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app/Models/StaffAssignment.php

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+<?php
+
+namespace App\Models;
+
+use Database\Factories\StaffAssignmentFactory;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\HasOne;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class StaffAssignment extends Model
+{
+    /** @use HasFactory<StaffAssignmentFactory> */
+    use HasFactory, SoftDeletes;
+
+    protected $guarded = [];
+
+    protected function casts(): array
+    {
+        return [
+            'assigned_at' => 'datetime',
+        ];
+    }
+
+    public function election(): BelongsTo
+    {
+        return $this->belongsTo(Election::class);
+    }
+
+    public function application(): BelongsTo
+    {
+        return $this->belongsTo(Application::class);
+    }
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function position(): BelongsTo
+    {
+        return $this->belongsTo(Position::class);
+    }
+
+    public function pusatMengundi(): BelongsTo
+    {
+        return $this->belongsTo(PusatMengundi::class);
+    }
+
+    public function saluranMengundi(): BelongsTo
+    {
+        return $this->belongsTo(SaluranMengundi::class);
+    }
+
+    public function reportsTo(): BelongsTo
+    {
+        return $this->belongsTo(self::class, 'reports_to_assignment_id');
+    }
+
+    public function teamMembers(): HasMany
+    {
+        return $this->hasMany(self::class, 'reports_to_assignment_id');
+    }
+
+    public function histories(): HasMany
+    {
+        return $this->hasMany(StaffAssignmentHistory::class);
+    }
+
+    public function attendance(): HasOne
+    {
+        return $this->hasOne(Attendance::class);
+    }
+}