680 lines
24 KiB
Ruby
680 lines
24 KiB
Ruby
# Redmine - project management software
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# Copyright (C) 2006-2013 Jean-Philippe Lang
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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require "digest/md5"
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require "fileutils"
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require 'elasticsearch/model'
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class Attachment < ActiveRecord::Base
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belongs_to :container, :polymorphic => true
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belongs_to :project, foreign_key: 'container_id', conditions: "attachments.container_type = 'Project'"
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belongs_to :course, foreign_key: 'container_id', conditions: "attachments.container_type = 'Course'"
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belongs_to :org_subfield, foreign_key: 'container_id', conditions: "attachements.container_type = 'OrgSubfield'"
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belongs_to :softapplication, foreign_key: 'container_id', conditions: "attachments.container_type = 'Softapplication'"
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belongs_to :author, :class_name => "User", :foreign_key => "author_id"
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belongs_to :attachmentstype, :foreign_key => "attachtype",:primary_key => "id"
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# 被ForgeActivity虚拟关联
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has_many :forge_acts, :class_name => 'ForgeActivity',:as =>:forge_act ,:dependent => :destroy
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has_many :forwards, :as => :from, :dependent => :destroy
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# 课程动态
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has_many :course_acts, :class_name => 'CourseActivity',:as =>:course_act ,:dependent => :destroy
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# end
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include UserScoreHelper
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has_many :attachment_histories
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validates :filename, presence: true, length: {maximum: 254}
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validates :author, presence: true
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validates :disk_filename, length: {maximum: 254}
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validates :description, length: {maximum: 254}
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validate :validate_max_file_size
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#elasticsearch
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include Elasticsearch::Model
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include ApplicationHelper
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#elasticsearch kaminari init
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Kaminari::Hooks.init
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Elasticsearch::Model::Response::Response.__send__ :include, Elasticsearch::Model::Response::Pagination::Kaminari
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settings index: { number_of_shards: 5 } do
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mappings dynamic: 'false' do
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indexes :filename, analyzer: 'smartcn',index_options: 'offsets'
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indexes :downloads, index:"not_analyzed",index_options: 'offsets'
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end
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end
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acts_as_taggable
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acts_as_event :title => :filename,
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:url => Proc.new {|o| {:controller => 'attachments', :action => 'download', :id => o.id, :filename => o.filename}}
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#课程资源文件
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acts_as_activity_provider :type => 'course_files',
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:is_public => 'attachments.is_public',
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:permission => :view_files,
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:author_key => :author_id,
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:find_options => {:select => "#{Attachment.table_name}.*",
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:joins => "LEFT JOIN #{Course.table_name} ON ( #{Attachment.table_name}.container_type='Course' AND #{Attachment.table_name}.container_id = #{Course.table_name}.id )"}
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acts_as_activity_provider :type => 'files',
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:is_public => 'attachments.is_public',
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:permission => :view_files,
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:author_key => :author_id,
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:find_options => { :select => "#{Attachment.table_name}.*",
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:joins => "LEFT JOIN #{Version.table_name} ON #{Attachment.table_name}.container_type='Version' AND #{Version.table_name}.id = #{Attachment.table_name}.container_id " +
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"LEFT JOIN #{Project.table_name} ON #{Version.table_name}.project_id = #{Project.table_name}.id OR ( #{Attachment.table_name}.container_type='Project' AND #{Attachment.table_name}.container_id = #{Project.table_name}.id )"}
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acts_as_activity_provider :type => 'documents',
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:is_public => 'documents.is_public',
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:permission => :view_documents,
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:author_key => :author_id,
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:find_options => {:select => "#{Attachment.table_name}.*",
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:joins => "LEFT JOIN #{Document.table_name} ON #{Attachment.table_name}.container_type='Document' AND #{Document.table_name}.id = #{Attachment.table_name}.container_id " +
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"LEFT JOIN #{Project.table_name} ON #{Document.table_name}.project_id = #{Project.table_name}.id"}
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cattr_accessor :storage_path
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@@storage_path = Redmine::Configuration['attachments_storage_path'] || File.join(Rails.root, "files")
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cattr_accessor :thumbnails_storage_path
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@@thumbnails_storage_path = File.join(Rails.root, "tmp", "thumbnails")
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before_save :files_to_final_location
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after_save :act_as_course_activity
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after_create :office_conver, :be_user_score,:act_as_forge_activity,:create_attachment_ealasticsearch_index
