socialforge/app/models/member.rb

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# Redmine - project management software
# Copyright (C) 2006-2013 Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
class Member < ActiveRecord::Base
belongs_to :user
belongs_to :principal, :foreign_key => 'user_id'
has_many :member_roles, :dependent => :destroy
has_many :roles, :through => :member_roles
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belongs_to :project
belongs_to :course
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belongs_to :course_group
validates_presence_of :principal
validates_uniqueness_of :user_id, :scope => [:project_id,:course_id]
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validate :validate_role
before_destroy :set_issue_category_nil
def role
end
def role=
end
def name
self.user.name
end
alias :base_role_ids= :role_ids=
def role_ids=(arg)
ids = (arg || []).collect(&:to_i) - [0]
# Keep inherited roles
ids += member_roles.select {|mr| !mr.inherited_from.nil?}.collect(&:role_id)
new_role_ids = ids - role_ids
# Add new roles
new_role_ids.each {|id| member_roles << MemberRole.new(:role_id => id) }
# Remove roles (Rails' #role_ids= will not trigger MemberRole#on_destroy)
member_roles_to_destroy = member_roles.select {|mr| !ids.include?(mr.role_id)}
if member_roles_to_destroy.any?
member_roles_to_destroy.each(&:destroy)
end
end
def <=>(member)
a, b = roles.sort.first, member.roles.sort.first
if a == b
if principal
principal <=> member.principal
else
1
end
elsif a
a <=> b
else
1
end
end
def deletable?
member_roles.detect {|mr| mr.inherited_from}.nil?
end
def include?(user)
if principal.is_a?(Group)
!user.nil? && user.groups.include?(principal)
else
self.user == user
end
end
def set_issue_category_nil
if user
# remove category based auto assignments for this member
#modify by nwb
if project
IssueCategory.update_all "assigned_to_id = NULL", ["project_id = ? AND assigned_to_id = ?", project.id, user.id]
elsif course
#IssueCategory.update_all "assigned_to_id = NULL", ["course_id = ? AND assigned_to_id = ?", course.id, user.id]
end
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end
end
# Find or initilize a Member with an id, attributes, and for a Principal
def self.edit_membership(id, new_attributes, principal=nil)
@membership = id.present? ? Member.find(id) : Member.new(:principal => principal)
@membership.attributes = new_attributes
@membership
end
# Finds or initilizes a Member for the given project and principal
def self.find_or_new(project, principal)
project_id = project.is_a?(Project) ? project.id : project
principal_id = principal.is_a?(Principal) ? principal.id : principal
member = Member.find_by_project_id_and_user_id(project_id, principal_id)
member ||= Member.new(:project_id => project_id, :user_id => principal_id)
member
end
# 查找每个学生每个作业的评分
def student_homework_score
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homework_score = StudentWork.find_by_sql("SELECT homework_commons.name,student_works.final_score as score
FROM student_works,homework_commons
WHERE student_works.homework_common_id = homework_commons.id
AND homework_commons.course_id = #{self.course_id}
AND student_works.user_id = #{self.user_id}")
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score_count = StudentWork.joins(:homework_common).where("student_works.user_id = #{self.user_id} and homework_commons.course_id = #{self.course_id}").average(:final_score).try(:round, 2).to_f
[homework_score, format("%0.2f", score_count)]
end
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def student_work_score
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StudentWork.select("homework_commons.name, student_works.final_score").joins(:homework_common).where("student_works.user_id = #{self.user_id} and homework_commons.course_id = #{self.course_id}")
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end
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#当前课程的作业列表
def homework_common_list
HomeworkCommon.where(:course_id => self.course_id)
end
#当前学生在指定作业内的得分
def homework_common_score homework_common
StudentWork.select("final_score").where(:homework_common_id => homework_common.id,:user_id => self.user_id)
end
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def student_work_score_avg
StudentWork.joins(:homework_common).where("student_works.user_id = #{self.user_id} and homework_commons.course_id = #{self.course_id}").average(:final_score).try(:round, 2).to_f
end
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protected
def validate_role
errors.add_on_empty :role if member_roles.empty? && roles.empty?
end
def searchTeacherAndAssistant project
#searchPeopleByRoles(project, TeacherRoles)
members = []
project.members.each do |m|
members << m if m && m.user && m.user.allowed_to?(:as_teacher,project)
end
members
end
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end