
<?php

/**
 * @property int $x
 * @property int $y
 * @property string $text
 */
class MyLabel
{
    private $properties;

    private $allowedProperties = array('x', 'y', 'text');

    public function __get($name)
    {
        if (isset($properties[$name]) && in_array($name, $this->allowedProperties)) {
            return $properties[$name];
        } else {
            return null;
        }
    }

    public function __set($name, $value)
    {
        if (in_array($name, $this->allowedProperties)) {
            $properties[$name] = $value;
        } else {
            throw new \LogicException("Property $name is not defined.");
        }
    }

}
    }

    /**
     * Returns the human readable error string when there are not enough licenses available.
     *
     * @param int $remaining Number of licenses available.
     * @param int $quantity Number of licenses trying to allocate.
     * @return string
     */
    protected function message($remaining, $quantity)
    {
        return "There are not enough licenses available. Tried to allocate {$quantity} but there are only {$remaining} available.";
    }

    /**
     * Returns human readable string for this license
     *
     * @return string
     */
    abstract public function name();

    /**
     * Returns the current amount of licenses in use
     *
     * @return int
     */
    abstract public function used();

    /**
     * Called before adding to the license count.
     * 
     * @param int $quantity
     * @return void
     */
    abstract protected function adding($quantity);

    /**
     * Called after adding to the license count
     *
     * @param int $quantity
     * @return void
     */
    abstract protected function added($quantity);

    /**
     * Called before subtracting the license count
     *
     * @param int $quantity
     * @return void
     */
    abstract protected function subtracting($quantity);

    /**
     * Called after subtracting the license count
     * 
     * @param int $quantity
     * @return void
     */
    abstract protected function subtracted($quantity);

    /**
     * Add more licenses
     *
     * @param int $quantity
     * @return boolean
     */
    final public function add($quantity = 1)
    {
        if (!is_int($quantity) || $quantity < 0) {
            throw new LicenseException("Quantity must be a positive integer.");
        }

        $this->adding($quantity);

        $this->model->quantity += $quantity;
<?php

/**
 * @property int $x
 * @property int $y
 * @property string $text
 */
class MyLabel
{
    private $properties;

    private $allowedProperties = array('x', 'y', 'text');

    public function __get($name)
    {
        if (isset($properties[$name]) && in_array($name, $this->allowedProperties)) {
            return $properties[$name];
        } else {
            return null;
        }
    }

    public function __set($name, $value)
    {
        if (in_array($name, $this->allowedProperties)) {
            $properties[$name] = $value;
        } else {
            throw new \LogicException("Property $name is not defined.");
        }
    }

}
        $this->model->save();

        $this->added($quantity);
        
        return true;
    }

    /**
     * Subtract licenses
     *
     * @param int $quantity
     * @return boolean
     */
    final public function sub($quantity = 1)
    {
        if (!is_int($quantity) || $quantity < 0) {
            throw new LicenseException("Quantity must be a positive integer.");
        }

        if ($this->model->quantity - $quantity < 0) {
<?php

/**
 * @property int $x
 * @property int $y
 * @property string $text
 */
class MyLabel
{
    private $properties;

    private $allowedProperties = array('x', 'y', 'text');

    public function __get($name)
    {
        if (isset($properties[$name]) && in_array($name, $this->allowedProperties)) {
            return $properties[$name];
        } else {
            return null;
        }
    }

    public function __set($name, $value)
    {
        if (in_array($name, $this->allowedProperties)) {
            $properties[$name] = $value;
        } else {
            throw new \LogicException("Property $name is not defined.");
        }
    }

}
            throw new LicenseException("You cannot remove more licenses than you have available.");
        }

        $this->subtracting($quantity);

