first commit

2026-07-06 20:16:00 +02:00
commit 352e6d9e22
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+<?php
+
+namespace App\Models;
+
+use CodeIgniter\Model;
+
+class OperationModel extends Model
+{
+    protected $table         = 'operations';
+    protected $primaryKey    = 'id';
+    protected $returnType    = 'array';
+    protected $useTimestamps = true;
+    protected $allowedFields = ['date', 'amount', 'type', 'category_id', 'description'];
+
+    protected $validationRules = [
+        'date'        => 'required|valid_date[Y-m-d]',
+        'amount'      => 'required|decimal|greater_than[0]',
+        'type'        => 'required|in_list[income,expense]',
+        'category_id' => 'permit_empty|is_natural_no_zero',
+        'description' => 'permit_empty|max_length[255]',
+    ];
+
+    /**
+     * Lista operacji z nazwa kategorii, z filtrami.
+     * $f: from, to, category_id, type (wszystkie opcjonalne).
+     */
+    public function filtered(array $f): array
+    {
+        $b = $this->db->table('operations o')
+            ->select('o.*, c.name AS category_name, p.name AS parent_name')
+            ->join('categories c', 'c.id = o.category_id', 'left')
+            ->join('categories p', 'p.id = c.parent_id', 'left');
+
+        if (! empty($f['from'])) {
+            $b->where('o.date >=', $f['from']);
+        }
+        if (! empty($f['to'])) {
+            $b->where('o.date <=', $f['to']);
+        }
+        if (! empty($f['category_id'])) {
+            $b->where('o.category_id', (int) $f['category_id']);
+        }
+        if (! empty($f['type'])) {
+            $b->where('o.type', $f['type']);
+        }
+
+        return $b->orderBy('o.date', 'DESC')->orderBy('o.id', 'DESC')->get()->getResultArray();
+    }
+
+    /**
+     * Sumy przychodow/wydatkow/salda dla zakresu (i opcjonalnych filtrow).
+     */
+    public function totals(array $f): array
+    {
+        $b = $this->db->table('operations o')
+            ->select("SUM(CASE WHEN o.type='income' THEN o.amount ELSE 0 END) AS income")
+            ->select("SUM(CASE WHEN o.type='expense' THEN o.amount ELSE 0 END) AS expense");
+
+        if (! empty($f['from'])) {
+            $b->where('o.date >=', $f['from']);
+        }
+        if (! empty($f['to'])) {
+            $b->where('o.date <=', $f['to']);
+        }
+        if (! empty($f['category_id'])) {
+            $b->where('o.category_id', (int) $f['category_id']);
+        }
+        if (! empty($f['type'])) {
+            $b->where('o.type', $f['type']);
+        }
+
+        $row     = $b->get()->getRowArray() ?: [];
+        $income  = (float) ($row['income'] ?? 0);
+        $expense = (float) ($row['expense'] ?? 0);
+
+        return [
+            'income'  => $income,
+            'expense' => $expense,
+            'balance' => $income - $expense,
+        ];
+    }
+
+    /**
+     * Bilans miesieczny: [ ['ym'=>'2026-07','income'=>..,'expense'=>..], ... ].
+     */
+    public function monthlyBalance(string $from, string $to): array
+    {
+        return $this->db->table('operations')
+            ->select("DATE_FORMAT(date, '%Y-%m') AS ym")
+            ->select("SUM(CASE WHEN type='income' THEN amount ELSE 0 END) AS income")
+            ->select("SUM(CASE WHEN type='expense' THEN amount ELSE 0 END) AS expense")
+            ->where('date >=', $from)->where('date <=', $to)
+            ->groupBy('ym')->orderBy('ym', 'ASC')
+            ->get()->getResultArray();
+    }
+
+    /**
+     * Suma wg kategorii dla danego typu: [ ['name'=>..,'total'=>..], ... ].
+     */
+    public function byCategory(string $from, string $to, string $type): array
+    {
+        $rows = $this->db->table('operations o')
+            ->select('o.category_id, c.name AS cat_name, p.name AS parent_name, SUM(o.amount) AS total')
+            ->join('categories c', 'c.id = o.category_id', 'left')
+            ->join('categories p', 'p.id = c.parent_id', 'left')
+            ->where('o.type', $type)
+            ->where('o.date >=', $from)->where('o.date <=', $to)
+            ->groupBy('o.category_id')->groupBy('c.name')->groupBy('p.name')
+            ->orderBy('total', 'DESC')
+            ->get()->getResultArray();
+
+        // Etykieta = pelna sciezka kategoria -> podkategoria
+        foreach ($rows as &$r) {
+            if (empty($r['cat_name'])) {
+                $r['name'] = '(bez kategorii)';
+            } elseif (! empty($r['parent_name'])) {
+                $r['name'] = $r['parent_name'] . ' → ' . $r['cat_name'];
+            } else {
+                $r['name'] = $r['cat_name'];
+            }
+        }
+
+        return $rows;
+    }
+
+    /**
+     * Saldo skumulowane w czasie: [ ['date'=>..,'balance'=>..], ... ].
+     */
+    public function runningBalance(string $from, string $to): array
+    {
+        $rows = $this->db->table('operations')
+            ->select('date')
+            ->select("SUM(CASE WHEN type='income' THEN amount ELSE -amount END) AS net")
+            ->where('date >=', $from)->where('date <=', $to)
+            ->groupBy('date')->orderBy('date', 'ASC')
+            ->get()->getResultArray();
+
+        $balance = 0.0;
+        $out     = [];
+        foreach ($rows as $r) {
+            $balance += (float) $r['net'];
+            $out[] = ['date' => $r['date'], 'balance' => round($balance, 2)];
+        }
+
+        return $out;
+    }
+}