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after_update :office_conver, :be_user_score,:update_attachment_ealasticsearch_index
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after_destroy :delete_from_disk,:down_user_score,:delete_attachment_ealasticsearch_index, :decrease_attchments_count, :down_course_score
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# add by nwb
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# 获取所有可公开的资源文件列表
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scope :public_attachments, lambda {
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#joins(Project.table_name).where("container_type = 'Project' and ")
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joins("LEFT JOIN #{Project.table_name} ON #{Attachment.table_name}.container_type='Project' AND #{Project.table_name}.id = #{Attachment.table_name}.container_id and #{Project.table_name}.is_public=1 " +
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" LEFT JOIN #{Document.table_name} ON #{Attachment.table_name}.container_type='Project' AND #{Document.table_name}.project_id in "+self.public_project_id +
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" LEFT JOIN #{Issue.table_name} ON #{Attachment.table_name}.container_type='Project' AND #{Issue.table_name}.project_id in "+self.public_project_id +
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" LEFT JOIN #{Version.table_name} ON #{Attachment.table_name}.container_type='Project' AND #{Version.table_name}.project_id in "+self.public_project_id +
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" LEFT JOIN #{WikiPage.table_name} ON #{Attachment.table_name}.container_type='WikiPage' AND #{WikiPage.table_name}.parent_id in "+self.public_wiki_id +
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" LEFT JOIN #{Message.table_name} ON #{Attachment.table_name}.container_type='Message' AND #{Message.table_name}.parent_id in "+self.public_board_id +
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" LEFT JOIN #{Course.table_name} ON #{Attachment.table_name}.container_type='Course' AND #{Course.table_name}.is_public=1 " +
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" LEFT JOIN #{News.table_name} ON #{Attachment.table_name}.container_type='News' AND (#{News.table_name}.project_id in "+self.public_project_id + " OR #{News.table_name}.course_id in " + self.public_course_id + ")" +
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" LEFT JOIN #{HomeworkAttach.table_name} ON #{Attachment.table_name}.container_type='HomeworkAttach' AND #{HomeworkAttach.table_name}.bid_id in "+self.public_bid_id)
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}
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scope :indexable,lambda { where('is_public = 1 and ((container_type in ("Principal")) ' +
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'or (container_type = "Course" and container_id in( SELECT `courses`.id FROM `courses` WHERE (courses.status <> 9 AND courses.is_public = 1)) )'+
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'or (container_type = "Project" and container_id in(SELECT `projects`.id FROM `projects` WHERE (projects.status <> 9 AND projects.is_public = 1) ))' +')')} #用于elastic建索引的scope
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def self.search(query)
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__elasticsearch__.search(
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{
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query: {
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multi_match: {
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query: query,
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type:"most_fields",
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operator: "or",
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fields: ['filename']
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}
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},
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sort:{
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_score:{order:"desc"},
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downloads: {order:"desc"}
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},
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highlight: {
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pre_tags: ['<span class="c_red">'],
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post_tags: ['</span>'],
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fields: {
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filename: {}
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}
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}
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}
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)
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end
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# add by nwb
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# 公开的项目id列表
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def self.public_project_id
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idlist = "("
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projects=Project.all_public
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count = projects.count
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for i in 0...count
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project = projects[i]
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idlist+="'" + project.id.to_s + "'"
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if i != count-1
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idlist+=","
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end
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end
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idlist += ")"
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idlist
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end
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# add by nwb
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# 公开的课程id列表
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def self.public_course_id
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idlist = "("
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courses=Course.all_public
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count = courses.count
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for i in 0...count
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course = courses[i]
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idlist+="'" + course.id.to_s + "'"
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if i != count-1
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idlist = idlist + ","
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end
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end
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idlist += ")"
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idlist
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end
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# add by nwb
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# 公开的wiki id列表
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def self.public_wiki_id
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idlist = "("
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wikis=Wiki.where("project_id in " + public_project_id)
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count = wikis.count
