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<?php
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// modules/meals/includes/api/import-pdf.php
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require dirname(__DIR__, 4) . '/includes/auth.php';
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require dirname(__DIR__, 4) . '/includes/db.php';
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require_login();
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header('Content-Type: application/json; charset=utf-8');
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if ($_SERVER['REQUEST_METHOD'] !== 'POST' || empty($_FILES['pdf_file'])) {
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echo json_encode(['success' => false, 'error' => 'Aucun fichier reçu.']);
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exit;
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}
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$personId = (int)$_POST['person_id'];
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if ($personId <= 0) {
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echo json_encode(['success' => false, 'error' => 'Enfant non spécifié.']);
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exit;
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}
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// ---------------------------------------------------------
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// PARSEUR PDF SPATIAL NATIF (100% PHP SANS LIBRAIRIE)
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// ---------------------------------------------------------
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class NativePdfParser {
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public static function getMealData($filename) {
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$content = file_get_contents($filename);
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$texts = [];
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// 1. Décompression et Tokenization Mathématique
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if (preg_match_all('/stream(.*?)endstream/is', $content, $matches)) {
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foreach ($matches[1] as $stream) {
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$stream = ltrim($stream, "\r\n");
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$decoded = @gzuncompress($stream);
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if (!$decoded) $decoded = $stream;
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// On éclate le flux par opérateurs PDF clés (Position et Texte)
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$parts = preg_split('/(Tm|Td|Tj|TJ)/', $decoded, -1, PREG_SPLIT_DELIM_CAPTURE);
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$x = 0; $y = 0;
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for ($i = 0; $i < count($parts); $i++) {
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$token = $parts[$i];
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if ($token === 'Tm' || $token === 'Td') {
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$prev = $parts[$i-1];
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preg_match_all('/[0-9.-]+/', $prev, $nums);
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if (count($nums[0]) >= 2) {
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$yRaw = array_pop($nums[0]);
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$xRaw = array_pop($nums[0]);
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if ($token === 'Tm') {
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$x = (float)$xRaw; $y = (float)$yRaw;
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} else {
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$x += (float)$xRaw; $y += (float)$yRaw;
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}
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}
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} elseif ($token === 'Tj') {
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$prev = $parts[$i-1];
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if (preg_match('/\((.*?)\)$/', trim($prev), $m)) {
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self::addText($texts, $m[1], $x, $y);
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}
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} elseif ($token === 'TJ') {
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$prev = $parts[$i-1];
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if (preg_match('/\[(.*?)\]$/', trim($prev), $m)) {
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preg_match_all('/\((.*?)\)/', $m[1], $tjs);
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$tjX = $x;
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foreach ($tjs[1] as $tj) {
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self::addText($texts, $tj, $tjX, $y);
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$tjX += 10; // Décalage estimé pour les mots suivants du tableau
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}
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}
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}
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}
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}
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}
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if (empty($texts)) throw new Exception("Impossible de lire le contenu du PDF. Le fichier est peut-être crypté ou corrompu.");
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// 2. Définition des Colonnes Verticles (X) via les En-têtes de Jour
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$dayLabels = ['LUNDI', 'MARDI', 'MERCREDI', 'JEUDI', 'VENDREDI'];
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$colXs = [];
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foreach ($texts as $t) {
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$clean = strtoupper(preg_replace('/[^A-Z]/', '', $t['text']));
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if (in_array($clean, $dayLabels)) {
