Added billable rates; Added project members; Added visibility to projects

app/Service/BillableRateService.php

@@ -0,0 +1,59 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service;
+
+use App\Models\Membership;
+use App\Models\Organization;
+use App\Models\Project;
+use App\Models\ProjectMember;
+use App\Models\TimeEntry;
+
+class BillableRateService
+{
+    public function getBillableRateForTimeEntry(TimeEntry $timeEntry): ?int
+    {
+        if (! $timeEntry->billable) {
+            return null;
+        }
+        if ($timeEntry->project_id !== null) {
+            // Project member rate
+            /** @var ProjectMember|null $projectMember */
+            $projectMember = ProjectMember::query()
+                ->where('user_id', '=', $timeEntry->user_id)
+                ->where('project_id', '=', $timeEntry->project_id)
+                ->first();
+            if ($projectMember !== null && $projectMember->billable_rate !== null) {
+                return $projectMember->billable_rate;
+            }
+
+            // Project rate
+            /** @var Project|null $project */
+            $project = Project::find($timeEntry->project_id);
+            if ($project !== null && $project->billable_rate !== null) {
+                return $project->billable_rate;
+            }
+        }
+        // Member rate
+        /** @var Membership|null $membership */
+        $membership = Membership::query()
+            ->where('user_id', '=', $timeEntry->user_id)
+            ->where('organization_id', '=', $timeEntry->organization_id)
+            ->first();
+        if ($membership !== null && $membership->billable_rate !== null) {
+            return $membership->billable_rate;
+        }
+
+        // Organization rate
+        /** @var Organization|null $organization */
+        $organization = Organization::query()
+            ->where('id', '=', $timeEntry->organization_id)
+            ->first();
+        if ($organization !== null && $organization->billable_rate !== null) {
+            return $organization->billable_rate;
+        }
+
+        return null;
+    }
+}