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for i in 0...count
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wiki = wikis[i]
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idlist+="'" + wiki.id.to_s + "'"
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if i != count-1
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idlist = idlist + ","
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end
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end
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idlist += ")"
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idlist
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end
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# add by nwb
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# 公开的board id列表
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def self.public_board_id
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idlist = "("
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boards=Board.where("project_id in " + public_project_id + " or course_id in " + public_course_id)
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count = boards.count
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for i in 0...count
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board = boards[i]
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idlist+="'" + board.id.to_s + "'"
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if i != count-1
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idlist = idlist + ","
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end
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end
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idlist += ")"
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idlist
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end
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# add by nwb
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# 公开的bid id列表
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def self.public_bid_id
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idlist = "("
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bids=Bid.where("reward_type=3")
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count = bids.count
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for i in 0...count
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bid = bids[i]
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idlist+="'" + bid.id.to_s + "'"
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if i != count-1
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idlist = idlist + ","
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end
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end
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idlist += ")"
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idlist
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end
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# Returns an unsaved copy of the attachment
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def copy(attributes=nil)
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copy = self.class.new
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copy.attributes = self.attributes.dup.except("id", "downloads")
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copy.attributes = attributes if attributes
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copy
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end
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#获取资源的后缀类型
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def suffix_type
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childArr = self.filename.split('.')
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suffix = '*'
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if childArr.length > 1
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suffix = childArr[childArr.length-1]
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end
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suffix
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end
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#获取用来显示的后缀名称
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def show_suffix_type
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suffix = 'other'
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temp = self.suffix_type.downcase
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if self.attachmentstype && self.attachmentstype.suffixArr.include?(temp)
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suffix = temp
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end
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suffix
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end
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# 文件密级的字符描述
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def file_dense_str
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if self.is_public == 1
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dense = l(:field_is_public)
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else
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dense = l(:field_is_private)
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end
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dense
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end
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# 文件可设置的密级列表
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def file_dense_list
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denselist = [l(:field_is_public),l(:field_is_private)]
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end
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def suffixArr
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@@SuffixArr
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end
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def validate_max_file_size
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if @temp_file && self.filesize > Setting.attachment_max_size.to_i.kilobytes
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errors.add(:base, l(:error_attachment_too_big, :max_size => Setting.attachment_max_size.to_i.kilobytes))
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end
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end
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def file=(incoming_file)
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unless incoming_file.nil?
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@temp_file = incoming_file
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# 允许上传文件大小为0的文件
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#if @temp_file.size > 0
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if @temp_file.respond_to?(:original_filename)
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self.filename = @temp_file.original_filename
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self.filename.force_encoding("UTF-8") if filename.respond_to?(:force_encoding)
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end
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if @temp_file.respond_to?(:content_type)
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self.content_type = @temp_file.content_type.to_s.chomp
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end
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if content_type.blank? && filename.present?
