X-Git-Url: http://source.bookstackapp.com/bookstack/blobdiff_plain/7b6c88f17c595f3b0d88fe383827794b83dba3e7..refs/pull/1026/head:/app/helpers.php

diff --git a/app/helpers.php b/app/helpers.php
index 42e4c1894..50b41ec05 100644
--- a/app/helpers.php
+++ b/app/helpers.php
@@ -2,33 +2,48 @@
 
 use BookStack\Ownable;
 
-if (!function_exists('versioned_asset')) {
-    /**
-     * Get the path to a versioned file.
-     *
-     * @param  string $file
-     * @return string
-     *
-     * @throws \InvalidArgumentException
-     */
-    function versioned_asset($file)
-    {
-        static $manifest = null;
-
-        if (is_null($manifest)) {
-            $manifest = json_decode(file_get_contents(public_path('build/manifest.json')), true);
-        }
-
-        if (isset($manifest[$file])) {
-            return '/' . $manifest[$file];
-        }
+/**
+ * Get the path to a versioned file.
+ *
+ * @param  string $file
+ * @return string
+ * @throws Exception
+ */
+function versioned_asset($file = '')
+{
+    static $version = null;
 
-        if (file_exists(public_path($file))) {
-            return '/' . $file;
-        }
+    if (is_null($version)) {
+        $versionFile = base_path('version');
+        $version = trim(file_get_contents($versionFile));
+    }
 
-        throw new InvalidArgumentException("File {$file} not defined in asset manifest.");
+    $additional = '';
+    if (config('app.env') === 'development') {
+        $additional = sha1_file(public_path($file));
     }
+
+    $path = $file . '?version=' . urlencode($version) . $additional;
+    return baseUrl($path);
+}
+
+/**
+ * Helper method to get the current User.
+ * Defaults to public 'Guest' user if not logged in.
+ * @return \BookStack\User
+ */
+function user()
+{
+    return auth()->user() ?: \BookStack\User::getDefault();
+}
+
+/**
+ * Check if current user is a signed in user.
+ * @return bool
+ */
+function signedInUser()
+{
+    return auth()->user() && !auth()->user()->isDefault();
 }
 
 /**
@@ -42,7 +57,7 @@ if (!function_exists('versioned_asset')) {
 function userCan($permission, Ownable $ownable = null)
 {
     if ($ownable === null) {
-        return auth()->user() && auth()->user()->can($permission);
+        return user() && user()->can($permission);
     }
 
     // Check permission on ownable item
@@ -54,14 +69,115 @@ function userCan($permission, Ownable $ownable = null)
  * Helper to access system settings.
  * @param $key
  * @param bool $default
- * @return mixed
+ * @return bool|string|\BookStack\Services\SettingService
  */
-function setting($key, $default = false)
+function setting($key = null, $default = false)
 {
-    $settingService = app('BookStack\Services\SettingService');
+    $settingService = resolve(\BookStack\Services\SettingService::class);
+    if (is_null($key)) {
+        return $settingService;
+    }
     return $settingService->get($key, $default);
 }
 
+/**
+ * Helper to create url's relative to the applications root path.
+ * @param string $path
+ * @param bool $forceAppDomain
+ * @return string
+ */
+function baseUrl($path, $forceAppDomain = false)
+{
+    $isFullUrl = strpos($path, 'http') === 0;
+    if ($isFullUrl && !$forceAppDomain) {
+        return $path;
+    }
+    $path = trim($path, '/');
+
+    // Remove non-specified domain if forced and we have a domain
+    if ($isFullUrl && $forceAppDomain) {
+        $explodedPath = explode('/', $path);
+        $path = implode('/', array_splice($explodedPath, 3));
+    }
+
+    // Return normal url path if not specified in config
+    if (config('app.url') === '') {
+        return url($path);
+    }
+
+    return rtrim(config('app.url'), '/') . '/' . $path;
+}
+
+/**
+ * Get an instance of the redirector.
+ * Overrides the default laravel redirect helper.
+ * Ensures it redirects even when the app is in a subdirectory.
+ *
+ * @param  string|null  $to
+ * @param  int     $status
+ * @param  array   $headers
+ * @param  bool    $secure
+ * @return \Illuminate\Routing\Redirector|\Illuminate\Http\RedirectResponse
+ */
+function redirect($to = null, $status = 302, $headers = [], $secure = null)
+{
+    if (is_null($to)) {
+        return app('redirect');
+    }
+
+    $to = baseUrl($to);
+
+    return app('redirect')->to($to, $status, $headers, $secure);
+}
+
+/**
+ * Get a path to a theme resource.
+ * @param string $path
+ * @return string|boolean
+ */
+function theme_path($path = '')
+{
+    $theme = config('view.theme');
+    if (!$theme) {
+        return false;
+    }
+
+    return base_path('themes/' . $theme .($path ? DIRECTORY_SEPARATOR.$path : $path));
+}
+
+/**
+ * Get fetch an SVG icon as a string.
+ * Checks for icons defined within a custom theme before defaulting back
+ * to the 'resources/assets/icons' folder.
+ *
+ * Returns an empty string if icon file not found.
+ * @param $name
+ * @param array $attrs
+ * @return mixed
+ */
+function icon($name, $attrs = [])
+{
+    $attrs = array_merge([
+        'class' => 'svg-icon',
+        'data-icon' => $name
+    ], $attrs);
+    $attrString = ' ';
+    foreach ($attrs as $attrName => $attr) {
+        $attrString .=  $attrName . '="' . $attr . '" ';
+    }
+
+    $iconPath = resource_path('assets/icons/' . $name . '.svg');
+    $themeIconPath = theme_path('icons/' . $name . '.svg');
+    if ($themeIconPath && file_exists($themeIconPath)) {
+        $iconPath = $themeIconPath;
+    } else if (!file_exists($iconPath)) {
+        return '';
+    }
+
+    $fileContents = file_get_contents($iconPath);
+    return  str_replace('<svg', '<svg' . $attrString, $fileContents);
+}
+
 /**
  * Generate a url with multiple parameters for sorting purposes.
  * Works out the logic to set the correct sorting direction
@@ -75,21 +191,25 @@ function sortUrl($path, $data, $overrideData = [])
 {
     $queryStringSections = [];
     $queryData = array_merge($data, $overrideData);
-    
+
     // Change sorting direction is already sorted on current attribute
     if (isset($overrideData['sort']) && $overrideData['sort'] === $data['sort']) {
         $queryData['order'] = ($data['order'] === 'asc') ? 'desc' : 'asc';
     } else {
         $queryData['order'] = 'asc';
     }
-    
+
     foreach ($queryData as $name => $value) {
         $trimmedVal = trim($value);
-        if ($trimmedVal === '') continue;
+        if ($trimmedVal === '') {
+            continue;
+        }
         $queryStringSections[] = urlencode($name) . '=' . urlencode($trimmedVal);
     }
 
-    if (count($queryStringSections) === 0) return $path;
+    if (count($queryStringSections) === 0) {
+        return $path;
+    }
 
-    return $path . '?' . implode('&', $queryStringSections);
-}
\ No newline at end of file
+    return baseUrl($path . '?' . implode('&', $queryStringSections));
+}