        $this->model->quantity -= $quantity;
<?php

/**
 * @property int $x
 * @property int $y
 * @property string $text
 */
class MyLabel
{
    private $properties;

    private $allowedProperties = array('x', 'y', 'text');

    public function __get($name)
    {
        if (isset($properties[$name]) && in_array($name, $this->allowedProperties)) {
            return $properties[$name];
        } else {
            return null;
        }
    }

    public function __set($name, $value)
    {
        if (in_array($name, $this->allowedProperties)) {
            $properties[$name] = $value;
        } else {
            throw new \LogicException("Property $name is not defined.");
        }
    }

}
        $this->model->save();

        $this->subtracted($quantity);
        
        return true;
    }

    /**
     * Set the amount of licenses
     *
     * @param int $quantity
     * @return boolean
     */
    final public function set($quantity)
    {
        if (!is_int($quantity) || $quantity < 0) {
            throw new LicenseException("Quantity must be a positive integer.");
        }

        $difference = $quantity - $this->maximum();

        if ($difference < 0) {
            return $this->sub(abs($difference));
        } else {
            return $this->add($difference);
        }
    }
}


1			<?php
2
3			namespace Tylercd100\License;
4
5			use Illuminate\Database\Eloquent\Model;
6			use Tylercd100\License\Exceptions\LicenseException;
7			use Tylercd100\License\Models\License as LicenseModel;
8			use Tylercd100\License\HasLicenses;
9
10			abstract class License
11			{
12			/**
13			* Owner of the licenses
14			*
15			* @var Model
16			*/
17			protected $owner;
18
19			/**
20			* The database model for tracking licenses
21			*
22			* @var LicenseModel
23			*/
24			protected $model;
25
26			/**
27			* The default starting amount for the license
28			*
29			* @var int
30			*/
31			protected $default = 0;
32
33			function __construct(Model $owner)
			0 ignored issues – show Best Practice introduced 2017-09-15 22:39 UTC by Report Bug Copy Issue Report It is generally recommended to explicitly declare the visibility for methods. Adding explicit visibility (`private`, `protected`, or `public`) is generally recommend to communicate to other developers how, and from where this method is intended to be used. Loading history...
34			{
35			if (!in_array(HasLicenses::class, class_uses($owner))) {
36			throw new LicenseException("The owner must use the trait: ".HasLicenses::class);
37			}
38
39			$this->model = $this->getModel($owner);
40			$this->owner = $owner;
41			}
42
43			protected function getModel(Model $owner)
44			{
45			$opts = [
46			"owner_type" => get_class($owner),
47			"owner_id" => $owner->id,
48			"license" => get_class($this),
49			];
50
51			$x = LicenseModel::where($opts)->first();
52
53			if (!$x) {
54			$opts["quantity"] = $this->default;
55			$x = LicenseModel::create($opts);
			0 ignored issues – show Bug introduced 2017-09-18 23:06 UTC by Report Bug Copy Issue Report The method `create()` does not exist on `Tylercd100\License\Models\License`. Did you maybe mean `created()`? This check marks calls to methods that do not seem to exist on an object. This is most likely the result of a method being renamed without all references to it being renamed likewise. Loading history...
56			}
57
58			return $x;
59			}
60
61			public function __toString()
62			{
63			return $this->name();
64			}
65
66			/**
67			* Returns the owner of the license
68			*
69			* @return Model
70			*/
71			public function getOwner()
72			{
73			return $this->owner;
74			}
75
76			/**
77			* Throws exception if there are not enough licenses available
78			*
79			* @param int $quantity
80			* @param boolean $add
81			* @return void
82			*/
83			final public function allocate($quantity, $add = false)
84			{
85			$remaining = $this->remaining();
86			if ($remaining < $quantity) {
87			if(!$add) {
88			$this->error($remaining, $quantity);
89			} else {
90			$this->add($quantity - $remaining);
91			}
92			}
93
94			$this->success($quantity);
95			}
96
97			/**
98			* Called when there are enough licenses available
99			*
100			* @param int $quantity
101			* @return void
102			*/
103			protected function success($quantity)
			0 ignored issues – show Unused Code introduced 2017-09-18 18:37 UTC by Report Bug Copy Issue Report The parameter `$quantity` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history...
104			{
105
106			}
107
108			/**
109			* Called when there are not enough licenses available
