update

app/Models/CategoryModel.php

@@ -60,15 +60,17 @@ class CategoryModel extends Model
         $indent = "\u{00A0}\u{00A0}\u{00A0}\u{00A0}"; // 4x twarda spacja na poziom
         $out    = [];
 
-        $walk = static function (int $parentId, int $depth) use (&$walk, &$out, $childrenByParent, $indent): void {
+        $walk = static function (int $parentId, int $depth, string $parentPath) use (&$walk, &$out, $childrenByParent, $indent): void {
             foreach ($childrenByParent[$parentId] ?? [] as $c) {
                 $c['depth']        = $depth;
                 $c['indent_label'] = str_repeat($indent, $depth) . $c['name'];
+                // Pelna sciezka "Nadrzedna → Podrzedna" — jednoznaczna nawet gdy JS uciasnie wciecia.
+                $c['path_label']   = $parentPath === '' ? $c['name'] : $parentPath . ' → ' . $c['name'];
                 $out[]             = $c;
-                $walk((int) $c['id'], $depth + 1);
+                $walk((int) $c['id'], $depth + 1, $c['path_label']);
             }
         };
-        $walk(0, 0);
+        $walk(0, 0, '');
 
         // Sieroty (np. rodzic odfiltrowany typem) — dopnij na koncu bez wciecia
         $seen = array_column($out, null, 'id');
@@ -76,6 +78,7 @@ class CategoryModel extends Model
             if (! isset($seen[$c['id']])) {
                 $c['depth']        = 0;
                 $c['indent_label'] = $c['name'];
+                $c['path_label']   = $c['name'];
                 $out[]             = $c;
             }
         }

app/Models/ReceiptCategoryMapModel.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace App\Models;
+
+use CodeIgniter\Model;
+
+/**
+ * Uczona pamiec dopasowan: znormalizowana nazwa pozycji -> kategoria.
+ * Sluzy WYLACZNIE do podpowiedzi; nic nie jest ksiegowane automatycznie.
+ */
+class ReceiptCategoryMapModel extends Model
+{
+    protected $table         = 'receipt_category_map';
+    protected $primaryKey    = 'id';
+    protected $returnType    = 'array';
+    protected $useTimestamps = true;
+    protected $dateFormat    = 'datetime';
+    protected $createdField  = '';                 // tabela ma tylko updated_at
+    protected $allowedFields = ['item_name', 'category_id', 'updated_at'];
+
+    /**
+     * Normalizacja nazwy pozycji jako klucz uczenia:
+     * trim + lowercase + redukcja wielokrotnych bialych znakow.
+     * ponytail: bez usuwania gramatur/liczb — zaczynamy od dokladnego dopasowania nazwy.
+     */
+    public function normalize(string $name): string
+    {
+        $n = mb_strtolower(trim($name));
+
+        return preg_replace('/\s+/u', ' ', $n) ?? $n;
+    }
+
+    /**
+     * Podpowiedziana kategoria dla nazwy pozycji lub null.
+     */
+    public function suggest(string $name): ?int
+    {
+        $row = $this->where('item_name', $this->normalize($name))->first();
+
+        return $row ? (int) $row['category_id'] : null;
+    }
+
+    /**
+     * Zapamietaj wybor uzytkownika (upsert po znormalizowanej nazwie).
+     */
+    public function remember(string $name, int $categoryId): void
+    {
+        $key = $this->normalize($name);
+        if ($key === '') {
+            return;
+        }
+
+        $existing = $this->where('item_name', $key)->first();
+        if ($existing) {
+            $this->update($existing['id'], ['category_id' => $categoryId, 'updated_at' => date('Y-m-d H:i:s')]);
+        } else {
+            $this->insert(['item_name' => $key, 'category_id' => $categoryId, 'updated_at' => date('Y-m-d H:i:s')]);
+        }
+    }
+}

