wip

app/Rules/SymbolValidationRule.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace App\Rules;
+
+use App\Interfaces\MarketData\MarketDataInterface;
+use App\Models\MarketData;
+use Illuminate\Contracts\Validation\ValidationRule;
+
+class SymbolValidationRule implements ValidationRule
+{
+    public $symbol;
+
+    /**
+     * Create a new rule instance.
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+        //
+    }
+
+    /**
+     * Validate the attribute.
+     *
+     * @param  string  $attribute
+     * @param  mixed  $value
+     * @param  \Closure  $fail
+     * @return void
+     */
+    public function validate(string $attribute, mixed $value, \Closure $fail): void
+    {
+        $this->symbol = $value;
+
+        if (MarketData::find($this->symbol)) {
+
+            return;
+        }
+
+        // Check if the symbol exists in the Market Data table first (avoid API call)
+        if (!app(MarketDataInterface::class)->exists($value)) {
+            $fail('The symbol provided (' . $this->symbol . ') is not valid');
+        }
+    }
+}