refactor: replace custom CRM with Monica fork

app/Interfaces/IsJournalableInterface.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace App\Interfaces;
+
+use Illuminate\Database\Eloquent\Relations\MorphOne;
+use Illuminate\Database\Eloquent\Relations\MorphMany;
+
+interface IsJournalableInterface
+{
+    /**
+     * Get all journal entries.
+     *
+     * @return MorphMany
+     */
+    public function journalEntries();
+
+    /**
+     * Get the journal record associated.
+     *
+     * @return MorphOne
+     */
+    public function journalEntry();
+
+    /**
+     * Get all the information of the Entry for the journal.
+     *
+     * @return array
+     */
+    public function getInfoForJournalEntry();
+
+    /**
+     * Delete the Journal Entry associated with the given object.
+     *
+     * @return bool
+     */
+    public function deleteJournalEntry();
+}