first commit

2026-07-06 20:16:00 +02:00
commit 352e6d9e22
147 changed files with 12242 additions and 0 deletions
@@ -0,0 +1,85 @@
+<?php
+
+namespace App\Models;
+
+use CodeIgniter\Model;
+
+class CategoryModel extends Model
+{
+    protected $table            = 'categories';
+    protected $primaryKey       = 'id';
+    protected $returnType       = 'array';
+    protected $useTimestamps    = true;
+    protected $allowedFields    = ['name', 'type', 'parent_id'];
+
+    protected $validationRules = [
+        'name'      => 'required|max_length[100]',
+        'type'      => 'required|in_list[income,expense]',
+        'parent_id' => 'permit_empty|is_natural_no_zero',
+    ];
+
+    /**
+     * Plaska lista kategorii, opcjonalnie filtrowana typem.
+     */
+    public function flatList(?string $type = null): array
+    {
+        $builder = $this->orderBy('type', 'ASC')->orderBy('name', 'ASC');
+        if ($type !== null && $type !== '') {
+            $builder = $builder->where('type', $type);
+        }
+
+        return $builder->findAll();
+    }
+
+    /**
+     * Czy kategoria jest uzywana przez jakies operacje.
+     */
+    public function usedByOperations(int $id): bool
+    {
+        return (bool) model(OperationModel::class)->where('category_id', $id)->countAllResults();
+    }
+
+    /**
+     * Kategorie w porzadku drzewa, posortowane po nazwie na kazdym poziomie.
+     * Kazdy element dostaje 'depth' oraz 'indent_label' (nazwa z wcieciem) do list i selectow.
+     */
+    public function tree(?string $type = null): array
+    {
+        $builder = $this->orderBy('name', 'ASC');
+        if ($type !== null && $type !== '') {
+            $builder->where('type', $type);
+        }
+        $all = $builder->findAll();
+
+        // Grupowanie dzieci wg rodzica (0 = korzen)
+        $childrenByParent = [];
+        foreach ($all as $c) {
+            $childrenByParent[(int) ($c['parent_id'] ?: 0)][] = $c;
+        }
+
+        $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, $indent): void {
+            foreach ($childrenByParent[$parentId] ?? [] as $c) {
+                $c['depth']        = $depth;
+                $c['indent_label'] = str_repeat($indent, $depth) . $c['name'];
+                $out[]             = $c;
+                $walk((int) $c['id'], $depth + 1);
+            }
+        };
+        $walk(0, 0);
+
+        // Sieroty (np. rodzic odfiltrowany typem) — dopnij na koncu bez wciecia
+        $seen = array_column($out, null, 'id');
+        foreach ($all as $c) {
+            if (! isset($seen[$c['id']])) {
+                $c['depth']        = 0;
+                $c['indent_label'] = $c['name'];
+                $out[]             = $c;
+            }
+        }
+
+        return $out;
+    }
+}