MetadataTrait::getConnectionName()

Test Setup Failed

Pull Request — master (#46)

by Alex

created 2017-05-20 08:40 UTC

↳ Parent: MetadataTrait

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<?php
namespace AlgoWeb\PODataLaravel\Models;

use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\Relations\MorphMany;
use Illuminate\Database\Eloquent\Relations\MorphOne;
use Illuminate\Database\Eloquent\Relations\MorphToMany;
use Illuminate\Support\Facades\App as App;
use Illuminate\Database\Eloquent\Relations\Relation;
use POData\Providers\Metadata\ResourceStreamInfo;
use POData\Providers\Metadata\Type\EdmPrimitiveType;
use Illuminate\Database\Eloquent\Model;

trait MetadataTrait
{
    /*
     * Array to record mapping between doctrine types and OData types
     */
    protected $mapping = [
        'integer' => EdmPrimitiveType::INT32,
        'string' => EdmPrimitiveType::STRING,
        'datetime' => EdmPrimitiveType::DATETIME,
        'float' => EdmPrimitiveType::SINGLE,
        'decimal' => EdmPrimitiveType::DECIMAL,
        'text' => EdmPrimitiveType::STRING,
        'boolean' => EdmPrimitiveType::BOOLEAN,
        'blob' => "stream"
    ];

    /*
     * Retrieve and assemble this model's metadata for OData packaging
     */
    public function metadata()
    {
        assert($this instanceof Model, get_class($this));

        // Break these out separately to enable separate reuse
        $connect = $this->getConnection();
        $builder = $connect->getSchemaBuilder();

        $table = $this->getTable();

        if (!$builder->hasTable($table)) {
            return [];
        }

        $columns = $builder->getColumnListing($table);
        $mask = $this->metadataMask();
        $columns = array_intersect($columns, $mask);

        $tableData = [];

        $rawFoo = $connect->getDoctrineSchemaManager()->listTableColumns($table);
        $foo = [];
        $getters = $this->collectGetters();

        foreach ($rawFoo as $key => $val) {
            // Work around glitch in Doctrine when reading from MariaDB which added ` characters to root key value
            $key = trim($key, '`');
            $foo[$key] = $val;
        }

        foreach ($columns as $column) {
            // Doctrine schema manager returns columns with lowercased names
            $rawColumn = $foo[strtolower($column)];
            $nullable = !($rawColumn->getNotNull());
            $fillable = in_array($column, $this->getFillable());
            $rawType = $rawColumn->getType();
            $type = $rawType->getName();
            $tableData[$column] = ['type' => $type, 'nullable' => $nullable, 'fillable' => $fillable];
        }

        foreach ($getters as $get) {
            $tableData[$get] = ['type' => 'text', 'nullable' => false, 'fillable' => false];
        }

        return $tableData;
    }

    /*
     * Return the set of fields that are permitted to be in metadata
     * - following same visible-trumps-hidden guideline as Laravel
     */
    public function metadataMask()
    {
        $attribs = array_keys($this->getAllAttributes());

        $visible = $this->getVisible();
        $hidden = $this->getHidden();
        if (0 < count($visible)) {
            assert(!empty($visible));
            $attribs = array_intersect($visible, $attribs);
        } elseif (0 < count($hidden)) {
            assert(!empty($hidden));
            $attribs = array_diff($attribs, $hidden);
        }

        return $attribs;
    }

    /*
     * Get the endpoint name being exposed
     *
     */
    public function getEndpointName()
    {
        $endpoint = isset($this->endpoint) ? $this->endpoint : null;

        if (!isset($endpoint)) {
            $bitter = get_class();
            $name = substr($bitter, strrpos($bitter, '\\')+1);
            return strtolower($name);
        }
        return strtolower($endpoint);
    }

    /*
     * Assemble this model's OData metadata as xml schema
     */
    public function getXmlSchema($MetaNamespace = "Data")
    {
        $raw = $this->metadata();
        if ([] == $raw) {
            return null;
        }

        $metadata = App::make('metadata');

