From 45a1cd78d23235ca113215fde28f6f6f590ba380 Mon Sep 17 00:00:00 2001
From: Awilum <sergey.romanenko@flextype.org>
Date: Tue, 28 Sep 2021 19:43:31 +0300
Subject: [PATCH] Filesystem 2.2.0

---
 CHANGELOG.md             |  8 +++++-
 src/File.php             | 53 ++++++++++++++++++++++++++++++++++++++--
 tests/FilesystemTest.php | 15 +++++++++++-
 3 files changed, 72 insertions(+), 4 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1c29217..2ea73ed 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
+<a name="2.2.0"></a>
+# [2.2.0](https://github.com/atomastic/filesystem) (2021-09-28)
+* add `replace` method for File.
+* add `sharedGet` method for File.
+* add ability to `get` method for File.
+
 <a name="2.1.0"></a>
-# [2.0.0](https://github.com/atomastic/filesystem) (2021-08-06)
+# [2.1.0](https://github.com/atomastic/filesystem) (2021-08-06)
 * add `ensureExists` method for Directory.
 
 <a name="2.0.0"></a>
diff --git a/src/File.php b/src/File.php
index dcfd9a2..14b3af9 100644
--- a/src/File.php
+++ b/src/File.php
@@ -69,12 +69,48 @@ public function put(string $data, bool $lock = false)
 
     /**
      * Get the contents of a file.
+     * 
+     * @param  bool $lock Acquire an exclusive lock on the file while proceeding to the reading.
      *
      * @return string|false The file contents or false on failure.
      */
-    public function get()
+    public function get($lock = false)
     {
-        $contents = file_get_contents($this->path);
+        if ($this->isFile($this->path)) {
+            $contents = $lock ? $this->sharedGet() : file_get_contents($this->path);
+        }
+
+        if ($contents === false) {
+            return false;
+        }
+
+        return $contents;
+    }
+
+    /**
+     * Get contents of a file with shared access.
+     * 
+     * @return string|false The file contents or false on failure.
+     */
+    public function sharedGet()
+    {
+        $contents = false;
+
+        $handle = fopen($this->path, 'rb');
+
+        if ($handle) {
+            try {
+                if (flock($handle, LOCK_SH)) {
+                    clearstatcache(true, $this->path);
+
+                    $contents = fread($handle, $this->size($this->path) ?: 1);
+
+                    flock($handle, LOCK_UN);
+                }
+            } finally {
+                fclose($handle);
+            }
+        }
 
         if ($contents === false) {
             return false;
@@ -111,6 +147,19 @@ public function append(string $data)
         return file_put_contents($this->path, $data, FILE_APPEND);
     }
 
+    /**
+     * Replace the value with the string in a given file.
+     * 
+     * @param  string $search  Search
+     * @param  mixed  $replace Replace
+     * 
+     * @return void
+     */
+    public function replace(string $search, $replace): void 
+    {
+        file_put_contents($this->path, str_replace($search, $replace, file_get_contents($this->path)));
+    }
+
     /**
      * Delete the file at a given path.
      *
diff --git a/tests/FilesystemTest.php b/tests/FilesystemTest.php
index 18148d2..fa7f8c7 100644
--- a/tests/FilesystemTest.php
+++ b/tests/FilesystemTest.php
@@ -36,6 +36,13 @@
     $this->assertTrue($filesystem->directory($this->tempDir . '/1')->delete());
 });
 
+test('test replace() method', function (): void {
+    file_put_contents($this->tempDir . '/replace.txt', 'foo');
+    $filesystem = new Filesystem();
+    $filesystem->file($this->tempDir . '/replace.txt')->replace('foo', 'boo');
+    $this->assertEquals('boo', file_get_contents($this->tempDir . '/replace.txt'));
+});
+
 test('test put() method', function (): void {
     $filesystem = new Filesystem();
     $this->assertEquals(4, $filesystem->file($this->tempDir . '/2.txt')->put('test'));
@@ -141,11 +148,17 @@
     $this->assertEquals('098f6bcd4621d373cade4e832627b4f6', $filesystem->file($this->tempDir . '/1.txt')->hash());
 });
 
-
 test('test get() method', function (): void {
     $filesystem = new Filesystem();
     $filesystem->file($this->tempDir . '/1.txt')->put('test');
     $this->assertEquals('test', $filesystem->file($this->tempDir . '/1.txt')->get());
+    $this->assertEquals('test', $filesystem->file($this->tempDir . '/1.txt')->get(true));
+});
+
+test('test sharedGet() method', function (): void {
+    $filesystem = new Filesystem();
+    $filesystem->file($this->tempDir . '/shared.txt')->put('test');
+    $this->assertEquals('test', $filesystem->file($this->tempDir . '/shared.txt')->sharedGet());
 });
 
 test('test prepend() method', function (): void {