refactor: replace custom CRM with Monica fork

app/Services/Contact/Relationship/DestroyRelationship.php

@@ -0,0 +1,90 @@
+<?php
+
+namespace App\Services\Contact\Relationship;
+
+use App\Services\BaseService;
+use App\Models\Contact\Contact;
+use App\Models\Relationship\Relationship;
+use Illuminate\Database\Eloquent\Builder;
+use App\Services\Contact\Contact\DestroyContact;
+
+class DestroyRelationship extends BaseService
+{
+    /**
+     * Get the validation rules that apply to the service.
+     *
+     * @return array
+     */
+    public function rules()
+    {
+        return [
+            'account_id' => 'required|integer|exists:accounts,id',
+            'relationship_id' => 'required|integer|exists:relationships,id',
+        ];
+    }
+
+    /**
+     * Destroy a relationship.
+     *
+     * @param  array  $data
+     * @return bool
+     */
+    public function execute(array $data): bool
+    {
+        $this->validate($data);
+
+        $relationship = Relationship::where('account_id', $data['account_id'])
+                                    ->findOrFail($data['relationship_id']);
+
+        $relationship->contactIs->throwInactive();
+
+        $otherContact = $relationship->ofContact;
+
+        $this->deleteRelationship($relationship);
+
+        $this->deletePartialContact($otherContact);
+
+        return true;
+    }
+
+    /**
+     * Delete relationship.
+     *
+     * @param  Relationship  $relationship
+     */
+    private function deleteRelationship(Relationship $relationship)
+    {
+        $reverseRelationship = $relationship->reverseRelationship();
+        if ($reverseRelationship) {
+            $reverseRelationship->delete();
+        }
+
+        $relationship->delete();
+    }
+
+    /**
+     * Delete partial contact.
+     *
+     * @param  Contact  $contact
+     */
+    private function deletePartialContact(Contact $contact)
+    {
+        // the contact is partial - if the relationship is deleted, the partial
+        // contact has no reason to exist anymore
+        if ($contact->is_partial) {
+            $otherRelations = Relationship::where('account_id', $contact->account_id)
+                ->where(function (Builder $query) use ($contact) {
+                    return $query->where('of_contact', $contact->id)
+                        ->orWhere('contact_is', $contact->id);
+                })
+                ->count();
+
+            if ($otherRelations == 0) {
+                DestroyContact::dispatch([
+                    'account_id' => $contact->account_id,
+                    'contact_id' => $contact->id,
+                ]);
+            }
+        }
+    }
+}