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$colXs[$clean] = $t['x'];
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}
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}
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// Sécurité si les jours exacts ne sont pas détectés à cause de la police
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if (count($colXs) < 5) {
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$allXs = array_column($texts, 'x');
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sort($allXs);
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$minX = $allXs[0] ?? 0;
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$maxX = end($allXs) ?? 500;
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$step = ($maxX - $minX) / 5;
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$colXs = [
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'LUNDI' => $minX + $step * 0.5,
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'MARDI' => $minX + $step * 1.5,
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'MERCREDI' => $minX + $step * 2.5,
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'JEUDI' => $minX + $step * 3.5,
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'VENDREDI' => $minX + $step * 4.5,
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];
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}
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$sortedXs = array_values($colXs);
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sort($sortedXs);
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// 3. Définition des Tranches Horizontales (Y) via les Titres de Rangée (Zone Extrême Gauche)
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$rowHeaders = [];
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foreach ($texts as $t) {
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$clean = strtoupper(preg_replace('/[^A-Z]/', '', $t['text']));
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if (in_array($clean, ['HORSDEUVRE', 'DECLINAISON', 'PLATCHAUD', 'GARNITURE', 'PRODUITLAITIER', 'DESSERT', 'LESGOUTERS'])) {
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// On s'assure de ne capter que la colonne tout à gauche
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if ($t['x'] < ($sortedXs[0] - 20)) {
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$rowHeaders[] = ['label' => $clean, 'y' => $t['y']];
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}
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}
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}
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// Tri de haut en bas (Y du PDF est décroissant du haut vers le bas)
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usort($rowHeaders, fn($a, $b) => $b['y'] <=> $a['y']);
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$yPlatTop = null; $yPlatBot = null;
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$yGarTop = null; $yGarBot = null;
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for ($i = 0; $i < count($rowHeaders); $i++) {
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if ($rowHeaders[$i]['label'] === 'PLATCHAUD') {
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$yPlatTop = $rowHeaders[$i]['y'];
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// La limite basse est le label suivant, ou -50 unités
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$yPlatBot = $rowHeaders[$i+1]['y'] ?? ($yPlatTop - 50);
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}
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if ($rowHeaders[$i]['label'] === 'GARNITURE') {
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$yGarTop = $rowHeaders[$i]['y'];
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$yGarBot = $rowHeaders[$i+1]['y'] ?? ($yGarTop - 50);
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}
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}
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if (!$yPlatTop || !$yGarTop) {
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throw new Exception("Structure du menu non reconnue (Mots-clés 'PLAT CHAUD' et 'GARNITURE' introuvables).");
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}
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// 4. Affectation Chirurgicale par Intersection Grille (X, Y)
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$days = [[], [], [], [], []];
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foreach ($texts as $t) {
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$cleanAlpha = strtoupper(preg_replace('/[^A-Z]/', '', $t['text']));
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// Rejet des labels génériques et de la fameuse ligne "Déclinaison"
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if (in_array($cleanAlpha, ['DECLINAISON', 'MENUVEGETARIEN', 'PLATCHAUD', 'GARNITURE', 'PRODUITLAITIER', 'HORSDEUVRE', 'LESGOUTERS', 'DESSERT'])) continue;
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// Retrait des labels BIO/HVE et mentions superflues
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$textVal = trim(preg_replace('/\b(AB|HVE|MSC|Label Rouge)\b/i', '', $t['text']));
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$textVal = str_replace(['(plat', 'complet)'], '', $textVal);
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$textVal = trim(preg_replace('/[^a-zA-ZÀ-ÿ0-9\s&\-]/u', '', $textVal));
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if (strlen($textVal) < 3) continue;
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// Filtre Vertical : Est-on dans la tranche Plat Chaud ou Garniture ? (Tolérance +/- 5 unités)
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$inPlat = ($t['y'] <= $yPlatTop + 5 && $t['y'] >= $yPlatBot + 5);
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$inGar = ($t['y'] <= $yGarTop + 5 && $t['y'] >= $yGarBot + 5);
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if ($inPlat || $inGar) {
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// Filtre Horizontal : Quel est le jour le plus proche ?