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self.content_type = Redmine::MimeType.of(filename)
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end
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self.filesize = @temp_file.size
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#end
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end
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end
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def file
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nil
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end
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def filename=(arg)
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write_attribute :filename, sanitize_filename(arg.to_s)
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filename
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end
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def office_conver
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# 不在这里做后台转换，换为点击时做转换
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# return unless %w(Project Course).include? (self.container_type)
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# saved_path = File.join(Rails.root, "files", "convered_office")
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# unless Dir.exist?(saved_path)
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# Dir.mkdir(saved_path)
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# end
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# convered_file = File.join(saved_path, self.disk_filename + ".pdf")
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# OfficeConverTask.new.conver(self.diskfile, convered_file)
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end
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# Copies the temporary file to its final location
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# and computes its MD5 hash
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def files_to_final_location
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# # 允许上传文件大小为0的文件
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if @temp_file# && (@temp_file.size > 0)
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self.disk_directory = target_directory
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self.disk_filename = Attachment.disk_filename(filename, disk_directory)
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logger.info("Saving attachment '#{self.diskfile}' (#{@temp_file.size} bytes)")
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path = File.dirname(diskfile)
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unless File.directory?(path)
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FileUtils.mkdir_p(path)
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end
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md5 = Digest::MD5.new
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File.open(diskfile, "wb") do |f|
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if @temp_file.respond_to?(:read)
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buffer = ""
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while (buffer = @temp_file.read(8192))
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f.write(buffer)
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md5.update(buffer)
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end
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else
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f.write(@temp_file)
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md5.update(@temp_file)
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end
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end
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self.digest = md5.hexdigest
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end
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@temp_file = nil
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# Don't save the content type if it's longer than the authorized length
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if self.content_type && self.content_type.length > 255
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self.content_type = nil
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end
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end
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# Deletes the file from the file system if it's not referenced by other attachments
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def delete_from_disk
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#资源存在，且历史记录为0 且 该资源没有存在任何拷贝才能删除资源
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if Attachment.where("disk_filename = ? AND id <> ?", disk_filename, id).empty? && self.attachment_histories.count == 0 && Attachment.where('copy_from = ?',self.id) .count == 0
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delete_from_disk!
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end
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end
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#有了历史记录的数据记录是不能被删除的。
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#true 能被删除 false 不能被删除
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def destroyable
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self.attachment_histories.count == 0
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end
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# Returns file's location on disk
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def diskfile
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File.join(self.class.storage_path, disk_directory.to_s, disk_filename.to_s)
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end
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#标题
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def title
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title = filename.to_s
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if description.present?
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title << " (#{description})"
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end
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title
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end
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def increment_download
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increment!(:downloads)
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end
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def project
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container.try(:project)
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end
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def course
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container
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end
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def visible?(user=User.current)
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if container_id
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container && container.attachments_visible?(user)
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else
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author == user
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end
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end
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def deletable?(user=User.current)
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if container_id
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container && (container.is_a?(Project) ? container.attachments_deletable?(user) : true )
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else
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author == user
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end
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end
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def image?
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!!(self.filename =~ /\.(bmp|gif|jpg|jpe|jpeg|png)$/i)
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end
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def pack?
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!!(self.filename =~ /\.(zip|rar|tar|gz|exe|jar|7z|iso)$/i)
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end
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def thumbnailable?
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image?
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end
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# Returns the full path the attachment thumbnail, or nil
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# if the thumbnail cannot be generated.
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def thumbnail(options={})
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if thumbnailable? && readable?
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size = options[:size].to_i
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if size > 0
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# Limit the number of thumbnails per image
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size = (size / 50) * 50
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# Maximum thumbnail size
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size = 800 if size > 800
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else
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size = Setting.thumbnails_size.to_i
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end
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size = 100 unless size > 0
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target = File.join(self.class.thumbnails_storage_path, "#{id}_#{digest}_#{size}.thumb")
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begin
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Redmine::Thumbnail.generate(self.diskfile, target, size)
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rescue => e
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logger.error "An error occured while generating thumbnail for #{disk_filename} to #{target}\nException was: #{e.message}" if logger
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return nil
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end
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end
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end
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# Deletes all thumbnails
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def self.clear_thumbnails
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Dir.glob(File.join(thumbnails_storage_path, "*.thumb")).each do |file|
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File.delete file
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end
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end
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def is_text?
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Redmine::MimeType.is_type?('text', filename)
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end
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def is_diff?
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self.filename =~ /\.(patch|diff)$/i
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end
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# Returns true if the file is readable
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def readable?
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File.readable?(diskfile)
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end
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# Returns the attachment token
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def token
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"#{id}.#{digest}"
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end
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# Finds an attachment that matches the given token and that has no container
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def self.find_by_token(token)
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attachment = find_by_token_only(token)
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attachment if attachment.container.nil?
