117 lines
3.6 KiB
Ruby
117 lines
3.6 KiB
Ruby
# -*- coding: utf-8 -*-
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class Task < ActiveRecord::Base
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has_many :assignments, :dependent => :destroy
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has_many :users, :through => :assignments
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belongs_to :workgroup
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belongs_to :periodic_task_group
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scope :non_group, where(workgroup_id: nil, done: false)
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scope :done, where(done: true)
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scope :undone, where(done: false)
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attr_accessor :current_user_id
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# form will send user in string. responsibilities will added later
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attr_protected :users
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validates :name, :presence => true, :length => { :minimum => 3 }
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validates :required_users, :presence => true
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validates_numericality_of :duration, :required_users, :only_integer => true, :greater_than => 0
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validates_length_of :description, maximum: 250
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validates :done, exclusion: { in: [true] }, if: :periodic?, on: :create
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before_save :exclude_from_periodic_task_group, if: :changed?, unless: :new_record?
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after_save :update_ordergroup_stats
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# Find all tasks, for which the current user should be responsible
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# but which aren't accepted yet
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def self.unaccepted_tasks_for(user)
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user.tasks.undone.where(assignments: {accepted: false})
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end
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# Find all accepted tasks, which aren't done
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def self.accepted_tasks_for(user)
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user.tasks.undone.where(assignments: {accepted: true})
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end
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# find all tasks in the next week (or another number of days)
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def self.next_assigned_tasks_for(user, number = 7)
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user.tasks.undone.where(assignments: {accepted: true}).
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where(["tasks.due_date >= ? AND tasks.due_date <= ?", Time.now, number.days.from_now])
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end
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# count tasks with not enough responsible people
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# tasks for groups the user is not a member are ignored
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def self.unassigned_tasks_for(user)
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undone.includes(:assignments, workgroup: :memberships).select do |task|
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!task.enough_users_assigned? and
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(!task.workgroup or task.workgroup.memberships.detect { |m| m.user_id == user.id })
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end
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end
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def periodic?
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not periodic_task_group.nil?
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end
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def is_assigned?(user)
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self.assignments.detect {|ass| ass.user_id == user.id }
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end
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def is_accepted?(user)
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self.assignments.detect {|ass| ass.user_id == user.id && ass.accepted }
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end
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def enough_users_assigned?
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assignments.to_a.count(&:accepted) >= required_users ? true : false
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end
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def still_required_users
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required_users - assignments.to_a.count(&:accepted)
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end
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# Get users from comma seperated ids
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# and makes the users responsible for the task
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# TODO: check for maximal number of users
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def user_list=(ids)
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list = ids.split(",").map(&:to_i)
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new_users = (list - users.collect(&:id)).uniq
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old_users = users.reject { |user| list.include?(user.id) }
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self.class.transaction do
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# delete old assignments
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if old_users.any?
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assignments.where(user_id: old_users.map(&:id)).each(&:destroy)
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end
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# create new assignments
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new_users.each do |id|
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user = User.find(id)
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if user.blank?
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errors.add(:user_list)
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else
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if id == current_user_id.to_i
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# current_user will accept, when he puts himself to the list of users
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self.assignments.build :user => user, :accepted => true
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else
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# normal assignement
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self.assignments.build :user => user
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end
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end
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end
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end
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end
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def user_list
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@user_list ||= users.collect(&:id).join(", ")
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end
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def update_ordergroup_stats(user_ids = self.user_ids)
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Ordergroup.joins(:users).where(users: {id: user_ids}).each(&:update_stats!)
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end
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def exclude_from_periodic_task_group
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self.periodic_task_group = nil
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true
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end
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end
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