♻️ Recriando namespaces e usando cURL para consultar os serviços exte…

…rnos
vcampitelli · Sep 16, 2024 · 583fb2a · 583fb2a
1 parent 8982370
commit 583fb2a
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Showing 6 changed files with 112 additions and 55 deletions.
diff --git a/build.php b/build.php
@@ -2,30 +2,53 @@
 
 declare(strict_types=1);
 
-require __DIR__ . '/src/GitHubApi.php';
-require __DIR__ . '/src/LatestPhpVersion.php';
-require __DIR__ . '/src/PhpUsagePercentage.php';
-require __DIR__ . '/src/WordpressUsagePercentage.php';
-
-$stars = (new Crawler\GitHubApi(getenv('GITHUB_TOKEN')))
-    ->addRepository('laravel', 'laravel/laravel')
-    ->addRepository('slim', 'slimphp/Slim')
-    ->addRepository('symfony', 'symfony/symfony')
-    ->addRepository('composer', 'composer/composer')
-    ->addRepository('awesomePhp', 'ziadoz/awesome-php')
-    ->addOrganization('phpLeague', 'thephpleague')
-    ->addOrganization('laminas', 'laminas')
-    ->run();
-
-[$latestPhpVersion, $latestPhpVersionReleaseDate] = (new Crawler\LatestPhpVersion(
-    'https://www.php.net/releases/active.php',
-))();
-$phpUsagePercentage = (new Crawler\PhpUsagePercentage(
-    'https://w3techs.com/technologies/history_overview/programming_language',
-))();
-[$wordpressCmsUsagePercentage, $wordpressTotalUsagePercentage] = (new Crawler\WordpressUsagePercentage(
-    'https://w3techs.com/technologies/details/cm-wordpress',
-))();
+require __DIR__ . '/vendor/autoload.php';
+
+$run = function (string $description, callable $execute): mixed {
+    try {
+        echo "\e[0m[ \e[36m..\e[0m ] \e[36m{$description}\e[0m";
+        $response = $execute();
+        echo "\r\e[0m[ \e[1;32mOK\e[0m ] \e[36m{$description}\e[0m\n";
+        return $response;
+    } catch (\Throwable $t) {
+        echo "\r\e[0m[ \e[1;31mERR\e[0m ] \e[36m{$description}\e[0m\n";
+        echo "    \e[31m{$t->getMessage()}\e[0m\n";
+        die(1);
+    }
+};
+
+$stars = $run(
+    'Estatísticas do GitHub',
+    (new App\Crawler\GitHubApi(getenv('GITHUB_TOKEN')))
+        ->addRepository('laravel', 'laravel/laravel')
+        ->addRepository('slim', 'slimphp/Slim')
+        ->addRepository('symfony', 'symfony/symfony')
+        ->addRepository('composer', 'composer/composer')
+        ->addRepository('awesomePhp', 'ziadoz/awesome-php')
+        ->addOrganization('phpLeague', 'thephpleague')
+        ->addOrganization('laminas', 'laminas')
+);
+
+[$latestPhpVersion, $latestPhpVersionReleaseDate] = $run(
+    'Última versão do PHP',
+    new App\Crawler\LatestPhpVersion(
+        'https://www.php.net/releases/active.php',
+    )
+);
+
+$phpUsagePercentage = $run(
+    'Uso do PHP no w3techs.com',
+    new App\Crawler\PhpUsagePercentage(
+        'https://w3techs.com/technologies/history_overview/programming_language',
+    )
+);
+
+[$wordpressCmsUsagePercentage, $wordpressTotalUsagePercentage] = $run(
+    'Uso do WordPress no w3techs.com',
+    new App\Crawler\WordpressUsagePercentage(
+        'https://w3techs.com/technologies/details/cm-wordpress',
+    )
+);
 
 ob_start();
 require __DIR__ . '/template/index.phtml';

diff --git a/src/GitHubApi.php → src/Crawler/GitHubApi.php b/src/GitHubApi.php → src/Crawler/GitHubApi.php
@@ -2,7 +2,7 @@
 
 declare(strict_types=1);
 
-namespace Crawler;
+namespace App\Crawler;
 
 use CurlHandle;
 use RuntimeException;
@@ -37,29 +37,30 @@ public function addOrganization(string $entry, string $organization): self
         return $this;
     }
 
-    public function run(): stdClass
+    public function __invoke(): stdClass
     {
-        $curlMultiHandler = curl_multi_init();
+        $curlMultiHandler = \curl_multi_init();
 
         foreach ($this->handlers as $handler) {
-            curl_multi_add_handle($curlMultiHandler, $handler);
+            \curl_multi_add_handle($curlMultiHandler, $handler);
         }
 
+        $active = true;
         do {
-            $status = curl_multi_exec($curlMultiHandler, $active);
+            $status = \curl_multi_exec($curlMultiHandler, $active);
             if ($active) {
-                curl_multi_select($curlMultiHandler);
+                \curl_multi_select($curlMultiHandler);
             }
         } while ($active && $status == CURLM_OK);
 
         foreach ($this->handlers as $handler) {
-            curl_multi_remove_handle($curlMultiHandler, $handler);
+            \curl_multi_remove_handle($curlMultiHandler, $handler);
         }
-        curl_multi_close($curlMultiHandler);
+        \curl_multi_close($curlMultiHandler);
 
         $response = new stdClass();
         foreach ($this->handlers as $entry => $handler) {
-            $json = curl_multi_getcontent($handler);
+            $json = \curl_multi_getcontent($handler);
 