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end
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# Finds an attachment that matches the given token
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def self.find_by_token_only(token)
|
||
if token.to_s =~ /^(\d+)\.([0-9a-f]+)$/
|
||
attachment_id, attachment_digest = $1, $2
|
||
attachment = Attachment.where(:id => attachment_id, :digest => attachment_digest).first
|
||
end
|
||
end
|
||
|
||
# Bulk attaches a set of files to an object
|
||
#
|
||
# Returns a Hash of the results:
|
||
# :files => array of the attached files
|
||
# :unsaved => array of the files that could not be attached
|
||
def self.attach_files(obj, attachments)
|
||
result = obj.save_attachments(attachments, User.current)
|
||
obj.attach_saved_attachments
|
||
result
|
||
end
|
||
|
||
|
||
def self.attach_filesex(obj, attachments,attachment_type)
|
||
result = obj.save_attachmentsex(attachments, User.current,attachment_type)
|
||
obj.attach_saved_attachments
|
||
result
|
||
end
|
||
|
||
def self.latest_attach(attachments, filename)
|
||
attachments.sort_by(&:created_on).reverse.detect {
|
||
|att| att.filename.downcase == filename.downcase
|
||
}
|
||
end
|
||
|
||
def self.prune(age=1.day)
|
||
Attachment.where("created_on < ? AND (container_type IS NULL OR container_type = '')", Time.now - age).destroy_all
|
||
end
|
||
|
||
# Moves an existing attachment to its target directory
|
||
def move_to_target_directory!
|
||
if !new_record? & readable?
|
||
src = diskfile
|
||
self.disk_directory = target_directory
|
||
dest = diskfile
|
||
if src != dest && FileUtils.mkdir_p(File.dirname(dest)) && FileUtils.mv(src, dest)
|
||
update_column :disk_directory, disk_directory
|
||
end
|
||
end
|
||
end
|
||
|
||
# Moves existing attachments that are stored at the root of the files
|
||
# directory (ie. created before Redmine 2.3) to their target subdirectories
|
||
def self.move_from_root_to_target_directory
|
||
Attachment.where("disk_directory IS NULL OR disk_directory = ''").find_each do |attachment|
|
||
attachment.move_to_target_directory!
|
||
end
|
||
end
|
||
|
||
private
|
||
|
||
# Physically deletes the file from the file system
|
||
def delete_from_disk!
|
||
if disk_filename.present? && File.exist?(diskfile)
|
||
File.delete(diskfile)
|
||
end
|
||
end
|
||
|
||
def sanitize_filename(value)
|
||
# get only the filename, not the whole path
|
||
just_filename = value.gsub(/^.*(\\|\/)/, '')
|
||
|
||
# Finally, replace invalid characters with underscore
|
||
@filename = just_filename.gsub(/[\/\?\%\*\:\|\"\'<>]+/, '_')
|
||
end
|
||
|
||
# Returns the subdirectory in which the attachment will be saved
|
||
def target_directory
|
||
time = created_on || DateTime.now
|
||
time.strftime("%Y/%m")
|
||
end
|
||
|
||
# Returns an ASCII or hashed filename that do not
|
||
# exists yet in the given subdirectory
|
||
def self.disk_filename(filename, directory=nil)
|
||
timestamp = DateTime.now.strftime("%y%m%d%H%M%S")
|
||
ascii = ''
|
||
if filename =~ %r{^[a-zA-Z0-9_\.\-]*$}
|
||
ascii = filename
|
||
else
|
||
ascii = Digest::MD5.hexdigest(filename)
|
||
# keep the extension if any
|
||
ascii << $1 if filename =~ %r{(\.[a-zA-Z0-9]+)$}
|
||
end
|
||
while File.exist?(File.join(storage_path, directory.to_s, "#{timestamp}_#{ascii}"))
|
||
timestamp.succ!
|
||
end
|
||
"#{timestamp}_#{ascii}"
|
||
end
|
||
|
||
|
||
# update user score
|
||
def be_user_score
|
||
if self.container_id_changed?