        $rf = new \ReflectionClass(get_class($this));
        $complex = $metadata->addEntityType($rf, $rf->getShortName(), $MetaNamespace);
        $keyName = $this->getKeyName();
        if (null != $keyName) {
            $metadata->addKeyProperty($complex, $keyName, $this->mapping[$raw[$keyName]['type']]);
        }

        foreach ($raw as $key => $secret) {
            if ($key == $keyName) {
                continue;
            }
            if ($secret['type'] == "blob") {
                $complex->setMediaLinkEntry(true);
                $streamInfo = new ResourceStreamInfo($key);
                assert($complex->isMediaLinkEntry());
                $complex->addNamedStream($streamInfo);
                continue;
            }
            $metadata->addPrimitiveProperty($complex, $key, $this->mapping[$secret['type']]); // tag as isBag?
        }

        return $complex;
    }

    public function hookUpRelationships($entityTypes, $resourceSets)
    {
        assert(is_array($entityTypes) && is_array($resourceSets), "Both entityTypes and resourceSets must be arrays");
        $metadata = App::make('metadata');
        $rel = $this->getRelationshipsFromMethods();
        $thisClass = get_class($this);
        $thisInTypes = array_key_exists($thisClass, $entityTypes);
        $thisInSets = array_key_exists($thisClass, $resourceSets);

        if (!($thisInSets && $thisInTypes)) {
            return $rel;
        }

        $resourceType = $entityTypes[$thisClass];
        // if $r is in $combined keys, then its in keyspaces of both $entityTypes and $resourceSets
        $combinedKeys = array_intersect(array_keys($entityTypes), array_keys($resourceSets));
        foreach ($rel["HasOne"] as $n => $r) {
            $r = trim($r, '\\');
            if (in_array($r, $combinedKeys)) {
                $targResourceSet = $resourceSets[$r];
                $metadata->addResourceReferenceProperty($resourceType, $n, $targResourceSet);
            }
        }
        foreach ($rel["HasMany"] as $n => $r) {

            $r = trim($r, '\\');
            if (in_array($r, $combinedKeys)) {
                $targResourceSet = $resourceSets[$r];
                $metadata->addResourceSetReferenceProperty($resourceType, $n, $targResourceSet);
            }
        }
        return $rel;
    }

    public function getRelationships()
    {
        $hooks = [];

        $rels = $this->getRelationshipsFromMethods(true);

        foreach ($rels['UnknownPolyMorphSide'] as $property => $foo) {
            $isMany = $foo instanceof MorphToMany;
            $targ = get_class($foo->getRelated());
            $mult = $isMany ? '*' : '1';

            if ($isMany) {
                list($fkMethodName, $rkMethodName) = $this->polyglotKeyMethodNames($foo);
            }

            $keyRaw = $isMany ? $foo->$fkMethodName() : $foo->getForeignKey();
            $keySegments = explode('.', $keyRaw);
            $keyName = $keySegments[count($keySegments) - 1];
            $localRaw = $isMany ? $foo->$rkMethodName() : $foo->getQualifiedParentKeyName();
            $localSegments = explode('.', $localRaw);
            $localName = $localSegments[count($localSegments) - 1];

            $first = $keyName;
            $last = $localName;
            if (!isset($hooks[$first])) {
                $hooks[$first] = [];
            }
            $hooks[$first][$targ] = [
                'property' => $property,
                'local' => $last,
                'multiplicity' => $mult
            ];
        }

        foreach ($rels['KnownPolyMorphSide'] as $property => $foo) {
            $isMany = $foo instanceof MorphToMany;
            $targ = get_class($foo->getRelated());
            $mult = $isMany ? '*' : $foo instanceof MorphMany ? '*' : '1';
            $mult = $foo instanceof MorphOne ? '0..1' : $mult;

            if ($isMany) {
                list($fkMethodName, $rkMethodName) = $this->polyglotKeyMethodNames($foo);
            }

            $keyRaw = $isMany ? $foo->$fkMethodName() : $foo->getForeignKeyName();
            $keySegments = explode('.', $keyRaw);
            $keyName = $keySegments[count($keySegments) - 1];
            $localRaw = $isMany ? $foo->$rkMethodName() : $foo->getQualifiedParentKeyName();
            $localSegments = explode('.', $localRaw);
            $localName = $localSegments[count($localSegments) - 1];
            $first = $isMany ? $keyName : $localName;
            $last = $isMany ? $localName : $keyName;
            if (!isset($hooks[$first])) {
                $hooks[$first] = [];
            }
            $hooks[$first][$targ] = [
                'property' => $property,
                'local' => $last,
                'multiplicity' => $mult
            ];
        }