             $response->$entry = $this->parseJson($entry, $json);
         }
@@ -70,11 +71,11 @@ public function run(): stdClass
     private function parseJson(string $entry, string $json): string
     {
         if (empty($json)) {
-            throw new RuntimeException("Erro ao buscar dados de {$entry}");
+            throw new RuntimeException("Erro ao buscar dados de {$entry}: resposta vazia");
         }
-        $json = json_decode($json);
+        $json = \json_decode($json);
         if (empty($json)) {
-            throw new RuntimeException("Erro ao buscar dados de {$entry}");
+            throw new RuntimeException("Erro ao buscar dados de {$entry}: JSON inválido");
         }
 
         if (empty($this->isOrganization[$entry])) {
@@ -102,10 +103,10 @@ private function fetchByOrganization(string $organization): CurlHandle
 
     private function makeRequest(string $url): CurlHandle
     {
-        $curlHandle = curl_init();
-        curl_setopt_array($curlHandle, [
+        $curlHandle = \curl_init();
+        \curl_setopt_array($curlHandle, [
             CURLOPT_URL => $url,
-            CURLOPT_RETURNTRANSFER => 1,
+            CURLOPT_RETURNTRANSFER => true,
             CURLOPT_USERAGENT => 'vcampitelli',
             CURLOPT_HTTPHEADER => [
                 "Authorization: Bearer {$this->token}",
@@ -125,6 +126,6 @@ private function shortNumber(int $num): string
         for ($i = 0; $num >= 1000; $i++) {
             $num /= 1000;
         }
-        return number_format($num, 1, ',', '.') . $units[$i];
+        return \number_format($num, 1, ',', '.') . $units[$i];
     }
 }
diff --git a/src/LatestPhpVersion.php → src/Crawler/LatestPhpVersion.php b/src/LatestPhpVersion.php → src/Crawler/LatestPhpVersion.php
@@ -2,8 +2,9 @@
 
 declare(strict_types=1);
 
-namespace Crawler;
+namespace App\Crawler;
 
+use App\CurlExec;
 use DateTimeImmutable;
 
 class LatestPhpVersion
@@ -14,8 +15,8 @@ public function __construct(private readonly string $url)
 
     public function __invoke(): ?array
     {
-        $json = file_get_contents($this->url);
-        $json = json_decode($json, true);
+        $json = (new CurlExec())->fetchAsString($this->url);
+        $json = \json_decode($json, true);
         $latestMajor = end($json);
         $latestMinor = end($latestMajor);
         $date = DateTimeImmutable::createFromFormat('d M Y', $latestMinor['date']);

diff --git a/src/PhpUsagePercentage.php → src/Crawler/PhpUsagePercentage.php b/src/PhpUsagePercentage.php → src/Crawler/PhpUsagePercentage.php
@@ -2,8 +2,9 @@
 
 declare(strict_types=1);
 
-namespace Crawler;
+namespace App\Crawler;
 
+use App\CurlExec;
 use DOMDocument;
 use DOMXPath;
 
@@ -15,11 +16,7 @@ public function __construct(private readonly string $url)
 
     public function __invoke(): ?float
     {
-        $htmlString = file_get_contents($this->url);
-        libxml_use_internal_errors(true);
-        $doc = new DOMDocument();
-        $doc->loadHTML($htmlString);
-        $xpath = new DOMXPath($doc);
+        $xpath = (new CurlExec())->fetchAsXpath($this->url);
 
         $languages = $xpath->query('//table[@class="hist"]/tr');
         foreach ($languages as $language) {

diff --git a/src/WordpressUsagePercentage.php → src/Crawler/WordpressUsagePercentage.php b/src/WordpressUsagePercentage.php → src/Crawler/WordpressUsagePercentage.php
@@ -2,8 +2,9 @@
 
 declare(strict_types=1);
 
-namespace Crawler;
+namespace App\Crawler;
 
+use App\CurlExec;
 use DOMDocument;
 use DOMXPath;
 
@@ -15,11 +16,7 @@ public function __construct(private readonly string $url)
 
     public function __invoke(): ?array
     {
-        $htmlString = file_get_contents($this->url);
-        libxml_use_internal_errors(true);
-        $doc = new DOMDocument();
-        $doc->loadHTML($htmlString);
-        $xpath = new DOMXPath($doc);
+        $xpath = (new CurlExec())->fetchAsXpath($this->url);
 
         $languages = $xpath->query('//p[@class="surv"]');
         foreach ($languages as $language) {

diff --git a/src/CurlExec.php b/src/CurlExec.php
@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App;
+
+use DOMDocument;
+use DOMXPath;
+use RuntimeException;
+
+class CurlExec
+{
+    public function fetchAsString(string $url): string
+    {
+        $curlHandle = \curl_init();
+        \curl_setopt_array($curlHandle, [
+            CURLOPT_URL => $url,
+            CURLOPT_RETURNTRANSFER => true,
+            CURLOPT_USERAGENT => 'vcampitelli',
+        ]);
+
+        $response = \curl_exec($curlHandle);
+        if ($response === false) {
+            throw new RuntimeException(\curl_error($curlHandle));
+        }
+
+        return $response;
+    }
+
+    public function fetchAsXpath(string $url): DOMXPath
+    {
+        $htmlString = $this->fetchAsString($url);
+        \libxml_use_internal_errors(true);
+        $doc = new DOMDocument();
+        $doc->loadHTML($htmlString);
+        return new DOMXPath($doc);
+    }
+}