|
||
type = self.container_type
|
||
types = %w|Document News Version Project Issue Message WikiPage|
|
||
if types.include?(type)
|
||
#UserScore.project(:push_file, self.author,self, { attachment_id: self.id })
|
||
|
||
end
|
||
end
|
||
update_attachment(self.author,1)
|
||
if self.container_type == 'Project'
|
||
update_attachment(self.author,2,self.container)
|
||
end
|
||
|
||
end
|
||
|
||
#删除附件时重新统计用户的附件数量得分
|
||
def down_user_score
|
||
update_attachment(self.author,1)
|
||
if self.container_type == 'Project'
|
||
update_attachment(self.author,2,self.container)
|
||
end
|
||
end
|
||
|
||
# Time 2015-03-02 17:42:48
|
||
# Author lizanle
|
||
# Description 上传该项目的文档资料也要保存一份在公共表中
|
||
def act_as_forge_activity
|
||
if self.container_type == 'Project'
|
||
self.forge_acts << ForgeActivity.new(:user_id => self.author_id,
|
||
:project_id => self.container_id)
|
||
end
|
||
end
|
||
|
||
#课程动态公共表记录
|
||
def act_as_course_activity
|
||
if self.container_type == "Course"
|
||
if self.is_publish == 0
|
||
self.course_acts.destroy_all
|
||
else
|
||
if self.is_publish == 1 && self.course_acts.empty?
|
||
self.course_acts << CourseActivity.new(:user_id => self.author_id,:course_id => self.container_id)
|
||
end
|
||
end
|
||
end
|
||
end
|
||
|
||
def create_attachment_ealasticsearch_index
|
||
if self.is_public == 1 && ( (self.container_type == 'Project' && Project.find(self.container_id).is_public == 1) ||
|
||
( self.container_type == 'Course' && Course.find(self.container_id).is_public == 1) ||
|
||
self.container_type == 'Principal')
|
||
self.__elasticsearch__.index_document
|
||
end
|
||
end
|
||
|
||
def update_attachment_ealasticsearch_index
|
||
if self.is_public == 1 && ( ((self.container_type == 'Project' or self.container_type == 'Version') && Project.find(self.container_id).is_public == 1) ||
|
||
( self.container_type == 'Course' && Course.find(self.container_id).is_public == 1) ||
|
||
self.container_type == 'Principal')
|
||
begin
|
||
self.__elasticsearch__.update_document
|
||
rescue => e
|
||
end
|
||
else
|
||
begin
|
||
self.__elasticsearch__.delete_document
|
||
rescue => e
|
||
end
|
||
end
|
||
end
|
||
|
||
def delete_attachment_ealasticsearch_index
|
||
begin
|
||
self.__elasticsearch__.delete_document
|
||
rescue => e
|
||
end
|
||
end
|
||
|
||
def decrease_attchments_count
|
||
if self.container_type == "Project" && !self.project.project_score.nil?
|
||
attach_count = self.container.project_score.attach_num - 1
|
||
self.container.project_score.update_attribute(:attach_num, attach_count < 0 ? 0 : attach_count)
|
||
end
|
||
end
|
||
|
||
def down_course_score
|
||
if self.container_type == "Course"
|
||
down_course_score_num(self.container_id, self.author_id, "Attachment")
|
||
end
|
||
end
|
||
end
|
||
|
||
# Delete the previous articles index in Elasticsearch
|
||
# Attachment.__elasticsearch__.client.indices.delete index: Attachment.index_name rescue nil
|
||
#
|
||
# # Create the new index with the new mapping
|
||
# Attachment.__elasticsearch__.client.indices.create \
|
||
# index: Attachment.index_name,
|
||
# body: { settings: Attachment.settings.to_hash, mappings: Attachment.mappings.to_hash }
|
||
|
||
# Index all article records from the DB to Elasticsearch
|
||
#暂时只做公开课程/项目里的公开资源 和其他的公开资源
|
||
#Attachment.where('is_public = 1 and ((container_type in ("Principal")) ' +
|
||
# 'or (container_type = "Course" and container_id in( SELECT `courses`.id FROM `courses` WHERE (courses.status <> 9 AND courses.is_public = 1)) )'+
|
||
# 'or (container_type = "Project" and container_id in(SELECT `projects`.id FROM `projects` WHERE (projects.status <> 9 AND projects.is_public = 1) ))' +')').import :force=>true
|