        foreach ($rels['HasOne'] as $property => $foo) {
            if ($foo instanceof MorphOne) {
                continue;
            }
            $isBelong = $foo instanceof BelongsTo;
            $mult = $isBelong ? '1' : '0..1';
            $targ = get_class($foo->getRelated());
            $keyName = $isBelong ? $foo->getForeignKey() : $foo->getForeignKeyName();
            $localRaw = $isBelong ? $foo->getOwnerKey() : $foo->getQualifiedParentKeyName();
            $localSegments = explode('.', $localRaw);
            $localName = $localSegments[count($localSegments) - 1];
            $first = $isBelong ? $localName : $keyName;
            $last = $isBelong ? $keyName : $localName;
            if (!isset($hooks[$first])) {
                $hooks[$first] = [];
            }
            $hooks[$first][$targ] = [
                'property' => $property,
                'local' => $last,
                'multiplicity' => $mult
            ];
        }
        foreach ($rels['HasMany'] as $property => $foo) {
            if ($foo instanceof MorphMany || $foo instanceof MorphToMany) {
                continue;
            }
            $isBelong = $foo instanceof BelongsToMany;
            $mult = '*';
            $targ = get_class($foo->getRelated());

            if ($isBelong) {
                list($fkMethodName, $rkMethodName) = $this->polyglotKeyMethodNames($foo);
            }

            $keyRaw = $isBelong ? $foo->$fkMethodName() : $foo->getForeignKeyName();
            $keySegments = explode('.', $keyRaw);
            $keyName = $keySegments[count($keySegments) - 1];
            $localRaw = $isBelong ? $foo->$rkMethodName() : $foo->getQualifiedParentKeyName();
            $localSegments = explode('.', $localRaw);
            $localName = $localSegments[count($localSegments) - 1];
            if (!isset($hooks[$keyName])) {
                $hooks[$keyName] = [];
            }
            $hooks[$keyName][$targ] = [
                'property' => $property,
                'local' => $localName,
                'multiplicity' => $mult
            ];
        }

        return $hooks;
    }

    protected function getAllAttributes()
    {
        // Adapted from http://stackoverflow.com/a/33514981
        // $columns = $this->getFillable();
        // Another option is to get all columns for the table like so:
        $builder = $this->getConnection()->getSchemaBuilder();
        $columns = $builder->getColumnListing($this->getTable());
        // but it's safer to just get the fillable fields

        $attributes = $this->getAttributes();

        foreach ($columns as $column) {
            if (!array_key_exists($column, $attributes)) {
                $attributes[$column] = null;
            }
        }

        $methods = $this->collectGetters();

        foreach ($methods as $method) {
            $attributes[$method] = null;
        }

        return $attributes;
    }

    protected function getRelationshipsFromMethods($biDir = false)
    {
        $model = $this;
        $relationships = array(
            "HasOne" => array(),
            "UnknownPolyMorphSide"=>array(),
            "HasMany"=>array(),
            "KnownPolyMorphSide"=>array()
        );
        $methods = get_class_methods($model);
        if (!empty($methods)) {
            foreach ($methods as $method) {
                if (!method_exists('Illuminate\Database\Eloquent\Model', $method)
                ) {
                    //Use reflection to inspect the code, based on Illuminate/Support/SerializableClosure.php
                    $reflection = new \ReflectionMethod($model, $method);

                    $file = new \SplFileObject($reflection->getFileName());
                    $file->seek($reflection->getStartLine()-1);
                    $code = '';
                    while ($file->key() < $reflection->getEndLine()) {
                        $code .= $file->current();
                        $file->next();
                    }

