refactor: create models, factories, and seeders for Company, Internship, InternshipStatus, and StudentData

backend/database/factories/InternshipFactory.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace Database\Factories;
+
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends \Illuminate\Database\Eloquent\Factories\Factory<\App\Models\Internship>
+ */
+class InternshipFactory extends Factory
+{
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        return [
+            'user_id' => 0,
+            'company_id' => 0,
+            'start' => fake()->dateTime(),
+            'end' => fake()->dateTime("+30 days"),
+            'year_of_study' => fake()->randomElement([1, 2, 3, 4, 5]),
+            'semester' => fake()->randomElement(["WINTER", "SUMMER"]),
+            'position_description' => fake()->jobTitle(),
+            'agreement' => null,
+        ];
+    }
+}