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$bestCol = 0;
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$minDiff = PHP_FLOAT_MAX;
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foreach ($sortedXs as $idx => $cx) {
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$diff = abs($t['x'] - $cx);
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if ($diff < $minDiff) {
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$minDiff = $diff;
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$bestCol = $idx;
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}
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}
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$days[$bestCol][] = ['text' => $textVal, 'y' => $t['y'], 'type' => $inPlat ? 'plat' : 'gar'];
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}
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}
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// 5. Concaténation Finale
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$finalDays = [];
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for ($i = 0; $i < 5; $i++) {
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$plats = array_filter($days[$i], fn($item) => $item['type'] === 'plat');
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$gars = array_filter($days[$i], fn($item) => $item['type'] === 'gar');
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usort($plats, fn($a, $b) => $b['y'] <=> $a['y']);
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usort($gars, fn($a, $b) => $b['y'] <=> $a['y']);
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$platText = self::concatLines($plats);
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$garText = self::concatLines($gars);
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$full = trim("$platText + $garText", " +");
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$finalDays[] = preg_replace('/\s+/', ' ', $full);
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}
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return $finalDays;
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}
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private static function concatLines($items) {
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$lines = [];
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$currentLine = "";
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$lastY = null;
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foreach ($items as $item) {
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// Si le décalage Y est trop fort, on considère que c'est une nouvelle ligne
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if ($lastY !== null && abs($lastY - $item['y']) > 8) {
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if ($currentLine) $lines[] = trim($currentLine);
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$currentLine = $item['text'];
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} else {
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$currentLine .= " " . $item['text'];
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}
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$lastY = $item['y'];
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}
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if ($currentLine) $lines[] = trim($currentLine);
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return implode(' ', array_filter($lines, fn($l) => strlen(trim($l)) > 2));
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}
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private static function addText(&$texts, $rawText, $x, $y) {
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// Décodage de l'octal \123
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$m = preg_replace_callback('/\\\\([0-7]{1,3})/', function($cb) { return chr(octdec($cb[1])); }, $rawText);
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// Détection de l'UTF-16BE (Le BOM \xFE\xFF indique que le texte est double encodé)
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if (str_starts_with($m, "\xFE\xFF")) {
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$m = mb_convert_encoding(substr($m, 2), 'UTF-8', 'UTF-16BE');
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} else {
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// Fallback Latin-1 si pas de BOM
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$m = mb_convert_encoding($m, 'UTF-8', 'ISO-8859-1');
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}
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// Suppression radicale des octets nuls responsables de l'espacement forcé (E s c a l o p e)
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$m = str_replace("\0", "", $m);
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$m = trim(preg_replace('/[^\p{L}\p{N}\p{P}\p{Z}\+&\'’\-]/u', '', $m));
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if ($m !== '') {
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$texts[] = ['text' => $m, 'x' => $x, 'y' => $y];
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}
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}
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}
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try {
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$filename = $_FILES['pdf_file']['name'];
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// 1. Extraction robuste de la date depuis le nom de fichier (Menus-du-14-au-20-septembre-2026.pdf)
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$mondayDate = null;
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if (preg_match('/(\d{1,2})[\s-]+au[\s-]+\d{1,2}[\s-]+([a-zèéû]+)[\s-]+(\d{4})/i', $filename, $m)) {
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$monthsMap = ['janvier'=>'01','fevrier'=>'02','février'=>'02','mars'=>'03','avril'=>'04','mai'=>'05','juin'=>'06','juillet'=>'07','aout'=>'08','août'=>'08','septembre'=>'09','octobre'=>'10','novembre'=>'11','decembre'=>'12','décembre'=>'12'];
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$month = $monthsMap[strtolower($m[2])] ?? '09';
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$mondayDate = $m[3] . '-' . $month . '-' . str_pad($m[1], 2, '0', STR_PAD_LEFT);
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}
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if (!$mondayDate) {
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echo json_encode(['success' => false, 'error' => 'Veuillez nommer le fichier "Menus-du-14-au-20-septembre-2026.pdf".']);
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exit;
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}
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// 2. Lancement de l'Analyse Spatiale
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$plats = NativePdfParser::getMealData($_FILES['pdf_file']['tmp_name']);
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if (empty($plats) || count($plats) !== 5) {
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echo json_encode(['success' => false, 'error' => 'Erreur lors du découpage des 5 colonnes.']);
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exit;
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}
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// 3. Insertion en BDD (Lundi au Vendredi)
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$pdo->beginTransaction();
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$stmt = $pdo->prepare("
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INSERT INTO pf_meals_plan (plan_date, service, person_id, meal_name)
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VALUES (?, 'lunch', ?, ?)
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ON DUPLICATE KEY UPDATE meal_name = VALUES(meal_name)
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");
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$currentDate = new DateTime($mondayDate);
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for ($i = 0; $i < 5; $i++) {
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$fullMeal = $plats[$i];
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if (!empty($fullMeal) && $fullMeal !== '+') {
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$stmt->execute([$currentDate->format('Y-m-d'), $personId, $fullMeal]);
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}
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$currentDate->modify('+1 day');
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}
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$pdo->commit();
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echo json_encode(['success' => true]);
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} catch (Exception $e) {
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if ($pdo->inTransaction()) $pdo->rollBack();
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echo json_encode(['success' => false, 'error' => $e->getMessage()]);
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}
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