                    $code = trim(preg_replace('/\s\s+/', '', $code));
                    assert(false !== stripos($code, 'function'), 'Function definition must have keyword \'function\'');
                    $begin = strpos($code, 'function(');
                    $code = substr($code, $begin, strrpos($code, '}')-$begin+1);
                    $lastCode = $code[strlen($code)-1];
                    assert("}" == $lastCode, "Final character of function definition must be closing brace");
                    foreach (array(
                                'hasMany',
                                'hasManyThrough',
                                'belongsToMany',
                                'hasOne',
                                'belongsTo',
                                'morphOne',
                                'morphTo',
                                'morphMany',
                                'morphToMany',
                                'morphedByMany'
                                ) as $relation) {
                        $search = '$this->'.$relation.'(';
                        if ($pos = stripos($code, $search)) {
                            //Resolve the relation's model to a Relation object.
                            $relationObj = $model->$method();
                            if ($relationObj instanceof Relation) {
                                $relatedModel = '\\'.get_class($relationObj->getRelated());
                                $relations = [
                                    'hasManyThrough',
                                    'belongsToMany',
                                    'hasMany',
                                    'morphMany',
                                    'morphToMany',
                                    'morphedByMany'
                                ];
                                if (in_array($relation, $relations)) {
                                    //Collection or array of models (because Collection is Arrayable)
                                    $relationships["HasMany"][$method] = $biDir ? $relationObj : $relatedModel;
                                } elseif ($relation === "morphTo") {
                                    // Model isn't specified because relation is polymorphic
                                    $relationships["UnknownPolyMorphSide"][$method] =
                                        $biDir ? $relationObj : '\Illuminate\Database\Eloquent\Model|\Eloquent';
                                } else {
                                    //Single model is returned
                                    $relationships["HasOne"][$method] = $biDir ? $relationObj : $relatedModel;
                                }
                                if (in_array($relation, ["morphMany", "morphOne", "morphedByMany"])) {
                                    $relationships["KnownPolyMorphSide"][$method] =
                                        $biDir ? $relationObj : $relatedModel;
                                }
                                if (in_array($relation, ["morphToMany"])) {
                                    $relationships["UnknownPolyMorphSide"][$method] =
                                        $biDir ? $relationObj : $relatedModel;
                                }
                            }
                        }
                    }
                }
            }
        }
        return $relationships;
    }

    /**
     * Get the visible attributes for the model.
     *
     * @return array
     */
    public abstract function getVisible();

    /**
     * Get the hidden attributes for the model.
     *
     * @return array
     */
    public abstract function getHidden();

    /**
     * Get the primary key for the model.
     *
     * @return string
     */
    public abstract function getKeyName();

    /**
     * Get the current connection name for the model.
     *
     * @return string
     */
    public abstract function getConnectionName();

    /**
     * Get the database connection for the model.
     *
     * @return \Illuminate\Database\Connection
     */
    public abstract function getConnection();

    /**
     * Get all of the current attributes on the model.
     *
     * @return array
     */
    public abstract function getAttributes();

    /**
     * Get the table associated with the model.
     *
     * @return string
     */
    public abstract function getTable();

    /**
     * Get the fillable attributes for the model.
     *
     * @return array
     */
    public abstract function getFillable();

    /**
     * Dig up all defined getters on the model
     *
     * @return array
     */
    protected function collectGetters()
    {
        $getterz = [];
        $methods = get_class_methods($this);
        foreach ($methods as $method) {
            if (starts_with($method, 'get') && ends_with($method, 'Attribute') && 'getAttribute' != $method) {
                $getterz[] = $method;
            }
        }
        $methods = [];

        foreach ($getterz as $getter) {
            $residual = substr($getter, 3);
            $residual = substr($residual, 0, -9);
            $methods[] = $residual;
        }
        return $methods;
    }

    /**
     * @param $foo
     * @return array
     */
    private function polyglotKeyMethodNames($foo)
    {
        $fkMethodName = method_exists($foo, 'getQualifiedForeignKeyName')
            ? 'getQualifiedForeignKeyName' : 'getQualifiedForeignPivotKeyName';
        $rkMethodName = method_exists($foo, 'getQualifiedRelatedKeyName')
            ? 'getQualifiedRelatedKeyName' : 'getQualifiedRelatedPivotKeyName';
        return array($fkMethodName, $rkMethodName);
    }
}


