FieldResolver::resolve() - Code Metrics - Inspection of "Daily Inspection: Merge pull request #1874 from ev..." - eventespresso/event-espresso-core - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Branch — EDTR/master (bb716e)

unknown

created 2019-11-21 21:03 UTC

FieldResolver::resolve() C

↳ Parent: FieldResolver

Complexity

Conditions	12
Paths	22

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	12
nc	22
nop	4
dl	0
loc	36
rs	6.9666
c	0
b	0
f	0

How to fix Complexity

<?php

namespace EventEspresso\core\domain\services\graphql\resolvers;

use EE_Attendee;
use EE_Base_Class;
use EE_Event;
use EE_Venue;
use EE_Datetime;
use EE_Ticket;
use EE_State;
use EEM_State;
use EE_Country;
use EEM_Country;
use EE_Error;
use EventEspresso\core\exceptions\InvalidDataTypeException;
use EventEspresso\core\exceptions\InvalidInterfaceException;
use EventEspresso\core\exceptions\UnexpectedEntityException;
use EventEspresso\core\services\graphql\resolvers\ResolverBase;
use EventEspresso\core\services\graphql\fields\GraphQLField;
use Exception;
use InvalidArgumentException;
use ReflectionException;
use WPGraphQL\Data\DataSource;
use GraphQL\Deferred;
use GraphQL\Error\UserError;
use GraphQL\Type\Definition\ResolveInfo;
use GraphQLRelay\Relay;
use WPGraphQL\AppContext;

/**
 * Class FieldResolver
 * Field resolver for a GraphQL type
 *
 * @package EventEspresso\core\domain\services\graphql\resolvers
 * @author  Manzoor Wani
 * @since   $VID:$
 */
class FieldResolver extends ResolverBase
{

    /**
     * @var mixed $model
     */
    protected $model;

    /**
     * @var array $fields .
     */
    protected $fields;


    /**
     * FieldResolver constructor.
     *
     * @param mixed $model  The model instance.
     * @param array $fields The fields registered for the type.
     */
    public function __construct($model, array $fields)
    {
        $this->model = $model;
        $this->fields = $fields;
    }


    /**
     * @param mixed       $source  The source that's passed down the GraphQL queries
     * @param array       $args    The inputArgs on the field
     * @param AppContext  $context The AppContext passed down the GraphQL tree
     * @param ResolveInfo $info    The ResolveInfo passed down the GraphQL tree
     * @return string
     * @throws EE_Error
     * @throws Exception
     * @throws InvalidArgumentException
     * @throws InvalidDataTypeException
     * @throws InvalidInterfaceException
     * @throws ReflectionException
     * @throws UserError
     * @throws UnexpectedEntityException
     * @since $VID:$
     */
    public function resolve($source, array $args, AppContext $context, ResolveInfo $info)
    {
        $fieldName = $info->fieldName;
        $field = isset($this->fields[ $fieldName ]) ? $this->fields[ $fieldName ] : null;
        // Field should exist in teh registered fields
        if ($field instanceof GraphQLField) {
            // check if the field should be resolved.
            if (! $field->shouldResolve()) {
                return null;
            }
            // Give priority to the internal resolver.
            if ($field->hasInternalResolver()) {
                return $field->resolve($source, $args, $context, $info);
            }
            // Check if the field has a key mapped to model.
            if (! empty($field->key())) {
                $value = $source->{$field->key()}();
                return $field->mayBeFormatValue($value);
            }
            switch ($fieldName) {
                case 'id': // the global ID
                    return $this->resolveId($source);
                case 'parent':
                    return $this->resolveParent($source);
                case 'event':
                    return $this->resolveEvent($source, $args, $context);
                case 'wpUser':
                    return $this->resolveWpUser($source, $args, $context);
                case 'state': // Venue
                    return $this->resolveState($source);
                case 'country': // State, Venue
                    return $this->resolveCountry($source);
            }
        }
        return null;
    }