app/Models/ReceiptItemModel.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Models;
+
+use CodeIgniter\Model;
+
+class ReceiptItemModel extends Model
+{
+    protected $table         = 'receipt_items';
+    protected $primaryKey    = 'id';
+    protected $returnType    = 'array';
+    protected $useTimestamps = true;
+    protected $allowedFields = [
+        'receipt_id', 'name', 'display_name', 'qty', 'amount',
+        'suggested_category_id', 'chosen_category_id',
+    ];
+
+    /**
+     * Pozycje danego paragonu w kolejnosci wprowadzenia.
+     */
+    public function forReceipt(int $receiptId): array
+    {
+        return $this->where('receipt_id', $receiptId)
+            ->orderBy('id', 'ASC')
+            ->findAll();
+    }
+}

app/Models/ReceiptModel.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Models;
+
+use CodeIgniter\Model;
+
+class ReceiptModel extends Model
+{
+    protected $table         = 'receipts';
+    protected $primaryKey    = 'id';
+    protected $returnType    = 'array';
+    protected $useTimestamps = true;
+    protected $allowedFields = [
+        'file_path', 'original_name', 'mime', 'merchant',
+        'receipt_date', 'total', 'status', 'raw_json', 'error_msg',
+    ];
+
+    public function hasOriginalName(string $name): bool
+    {
+        return $this->where('original_name', $name)->countAllResults() > 0;
+    }
+
+    /**
+     * Lista paragonow do historii, z liczba pozycji i utworzonych operacji.
+     */
+    public function withCounts(): array
+    {
+        return $this->db->table('receipts r')
+            ->select('r.*')
+            ->select('(SELECT COUNT(*) FROM receipt_items ri WHERE ri.receipt_id = r.id) AS items_count', false)
+            ->select('(SELECT COUNT(*) FROM operations o WHERE o.receipt_id = r.id) AS operations_count', false)
+            ->orderBy('r.id', 'DESC')
+            ->get()->getResultArray();
+    }
+}

app/Models/RememberTokenModel.php

@@ -0,0 +1,73 @@
+<?php
+
+namespace App\Models;
+
+use CodeIgniter\Model;
+
+class RememberTokenModel extends Model
+{
+    public const LIFETIME_SECONDS = 30 * 24 * 60 * 60;
+
+    protected $table         = 'remember_tokens';
+    protected $primaryKey    = 'id';
+    protected $returnType    = 'array';
+    protected $useTimestamps = true;
+    protected $allowedFields = ['selector', 'validator_hash', 'expires_at'];
+
+    public function issueToken(): string
+    {
+        $selector = bin2hex(random_bytes(16));
+        $validator = bin2hex(random_bytes(32));
+
+        $this->insert([
+            'selector'       => $selector,
+            'validator_hash' => hash('sha256', $validator),
+            'expires_at'     => date('Y-m-d H:i:s', time() + self::LIFETIME_SECONDS),
+        ]);
+
+        return $selector . ':' . $validator;
+    }
+
+    public function verifyToken(string $token): bool
+    {
+        [$selector, $validator] = $this->splitToken($token);
+        if ($selector === null) {
+            return false;
+        }
+
+        $row = $this->where('selector', $selector)->first();
+        if (!$row || strtotime($row['expires_at']) <= time()) {
+            if ($row) {
+                $this->delete($row['id']);
+            }
+
+            return false;
+        }
+
+        return hash_equals($row['validator_hash'], hash('sha256', $validator));
+    }
+
+    public function deleteToken(string $token): void
+    {
+        [$selector] = $this->splitToken($token);
+        if ($selector !== null) {
+            $this->where('selector', $selector)->delete();
+        }
+    }
+
+    public function deleteExpired(): void
+    {
+        $this->where('expires_at <=', date('Y-m-d H:i:s'))->delete();
+    }
+
+    private function splitToken(string $token): array
+    {
+        $parts = explode(':', $token, 2);
+        if (count($parts) !== 2 || !ctype_xdigit($parts[0]) || strlen($parts[0]) !== 32
+            || !ctype_xdigit($parts[1]) || strlen($parts[1]) !== 64) {
+            return [null, null];
+        }
+
+        return $parts;
+    }
+}