1			<?php
2			namespace AlgoWeb\PODataLaravel\Models;
3
4			use Illuminate\Database\Eloquent\Relations\BelongsTo;
5			use Illuminate\Database\Eloquent\Relations\BelongsToMany;
6			use Illuminate\Database\Eloquent\Relations\MorphMany;
7			use Illuminate\Database\Eloquent\Relations\MorphOne;
8			use Illuminate\Database\Eloquent\Relations\MorphToMany;
9			use Illuminate\Support\Facades\App as App;
10			use Illuminate\Database\Eloquent\Relations\Relation;
11			use POData\Providers\Metadata\ResourceStreamInfo;
12			use POData\Providers\Metadata\Type\EdmPrimitiveType;
13			use Illuminate\Database\Eloquent\Model;
14
15			trait MetadataTrait
16			{
17			/*
18			* Array to record mapping between doctrine types and OData types
19			*/
20			protected $mapping = [
21			'integer' => EdmPrimitiveType::INT32,
22			'string' => EdmPrimitiveType::STRING,
23			'datetime' => EdmPrimitiveType::DATETIME,
24			'float' => EdmPrimitiveType::SINGLE,
25			'decimal' => EdmPrimitiveType::DECIMAL,
26			'text' => EdmPrimitiveType::STRING,
27			'boolean' => EdmPrimitiveType::BOOLEAN,
28	3		'blob' => "stream"
29			];
30	3
31			/*
32			* Retrieve and assemble this model's metadata for OData packaging
33	2		*/
34	2		public function metadata()
35			{
36	2		assert($this instanceof Model, get_class($this));
37
38	2		// Break these out separately to enable separate reuse
39	1		$connect = $this->getConnection();
40			$builder = $connect->getSchemaBuilder();
41
42	1		$table = $this->getTable();
43	1
44	1		if (!$builder->hasTable($table)) {
45			return [];
46	1		}
47
48	1		$columns = $builder->getColumnListing($table);
49	1		$mask = $this->metadataMask();
50	1		$columns = array_intersect($columns, $mask);
51
52	1		$tableData = [];
53	1
54	1		$rawFoo = $connect->getDoctrineSchemaManager()->listTableColumns($table);
55			$foo = [];
56	1		$getters = $this->collectGetters();
57
58	1		foreach ($rawFoo as $key => $val) {
59	1		// Work around glitch in Doctrine when reading from MariaDB which added ` characters to root key value
60	1		$key = trim($key, '`');
61	1		$foo[$key] = $val;
62	1		}
63	1
64	1		foreach ($columns as $column) {
65			// Doctrine schema manager returns columns with lowercased names
66	1		$rawColumn = $foo[strtolower($column)];
67			$nullable = !($rawColumn->getNotNull());
68			$fillable = in_array($column, $this->getFillable());
69			$rawType = $rawColumn->getType();
70			$type = $rawType->getName();
71			$tableData[$column] = ['type' => $type, 'nullable' => $nullable, 'fillable' => $fillable];
72			}
73	4
74			foreach ($getters as $get) {
75	4		$tableData[$get] = ['type' => 'text', 'nullable' => false, 'fillable' => false];
76			}
77	4
78	4		return $tableData;
79	4		}
80	2
81	4		/*
82	1		* Return the set of fields that are permitted to be in metadata
83	1		* - following same visible-trumps-hidden guideline as Laravel
84			*/
85	4		public function metadataMask()
86			{
87			$attribs = array_keys($this->getAllAttributes());
88
89			$visible = $this->getVisible();
90			$hidden = $this->getHidden();
91	5		if (0 < count($visible)) {
92			assert(!empty($visible));
93	5		$attribs = array_intersect($visible, $attribs);
94	5		} elseif (0 < count($hidden)) {
95	1		assert(!empty($hidden));
96			$attribs = array_diff($attribs, $hidden);
97			}
98	4
99			return $attribs;
100	4		}
101
102	4		/*
103	4		* Get the endpoint name being exposed
104	4		*
105	4		*/
106	4		public function getEndpointName()
107	4		{
108			$endpoint = isset($this->endpoint) ? $this->endpoint : null;
109	4
110	1		if (!isset($endpoint)) {
111	1		$bitter = get_class();
112	1		$name = substr($bitter, strrpos($bitter, '\\')+1);
113	1		return strtolower($name);
114			}
115	4		return strtolower($endpoint);
116	4		}
117
118	4		/*
119			* Assemble this model's OData metadata as xml schema
120			*/
121			public function getXmlSchema($MetaNamespace = "Data")
122			{
123			$raw = $this->metadata();
124			if ([] == $raw) {
125			return null;
126			}
127
128			$metadata = App::make('metadata');
129
130			$rf = new \ReflectionClass(get_class($this));
131			$complex = $metadata->addEntityType($rf, $rf->getShortName(), $MetaNamespace);