    /**
     * Resolve the global ID
     *
     * @param mixed     $source
     * @return string|null
     * @throws Exception
     * @since $VID:$
     */
    public function resolveId($source)
    {
        $ID = $source instanceof EE_Base_Class ? $source->ID() : 0;

        return $ID ? Relay::toGlobalId($this->model->item_name(), $ID) : null;
    }


    /**
     * @param mixed     $source
     * @param           $args
     * @param           $context
     * @return Deferred|null
     * @throws Exception
     * @since $VID:$
     */
    public function resolveWpUser($source, $args, $context)
    {
        $user_id = $source->wp_user();
        return $user_id
            ? DataSource::resolve_user($user_id, $context)
            : null;
    }


    /**
     * @param mixed $source
     * @return EE_Base_Class|null
     * @throws EE_Error
     * @throws InvalidArgumentException
     * @throws InvalidDataTypeException
     * @throws InvalidInterfaceException
     * @throws ReflectionException
     * @since $VID:$
     */
    public function resolveParent($source)
    {
        return $this->model->get_one_by_ID($source->parent());
    }


    /**
     * @param mixed       $source
     * @param             $args
     * @param             $context
     * @return Deferred|null
     * @throws EE_Error
     * @throws InvalidArgumentException
     * @throws InvalidDataTypeException
     * @throws InvalidInterfaceException
     * @throws ReflectionException
     * @throws UserError
     * @throws UnexpectedEntityException
     * @since $VID:$
     */
    public function resolveEvent($source, $args, $context)
    {
        switch (true) {
            case $source instanceof EE_Datetime:
                $event = $source->event();
                break;
            case $source instanceof EE_Venue:
            case $source instanceof EE_Ticket:
                $event = $source->get_related_event();
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}
                break;
            default:
                $event = null;
                break;
        }
        return $event instanceof EE_Event
            ? DataSource::resolve_post_object($event->ID(), $context)
            : null;
    }


    /**
     * @param mixed $source The source instance.
     * @return EE_Base_Class|null
     * @throws EE_Error
     * @throws InvalidArgumentException
     * @throws InvalidDataTypeException
     * @throws InvalidInterfaceException
     * @since $VID:$
     */
    public function resolveState($source)
    {
        switch (true) {
            case $source instanceof EE_Attendee:
            case $source instanceof EE_Venue:
                $state_id = $source->state_ID();
                break;
            default:
                $state_id = null;
                break;
        }
        return $state_id
            ? EEM_State::instance()->get_one_by_ID($state_id)
            : null;
    }


    /**
     * @param mixed $source The source instance.
     * @return EE_Base_Class|null
     * @throws EE_Error
     * @throws InvalidArgumentException
     * @throws InvalidDataTypeException
     * @throws InvalidInterfaceException
     * @since $VID:$
     */
    public function resolveCountry($source)
    {
        switch (true) {
            case $source instanceof EE_State:
                $country_iso = $source->country_iso();
                break;
            case $source instanceof EE_Venue:
                $country_iso = $source->country_ID();
                break;
            default:
                $country_iso = null;
                break;
        }

        return $country_iso
            ? EEM_Country::instance()->get_one_by_ID($country_iso)
            : null;
    }
}


Branch — EDTR/master (bb716e)

