mirror of
https://github.com/Threnklyn/Klaus.git
synced 2026-05-18 12:13:28 +02:00
Florian Bogenhard
24 lines
662 B
Ruby
24 lines
662 B
Ruby
class Document < ActiveRecord::Base
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belongs_to :doc_type
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belongs_to :professor
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belongs_to :semester
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belongs_to :lesson
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mount_uploader :file, DocumentUploader
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validates :doc_type_id, presence: true
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validates :professor_id, presence: true
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validates :semester_id, presence: true
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validates :lesson_id, presence: true
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validates_presence_of :file
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validates_integrity_of :file
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validates_processing_of :file
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before_validation :set_position
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private
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def set_position
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self.position = (Document.where(doc_type: self.doc_type, professor: self.professor, semester: self.semester, lesson: self.lesson).maximum(:position) || 0) + 1
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end
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end
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