53 lines
1.4 KiB
Ruby
53 lines
1.4 KiB
Ruby
class Rate < ActiveRecord::Base
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belongs_to :project
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belongs_to :user
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has_many :time_entries
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validates_presence_of :user_id
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validates_presence_of :date_in_effect
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before_save :unlocked?
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before_destroy :unlocked?
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named_scope :history_for_user, lambda { |user|
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{
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:conditions => { :user_id => user.id },
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:order => 'date_in_effect DESC'
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}
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}
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def locked?
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return self.time_entries.length > 0
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end
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def unlocked?
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return !self.locked?
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end
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# API to find the Rate for a +user+ on a +project+ at a +date+
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def self.for(user, project = nil, date = Date.today.to_s)
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rate = self.for_user_project_and_date(user, project, date)
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return nil if rate.nil?
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return rate.amount
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end
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private
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def self.for_user_project_and_date(user, project, date)
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project_id = project.nil? ? nil : project.id
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return Rate.find(:first,
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:order => 'date_in_effect DESC',
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:conditions => [
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"user_id IN (?) AND project_id IN (?) AND date_in_effect <= ?",
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user.id,
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project_id,
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date
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])
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end
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def self.for_user_and_date(user, date)
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self.for_user_project_and_date(user, nil, date)
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end
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end
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