FieldResolver::resolve() C

Complexity

Size

Duplication

Importance

How to fix Complexity

Long Method

Available Fixes

1		<?php
2
3		namespace EventEspresso\core\domain\services\graphql\resolvers;
4
5		use EE_Attendee;
6		use EE_Base_Class;
7		use EE_Event;
8		use EE_Venue;
9		use EE_Datetime;
10		use EE_Ticket;
11		use EE_State;
12		use EEM_State;
13		use EE_Country;
14		use EEM_Country;
15		use EE_Error;
16		use EventEspresso\core\exceptions\InvalidDataTypeException;
17		use EventEspresso\core\exceptions\InvalidInterfaceException;
18		use EventEspresso\core\exceptions\UnexpectedEntityException;
19		use EventEspresso\core\services\graphql\resolvers\ResolverBase;
20		use EventEspresso\core\services\graphql\fields\GraphQLField;
21		use Exception;
22		use InvalidArgumentException;
23		use ReflectionException;
24		use WPGraphQL\Data\DataSource;
25		use GraphQL\Deferred;
26		use GraphQL\Error\UserError;
27		use GraphQL\Type\Definition\ResolveInfo;
28		use GraphQLRelay\Relay;
29		use WPGraphQL\AppContext;
30
31		/**
32		* Class FieldResolver
33		* Field resolver for a GraphQL type
34		*
35		* @package EventEspresso\core\domain\services\graphql\resolvers
36		* @author Manzoor Wani
37		* @since $VID:$
38		*/
39		class FieldResolver extends ResolverBase
40		{
41
42		/**
43		* @var mixed $model
44		*/
45		protected $model;
46
47		/**
48		* @var array $fields .
49		*/
50		protected $fields;
51
52
53		/**
54		* FieldResolver constructor.
55		*
56		* @param mixed $model The model instance.
57		* @param array $fields The fields registered for the type.
58		*/
59		public function __construct($model, array $fields)
60		{
61		$this->model = $model;
62		$this->fields = $fields;
63		}
64
65
66		/**
67		* @param mixed $source The source that's passed down the GraphQL queries
68		* @param array $args The inputArgs on the field
69		* @param AppContext $context The AppContext passed down the GraphQL tree
70		* @param ResolveInfo $info The ResolveInfo passed down the GraphQL tree
71		* @return string
72		* @throws EE_Error
73		* @throws Exception
74		* @throws InvalidArgumentException
75		* @throws InvalidDataTypeException
76		* @throws InvalidInterfaceException
77		* @throws ReflectionException
78		* @throws UserError
79		* @throws UnexpectedEntityException
80		* @since $VID:$
81		*/
82		public function resolve($source, array $args, AppContext $context, ResolveInfo $info)
83		{
84		$fieldName = $info->fieldName;
85		$field = isset($this->fields[ $fieldName ]) ? $this->fields[ $fieldName ] : null;
86		// Field should exist in teh registered fields
87		if ($field instanceof GraphQLField) {
88		// check if the field should be resolved.
89		if (! $field->shouldResolve()) {
90		return null;
91		}
92		// Give priority to the internal resolver.
93		if ($field->hasInternalResolver()) {
94		return $field->resolve($source, $args, $context, $info);
95		}
96		// Check if the field has a key mapped to model.
97		if (! empty($field->key())) {
98		$value = $source->{$field->key()}();
99		return $field->mayBeFormatValue($value);
100		}
101		switch ($fieldName) {
102		case 'id': // the global ID
103		return $this->resolveId($source);
104		case 'parent':
105		return $this->resolveParent($source);
106		case 'event':
107		return $this->resolveEvent($source, $args, $context);
108		case 'wpUser':
109		return $this->resolveWpUser($source, $args, $context);
110		case 'state': // Venue
111		return $this->resolveState($source);
112		case 'country': // State, Venue
113		return $this->resolveCountry($source);
114		}
115		}
116		return null;
117		}
118
119
120		/**
121		* Resolve the global ID
122		*
123		* @param mixed $source
124		* @return string\|null
125		* @throws Exception
126		* @since $VID:$
127		*/
128		public function resolveId($source)
129		{
130		$ID = $source instanceof EE_Base_Class ? $source->ID() : 0;
131
132		return $ID ? Relay::toGlobalId($this->model->item_name(), $ID) : null;
133		}
134
135
136		/**
137		* @param mixed $source
138		* @param $args
139		* @param $context
140		* @return Deferred\|null
