socialforge/app/controllers/stores_controller.rb

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# encoding: utf-8
# Trustie - education management software
# Copyright (C) 2013-2014
class StoresController < ApplicationController
layout 'base_stores'
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def search
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begin
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q = "%#{params[:name].strip}%"
(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
@result_all_count = result.count;
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rescue Exception => e
#render 'stores'
redirect_to stores_url
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end
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end
def find_public_attache keywords
# StoresController#search 将每条文件都查出来,再次进行判断过滤。---> resultSet.to_a.map
# 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。
# 现在还木有思路 药丸
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|
if(res.container.nil? ||
(res.container.class.to_s=="Project" && res.container.is_public == false) ||
(res.container.has_attribute?(:project) && res.container.project.is_public == false) ||
(res.container.class.to_s=="HomeworkAttach" && res.container.bid.reward_type == 3) ||
false
) || (res.container.is_a?(Course) && res.container.is_public == 0)
result.delete(res)
end
}
result
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end
LIMIT = 12 unless const_defined?(:LIMIT)
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").
where(container_type: 'Course').
limit(LIMIT)
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# @projects_attach = Attachment.includes(:project).where("projects.project_type=? AND projects.is_public = ?", 0, 1).
# reorder("#{Attachment.table_name}.downloads DESC").
# limit(LIMIT)
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# @courses_attach = Attachment.includes(:project).where("projects.project_type=? AND projects.is_public = ?", 1, 1).
# reorder("#{Attachment.table_name}.downloads DESC").
# limit(LIMIT)
# 悲剧 下面竞赛里没文件
# @homeworks_attach = Attachment.
# joins("LEFT JOIN homework_attaches ON homework_attaches.id=attachments.container_id
# LEFT JOIN bids ON homework_attaches.bid_id=bids.id").
# where("container_type = 'HomeworkAttach' AND bids.reward_type <> 3").
# reorder("downloads DESC").
# limit(LIMIT)
@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
@attach_array.push(@projects_attach, @courses_attach, @homeworks_attach, @memos_attach)
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@str_arr = [ l(:label_project_deposit),
l(:label_course_practice),
l(:label_borad_project), #l(:label_contest_innovate),
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l(:label_forum) ]
end
#缺失文件列表
def lost_file
attachments = []
Attachment.where("container_id is not null and container_type is not null and container_type <> 'Bid' and container_type <> 'HomeworkAttach'").each do |attachment|
unless File.exist?(attachment.diskfile)
attachments << attachment
end
end
respond_to do |format|
format.xls {
send_data(homework_to_xls(attachments), :type => "text/excel;charset=utf-8; header=present",
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:filename => filename_for_content_disposition("#{l(:label_file_lost_list)}.xls") )
}
end
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").
# where("attachments.container_type='Project' AND projects.is_public=1 AND projects.project_type=#{project_type}").
# reorder("downloads DESC").
# limit(LIMIT)
pro_attach = join_tools_project Project, project_type
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doc_attach = join_tools_project Document, project_type
issue_attach = join_tools_project Issue, project_type
mess_attach = []#join_tools_project Message, project_type
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news_attach = join_tools_project News, project_type
vers_attach = join_tools_project Version, project_type
wiki_attach = join_tools_project WikiPage, project_type
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tmp = pro_attach
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
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').
limit(LIMIT)
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end
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def str_join_table tableClass
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case tableClass.to_s
when 'Project'
"LEFT JOIN projects ON attachments.container_id = projects.id"
when 'Document', 'Issue', 'Version', 'News' # 连接子表即有 project_id 字段,即两层连接
"LEFT JOIN #{tableClass.table_name} ON attachments.container_id = #{tableClass.table_name}.id
LEFT JOIN projects ON #{tableClass.table_name}.project_id = projects.id"
when 'Message' # 三层连接
"LEFT JOIN #{tableClass.table_name} ON attachments.container_id = #{tableClass.table_name}.id
LEFT JOIN boards ON boards.id = #{tableClass.table_name}.board_id
LEFT JOIN projects ON boards.project_id = projects.id"
when 'WikiPage'# 三层连接
"LEFT JOIN #{tableClass.table_name} ON attachments.container_id = #{tableClass.table_name}.id
LEFT JOIN wikis ON wikis.id = #{tableClass.table_name}.wiki_id
LEFT JOIN projects ON wikis.project_id = projects.id"
else
end
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end
#作品列表转换为excel
def homework_to_xls attachments
xls_report = StringIO.new
book = Spreadsheet::Workbook.new
sheet1 = book.create_worksheet :name => "homework"
blue = Spreadsheet::Format.new :color => :blue, :weight => :bold, :size => 10
sheet1.row(0).default_format = blue
sheet1.row(0).concat(["文件ID","文件名","硬盘路径","上传时间","是否公开","所属对象","所属对象Id"])
count_row = 1
attachments.each do |attachment|
sheet1[count_row,0] = attachment.id
sheet1[count_row,1] = attachment.filename
sheet1[count_row,2] = attachment.diskfile
sheet1[count_row,3] = format_time(attachment.created_on)
sheet1[count_row,4] = (attachment.is_public == 1 || attachment.is_public) ? "" :""
sheet1[count_row,5] = attachment.container_type
sheet1[count_row,6] = attachment.container_id
count_row += 1
end
book.write xls_report
xls_report.string
end
end