Association in mongoid - ruby-on-rails

Question

I have three models, Employee, Job, LeaveDay. like below:
class Employee
field :name
belongs_to :job
end
class Job
field :job_title
has_many :employees
has_many :leave_days
end
class LeaveDay
belongs_to :job
field :no_of_leave_days
end
I want to establish an relationship in which I want to track no_of_leave_days of employee related to their job. How is it possible. Thanks in advance.

Answer 1

i think u need to add 'belongs_to: employee' in LeaveDay and 'has_many: leave_days' in Employee. so, #emp.leave_days will get u all the leave for all the jobs of a particular employee. similarly, #emp.job.leave_days will return the leave_days for the current job of the cuttent employee.

Answer 2

I'm not really familiar with Mongoid. You may read here more about relations in mongoid.
It's very easy example. Hope it'll help.
This is models definition:
class Employee
include Mongoid::Document
field :name
belongs_to :job
end
class Job
include Mongoid::Document
field :job_title
has_many :employees
embeds_many :leave_days
end
class LeaveDay
include Mongoid::Document
embedded_in :job
field :no_of_leave_days
end
And example of usage:
pry(main)> j = Job.create(job_title: "Test Job")
=> #<Job _id: 510633e0784931179a000001, _type: nil, job_title: "Test Job">
pry(main)> LeaveDay.create(job: j, no_of_leave_days: 1)
=> #<LeaveDay _id: 5106348f784931179a000002, _type: nil, no_of_leave_days: 1>
pry(main)> LeaveDay.create(job: j, no_of_leave_days: 2)
=> #<LeaveDay _id: 51063687784931179a000003, _type: nil, no_of_leave_days: 2>
pry(main)> LeaveDay.create(job: j, no_of_leave_days: 3)
=> #<LeaveDay _id: 51063689784931179a000004, _type: nil, no_of_leave_days: 3>
pry(main)> Job.first.leave_days.map(&:no_of_leave_days)
=> [1, 2, 3]
pry(main)> Employee.create(name: 'Employee name', job: Job.first)
=> #<Employee _id: 510637cf784931179a000005, _type: nil, name: "Employee name", job_id: "510633e0784931179a000001">
pry(main)> Employee.first.job.leave_days.map(&:no_of_leave_days)
=> [1, 2, 3]