'boolean', 'done_at' => 'datetime', 'due_date' => 'date', ]; public function issue() { return $this->belongsTo(Issue::class); } public function assignee() { return $this->belongsTo(User::class, 'assigned_to'); } public function completer() { return $this->belongsTo(User::class, 'done_by'); } public function media() { return $this->morphMany(Media::class, 'mediable'); } /** Overdue = has a due date in the past and not yet done. */ public function getIsOverdueAttribute(): bool { return ! $this->is_done && $this->due_date && $this->due_date->isPast(); } }