Create AssignUserToSchool action and test.

app/Actions/Schools/AssignUserToSchool.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace App\Actions\Schools;
+
+use App\Exceptions\AuditionAdminException;
+use App\Models\School;
+use App\Models\User;
+
+class AssignUserToSchool
+{
+    public function __invoke(User $user, School $school): void
+    {
+        $this->assign($user, $school);
+    }
+
+    public function assign(User $user, School $school, bool $addDomainToSchool = true): void
+    {
+        if (! User::where('id', $user->id)->exists()) {
+            throw new AuditionAdminException('User does not exist');
+        }
+
+        if (! School::where('id', $school->id)->exists()) {
+            throw new AuditionAdminException('School does not exist');
+        }
+        // Save the old school for logging
+        $oldSchool = $user->school;
+        $affected = [];
+        // Set the new school
+        $user->school_id = $school->id;
+        $user->save();
+        if ($oldSchool) {
+            $message = 'Moved '.$user->full_name().' from school '.$oldSchool->name.' to school '.$school->name;
+            $affected = ['users' => [$user->id], 'schools' => [$oldSchool->id, $school->id]];
+        } else {
+            $message = 'Assigned '.$user->full_name().' to school '.$school->name;
+            $affected = ['users' => [$user->id], 'schools' => [$school->id]];
+        }
+        auditionLog($message, $affected);
+
+        $domainRecorder = app(AddSchoolEmailDomain::class);
+
+        if ($addDomainToSchool) {
+            $domainRecorder($school, $user->emailDomain());
+        }
+    }
+}

app/Providers/AppServiceProvider.php

@@ -24,6 +24,7 @@ use App\Models\EntryFlag;
 use App\Models\Room;
 use App\Models\RoomUser;
 use App\Models\School;
+use App\Models\SchoolEmailDomain;
 use App\Models\ScoreSheet;
 use App\Models\ScoringGuide;
 use App\Models\SeatingLimit;
@@ -36,6 +37,7 @@ use App\Observers\EntryFlagObserver;
 use App\Observers\EntryObserver;
 use App\Observers\RoomObserver;
 use App\Observers\RoomUserObserver;
+use App\Observers\SchoolEmailDomainObserver;
 use App\Observers\SchoolObserver;
 use App\Observers\ScoreSheetObserver;
 use App\Observers\ScoringGuideObserver;
@@ -91,6 +93,7 @@ class AppServiceProvider extends ServiceProvider
         Room::observe(RoomObserver::class);
         RoomUser::observe(RoomUserObserver::class);
         School::observe(SchoolObserver::class);
+        SchoolEmailDomain::observe(SchoolEmailDomainObserver::class);
         ScoreSheet::observe(ScoreSheetObserver::class);
         ScoringGuide::observe(ScoringGuideObserver::class);
         Student::observe(StudentObserver::class);

tests/Feature/app/Actions/Schools/AssignUserToSchoolTest.php

@@ -0,0 +1,58 @@
+<?php
+
+/** @noinspection PhpUnhandledExceptionInspection */
+
+use App\Actions\Schools\AssignUserToSchool;
+use App\Exceptions\AuditionAdminException;
+use App\Models\AuditLogEntry;
+use App\Models\School;
+use App\Models\User;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+
+uses(RefreshDatabase::class);
+
+beforeEach(function () {
+    $this->assigner = app(AssignUserToSchool::class);
+    $this->user = User::factory()->create();
+    $this->school = School::factory()->create();
+});
+
+it('throws an exception if the user does not exist', function () {
+    $newUser = User::factory()->make();
+    $this->assigner->assign($newUser, $this->school);
+})->throws(AuditionAdminException::class, 'User does not exist');
+
+it('throws an exception if the school does not exist', function () {
+    $newSchool = School::factory()->make();
+    $this->assigner->assign($this->user, $newSchool);
+})->throws(AuditionAdminException::class, 'School does not exist');
+
+it('assigns a user to a school', function () {
+    ($this->assigner)($this->user, $this->school);
+    expect($this->user->school_id)->toEqual($this->school->id);
+});
+
+it('logs the assignment of the user to the school', function () {
+    ($this->assigner)($this->user, $this->school);
+    $logEntry = AuditLogEntry::first();
+    expect($logEntry->message)->toEqual('Assigned '.$this->user->full_name().' to school '.$this->school->name);
+});
+
+it('changes a users school assignment', function () {
+    $this->user->school_id = $this->school->id;
+    $this->user->save();
+    $newSchool = School::factory()->create();
+    ($this->assigner)($this->user, $newSchool);
+    $this->user->refresh();
+    expect($this->user->school_id)->toEqual($newSchool->id);
+});
+
+it('logs a change in school assignment', function () {
+    $this->user->school_id = $this->school->id;
+    $this->user->save();
+    $newSchool = School::factory()->create();
+    ($this->assigner)($this->user, $newSchool);
+    $this->user->refresh();
+    $logEntry = AuditLogEntry::first();
+    expect($logEntry->message)->toEqual('Moved '.$this->user->full_name().' from school '.$this->school->name.' to school '.$newSchool->name);
+});