132			$keyName = $this->getKeyName();
133			if (null != $keyName) {
134			$metadata->addKeyProperty($complex, $keyName, $this->mapping[$raw[$keyName]['type']]);
135			}
136
137			foreach ($raw as $key => $secret) {
138			if ($key == $keyName) {
139			continue;
140			}
141			if ($secret['type'] == "blob") {
142			$complex->setMediaLinkEntry(true);
143			$streamInfo = new ResourceStreamInfo($key);
144			assert($complex->isMediaLinkEntry());
145			$complex->addNamedStream($streamInfo);
146			continue;
147			}
148			$metadata->addPrimitiveProperty($complex, $key, $this->mapping[$secret['type']]); // tag as isBag?
149			}
150
151			return $complex;
152			}
153
154			public function hookUpRelationships($entityTypes, $resourceSets)
155			{
156			assert(is_array($entityTypes) && is_array($resourceSets), "Both entityTypes and resourceSets must be arrays");
157			$metadata = App::make('metadata');
158			$rel = $this->getRelationshipsFromMethods();
159			$thisClass = get_class($this);
160			$thisInTypes = array_key_exists($thisClass, $entityTypes);
161			$thisInSets = array_key_exists($thisClass, $resourceSets);
162
163			if (!($thisInSets && $thisInTypes)) {
164			return $rel;
165			}
166
167			$resourceType = $entityTypes[$thisClass];
168			// if $r is in $combined keys, then its in keyspaces of both $entityTypes and $resourceSets
169			$combinedKeys = array_intersect(array_keys($entityTypes), array_keys($resourceSets));
170		View Code Duplication	foreach ($rel["HasOne"] as $n => $r) {
171			$r = trim($r, '\\');
172			if (in_array($r, $combinedKeys)) {
173			$targResourceSet = $resourceSets[$r];
174			$metadata->addResourceReferenceProperty($resourceType, $n, $targResourceSet);
175	3		}
176			}
177	3	View Code Duplication	foreach ($rel["HasMany"] as $n => $r) {
			1 ignored issue – show Duplication introduced 2017-04-17 08:01 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
178			$r = trim($r, '\\');
179	3		if (in_array($r, $combinedKeys)) {
180	3		$targResourceSet = $resourceSets[$r];
181	3		$metadata->addResourceSetReferenceProperty($resourceType, $n, $targResourceSet);
182	3		}
183	3		}
184	3		return $rel;
185	3		}
186	3
187	3		public function getRelationships()
188	3		{
189			$hooks = [];
190	3
191			$rels = $this->getRelationshipsFromMethods(true);
192	3
193	3		foreach ($rels['UnknownPolyMorphSide'] as $property => $foo) {
194	3		$isMany = $foo instanceof MorphToMany;
195	3		$targ = get_class($foo->getRelated());
196	3		$mult = $isMany ? '*' : '1';
197	3
198	3		if ($isMany) {
199	3		list($fkMethodName, $rkMethodName) = $this->polyglotKeyMethodNames($foo);
200	3		}
201	3
202			$keyRaw = $isMany ? $foo->$fkMethodName() : $foo->getForeignKey();
203	3		$keySegments = explode('.', $keyRaw);
204	3		$keyName = $keySegments[count($keySegments) - 1];
205	3		$localRaw = $isMany ? $foo->$rkMethodName() : $foo->getQualifiedParentKeyName();
206	3		$localSegments = explode('.', $localRaw);
207	3		$localName = $localSegments[count($localSegments) - 1];
208	3
209	3		$first = $keyName;
210	3		$last = $localName;
211			if (!isset($hooks[$first])) {
212	3		$hooks[$first] = [];
213	3		}
214	3		$hooks[$first][$targ] = [
215			'property' => $property,
216	3		'local' => $last,
217	3		'multiplicity' => $mult
218	3		];
219	3		}
220	3
221			foreach ($rels['KnownPolyMorphSide'] as $property => $foo) {
222	1		$isMany = $foo instanceof MorphToMany;
223	3		$targ = get_class($foo->getRelated());
224			$mult = $isMany ? '' : $foo instanceof MorphMany ? '' : '1';
225	1		$mult = $foo instanceof MorphOne ? '0..1' : $mult;
226
227	1		if ($isMany) {
228			list($fkMethodName, $rkMethodName) = $this->polyglotKeyMethodNames($foo);
229	1		}
230
231	3		$keyRaw = $isMany ? $foo->$fkMethodName() : $foo->getForeignKeyName();
232	2		$keySegments = explode('.', $keyRaw);
233	2		$keyName = $keySegments[count($keySegments) - 1];
234	3		$localRaw = $isMany ? $foo->$rkMethodName() : $foo->getQualifiedParentKeyName();
235	3		$localSegments = explode('.', $localRaw);
236	3		$localName = $localSegments[count($localSegments) - 1];
237	3		$first = $isMany ? $keyName : $localName;
238	3		$last = $isMany ? $localName : $keyName;
