1class Mission < ActiveRecord:: Base
  
2
  
3    has_many :comments
  
4
  
5
  
6    validates :name, presence: true
  
7    validates :deadline, presence: true
  
8    validates :priority, presence: true
  
 9    validates :status, presence: true
  
10    validates :content, presence: true
  
11
  
12    validates :project_id, presence: true
  
13
  
14
  
15    validate :priority_is_among_valid_values
  
16    validate :status_is_among_valid_values
  
17
  
18    validate :project_exists, on: :create
  
19
  
20    private
  
21
  
22        def priority_is_among_valid_values
  
23
  
24            if priority != 1 and  priority != 2 and priority != 3
  
25                errors[:priority] = "priority is not among valid values"
  
26            end
  
27        end
  
28
  
29        def status_is_among_valid_values
  
30
  
31            if  status != 1 and  status != 2 and status != 3 and status != 4
  
32                errors[:status] = "status is not among valid values"
  
33            end
  
34        end
  
35
  
36        def project_exists
  
37            #puts project_id
  
38            project = Project.find_by(id: project_id)
  
39            #puts project.inspect
  
40            if project == nil
  
41                errors[:project_id] = "project_id is not exist"
  
42            end
  
43
  
44        end
  
45
  
46
  
47end