first commit

2026-07-06 20:16:00 +02:00
commit 352e6d9e22
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+<?php
+
+namespace App\Models;
+
+use CodeIgniter\Model;
+
+class InstrumentModel extends Model
+{
+    protected $table         = 'inv_instruments';
+    protected $primaryKey    = 'id';
+    protected $returnType    = 'array';
+    protected $useTimestamps = true;
+    protected $allowedFields = ['name'];
+
+    protected $validationRules = [
+        'name' => 'required|max_length[120]',
+    ];
+
+    /**
+     * Czy instrument ma powiazane operacje lub wyceny (blokada usuniecia).
+     */
+    public function hasChildren(int $id): bool
+    {
+        $ops = (int) $this->db->table('inv_operations')->where('instrument_id', $id)->countAllResults();
+        $val = (int) $this->db->table('inv_valuations')->where('instrument_id', $id)->countAllResults();
+
+        return ($ops + $val) > 0;
+    }
+
+    /**
+     * Ostatnia wycena per instrument: [instrument_id => value].
+     * Ostatnia = najpozniejsza data, przy remisie najwyzsze id.
+     */
+    private function latestValuations(): array
+    {
+        $rows = $this->db->table('inv_valuations')
+            ->select('instrument_id, value')
+            ->orderBy('instrument_id', 'ASC')->orderBy('date', 'ASC')->orderBy('id', 'ASC')
+            ->get()->getResultArray();
+
+        $latest = [];
+        foreach ($rows as $r) {
+            $latest[(int) $r['instrument_id']] = (float) $r['value']; // ostatni wygrywa (posortowane rosnaco)
+        }
+
+        return $latest;
+    }
+
+    /**
+     * Sumy wplat/wyplat per instrument: [instrument_id => ['deposit'=>..,'withdraw'=>..]].
+     */
+    private function operationSums(): array
+    {
+        $rows = $this->db->table('inv_operations')
+            ->select('instrument_id')
+            ->select("SUM(CASE WHEN type='deposit'  THEN amount ELSE 0 END) AS deposit")
+            ->select("SUM(CASE WHEN type='withdraw' THEN amount ELSE 0 END) AS withdraw")
+            ->groupBy('instrument_id')
+            ->get()->getResultArray();
+
+        $sums = [];
+        foreach ($rows as $r) {
+            $sums[(int) $r['instrument_id']] = [
+                'deposit'  => (float) $r['deposit'],
+                'withdraw' => (float) $r['withdraw'],
+            ];
+        }
+
+        return $sums;
+    }
+
+    /**
+     * Instrumenty ze statystykami:
+     * wplacone_netto = Sumwplat - Sumwyplat; wartosc = ostatnia wycena;
+     * zarobek = wartosc - wplacone_netto; procent = zarobek / wplacone_netto * 100 (gdy netto > 0).
+     */
+    public function withStats(): array
+    {
+        $instruments = $this->orderBy('name', 'ASC')->findAll();
+        $latest      = $this->latestValuations();
+        $sums        = $this->operationSums();
+
+        foreach ($instruments as &$ins) {
+            $id       = (int) $ins['id'];
+            $deposit  = $sums[$id]['deposit']  ?? 0.0;
+            $withdraw = $sums[$id]['withdraw'] ?? 0.0;
+            $net      = $deposit - $withdraw;
+            $value    = $latest[$id] ?? 0.0;
+            $profit   = $value - $net;
+
+            $ins['deposit']      = round($deposit, 2);
+            $ins['withdraw']     = round($withdraw, 2);
+            $ins['net_invested'] = round($net, 2);
+            $ins['value']        = round($value, 2);
+            $ins['has_value']    = array_key_exists($id, $latest);
+            $ins['profit']       = round($profit, 2);
+            $ins['percent']      = $net > 0 ? round($profit / $net * 100, 2) : null;
+        }
+
+        return $instruments;
+    }
+
+    /**
+     * Szereg czasowy calego portfela do wykresu.
+     * Dla kazdej daty wyceny: wartosc = suma ostatnich wycen (data <= d) po instrumentach;
+     * wplacone_netto = Sum(deposit - withdraw) o dacie <= d; zarobek = wartosc - wplacone_netto.
+     * Zwraca [ ['date'=>.., 'net'=>.., 'value'=>.., 'profit'=>..], ... ].
+     */
+    public function portfolioTimeline(): array
+    {
+        $dates = $this->db->table('inv_valuations')
+            ->select('date')->distinct()->orderBy('date', 'ASC')
+            ->get()->getResultArray();
+        if (empty($dates)) {
+            return [];
+        }
+
+        $valuations = $this->db->table('inv_valuations')
+            ->select('instrument_id, date, value')
+            ->orderBy('date', 'ASC')->orderBy('id', 'ASC')
+            ->get()->getResultArray();
+
+        $operations = $this->db->table('inv_operations')
+            ->select('date, amount, type')
+            ->get()->getResultArray();
+
+        $out = [];
+        foreach ($dates as $d) {
+            $day = $d['date'];
+
+            // Ostatnia wycena per instrument o dacie <= day
+            $latest = [];
+            foreach ($valuations as $v) {
+                if ($v['date'] <= $day) {
+                    $latest[(int) $v['instrument_id']] = (float) $v['value'];
+                }
+            }
+            $value = array_sum($latest);
+
+            // Wplacone netto o dacie <= day
+            $net = 0.0;
+            foreach ($operations as $o) {
+                if ($o['date'] <= $day) {
+                    $net += $o['type'] === 'deposit' ? (float) $o['amount'] : -(float) $o['amount'];
+                }
+            }
+
+            $out[] = [
+                'date'   => $day,
+                'net'    => round($net, 2),
+                'value'  => round($value, 2),
+                'profit' => round($value - $net, 2),
+            ];
+        }
+
+        return $out;
+    }
+}