Models

src/Currency.php

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+<?php
+namespace ProVM\Money;
+
+use ProVM\Common\Alias\Model;
+
+/**
+ * @property int $id
+ * @property string $code
+ * @property string $name
+ */
+class Currency extends Model {
+  public static $_table = 'currencies';
+
+  protected $values;
+  public function values(): ?array {
+    if ($this->values === null) {
+      $this->values = $this->parentOf(Value::class, [Model::CHILD_KEY => 'currency_id']);
+    }
+  }
+}

src/Value.php

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+<?php
+namespace ProVM\Money;
+
+use ProVM\Common\Alias\Model;
+use ProVM\Common\Define\Model\DateTime;
+
+/**
+ * @property Currency $currency_id
+ * @property \DateTime $date_time
+ * @property double $value
+ * @property Currency $base_id
+ */
+class Value {
+  use DateTime;
+
+  public static $_table = 'values';
+
+  protected $currency;
+  public function currency(): ?Currency {
+    if ($this->currency === null) {
+      $this->currency = $this->childOf(Currency::class, [Model::SELF_KEY => 'currency_id']);
+    }
+    return $this->currency;
+  }
+  protected $base;
+  public function base(): ?Currency {
+    if ($this->base === null) {
+      $this->base = $this->childOf(Currency::class, [Model::SELF_KEY => 'base_id']);
+    }
+    return $this->base;
+  }
+}