239	3		if (!isset($hooks[$first])) {
240	3		$hooks[$first] = [];
241			}
242			$hooks[$first][$targ] = [
243			'property' => $property,
244			'local' => $last,
245			'multiplicity' => $mult
246			];
247			}
248
249			foreach ($rels['HasOne'] as $property => $foo) {
250			if ($foo instanceof MorphOne) {
251			continue;
252			}
253			$isBelong = $foo instanceof BelongsTo;
254			$mult = $isBelong ? '1' : '0..1';
255			$targ = get_class($foo->getRelated());
256			$keyName = $isBelong ? $foo->getForeignKey() : $foo->getForeignKeyName();
257			$localRaw = $isBelong ? $foo->getOwnerKey() : $foo->getQualifiedParentKeyName();
258			$localSegments = explode('.', $localRaw);
259			$localName = $localSegments[count($localSegments) - 1];
260			$first = $isBelong ? $localName : $keyName;
261			$last = $isBelong ? $keyName : $localName;
262			if (!isset($hooks[$first])) {
263			$hooks[$first] = [];
264			}
265			$hooks[$first][$targ] = [
266			'property' => $property,
267			'local' => $last,
268			'multiplicity' => $mult
269			];
270			}
271			foreach ($rels['HasMany'] as $property => $foo) {
272			if ($foo instanceof MorphMany \|\| $foo instanceof MorphToMany) {
273			continue;
274			}
275			$isBelong = $foo instanceof BelongsToMany;
276			$mult = '*';
277			$targ = get_class($foo->getRelated());
278
279			if ($isBelong) {
280			list($fkMethodName, $rkMethodName) = $this->polyglotKeyMethodNames($foo);
281			}
282
283			$keyRaw = $isBelong ? $foo->$fkMethodName() : $foo->getForeignKeyName();
284			$keySegments = explode('.', $keyRaw);
285			$keyName = $keySegments[count($keySegments) - 1];
286			$localRaw = $isBelong ? $foo->$rkMethodName() : $foo->getQualifiedParentKeyName();
287			$localSegments = explode('.', $localRaw);
288			$localName = $localSegments[count($localSegments) - 1];
289			if (!isset($hooks[$keyName])) {
290			$hooks[$keyName] = [];
291			}
292			$hooks[$keyName][$targ] = [
293			'property' => $property,
294			'local' => $localName,
295			'multiplicity' => $mult
296			];
297			}
298
299			return $hooks;
300			}
301
302			protected function getAllAttributes()
303			{
304			// Adapted from http://stackoverflow.com/a/33514981
305			// $columns = $this->getFillable();
306			// Another option is to get all columns for the table like so:
307			$builder = $this->getConnection()->getSchemaBuilder();
308			$columns = $builder->getColumnListing($this->getTable());
309			// but it's safer to just get the fillable fields
310
311			$attributes = $this->getAttributes();
312
313			foreach ($columns as $column) {
314			if (!array_key_exists($column, $attributes)) {
315			$attributes[$column] = null;
316			}
317			}
318
319			$methods = $this->collectGetters();
320
321			foreach ($methods as $method) {
322			$attributes[$method] = null;
323			}
324
325			return $attributes;
326			}
327
328			protected function getRelationshipsFromMethods($biDir = false)
329			{
330			$model = $this;
331			$relationships = array(
332			"HasOne" => array(),
333			"UnknownPolyMorphSide"=>array(),
334			"HasMany"=>array(),
335			"KnownPolyMorphSide"=>array()
336			);
337			$methods = get_class_methods($model);
338			if (!empty($methods)) {
339			foreach ($methods as $method) {
340			if (!method_exists('Illuminate\Database\Eloquent\Model', $method)
341			) {
342			//Use reflection to inspect the code, based on Illuminate/Support/SerializableClosure.php
343			$reflection = new \ReflectionMethod($model, $method);
344
345			$file = new \SplFileObject($reflection->getFileName());
346			$file->seek($reflection->getStartLine()-1);
347			$code = '';
348			while ($file->key() < $reflection->getEndLine()) {
349			$code .= $file->current();
350			$file->next();
351			}
352
353			$code = trim(preg_replace('/\s\s+/', '', $code));
354			assert(false !== stripos($code, 'function'), 'Function definition must have keyword \'function\'');
355			$begin = strpos($code, 'function(');
356			$code = substr($code, $begin, strrpos($code, '}')-$begin+1);
357			$lastCode = $code[strlen($code)-1];
358			assert("}" == $lastCode, "Final character of function definition must be closing brace");
359			foreach (array(
360			'hasMany',
