reconstruction of the project

app/Services/Administrator/TeacherSubmissionNotificationService.php

@@ -0,0 +1,161 @@
+<?php
+
+namespace App\Services\Administrator;
+
+use App\Models\ClassSection;
+use App\Models\TeacherSubmissionNotificationHistory;
+use App\Models\User;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Log;
+use Illuminate\Support\Facades\Mail;
+
+class TeacherSubmissionNotificationService
+{
+    public function __construct(
+        protected AdministratorSharedService $shared,
+        protected TeacherSubmissionSupportService $support
+    ) {
+    }
+
+    public function send(Request $request, int $adminId): array
+    {
+        $notify = $request->input('notify');
+        if (!is_array($notify)) {
+            return [
+                'success' => false,
+                'message' => 'Select at least one teacher to notify.',
+                'status' => 422,
+            ];
+        }
+
+        $missingItemsPayload = $request->input('missing_items', []);
+        $targets = $this->extractTargets($notify);
+
+        if (empty($targets)) {
+            return [
+                'success' => false,
+                'message' => 'Select at least one teacher to notify.',
+                'status' => 422,
+            ];
+        }
+
+        $teacherIds = array_values(array_unique(array_column($targets, 'teacher_id')));
+        $classSectionIds = array_values(array_unique(array_column($targets, 'class_section_id')));
+
+        $classSections = ClassSection::query()
+            ->select('class_section_id', 'class_section_name')
+            ->whereIn('class_section_id', $classSectionIds)
+            ->get()
+            ->keyBy('class_section_id');
+
+        $teachers = User::query()
+            ->select('id', 'firstname', 'lastname', 'email')
+            ->whereIn('id', $teacherIds)
+            ->get()
+            ->keyBy('id');
+
+        $adminUser = User::find($adminId);
+        $adminName = trim(($adminUser->firstname ?? '') . ' ' . ($adminUser->lastname ?? '')) ?: 'Administrator';
+
+        $scoreUrl = url('/');
+        $sentCount = 0;
+        $failCount = 0;
+
+        foreach ($targets as $target) {
+            $classSectionId = (int) $target['class_section_id'];
+            $teacherId = (int) $target['teacher_id'];
+
+            $teacher = $teachers->get($teacherId);
+            $sectionName = $classSections->get($classSectionId)?->class_section_name ?? "Section {$classSectionId}";
+            $teacherName = trim(($teacher->firstname ?? '') . ' ' . ($teacher->lastname ?? '')) ?: 'Teacher';
+
+            $missingPayload = $missingItemsPayload[$classSectionId][$teacherId] ?? '';
+            $missingItems = $this->support->parseMissingItemsPayload((string) $missingPayload);
+
+            $missingNote = !empty($missingItems)
+                ? '<p>Outstanding items: ' . e($this->support->formatMissingItemsText($missingItems)) . '.</p>'
+                : '<p>Our records show no outstanding submissions for this section, but please verify if anything still needs attention.</p>';
+
+            $subject = "Reminder: Complete submissions for {$sectionName}";
+            $body = "<p>Dear {$teacherName},</p>"
+                . "<p>Administration is gently reminding you to wrap up any remaining score submissions and/or comments for {$sectionName}.</p>"
+                . $missingNote
+                . "<p>Visit <a href=\"{$scoreUrl}\">Teacher Score Submission</a> to address any remaining items.</p>"
+                . "<p>Thank you,<br>{$adminName}</p>";
+
+            $email = $teacher->email ?? '';
+            $status = 'failed';
+
+            if (!empty($email) && filter_var($email, FILTER_VALIDATE_EMAIL)) {
+                try {
+                    Mail::html($body, function ($message) use ($email, $subject) {
+                        $message->to($email)->subject($subject);
+                    });
+                    $status = 'sent';
+                } catch (\Throwable $e) {
+                    Log::error('Teacher submission notification failed: ' . $e->getMessage());
+                }
+            }
+
+            if ($status === 'sent') {
+                $sentCount++;
+            } else {
+                $failCount++;
+            }
+
+            TeacherSubmissionNotificationHistory::create([
+                'teacher_id' => $teacherId,
+                'class_section_id' => $classSectionId,
+                'admin_id' => $adminId,
+                'notification_category' => 'teacher_submissions',
+                'message' => $this->support->truncateNotificationMessage($body),
+                'status' => $status,
+                'school_year' => $this->shared->getSchoolYear(),
+                'semester' => $this->shared->getSemester(),
+                'sent_at' => now(),
+            ]);
+        }
+
+        $parts = [];
+        if ($sentCount > 0) {
+            $parts[] = $sentCount . ' reminder' . ($sentCount === 1 ? '' : 's') . ' sent';
+        }
+        if ($failCount > 0) {
+            $parts[] = $failCount . ' reminder' . ($failCount === 1 ? '' : 's') . ' failed';
+        }
+
+        return [
+            'success' => $failCount === 0,
+            'message' => !empty($parts) ? implode(' and ', $parts) : 'No notifications were sent.',
+            'sent' => $sentCount,
+            'failed' => $failCount,
+            'status' => $failCount === 0 ? 200 : 207,
+        ];
+    }
+
+    protected function extractTargets(array $notify): array
+    {
+        $targets = [];
+
+        foreach ($notify as $sectionIdRaw => $teachers) {
+            $sectionId = (int) $sectionIdRaw;
+            if ($sectionId <= 0 || !is_array($teachers)) {
+                continue;
+            }
+
+            foreach ($teachers as $teacherIdRaw => $value) {
+                $teacherId = (int) $teacherIdRaw;
+                if ($teacherId <= 0 || $value === null || $value === '') {
+                    continue;
+                }
+
+                $targets["{$sectionId}_{$teacherId}"] = [
+                    'class_section_id' => $sectionId,
+                    'teacher_id' => $teacherId,
+                ];
+            }
+        }
+
+        return array_values($targets);
+    }
+}