Files
2026-03-08 16:33:24 -04:00

354 lines
12 KiB
PHP

<?php
namespace App\Services\Assignment;
use App\Models\ClassSection;
use App\Models\Configuration;
use App\Models\StudentClass;
use App\Models\TeacherClass;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\DB;
class AssignmentService
{
public function __construct(
protected Configuration $configurationModel,
protected TeacherClass $teacherClassModel,
protected StudentClass $studentClassModel,
protected ClassSection $classSectionModel,
) {}
public function getCurrentSemester(): string
{
return (string) ($this->getConfigValue('semester') ?? '');
}
public function getCurrentSchoolYear(): string
{
return (string) ($this->getConfigValue('school_year') ?? '');
}
protected function getConfigValue(string $key): mixed
{
return $this->configurationModel
->newQuery()
->where('config_key', $key)
->value('config_value');
}
public function getAssignmentsOverview(?string $schoolYear = null, ?string $semester = null): array
{
$currentSemester = $this->getCurrentSemester();
$currentSchoolYear = $this->getCurrentSchoolYear();
$selectedSemester = (string) ($semester ?? $currentSemester);
$selectedYear = (string) ($schoolYear ?? $currentSchoolYear);
$teacherClasses = $this->loadTeacherClasses($selectedYear);
$studentClasses = $this->loadStudentClasses($selectedYear);
$teacherBySection = $teacherClasses->groupBy('class_section_id');
$studentBySection = $studentClasses->groupBy('class_section_id');
$allSectionIds = $teacherBySection->keys()
->merge($studentBySection->keys())
->unique()
->filter()
->values();
$sectionNames = $this->getSectionNamesMap($allSectionIds->all());
$classSections = $allSectionIds->map(function ($sectionId) use (
$teacherBySection,
$studentBySection,
$sectionNames,
$currentSemester,
$currentSchoolYear
) {
$teacherRows = $teacherBySection->get($sectionId, collect());
$studentRows = $studentBySection->get($sectionId, collect());
if ($teacherRows->isEmpty() && $studentRows->isEmpty()) {
return null;
}
$mainTeachers = $teacherRows
->where('position', 'main')
->pluck('teacher_full_name')
->filter()
->unique()
->values();
$teacherAssistants = $teacherRows
->where('position', 'ta')
->pluck('teacher_full_name')
->filter()
->unique()
->values();
$semesterMeta = $this->firstNonEmpty([
$teacherRows->pluck('semester')->first(fn ($v) => filled($v)),
$studentRows->pluck('semester')->first(fn ($v) => filled($v)),
$currentSemester,
]);
$schoolYearMeta = $this->firstNonEmpty([
$teacherRows->pluck('school_year')->first(fn ($v) => filled($v)),
$studentRows->pluck('school_year')->first(fn ($v) => filled($v)),
$currentSchoolYear,
]);
$descriptionMeta = $this->firstNonEmpty([
$teacherRows->pluck('description')->first(fn ($v) => filled($v)),
$studentRows->pluck('description')->first(fn ($v) => filled($v)),
'',
]);
$students = $studentRows
->filter(fn ($row) => !empty($row->student))
->map(function ($row) {
$student = $row->student;
return [
'id' => (int) $student->id,
'firstname' => (string) ($student->firstname ?? ''),
'lastname' => (string) ($student->lastname ?? ''),
'age' => $student->age,
'gender' => (string) ($student->gender ?? ''),
'registration_grade' => (string) ($student->registration_grade ?? ''),
'photo_consent' => (bool) ($student->photo_consent ?? false),
'tuition_paid' => (bool) ($student->tuition_paid ?? false),
'school_id' => (string) ($student->school_id ?? ''),
];
})
->values();
return [
'class_section_id' => (int) $sectionId,
'class_section_name' => (string) ($sectionNames[$sectionId] ?? ''),
'main_teachers' => $mainTeachers->all(),
'teacher_assistants' => $teacherAssistants->all(),
'students' => $students->all(),
'semester' => (string) $semesterMeta,
'school_year' => (string) $schoolYearMeta,
'description' => (string) $descriptionMeta,
];
})
->filter()
->sortBy('class_section_name', SORT_NATURAL | SORT_FLAG_CASE)
->values()
->all();
return [
'classSections' => $classSections,
'schoolYears' => $this->getSchoolYears($currentSchoolYear),
'schoolYear' => $selectedYear,
'selectedYear' => $selectedYear,
'selectedSemester' => $selectedSemester,
'semester' => $currentSemester,
'current_school_year' => $currentSchoolYear,
];
}
public function storeAssignment(array $data, int|string|null $updatedBy = null): StudentClass
{
return $this->studentClassModel->newQuery()->updateOrCreate(
[
'student_id' => $data['student_id'],
'class_section_id' => $data['class_section_id'],
'semester' => $data['semester'],
'school_year' => $data['school_year'],
],
[
'description' => $data['description'] ?? null,
'updated_by' => $updatedBy,
]
);
}
