99 lines
2.7 KiB
PHP
99 lines
2.7 KiB
PHP
<?php
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namespace BookStack\Http\Controllers;
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use Illuminate\Http\Request;
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use BookStack\Http\Requests;
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use BookStack\Http\Controllers\Controller;
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use Setting;
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class SettingController extends Controller
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{
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/**
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* Display a listing of the settings.
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*
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* @return Response
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*/
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public function index()
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{
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$this->checkPermission('settings-manage');
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$this->setPageTitle('Settings');
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return view('settings/index');
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}
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/**
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* Update the specified settings in storage.
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*
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* @param Request $request
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* @return Response
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*/
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public function update(Request $request)
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{
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$this->preventAccessForDemoUsers();
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$this->checkPermission('settings-manage');
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// Cycles through posted settings and update them
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foreach($request->all() as $name => $value) {
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if(strpos($name, 'setting-') !== 0) continue;
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$key = str_replace('setting-', '', trim($name));
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if($key == 'app-color') {
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Setting::put('app-color-rgba', $this->hex2rgba($value, 0.15));
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}
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Setting::put($key, $value);
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}
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session()->flash('success', 'Settings Saved');
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return redirect('/settings');
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}
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/**
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* Adapted from http://mekshq.com/how-to-convert-hexadecimal-color-code-to-rgb-or-rgba-using-php/
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* Converts a hex color code in to an RGBA string.
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*
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* @param string $color
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* @param float|boolean $opacity
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* @return boolean|string
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*/
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protected function hex2rgba($color, $opacity = false)
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{
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// Return false if no color provided
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if(empty($color)) {
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return false;
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}
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// Trim any whitespace
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$color = trim($color);
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// Sanitize $color if "#" is provided
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if($color[0] == '#' ) {
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$color = substr($color, 1);
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}
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// Check if color has 6 or 3 characters and get values
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if(strlen($color) == 6) {
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$hex = array( $color[0] . $color[1], $color[2] . $color[3], $color[4] . $color[5] );
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} elseif( strlen( $color ) == 3 ) {
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$hex = array( $color[0] . $color[0], $color[1] . $color[1], $color[2] . $color[2] );
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} else {
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return false;
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}
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// Convert hexadec to rgb
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$rgb = array_map('hexdec', $hex);
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// Check if opacity is set(rgba or rgb)
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if($opacity) {
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if(abs($opacity) > 1)
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$opacity = 1.0;
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$output = 'rgba('.implode(",",$rgb).','.$opacity.')';
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} else {
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$output = 'rgb('.implode(",",$rgb).')';
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}
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// Return rgb(a) color string
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return $output;
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}
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}
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