110			*
111			* @param int $remaining
112			* @param int $quantity
113			* @return void
114			*/
115			protected function error($remaining, $quantity)
116			{
117			throw new LicenseException($this->message($remaining, $quantity));
118			}
119
120			/**
121			* Returns the difference between the maximum amount licenses and what you are trying to limit
122			*
123			* @return int
124			*/
125			public function remaining()
126			{
127			return max($this->maximum() - $this->used(), 0);
128			}
129
130			/**
131			* Returns the maximum amount of licenses
132			*
133			* @return int
134			*/
135			public function maximum()
136			{
137			return $this->model->quantity;
			0 ignored issues – show Documentation introduced 2017-09-15 22:39 UTC by Report Bug Copy Issue Report The property `quantity` does not exist on `object<Tylercd100\License\Models\License>`. Since you implemented `__get`, maybe consider adding a @property annotation. Since your code implements the magic getter `_get`, this function will be called for any read access on an undefined variable. You can add the `@property` annotation to your class or interface to document the existence of this variable. <?php /** * @property int $x * @property int $y * @property string $text */ class MyLabel { private $properties; private $allowedProperties = array('x', 'y', 'text'); public function __get($name) { if (isset($properties[$name]) && in_array($name, $this->allowedProperties)) { return $properties[$name]; } else { return null; } } public function __set($name, $value) { if (in_array($name, $this->allowedProperties)) { $properties[$name] = $value; } else { throw new \LogicException("Property $name is not defined."); } } } If the property has read access only, you can use the @property-read annotation instead. Of course, you may also just have mistyped another name, in which case you should fix the error. See also the PhpDoc documentation for @property. Loading history...
138			}
139
140			/**
141			* Returns the human readable error string when there are not enough licenses available.
142			*
143			* @param int $remaining Number of licenses available.
144			* @param int $quantity Number of licenses trying to allocate.
145			* @return string
146			*/
147			protected function message($remaining, $quantity)
148			{
149			return "There are not enough licenses available. Tried to allocate {$quantity} but there are only {$remaining} available.";
150			}
151
152			/**
153			* Returns human readable string for this license
154			*
155			* @return string
156			*/
157			abstract public function name();
158
159			/**
160			* Returns the current amount of licenses in use
161			*
162			* @return int
163			*/
164			abstract public function used();
165
166			/**
167			* Called before adding to the license count.
168			*
169			* @param int $quantity
170			* @return void
171			*/
172			abstract protected function adding($quantity);
173
174			/**
175			* Called after adding to the license count
176			*
177			* @param int $quantity
178			* @return void
179			*/
180			abstract protected function added($quantity);
181
182			/**
183			* Called before subtracting the license count
184			*
185			* @param int $quantity
186			* @return void
187			*/
188			abstract protected function subtracting($quantity);
189
190			/**
191			* Called after subtracting the license count
192			*
193			* @param int $quantity
194			* @return void
195			*/
196			abstract protected function subtracted($quantity);
197
198			/**
199			* Add more licenses
200			*
201			* @param int $quantity
202			* @return boolean
203			*/
204			final public function add($quantity = 1)
205			{
206			if (!is_int($quantity) \|\| $quantity < 0) {
207			throw new LicenseException("Quantity must be a positive integer.");
208			}
209
210			$this->adding($quantity);
211
212			$this->model->quantity += $quantity;
			0 ignored issues – show Documentation introduced 2017-09-15 22:39 UTC by Report Bug Copy Issue Report The property `quantity` does not exist on `object<Tylercd100\License\Models\License>`. Since you implemented `__set`, maybe consider adding a @property annotation. Since your code implements the magic setter `_set`, this function will be called for any write access on an undefined variable. You can add the `@property` annotation to your class or interface to document the existence of this variable. <?php /** * @property int $x * @property int $y * @property string $text */ class MyLabel { private $properties; private $allowedProperties = array('x', 'y', 'text'); public function __get($name) { if (isset($properties[$name]) && in_array($name, $this->allowedProperties)) { return $properties[$name]; } else { return null; } } public function __set($name, $value) { if (in_array($name, $this->allowedProperties)) { $properties[$name] = $value; } else { throw new \LogicException("Property $name is not defined."); } } } Since the property has write access only, you can use the @property-write annotation instead. Of course, you may also just have mistyped another name, in which case you should fix the error. See also the PhpDoc documentation for @property. Loading history...
