add dated assignment endpoint

backend/app/Schedule/EloquentScheduleRepository.php

@@ -61,6 +61,40 @@ class EloquentScheduleRepository implements ScheduleRepository
         return $schedules;
     }
 
+    public function findAssignmentsForUserOnDate(
+        User $user,
+        DateTimeImmutable $date,
+    ): array {
+        $assignmentModels = ScheduleAssignmentModel::query()
+            ->select('schedule_assignments.*')
+            ->join(
+                'schedules',
+                'schedules.id',
+                '=',
+                'schedule_assignments.schedule_id',
+            )
+            ->where('schedules.user_id', $user->getId())
+            ->where('schedule_assignments.scheduled_date', $date->format(
+                'Y-m-d',
+            ))
+            ->with('schedule')
+            ->orderByDesc('schedules.id')
+            ->orderBy('schedule_assignments.position')
+            ->orderBy('schedule_assignments.id')
+            ->get();
+        $assignments = [];
+
+        foreach ($assignmentModels as $assignmentModel) {
+            $assignments[] = new AssignmentForDate(
+                scheduleId: $assignmentModel->schedule->id,
+                setName: $assignmentModel->schedule->set_name,
+                assignment: $this->assignmentToDomain($assignmentModel),
+            );
+        }
+
+        return $assignments;
+    }
+
     private function toDomain(ScheduleModel $model, User $user): Schedule
     {
         $assignmentModels = ScheduleAssignmentModel::query()
@@ -71,14 +105,7 @@ class EloquentScheduleRepository implements ScheduleRepository
         $assignments = [];
 
         foreach ($assignmentModels as $assignmentModel) {
-            $assignments[] = new ScheduleAssignment(
-                id: $assignmentModel->id,
-                name: $assignmentModel->element_name,
-                kind: $assignmentModel->element_kind,
-                path: $assignmentModel->element_path,
-                scheduledDate: $this->date($assignmentModel->scheduled_date),
-                position: $assignmentModel->position,
-            );
+            $assignments[] = $this->assignmentToDomain($assignmentModel);
         }
 
         return new Schedule(
@@ -92,6 +119,19 @@ class EloquentScheduleRepository implements ScheduleRepository
         );
     }
 
+    private function assignmentToDomain(
+        ScheduleAssignmentModel $model,
+    ): ScheduleAssignment {
+        return new ScheduleAssignment(
+            id: $model->id,
+            name: $model->element_name,
+            kind: $model->element_kind,
+            path: $model->element_path,
+            scheduledDate: $this->date($model->scheduled_date),
+            position: $model->position,
+        );
+    }
+
     private function date(string $value): DateTimeImmutable
     {
         return new DateTimeImmutable($value, new DateTimeZone('UTC'));