root
103 lines
3.9 KiB
PHP
103 lines
3.9 KiB
PHP
<?php
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namespace App\Controllers\View;
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use CodeIgniter\Controller;
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use App\Models\PreferencesModel;
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class UiController extends Controller
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{
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public function style()
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{
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$styleCfg = config('Style');
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$accent = (string) $this->request->getGet('accent');
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$menu = (string) $this->request->getGet('menu');
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$menuBg = (string) $this->request->getGet('menu_bg');
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$menuTx = (string) $this->request->getGet('menu_text');
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$menuMd = (string) $this->request->getGet('menu_mode'); // optional: 'light'|'dark'|'auto'
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$updates = [];
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if ($accent && isset(($styleCfg->stylePalettes ?? [])[$accent])) {
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session()->set('style_color', $accent);
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$updates['style_color'] = $accent;
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}
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if ($menu && isset(($styleCfg->menuPalettes ?? [])[$menu])) {
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session()->set('menu_color', $menu);
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$updates['menu_color'] = $menu;
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$updates['menu_custom_bg'] = null;
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$updates['menu_custom_text'] = null;
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$updates['menu_custom_mode'] = null;
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} elseif (strtolower($menu) === 'custom' || ($menuBg !== '' || $menuTx !== '')) {
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// Allow custom menu colors via GET: menu=custom&menu_bg=#hex&menu_text=#hex&menu_mode=dark|light|auto
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$bg = $this->normalizeHex($menuBg);
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$tx = $this->normalizeHex($menuTx);
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if ($bg === '' && $tx === '') {
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// no valid values; ignore
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} else {
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if ($bg === '') $bg = '#0f172a';
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if ($tx === '') $tx = '#ffffff';
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$mode = in_array($menuMd, ['light','dark','auto'], true) ? $menuMd : 'auto';
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session()->set('menu_color', 'custom');
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session()->set('menu_custom_bg', $bg);
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session()->set('menu_custom_text', $tx);
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session()->set('menu_custom_mode', $mode);
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$updates['menu_color'] = 'custom';
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$updates['menu_custom_bg'] = $bg;
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$updates['menu_custom_text'] = $tx;
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$updates['menu_custom_mode'] = $mode;
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}
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}
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$userId = (int) session()->get('user_id');
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if ($userId && !empty($updates)) {
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$prefsModel = new PreferencesModel();
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$existing = $prefsModel->where('user_id', $userId)->first();
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if ($existing) {
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$prefsModel->update($existing['id'], $updates);
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} else {
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$updates['user_id'] = $userId;
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$prefsModel->insert($updates);
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}
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}
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// Redirect back to referrer or home
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$back = (string) $this->request->getGet('back');
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if ($back) return redirect()->to($back);
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$ref = $this->request->getServer('HTTP_REFERER');
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if ($ref) return redirect()->to($ref);
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return redirect()->to(site_url('/'));
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}
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/**
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* Normalize a CSS hex color (#RGB or #RRGGBB). Returns '' on failure.
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*/
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private function normalizeHex(string $hex): string
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{
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$h = trim($hex);
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if ($h === '') return '';
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if ($h[0] !== '#') $h = '#' . $h;
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if (preg_match('/^#([0-9a-fA-F]{3})$/', $h, $m)) {
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// Expand #RGB to #RRGGBB
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$r = $m[1][0]; $g = $m[1][1]; $b = $m[1][2];
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return '#' . $r . $r . $g . $g . $b . $b;
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}
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if (preg_match('/^#([0-9a-fA-F]{6})$/', $h)) return strtoupper($h);
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return '';
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}
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/**
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* Choose navbar mode based on background luminance: 'dark' for dark BG, else 'light'.
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*/
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private function autoModeForBg(string $hexBg): string
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{
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$hex = ltrim($hexBg, '#');
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if (strlen($hex) !== 6) return 'dark';
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$r = hexdec(substr($hex,0,2));
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$g = hexdec(substr($hex,2,2));
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$b = hexdec(substr($hex,4,2));
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// Relative luminance approximation
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$lum = (0.2126*$r + 0.7152*$g + 0.0722*$b) / 255.0;
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return ($lum < 0.5) ? 'dark' : 'light';
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}
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}
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