public function getClassAssignmentData(): array
{
$currentSemester = $this->getCurrentSemester();
$currentSchoolYear = $this->getCurrentSchoolYear();
$teacherClasses = $this->loadTeacherClasses();
$studentClasses = $this->loadStudentClasses();
$teacherBySection = $teacherClasses->groupBy('class_section_id');
$studentBySection = $studentClasses->groupBy('class_section_id');
$allSectionIds = $teacherBySection->keys()
->merge($studentBySection->keys())
->unique()
->filter()
->values();
$sectionNames = $this->getSectionNamesMap($allSectionIds->all());
$classSections = $allSectionIds->map(function ($sectionId) use (
$teacherBySection,
$studentBySection,
$sectionNames,
$currentSemester,
$currentSchoolYear
) {
$teacherRows = $teacherBySection->get($sectionId, collect());
$studentRows = $studentBySection->get($sectionId, collect());
if ($teacherRows->isEmpty() && $studentRows->isEmpty()) {
return null;
}
$mainTeachers = $teacherRows
->where('position', 'main')
->pluck('teacher_full_name')
->filter()
->unique()
->values();
$teacherAssistants = $teacherRows
->where('position', 'ta')
->pluck('teacher_full_name')
->filter()
->unique()
->values();
$semesterMeta = $this->firstNonEmpty([
$teacherRows->pluck('semester')->first(fn ($v) => filled($v)),
$studentRows->pluck('semester')->first(fn ($v) => filled($v)),
$currentSemester,
]);
$schoolYearMeta = $this->firstNonEmpty([
$teacherRows->pluck('school_year')->first(fn ($v) => filled($v)),
$studentRows->pluck('school_year')->first(fn ($v) => filled($v)),
$currentSchoolYear,
]);
$descriptionMeta = $this->firstNonEmpty([
$teacherRows->pluck('description')->first(fn ($v) => filled($v)),
$studentRows->pluck('description')->first(fn ($v) => filled($v)),
'',
]);
$students = $studentRows
->filter(fn ($row) => !empty($row->student))
->map(function ($row) {
$student = $row->student;
return [
'id' => (int) $student->id,
'firstname' => (string) ($student->firstname ?? ''),
'lastname' => (string) ($student->lastname ?? ''),
'age' => $student->age,
'gender' => (string) ($student->gender ?? ''),
'registration_grade' => (string) ($student->registration_grade ?? ''),
'photo_consent' => (bool) ($student->photo_consent ?? false),
'tuition_paid' => (bool) ($student->tuition_paid ?? false),
'school_id' => (string) ($student->school_id ?? ''),
];
})
->values();
return [
'class_section_id' => (int) $sectionId,
'class_section_name' => (string) ($sectionNames[$sectionId] ?? ''),
'main_teachers' => $mainTeachers->all(),
'teacher_assistants' => $teacherAssistants->all(),
'students' => $students->all(),
'semester' => (string) $semesterMeta,
'school_year' => (string) $schoolYearMeta,
'description' => (string) $descriptionMeta,
];
})
->filter()
->sortBy('class_section_name', SORT_NATURAL | SORT_FLAG_CASE)
->values()
->all();
return [
'classSections' => $classSections,
'semester' => $currentSemester,
'school_year' => $currentSchoolYear,
];
}
protected function loadTeacherClasses(?string $schoolYear = null): Collection
{
return $this->teacherClassModel
->newQuery()
->with([
'teacher:id,firstname,lastname',
])
->when(filled($schoolYear), fn ($q) => $q->where('school_year', $schoolYear))
->get()
->map(function ($row) {
$row->teacher_full_name = trim(
((string) optional($row->teacher)->firstname) . ' ' .
((string) optional($row->teacher)->lastname)
);
return $row;
});
}
protected function loadStudentClasses(?string $schoolYear = null): Collection
{
return $this->studentClassModel
->newQuery()
->with([
'student:id,firstname,lastname,age,gender,registration_grade,photo_consent,tuition_paid,school_id,is_active',
])
->whereHas('student', fn ($q) => $q->where('is_active', 1))
->when(filled($schoolYear), fn ($q) => $q->where('school_year', $schoolYear))
->get();
}
protected function getSectionNamesMap(array $sectionIds): array
{
if (empty($sectionIds)) {
return [];
}
return $this->classSectionModel
->newQuery()
->whereIn('id', $sectionIds)
->get()
->mapWithKeys(function ($section) {
$name = $section->section_name ?? $section->name ?? '';
return [(int) $section->id => (string) $name];
})
->all();
}
protected function getSchoolYears(string $fallbackYear = ''): array
{
$years = DB::table('teacher_class')
->selectRaw('DISTINCT school_year')
->whereNotNull('school_year')
->orderByDesc('school_year')
->pluck('school_year')
->map(fn ($year) => (string) $year)
->filter()
->values()
->all();
if (empty($years) && $fallbackYear !== '') {
$years[] = $fallbackYear;
}
return $years;
}
protected function firstNonEmpty(array $values): mixed
{
foreach ($values as $value) {
if (filled($value)) {
return $value;
}
}
return null;
}
}