361			'hasManyThrough',
362			'belongsToMany',
363			'hasOne',
364			'belongsTo',
365			'morphOne',
366			'morphTo',
367			'morphMany',
368			'morphToMany',
369			'morphedByMany'
370			) as $relation) {
371			$search = '$this->'.$relation.'(';
372			if ($pos = stripos($code, $search)) {
373			//Resolve the relation's model to a Relation object.
374			$relationObj = $model->$method();
375			if ($relationObj instanceof Relation) {
376			$relatedModel = '\\'.get_class($relationObj->getRelated());
377			$relations = [
378			'hasManyThrough',
379			'belongsToMany',
380			'hasMany',
381			'morphMany',
382			'morphToMany',
383			'morphedByMany'
384			];
385			if (in_array($relation, $relations)) {
386			//Collection or array of models (because Collection is Arrayable)
387			$relationships["HasMany"][$method] = $biDir ? $relationObj : $relatedModel;
388			} elseif ($relation === "morphTo") {
389			// Model isn't specified because relation is polymorphic
390			$relationships["UnknownPolyMorphSide"][$method] =
391			$biDir ? $relationObj : '\Illuminate\Database\Eloquent\Model\|\Eloquent';
392			} else {
393			//Single model is returned
394			$relationships["HasOne"][$method] = $biDir ? $relationObj : $relatedModel;
395			}
396			if (in_array($relation, ["morphMany", "morphOne", "morphedByMany"])) {
397			$relationships["KnownPolyMorphSide"][$method] =
398			$biDir ? $relationObj : $relatedModel;
399			}
400			if (in_array($relation, ["morphToMany"])) {
401			$relationships["UnknownPolyMorphSide"][$method] =
402			$biDir ? $relationObj : $relatedModel;
403			}
404			}
405			}
406			}
407			}
408			}
409			}
410			return $relationships;
411			}
412
413			/**
414			* Get the visible attributes for the model.
415			*
416			* @return array
417			*/
418			public abstract function getVisible();
419
420			/**
421			* Get the hidden attributes for the model.
422			*
423			* @return array
424			*/
425			public abstract function getHidden();
426
427			/**
428			* Get the primary key for the model.
429			*
430			* @return string
431			*/
432			public abstract function getKeyName();
433
434			/**
435			* Get the current connection name for the model.
436			*
437			* @return string
438			*/
439			public abstract function getConnectionName();
440
441			/**
442			* Get the database connection for the model.
443			*
444			* @return \Illuminate\Database\Connection
445			*/
446			public abstract function getConnection();
447
448			/**
449			* Get all of the current attributes on the model.
450			*
451			* @return array
452			*/
453			public abstract function getAttributes();
454
455			/**
456			* Get the table associated with the model.
457			*
458			* @return string
459			*/
460			public abstract function getTable();
461
462			/**
463			* Get the fillable attributes for the model.
464			*
465			* @return array
466			*/
467			public abstract function getFillable();
468
469			/**
470			* Dig up all defined getters on the model
471			*
472			* @return array
473			*/
474			protected function collectGetters()
475			{
476			$getterz = [];
477			$methods = get_class_methods($this);
478			foreach ($methods as $method) {
479			if (starts_with($method, 'get') && ends_with($method, 'Attribute') && 'getAttribute' != $method) {
480			$getterz[] = $method;
481			}
482			}
483			$methods = [];
484
485			foreach ($getterz as $getter) {
486			$residual = substr($getter, 3);
487			$residual = substr($residual, 0, -9);
488			$methods[] = $residual;
489			}
490			return $methods;
491			}
492
493			/**
494			* @param $foo
495			* @return array
496			*/
497			private function polyglotKeyMethodNames($foo)
498			{
499			$fkMethodName = method_exists($foo, 'getQualifiedForeignKeyName')
500			? 'getQualifiedForeignKeyName' : 'getQualifiedForeignPivotKeyName';
501			$rkMethodName = method_exists($foo, 'getQualifiedRelatedKeyName')
502			? 'getQualifiedRelatedKeyName' : 'getQualifiedRelatedPivotKeyName';
503			return array($fkMethodName, $rkMethodName);
504			}
505			}
506

Algo-Web / POData-Laravel

Pull Request — master (#46)

MetadataTrait::getConnectionName()

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