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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| <?php | ||
|
|
||
| namespace Cognesy\InstructorHub\Data; | ||
|
|
||
| class Example | ||
| { | ||
| public function __construct( | ||
| public int $index, | ||
| public string $name, | ||
| public bool $hasTitle, | ||
| public string $title, | ||
| public string $content, | ||
| public string $directory, | ||
| public string $relativePath, | ||
| public string $runPath, | ||
| ) {} | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| <?php | ||
| namespace Cognesy\InstructorHub\Services; | ||
|
|
||
| use Cognesy\InstructorHub\Data\Example; | ||
|
|
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| class ExampleRepository { | ||
| public string $baseDir = ''; | ||
|
|
||
| public function __construct(string $baseDir) { | ||
| $this->baseDir = $baseDir ?: ($this->guessBaseDir() . '/'); | ||
| } | ||
|
|
||
| public function forEachExample(callable $callback) : void { | ||
| $directories = $this->getExampleDirectories(); | ||
| // loop through the files and select only directories | ||
| $index = 1; | ||
| foreach ($directories as $file) { | ||
| // check if run.php exists in the directory | ||
| if (!$this->exampleExists($file)) { | ||
| continue; | ||
| } | ||
| $example = $this->getExample($file, $index); | ||
| if (!$callback($example)) { | ||
| break; | ||
| } | ||
| $index++; | ||
| } | ||
| } | ||
|
|
||
| public function resolveToExample(string $input) : ?Example { | ||
| // handle example provided by index | ||
| $example = (int) ($input ?? ''); | ||
| if ($example > 0) { | ||
| $list = $this->getExampleDirectories(); | ||
| $index = $example - 1; | ||
| if (isset($list[$index])) { | ||
| return $this->getExample($list[$index], $index); | ||
| } | ||
| } | ||
| if (!$this->exampleExists($input)) { | ||
| return null; | ||
| } | ||
| return $this->getExample($input); | ||
| } | ||
|
|
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| //////////////////////////////////////////////////////////////////////////////////////////////////////// | ||
|
|
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| private function getExample(string $file, int $index = 0) : Example { | ||
| $content = $this->getContent($file); | ||
| return new Example( | ||
| index: $index, | ||
| name: $file, | ||
| hasTitle: $this->hasTitle($content), | ||
| title: $this->getTitle($content), | ||
| content: $content, | ||
| directory: $this->baseDir . $file, | ||
| relativePath: './examples/' . $file . '/run.php', | ||
| runPath: $this->getRunPath($file), | ||
| ); | ||
| } | ||
|
|
||
| private function getRunPath(string $file) : string { | ||
| return $this->baseDir . $file . '/run.php'; | ||
| } | ||
|
|
||
| private function getContent(string $file) : string { | ||
| $path = $this->getRunPath($file); | ||
| return file_get_contents($path); | ||
| } | ||
|
|
||
| private function getTitle(string $content) : string { | ||
| $header = $this->findMdH1Line($content); | ||
| return $this->cleanStr($header, 60); | ||
| } | ||
|
|
||
| private function hasTitle(string $content) : bool { | ||
| $title = $this->getTitle($content); | ||
| return ($title !== ''); | ||
| } | ||
|
|
||
| private function exampleExists(string $file) : bool { | ||
| $path = $this->getRunPath($file); | ||
| return file_exists($path); | ||
| } | ||
|
|
||
| private function guessBaseDir() : string { | ||
| // get current directory of this script | ||
| return dirname(__DIR__).'/../examples'; | ||
| } | ||
|
|
||
| private function getExampleDirectories() : array { | ||
| // get all files in the directory | ||
| $files = scandir($this->baseDir); | ||
| // remove . and .. from the list | ||
| $files = array_diff($files, array('.', '..')); | ||
| $directories = []; | ||
| foreach ($files as $key => $file) { | ||
| // check if the file is a directory | ||
| if (!is_dir($this->baseDir . '/' . $file)) { | ||
| continue; | ||
| } | ||
| $directories[] = $file; | ||
| } | ||
| return $directories; | ||
| } | ||
|
|
||
| private function cleanStr(string $input, int $limit) : string { | ||
| // remove any \n, \r, PHP tags, md hashes | ||
| $output = str_replace(array("\n", "\r", '<?php', '?>', '#'), array(' ', '', '', '', ''), $input); | ||
| // remove leading and trailing spaces | ||
| $output = trim($output); | ||
| // remove double spaces | ||
| $output = preg_replace('/\s+/', ' ', $output); | ||
| // remove any ANSI codes | ||
| $output = preg_replace('/\e\[[\d;]*m/', '', $output); | ||
| return substr(trim($output), 0, $limit); | ||
| } | ||
|
|
||
| private function findMdH1Line(string $input) : string { | ||
| $lines = explode("\n", $input); | ||
| foreach ($lines as $line) { | ||
| if (substr($line, 0, 2) === '# ') { | ||
| return $line; | ||
| } | ||
| } | ||
| return ''; | ||
| } | ||
| } |
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