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class JournalsForMessage < ApplicationRecord
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belongs_to :jour, :polymorphic => true
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belongs_to :user
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belongs_to :parent, class_name: "JournalsForMessage", foreign_key: "m_parent_id",
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counter_cache: :m_reply_count, optional: true
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has_many :praise_treads, as: :praise_tread_object, dependent: :destroy
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#scope :children, -> {where(m_parent_id: self.id).includes(:user).reorder("created_on asc")}
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#scope :children, -> (discuss_id){ where(parent_id: discuss_id).includes(:user).reorder("created_at asc") }
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scope :parent_comment, -> { where(m_parent_id: nil)}
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scope :search_by_jour_type, lambda{|type,ids| where(jour_type:type,jour_id: ids)}
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has_many :tidings, as: :container, dependent: :destroy
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# "jour_type", # 留言所属类型
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# "jour_id", # 留言所属类型的id
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# "notes", # 留言内容
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# "reply_id", # 留言被回复留言者的用户id(用户a回复了用户b，这是b的id，用以查询谁给b留言了)
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# "status", # 留言是否被查看(弃用)
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# "user_id", # 留言者的id
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# "m_parent_id", # 留言信息的父留言id
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# "is_readed", # 留言是否已读
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# "m_reply_count", # 留言的回复数量
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# "m_reply_id" , # 回复某留言的留言id(a留言回复了b留言，这是b留言的id)
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# "is_comprehensive_evaluation", # 1 教师评论、2 匿评、3 留言
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# "hidden", 隐藏
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after_create :send_tiding
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# course_identity 课堂用户身份
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def contents_show course_identity
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if self.hidden && course_identity >= Course::STUDENT
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nil
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else
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self.notes
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end
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end
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def can_delete course_identity
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course_identity < Course::STUDENT
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end
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def created_at
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self.created_on
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end
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def children page, limit
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JournalsForMessage.includes(:user).where(m_parent_id: self.id).page(page).per(limit).reorder("created_on asc")
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end
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def send_tiding
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# 回复和@同一个人时：只发@的消息（因@的消息先创建）
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case self.jour_type
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# 用户留言当做私信处理 不发消息
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when "Principal"
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=begin
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user_id = self.m_parent_id.present? ? JournalsForMessage.find(self.m_parent_id).user_id : self.jour_id
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if user_id != self.user_id && !self.tidings.where(:user_id => user_id, :trigger_user_id => self.user_id, :tiding_type => "Mentioned").first.present?
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self.tidings << Tiding.new(:trigger_user_id => self.user_id, :user_id => user_id, :parent_container_id => self.jour_id, :parent_container_type => self.jour_type, :belong_container_id => self.jour_id, :belong_container_type => "User", :viewed => 0, :tiding_type => self.m_parent_id.present? ? "Comment" : "Journal")
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end
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=end
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when "HomeworkCommon", "GraduationTopic"
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user_id = self.m_parent_id.present? ? JournalsForMessage.find(self.m_parent_id).user_id : (self.jour_type == "HomeworkCommon" ? self.jour.user_id : self.jour.tea_id)
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if user_id != self.user_id && !self.tidings.where(:user_id => user_id, :trigger_user_id => self.user_id, :tiding_type => "Mentioned").first.present?
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self.tidings << Tiding.new(:trigger_user_id => self.user_id, :user_id => user_id, :parent_container_id => self.jour_id, :parent_container_type => self.jour_type, :belong_container_id => self.jour.course_id, :belong_container_type => "Course", :viewed => 0, :tiding_type => "Comment")
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end
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when "StudentWorksScore"
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course_id = self.jour.try(:student_work).try(:homework_common).try(:course_id)
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user_id = self.m_parent_id.present? ? JournalsForMessage.find(self.m_parent_id).user_id : self.jour.user_id
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if user_id != self.user_id && !self.tidings.where(:user_id => user_id, :trigger_user_id => self.user_id, :tiding_type => "Mentioned").first.present?
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self.tidings << Tiding.new(:trigger_user_id => self.user_id, :user_id => user_id, :parent_container_id => self.jour_id, :parent_container_type => self.jour_type, :belong_container_id => course_id, :belong_container_type => "Course", :viewed => 0, :tiding_type => "Comment")
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end
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end
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end
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end
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