121 lines
5.3 KiB
Ruby
121 lines
5.3 KiB
Ruby
# encoding: utf-8
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# Trustie - education management software
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# Copyright (C) 2013-2014
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class StoresController < ApplicationController
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layout 'base_stores'
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def search
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begin
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q = "%#{params[:name].strip}%"
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(redirect_to stores_url, :notice => l(:label_sumbit_empty);return) if params[:name].blank?
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result = find_public_attache q
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@searched_attach = paginateHelper result
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@result_all_count = result.count;
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rescue Exception => e
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#render 'stores'
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redirect_to stores_url
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end
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end
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def find_public_attache keywords
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# StoresController#search 将每条文件都查出来，再次进行判断过滤。---> resultSet.to_a.map
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# 此时内容不多速度还可，但文件增长，每条判断多则进行3-4次表连接。
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# 现在还木有思路 药丸
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resultSet = Attachment.where("attachments.container_type IS NOT NULL AND filename LIKE :like ", like: "%#{keywords}%").
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reorder("created_on DESC")
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result = resultSet.to_a.dup
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resultSet.to_a.map { |res|
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if(res.container.nil? ||
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(res.container.class.to_s=="Project" && res.container.is_public == false) ||
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(res.container.has_attribute?(:project) && res.container.project.is_public == false) ||
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(res.container.class.to_s=="HomeworkAttach" && res.container.bid.reward_type == 3) ||
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false
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) || (res.container.is_a?(Course) && res.container.is_public == 0)
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result.delete(res)
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end
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}
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result
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end
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LIMIT = 12 unless const_defined?(:LIMIT)
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def index
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@projects_attach = project_classification(0).take(LIMIT)
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@courses_attach = Attachment.includes(:course).where("courses.is_public = 1").
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where(container_type: 'Course').
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limit(LIMIT)
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# @projects_attach = Attachment.includes(:project).where("projects.project_type=? AND projects.is_public = ?", 0, 1).
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# reorder("#{Attachment.table_name}.downloads DESC").
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# limit(LIMIT)
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# @courses_attach = Attachment.includes(:project).where("projects.project_type=? AND projects.is_public = ?", 1, 1).
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# reorder("#{Attachment.table_name}.downloads DESC").
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# limit(LIMIT)
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# 悲剧 下面竞赛里没文件
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# @homeworks_attach = Attachment.
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# joins("LEFT JOIN homework_attaches ON homework_attaches.id=attachments.container_id
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# LEFT JOIN bids ON homework_attaches.bid_id=bids.id").
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# where("container_type = 'HomeworkAttach' AND bids.reward_type <> 3").
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# reorder("downloads DESC").
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# limit(LIMIT)
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@homeworks_attach = join_tools_project Message, 0
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@memos_attach = Attachment.where("container_type = 'Memo'").
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reorder("downloads DESC").
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limit(LIMIT)
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@attach_array = Array.new
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@attach_array.push(@projects_attach, @courses_attach, @homeworks_attach, @memos_attach)
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@str_arr = [ l(:label_project_deposit),
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l(:label_course_practice),
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l(:label_borad_project), #l(:label_contest_innovate),
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l(:label_forum) ]
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end
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private
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def project_classification project_type=0
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# pro_attach = Attachment.joins("LEFT JOIN projects ON attachments.container_id = projects.id").
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# where("attachments.container_type='Project' AND projects.is_public=1 AND projects.project_type=#{project_type}").
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# reorder("downloads DESC").
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# limit(LIMIT)
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pro_attach = join_tools_project Project, project_type
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doc_attach = join_tools_project Document, project_type
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issue_attach = join_tools_project Issue, project_type
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mess_attach = []#join_tools_project Message, project_type
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news_attach = join_tools_project News, project_type
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vers_attach = join_tools_project Version, project_type
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wiki_attach = join_tools_project WikiPage, project_type
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tmp = pro_attach
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tmp = pro_attach+doc_attach+issue_attach+mess_attach+news_attach+vers_attach+wiki_attach
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tmp.sort { |a, b| b.downloads <=> a.downloads }
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end
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def join_tools_project tableName, project_type=0
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Attachment.joins(str_join_table(tableName)).
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where("attachments.container_type='#{tableName.to_s}' AND projects.is_public=1 AND projects.project_type=#{project_type}").
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reorder('downloads DESC').
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limit(LIMIT)
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end
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def str_join_table tableClass
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case tableClass.to_s
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when 'Project'
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"LEFT JOIN projects ON attachments.container_id = projects.id"
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when 'Document', 'Issue', 'Version', 'News' # 连接子表即有 project_id 字段，即两层连接
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"LEFT JOIN #{tableClass.table_name} ON attachments.container_id = #{tableClass.table_name}.id
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LEFT JOIN projects ON #{tableClass.table_name}.project_id = projects.id"
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when 'Message' # 三层连接
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"LEFT JOIN #{tableClass.table_name} ON attachments.container_id = #{tableClass.table_name}.id
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LEFT JOIN boards ON boards.id = #{tableClass.table_name}.board_id
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LEFT JOIN projects ON boards.project_id = projects.id"
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when 'WikiPage'# 三层连接
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"LEFT JOIN #{tableClass.table_name} ON attachments.container_id = #{tableClass.table_name}.id
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LEFT JOIN wikis ON wikis.id = #{tableClass.table_name}.wiki_id
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LEFT JOIN projects ON wikis.project_id = projects.id"
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else
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end
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end
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end
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