Improve big integer number formatting (#75)

README.md

@@ -110,6 +110,7 @@ You can overwrite default `Profile views` text with your own label.
 
 You can provide a `base` number to add to the counter.
 This is useful if you are migrating from another service.
+
 For example, a user with 1000 views on another service who wants to migrate to GHPVC will use the following url
 to ensure the 1000 views are accounted for:
 ```markdown
@@ -128,7 +129,7 @@ This project provides minimalistic counter only. Use [Ÿ HŸPE] service if you w
 
 ### How to reset counter?
 
-To reset counter you should login to the [Ÿ HŸPE] service and then you will be able to reset counter on the https://yhype.me/ghpvc page.
+To reset counter you should log in to the [Ÿ HŸPE] service, and then you will be able to reset counter on the https://yhype.me/ghpvc page.
 
 ### Why does the counter increase every time the page is reloaded?
 

public/index.php

@@ -63,13 +63,13 @@ try {
         );
         if ($baseCount !== '0') {
             $count = $count->plus(
-                Count::ofString($baseCount)
+                Count::ofString($baseCount),
             );
         }
 
         echo $badgeImageRenderer->renderBadgeWithCount(
             $badgeLabel,
-            $count->toInt(),
+            $count,
             $badgeMessageBackgroundFill,
             $badgeStyle,
         );

src/BadgeImageRendererService.php

@@ -36,11 +36,11 @@ final class BadgeImageRendererService
 
     public function renderBadgeWithCount(
         string $label,
-        int $count,
+        Count $count,
         string $messageBackgroundFill,
         string $badgeStyle
     ): string {
-        $message = number_format($count);
+        $message = $this->formatNumber($count->toInt());
 
         return $this->renderBadge(
             $label,
@@ -84,4 +84,17 @@ final class BadgeImageRendererService
             Badge::DEFAULT_FORMAT,
         );
     }
+
+    /**
+     * This method required because of native `number_format`
+     * method has big integer format limitation.
+     */
+    private function formatNumber(
+        int $number
+    ): string {
+        $reversedString = strrev(strval($number));
+        $formattedNumber = implode(',', str_split($reversedString, 3));
+
+        return strrev($formattedNumber);
+    }
 }

src/Count.php

@@ -22,29 +22,32 @@ final class Count
     private int $count;
 
     public function __construct(
-        float $count
+        int $count
     ) {
+        $this->count = $count;
+
         Assert::lessThan(
-          $count,
-          self::MAX_COUNT,
-          'The maximum number of views has been reached'
+            $count,
+            self::MAX_COUNT,
+            'The maximum number of views has been reached',
         );
-        $this->count = intval($count);
         Assert::greaterThanEq(
-          $count,
-          0,
-          "Received a negative number of views"
+            $count,
+            0,
+            'Number of views cannot be negative',
         );
     }
 
-    public static function ofString(string $countStr): self
-    {
-      Assert::digits(
-        $countStr,
-        'The base count must only contain digits'
-      );
-      $count = floatval($countStr);
-      return new self($count);
+    public static function ofString(
+        string $value
+    ): self {
+        Assert::digits(
+            $value,
+            'The base count must only contain digits',
+        );
+        $count = intval($value);
+
+        return new self($count);
     }
 
     public function toInt(): int
@@ -52,8 +55,17 @@ final class Count
         return $this->count;
     }
 
-    public function plus(self $count): self
-    {
-      return new self($this->toInt() + $count->toInt());
+    public function plus(
+        self $that
+    ): self {
+        $sum = $this->toInt() + $that->toInt();
+
+        if (!is_int($sum)) {
+            throw new \InvalidArgumentException(
+                'The maximum number of views has been reached',
+            );
+        }
+
+        return new self($sum);
     }
 }