141		* @throws Exception
142		* @since $VID:$
143		*/
144		public function resolveWpUser($source, $args, $context)
145		{
146		$user_id = $source->wp_user();
147		return $user_id
148		? DataSource::resolve_user($user_id, $context)
149		: null;
150		}
151
152
153		/**
154		* @param mixed $source
155		* @return EE_Base_Class\|null
156		* @throws EE_Error
157		* @throws InvalidArgumentException
158		* @throws InvalidDataTypeException
159		* @throws InvalidInterfaceException
160		* @throws ReflectionException
161		* @since $VID:$
162		*/
163		public function resolveParent($source)
164		{
165		return $this->model->get_one_by_ID($source->parent());
166		}
167
168
169		/**
170		* @param mixed $source
171		* @param $args
172		* @param $context
173		* @return Deferred\|null
174		* @throws EE_Error
175		* @throws InvalidArgumentException
176		* @throws InvalidDataTypeException
177		* @throws InvalidInterfaceException
178		* @throws ReflectionException
179		* @throws UserError
180		* @throws UnexpectedEntityException
181		* @since $VID:$
182		*/
183		public function resolveEvent($source, $args, $context)
184		{
185		switch (true) {
186		case $source instanceof EE_Datetime:
187		$event = $source->event();
188		break;
189		case $source instanceof EE_Venue:
190		case $source instanceof EE_Ticket:
191		$event = $source->get_related_event();
		0 ignored issues – show Bug introduced 2019-10-17 21:40 UTC by Report Bug Copy Issue Report The method `get_related_event` does only exist in `EE_Ticket`, but not in `EE_Venue`. It seems like the method you are trying to call exists only in some of the possible types. Let’s take a look at an example: class A { public function foo() { } } class B extends A { public function bar() { } } /** * @param A\|B $x / function someFunction($x) { $x->foo(); // This call is fine as the method exists in A and B. $x->bar(); // This method only exists in B and might cause an error. } Available Fixes Add an additional type-check: /* * @param A\|B $x / function someFunction($x) { $x->foo(); if ($x instanceof B) { $x->bar(); } } Only allow a single type to be passed if the variable comes from a parameter: function someFunction(B $x) { /* ... */ } Loading history...
192		break;
193		default:
194		$event = null;
195		break;
196		}
197		return $event instanceof EE_Event
198		? DataSource::resolve_post_object($event->ID(), $context)
199		: null;
200		}
201
202
203		/**
204		* @param mixed $source The source instance.
205		* @return EE_Base_Class\|null
206		* @throws EE_Error
207		* @throws InvalidArgumentException
208		* @throws InvalidDataTypeException
209		* @throws InvalidInterfaceException
210		* @since $VID:$
211		*/
212	View Code Duplication	public function resolveState($source)
213		{
214		switch (true) {
215		case $source instanceof EE_Attendee:
216		case $source instanceof EE_Venue:
217		$state_id = $source->state_ID();
218		break;
219		default:
220		$state_id = null;
221		break;
222		}
223		return $state_id
224		? EEM_State::instance()->get_one_by_ID($state_id)
225		: null;
226		}
227
228
229		/**
230		* @param mixed $source The source instance.
231		* @return EE_Base_Class\|null
232		* @throws EE_Error
233		* @throws InvalidArgumentException
234		* @throws InvalidDataTypeException
235		* @throws InvalidInterfaceException
236		* @since $VID:$
237		*/
238	View Code Duplication	public function resolveCountry($source)
239		{
240		switch (true) {
241		case $source instanceof EE_State:
242		$country_iso = $source->country_iso();
243		break;
244		case $source instanceof EE_Venue:
245		$country_iso = $source->country_ID();
246		break;
247		default:
248		$country_iso = null;
249		break;
250		}
251
252		return $country_iso
253		? EEM_Country::instance()->get_one_by_ID($country_iso)
254		: null;
255		}
256		}
257

eventespresso / event-espresso-core

Branch — EDTR/master (bb716e)

FieldResolver::resolve() C

Complexity

Size

Duplication

Importance

How to fix Complexity

Long Method

Available Fixes

Duplication Side-by-Side

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