feat: implement BaseIntegrationService and TelepagosIntegrationService with integration handling and header generation

app/Domains/Integration/Services/BaseIntegrationService.php

@@ -0,0 +1,141 @@
+<?php
+
+namespace App\Domains\Integration\Services;
+
+use App\Domains\Integration\Models\Integration;
+use App\Domains\Integration\Models\TenantIntegration;
+use Exception;
+
+abstract class BaseIntegrationService
+{
+    /**
+     * The unique code of the integration.
+     *
+     * @var string
+     */
+    protected string $integrationCode;
+
+    /**
+     * The current tenant code.
+     *
+     * @var string
+     */
+    protected string $tenantCode;
+
+    /**
+     * The integration model instance.
+     *
+     * @var Integration|null
+     */
+    protected ?Integration $integration = null;
+
+    /**
+     * The tenant-specific integration model instance.
+     *
+     * @var TenantIntegration|null
+     */
+    protected ?TenantIntegration $tenantIntegration = null;
+
+    /**
+     * Set the integration code.
+     *
+     * @param string $integrationCode
+     * @return $this
+     */
+    public function setIntegrationCode(string $integrationCode): self
+    {
+        $this->integrationCode = $integrationCode;
+        return $this;
+    }
+
+    /**
+     * Get the integration code.
+     *
+     * @return string
+     */
+    public function getIntegrationCode(): string
+    {
+        return $this->integrationCode;
+    }
+
+    /**
+     * Set the tenant code and load the integration models.
+     *
+     * @param string $tenantCode
+     * @return $this
+     * @throws Exception
+     */
+    public function forTenant(string $tenantCode): self
+    {
+        $this->tenantCode = $tenantCode;
+        $this->loadIntegration();
+        return $this;
+    }
+
+    /**
+     * Load the Integration and TenantIntegration models.
+     *
+     * @throws Exception
+     */
+    protected function loadIntegration(): void
+    {
+        if (empty($this->integrationCode)) {
+            throw new Exception("Integration code is not set.");
+        }
+
+        $this->integration = Integration::where('integration_code', $this->integrationCode)->first();
+        if (!$this->integration) {
+            throw new Exception("Integration with code '{$this->integrationCode}' not found.");
+        }
+
+        $this->tenantIntegration = TenantIntegration::where('tenant_code', $this->tenantCode)
+            ->where('integration_code', $this->integrationCode)
+            ->first();
+
+        if (!$this->tenantIntegration) {
+            throw new Exception("Tenant '{$this->tenantCode}' does not have integration '{$this->integrationCode}' configured.");
+        }
+    }
+
+    /**
+     * Build the request URL.
+     *
+     * @param string $path
+     * @return string
+     * @throws Exception
+     */
+    public function getUrl(string $path = ''): string
+    {
+        if (!$this->integration) {
+            throw new Exception("Integration is not loaded. Call forTenant() first.");
+        }
+
+        $baseUrl = rtrim($this->integration->url, '/');
+        $path = ltrim($path, '/');
+
+        return $path !== '' ? "{$baseUrl}/{$path}" : $baseUrl;
+    }
+
+    /**
+     * Get integration setting by key from tenant's integration data.
+     *
+     * @param string $key
+     * @param mixed $default
+     * @return mixed
+     */
+    protected function getIntegrationSetting(string $key, mixed $default = null): mixed
+    {
+        if (!$this->tenantIntegration || !$this->tenantIntegration->integration_data) {
+            return $default;
+        }
+
+        return $this->tenantIntegration->integration_data[$key] ?? $default;
+    }
+
+    /**
+     * Get the headers for the integration.
+     *
+     * @return array
+     */
+    abstract public function getHeaders(): array;
+}

app/Domains/Integration/Services/TelepagosIntegrationService.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace App\Domains\Integration\Services;
+
+use Exception;
+
+class TelepagosIntegrationService extends BaseIntegrationService
+{
+    /**
+     * TelepagosIntegrationService constructor.
+     *
+     * @param string $integrationCode
+     */
+    public function __construct(string $integrationCode = 'telepagos')
+    {
+        $this->integrationCode = $integrationCode;
+    }
+
+    /**
+     * Get the headers for Telepagos integration.
+     *
+     * @return array
+     * @throws Exception
+     */
+    public function getHeaders(): array
+    {
+        if (!$this->tenantIntegration) {
+            throw new Exception("Tenant integration is not loaded. Call forTenant() first.");
+        }
+
+        $username = $this->getIntegrationSetting('username');
+        $password = $this->getIntegrationSetting('password');
+
+        if (empty($username) || empty($password)) {
+            throw new Exception("Missing username or password in Telepagos integration settings.");
+        }
+
+        return [
+            'Authorization' => 'Basic ' . base64_encode($username . ':' . $password),
+            'Content-Type' => 'application/json',
+            'Accept' => 'application/json',
+        ];
+    }
+}