add controllers, servoices

2026-03-09 02:52:13 -04:00
parent c8de5f7edc
commit d76c871cb7
501 changed files with 34439 additions and 21843 deletions
@@ -0,0 +1,126 @@
+<?php
+
+namespace App\Services\ClassPreparation;
+
+use App\Models\ClassSection;
+use App\Models\Configuration;
+use Illuminate\Support\Facades\DB;
+
+class ClassPreparationCalculatorService
+{
+    private array $allowedPrepCategories = [
+        'Grade Box',
+        'Large Table',
+        'Regular Chair',
+        'Small Chair',
+        'Small Table',
+        'Teacher Chair',
+        'Trash Bin',
+        'White Board',
+    ];
+
+    public function getAllowedCategories(): array
+    {
+        return $this->allowedPrepCategories;
+    }
+
+    public function getClassLevelBySection(string $classSectionId): int
+    {
+        $sectionName = ClassSection::getClassSectionNameBySectionId($classSectionId);
+        $label = $sectionName !== null && $sectionName !== '' ? (string) $sectionName : $classSectionId;
+
+        if (preg_match('/^(kg|k)(\\b|[^a-z0-9])/i', $label)) {
+            return 1;
+        }
+
+        $numValue = (int) preg_replace('/\\D/', '', $label);
+
+        if ($numValue > 0 && $numValue < 30) {
+            $firstDigit = (int) substr((string) $numValue, 0, 1);
+            return $firstDigit === 1 ? 1 : ($firstDigit === 2 ? 2 : 3);
+        }
+
+        return 3;
+    }
+
+    public function calculatePrepItems(int $students, int $classLevel, string $classSectionId): array
+    {
+        $allowed = $this->allowedPrepCategories;
+        $items = array_fill_keys($allowed, 0);
+
+        $categories = DB::table('inventory_categories')
+            ->select('name', 'grade_min', 'grade_max')
+            ->where('type', 'classroom')
+            ->whereIn('name', $allowed)
+            ->orderBy('name')
+            ->get()
+            ->toArray();
+
+        $isLowerGrades = in_array($classLevel, [1, 2], true);
+        $teacherCount = $this->getTeacherCountForSection(
+            $classSectionId,
+            (string) Configuration::getConfig('school_year')
+        );
+
+        foreach ($categories as $cat) {
+            $name = (string) $cat->name;
+            $gradeMin = $cat->grade_min ?? null;
+            $gradeMax = $cat->grade_max ?? null;
+
+            if ($gradeMin !== null && $classLevel < (int) $gradeMin) {
+                $items[$name] = 0;
+                continue;
+            }
+            if ($gradeMax !== null && $classLevel > (int) $gradeMax) {
+                $items[$name] = 0;
+                continue;
+            }
+
+            $qty = 0;
+            switch (strtolower($name)) {
+                case 'small table':
+                    $qty = $isLowerGrades ? (int) ceil($students / 3) : 0;
+                    break;
+                case 'large table':
+                    $qty = $isLowerGrades ? 0 : (int) ceil($students / 4);
+                    break;
+                case 'small chair':
+                    $qty = $isLowerGrades ? $students : 0;
+                    break;
+                case 'regular chair':
+                    $qty = $isLowerGrades ? 0 : $students;
+                    break;
+                case 'teacher chair':
+                    $qty = (int) $teacherCount;
+                    break;
+                case 'trash bin':
+                case 'white board':
+                case 'grade box':
+                    $qty = 1;
+                    break;
+                default:
+                    $qty = 0;
+            }
+
+            if (array_key_exists($name, $items)) {
+                $items[$name] = $qty;
+            }
+        }
+
+        return $items;
+    }
+
+    private function getTeacherCountForSection(string $classSectionId, ?string $schoolYear = null): int
+    {
+        $schoolYear = $schoolYear ?: (string) Configuration::getConfig('school_year');
+
+        $row = DB::table('teacher_class')
+            ->select('COUNT(*) AS cnt')
+            ->where('class_section_id', $classSectionId)
+            ->whereIn('position', ['main', 'ta'])
+            ->where('school_year', $schoolYear)
+            ->first();
+
+        return (int) ($row->cnt ?? 0);
+    }
+}