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<?php |
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namespace BiiiiiigMonster\Hasin\Database\Eloquent; |
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use Closure; |
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use Illuminate\Database\Eloquent\Builder; |
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use Illuminate\Database\Eloquent\Relations\BelongsTo; |
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use Illuminate\Database\Eloquent\Relations\BelongsToMany; |
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use Illuminate\Database\Eloquent\Relations\HasManyThrough; |
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use Illuminate\Database\Eloquent\Relations\HasOne; |
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use Illuminate\Database\Eloquent\Relations\HasOneOrMany; |
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use Illuminate\Database\Eloquent\Relations\MorphOne; |
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use Illuminate\Database\Eloquent\Relations\MorphOneOrMany; |
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use Illuminate\Database\Eloquent\Relations\MorphToMany; |
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use LogicException; |
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class RelationMixin |
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{ |
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public function getRelationExistenceInQuery(): Closure |
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{ |
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return function (Builder $query, Builder $parentQuery, $columns = ['*']): Builder { |
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$relation = function (Builder $query, Builder $parentQuery, $columns = ['*']): Builder { |
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return $query->select($columns); |
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}; |
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// basic builder |
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$belongsTo = function (Builder $query, Builder $parentQuery) use ($relation): Builder { |
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$columns = $query->qualifyColumn($this->ownerKey); |
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$relationQuery = $relation($query, $parentQuery, $columns); |
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if ($parentQuery->getQuery()->from == $query->getQuery()->from) { |
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$relationQuery->from( |
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$query->getModel()->getTable().' as '.$hash = $this->getRelationCountHash() |
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); |
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$relationQuery->getModel()->setTable($hash); |
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} |
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return $relationQuery; |
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}; |
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$belongsToMany = function (Builder $query, Builder $parentQuery) use ($relation): Builder { |
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$columns = $this->getExistenceCompareKey(); |
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if ($parentQuery->getQuery()->from == $query->getQuery()->from) { |
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$query->select($columns); |
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$query->from($this->related->getTable().' as '.$hash = $this->getRelationCountHash()); |
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$this->related->setTable($hash); |
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} |
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$this->performJoin($query); |
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return $relation($query, $parentQuery, $columns); |
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}; |
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$hasOneOrMany = function (Builder $query, Builder $parentQuery) use ($relation): Builder { |
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$columns = $this->getExistenceCompareKey(); |
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if ($query->getQuery()->from == $parentQuery->getQuery()->from) { |
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$query->from($query->getModel()->getTable().' as '.$hash = $this->getRelationCountHash()); |
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$query->getModel()->setTable($hash); |
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} |
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return $relation($query, $parentQuery, $columns); |
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}; |
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$hasManyThrough = function (Builder $query, Builder $parentQuery) use ($relation): Builder { |
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$columns = $this->getQualifiedFirstKeyName(); |
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if ($parentQuery->getQuery()->from === $query->getQuery()->from) { |
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$query->from($query->getModel()->getTable().' as '.$hash = $this->getRelationCountHash()); |
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$query->join($this->throughParent->getTable(), $this->getQualifiedParentKeyName(), '=', $hash.'.'.$this->secondKey); |
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if ($this->throughParentSoftDeletes()) { |
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$query->whereNull($this->throughParent->getQualifiedDeletedAtColumn()); |
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} |
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$query->getModel()->setTable($hash); |
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return $relation($query, $parentQuery, $columns); |
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} |
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if ($parentQuery->getQuery()->from === $this->throughParent->getTable()) { |
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$table = $this->throughParent->getTable().' as '.$hash = $this->getRelationCountHash(); |
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$query->join($table, $hash.'.'.$this->secondLocalKey, '=', $this->getQualifiedFarKeyName()); |
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if ($this->throughParentSoftDeletes()) { |
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$query->whereNull($hash.'.'.$this->throughParent->getDeletedAtColumn()); |
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} |
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return $relation($query, $parentQuery, $columns); |
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} |
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$this->performJoin($query); |
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return $relation($query, $parentQuery, $columns); |
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}; |
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// extended builder |
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$hasOne = function (Builder $query, Builder $parentQuery) use ($hasOneOrMany): Builder { |
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if ($this->isOneOfMany()) { |
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$this->mergeOneOfManyJoinsTo($query); |
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} |
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return $hasOneOrMany($query, $parentQuery); |
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}; |
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$morphOneOrMany = function (Builder $query, Builder $parentQuery) use ($hasOneOrMany): Builder { |
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return $hasOneOrMany($query, $parentQuery)->where( |
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$query->qualifyColumn($this->getMorphType()), |
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$this->morphClass |
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); |
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}; |
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$morphOne = function (Builder $query, Builder $parentQuery) use ($morphOneOrMany): Builder { |
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if ($this->isOneOfMany()) { |
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$this->mergeOneOfManyJoinsTo($query); |
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} |
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return $morphOneOrMany($query, $parentQuery); |
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}; |
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$morphToMany = function (Builder $query, Builder $parentQuery) use ($belongsToMany): Builder { |
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return $belongsToMany($query, $parentQuery)->where( |
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$this->qualifyPivotColumn($this->morphType), |
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$this->morphClass |
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); |
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}; |
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return match (true) { |
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// extended relation |
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$this instanceof HasOne => $hasOne($query, $parentQuery), |
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$this instanceof MorphOne => $morphOne($query, $parentQuery), |
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$this instanceof MorphOneOrMany => $morphOneOrMany($query, $parentQuery), |
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$this instanceof MorphToMany => $morphToMany($query, $parentQuery), |
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// basic relation |
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$this instanceof BelongsTo => $belongsTo($query, $parentQuery), |
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$this instanceof BelongsToMany => $belongsToMany($query, $parentQuery), |
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$this instanceof HasOneOrMany => $hasOneOrMany($query, $parentQuery), |
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$this instanceof HasManyThrough => $hasManyThrough($query, $parentQuery), |
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default => throw new LogicException( |
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sprintf('%s must be a relationship instance.', $this::class) |
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) |
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}; |
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}; |
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} |
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public function getRelationWhereInKey(): Closure |
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{ |
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return fn (): string => match (true) { |
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$this instanceof BelongsTo => $this->getQualifiedForeignKeyName(), |
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$this instanceof HasOneOrMany, $this instanceof BelongsToMany => $this->getQualifiedParentKeyName(), |
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$this instanceof HasManyThrough => $this->getQualifiedLocalKeyName(), |
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default => throw new LogicException( |
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sprintf('%s must be a relationship instance.', $this::class) |
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) |
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}; |
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} |
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} |
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This check looks for parameters that have been defined for a function or method, but which are not used in the method body.