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Descendants nested list #268

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Descendants nested list #268

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d066a4e
Add getDescendantsNestedList method
vitorbari Apr 13, 2017
18a880d
Fix getDescendantsNestedList docblock
vitorbari Apr 13, 2017
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57 changes: 54 additions & 3 deletions src/Baum/Node.php
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Original file line number Diff line number Diff line change
Expand Up @@ -1207,10 +1207,61 @@ public static function getNestedList($column, $key = null, $seperator = ' ') {

$nodes = $instance->newNestedSetQuery()->get()->toArray();

return array_combine(array_map(function($node) use($key) {
return $instance->buildNestedList($nodes, $depthColumn, $column, $key, $seperator);
}

/**
* Return an key-value array with all nested children indicating the node's depth with $seperator
*
* @param $column
* @param null $key
* @param string $seperator
* @return Array
*/
public function getDescendantsNestedList($column, $key = null, $seperator = ' ') {
$nodes = $this->getDescendants()->toArray();

$depthColumn = $this->getDepthColumnName();

$rootDepth = $this->{$depthColumn} + 1;

return $this->buildNestedList($nodes, $depthColumn, $column, $key, $seperator, $rootDepth);
}

/**
* Return an key-value array with all nested children and self indicating the node's depth with $seperator
*
* @param $column
* @param null $key
* @param string $seperator
* @return Array
*/
public function getDescendantsAndSelfNestedList($column, $key = null, $seperator = ' ') {
$nodes = $this->getDescendantsAndSelf()->toArray();

$depthColumn = $this->getDepthColumnName();

$rootDepth = $this->{$depthColumn};

return $this->buildNestedList($nodes, $depthColumn, $column, $key, $seperator, $rootDepth);
}

/**
* Build key-value array
*
* @param array $nodes
* @param $depthColumn
* @param $column
* @param null $key
* @param string $seperator
* @param int $rootDepth
* @return Array
*/
private function buildNestedList(array $nodes, $depthColumn, $column, $key = null, $seperator = ' ', $rootDepth = 0) {
return array_combine(array_map(function ($node) use ($key) {
return $node[$key];
}, $nodes), array_map(function($node) use($seperator, $depthColumn, $column) {
return str_repeat($seperator, $node[$depthColumn]) . $node[$column];
}, $nodes), array_map(function ($node) use ($seperator, $depthColumn, $column, $rootDepth) {
return str_repeat($seperator, $node[$depthColumn] - $rootDepth) . $node[$column];
}, $nodes));
}

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56 changes: 56 additions & 0 deletions tests/suite/Category/CategoryHierarchyTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -702,4 +702,60 @@ public function testGetNestedList() {
$this->assertArraysAreEqual($expected, $nestedList);
}

public function testGetDescendantsNestedList() {
$seperator = ' ';

$root = $this->categories('Root 1');

$nestedList = $root->getDescendantsNestedList('name', 'id', $seperator);

$expected = array(
2 => str_repeat($seperator, 0) . 'Child 1',
3 => str_repeat($seperator, 0) . 'Child 2',
4 => str_repeat($seperator, 1) . 'Child 2.1',
5 => str_repeat($seperator, 0) . 'Child 3',
);

$this->assertArraysAreEqual($expected, $nestedList);


$child = $this->categories('Child 2');

$nestedList = $child->getDescendantsNestedList('name', 'id', $seperator);

$expected = array(
4 => str_repeat($seperator, 0) . 'Child 2.1',
);

$this->assertArraysAreEqual($expected, $nestedList);
}

public function testGetDescendantsAndSelfNestedList() {
$seperator = ' ';

$root = $this->categories('Root 1');

$nestedList = $root->getDescendantsAndSelfNestedList('name', 'id', $seperator);

$expected = array(
1 => str_repeat($seperator, 0) . 'Root 1',
2 => str_repeat($seperator, 1) . 'Child 1',
3 => str_repeat($seperator, 1) . 'Child 2',
4 => str_repeat($seperator, 2) . 'Child 2.1',
5 => str_repeat($seperator, 1) . 'Child 3',
);

$this->assertArraysAreEqual($expected, $nestedList);

$child = $this->categories('Child 2');

$nestedList = $child->getDescendantsAndSelfNestedList('name', 'id', $seperator);

$expected = array(
3 => str_repeat($seperator, 0) . 'Child 2',
4 => str_repeat($seperator, 1) . 'Child 2.1',
);

$this->assertArraysAreEqual($expected, $nestedList);
}
}