add projet

app/Models/ClassSection.php

@@ -0,0 +1,130 @@
+<?php
+namespace App\Models;
+
+use App\Models\BaseModel;
+
+class ClassSection extends BaseModel
+{
+    protected $table = 'classSection'; // Correct table name
+    protected $primaryKey = 'id'; // Specify the primary key field
+    protected $fillable = [
+        'class_id',
+        'class_section_id',
+        'class_section_name',
+        'created_at',
+        'updated_at',
+        'semester',
+        'school_year',
+    ];
+    public $timestamps = true;
+    const CREATED_AT = 'created_at';
+    const UPDATED_AT = 'updated_at';
+
+    // Set default return type
+
+    // Method to get class sections with class and section names
+    public function getClassSections(?string $schoolYear = null, ?string $semester = null)
+    {
+        $builder = $this->select('ClassSection.*', 'classes.class_name', 'sections.section_name')
+            ->join('classes', 'ClassSection.class_id', '=', 'classes.id')
+            ->leftJoin('sections', 'ClassSection.class_section_id', '=', 'sections.id');
+
+        if ($schoolYear !== null) {
+            $builder->where('ClassSection.school_year', $schoolYear);
+        }
+
+        if ($semester !== null) {
+            $builder->where('ClassSection.semester', $semester);
+        }
+
+        return $builder->findAll();
+    }
+
+    public function getCurrentAcademicSection(int $classId, string $schoolYear, string $semester): ?array
+    {
+        return $this->newQuery()
+            ->where('class_id', $classId)
+            ->where('school_year', $schoolYear)
+            ->where('semester', $semester)
+            ->orderBy('class_section_name', 'ASC')
+            ->first();
+    }
+
+    /**
+ * Get the parent class_id for a given class_section_id.
+ *
+ * @param int|string $classSectionId
+ * @return int|null  class_id if found, otherwise null
+ */
+public function getClassId($classSectionId): ?int
+{
+    if ($classSectionId === null || $classSectionId === '') {
+        return null;
+    }
+
+    $row = $this->select('class_id')
+                ->where('class_section_id', $classSectionId)
+                ->orderBy($this->primaryKey, 'DESC') // in case of duplicates, take latest
+                ->first();
+
+    return $row ? (int) $row['class_id'] : null;
+}
+
+    /**
+     * Get the class_section_name for a given section_id.
+     *
+     * @param int|string $sectionId
+     * @return string|null
+     */
+    public function getClassSectionNameBySectionId($sectionId)
+    {
+        $result = $this->where('class_section_id', $sectionId)->first();
+        return $result['class_section_name'] ?? null;
+    }
+
+    public function getClassSectionNameByClassId($classId)
+    {
+        $result = $this->where('class_id', $classId)->first();
+        return $result['class_section_name'] ?? null;
+    }
+
+    /**
+     * Get section ID from class section name.
+     *
+     * @param string $classSectionName The name of the class section.
+     * @return mixed The section ID or null if no match is found.
+     */
+    public function getSectionIDFromClassSectionName($classSectionName)
+    {
+        // Query the table to find the class section by its name
+        $result = $this->where('class_section_name', $classSectionName)
+                       ->first(); // Get the first result (assuming class section name is unique)
+
+        // Return the class section_id if the result is found, otherwise return null
+        return $result ? $result['class_section_id'] : null;
+    }
+
+    /**
+     * Return the base (non-letter) section row for a given class_id. E.g., '3' vs '3-A'.
+     */
+    public function getBaseSectionByClassId(int $classId): ?array
+    {
+        // Heuristic: names without a dash are base sections (e.g., '3', 'KG', 'youth')
+        return $this->where('class_id', $classId)
+            ->where("class_section_name NOT LIKE '%-%'", null, false)
+            ->orderBy('id', 'ASC')
+            ->first();
+    }
+
+    /**
+     * Return lettered sections for a class (e.g., '3-A','3-B',...). Ordered by name asc.
+     */
+    public function getLetterSectionsByClassId(int $classId): array
+    {
+        return $this->where('class_id', $classId)
+            ->like('class_section_name', '-', 'both')
+            ->orderBy('class_section_name', 'ASC')
+            ->findAll();
+    }
+
+}