213			$this->model->save();
214
215			$this->added($quantity);
216
217			return true;
218			}
219
220			/**
221			* Subtract licenses
222			*
223			* @param int $quantity
224			* @return boolean
225			*/
226			final public function sub($quantity = 1)
227			{
228			if (!is_int($quantity) \|\| $quantity < 0) {
229			throw new LicenseException("Quantity must be a positive integer.");
230			}
231
232			if ($this->model->quantity - $quantity < 0) {
			0 ignored issues – show Documentation introduced 2017-09-15 22:39 UTC by Report Bug Copy Issue Report The property `quantity` does not exist on `object<Tylercd100\License\Models\License>`. Since you implemented `__get`, maybe consider adding a @property annotation. Since your code implements the magic getter `_get`, this function will be called for any read access on an undefined variable. You can add the `@property` annotation to your class or interface to document the existence of this variable. <?php /** * @property int $x * @property int $y * @property string $text */ class MyLabel { private $properties; private $allowedProperties = array('x', 'y', 'text'); public function __get($name) { if (isset($properties[$name]) && in_array($name, $this->allowedProperties)) { return $properties[$name]; } else { return null; } } public function __set($name, $value) { if (in_array($name, $this->allowedProperties)) { $properties[$name] = $value; } else { throw new \LogicException("Property $name is not defined."); } } } If the property has read access only, you can use the @property-read annotation instead. Of course, you may also just have mistyped another name, in which case you should fix the error. See also the PhpDoc documentation for @property. Loading history...
233			throw new LicenseException("You cannot remove more licenses than you have available.");
234			}
235
236			$this->subtracting($quantity);
237
238			$this->model->quantity -= $quantity;
			0 ignored issues – show Documentation introduced 2017-09-15 22:39 UTC by Report Bug Copy Issue Report The property `quantity` does not exist on `object<Tylercd100\License\Models\License>`. Since you implemented `__set`, maybe consider adding a @property annotation. Since your code implements the magic setter `_set`, this function will be called for any write access on an undefined variable. You can add the `@property` annotation to your class or interface to document the existence of this variable. <?php /** * @property int $x * @property int $y * @property string $text */ class MyLabel { private $properties; private $allowedProperties = array('x', 'y', 'text'); public function __get($name) { if (isset($properties[$name]) && in_array($name, $this->allowedProperties)) { return $properties[$name]; } else { return null; } } public function __set($name, $value) { if (in_array($name, $this->allowedProperties)) { $properties[$name] = $value; } else { throw new \LogicException("Property $name is not defined."); } } } Since the property has write access only, you can use the @property-write annotation instead. Of course, you may also just have mistyped another name, in which case you should fix the error. See also the PhpDoc documentation for @property. Loading history...
239			$this->model->save();
240
241			$this->subtracted($quantity);
242
243			return true;
244			}
245
246			/**
247			* Set the amount of licenses
248			*
249			* @param int $quantity
250			* @return boolean
251			*/
252			final public function set($quantity)
253			{
254			if (!is_int($quantity) \|\| $quantity < 0) {
255			throw new LicenseException("Quantity must be a positive integer.");
256			}
257
258			$difference = $quantity - $this->maximum();
259
260			if ($difference < 0) {
261			return $this->sub(abs($difference));
262			} else {
263			return $this->add($difference);
264			}
265			}
266			}
267

tylercd100 / laravel-licenser

Push — master ( e8f84b...de41c5 )

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