socialforge/app/helpers/welcome_helper.rb

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# encoding: utf-8
#
# 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.
module WelcomeHelper
include CoursesHelper
include ProjectsHelper
def welcome_join_in_course(project, user)
if(user.logged? &&
!(course_endTime_timeout? project) &&
(project.course_extra.teacher.id != user.id)
)
join_in_course(project, user)
end
end
def get_course_avatar project
if get_avatar?(project)
url_to_avatar(project)
else
'../images/avatars/Project/course.jpg'
end
end
def get_project_avatar project
if get_avatar?(project)
url_to_avatar(project)
else
'../images/avatars/Project/0'
end
end
# 前略·天国の首页君/Earth has been unable stop to welcomePage's.
# sum - 要搜索的项目数量
# max_rate - 新项目所占所有项目的比重10分制
#
# Examples
#
# find_miracle_course(10, 7)
# # => 前7个项目为新课程后面三个是参与人数最多的
#
# Returns project&courses array
def find_miracle_course(sum=10, max_rate=7, school_id)
if User.current.user_extensions.school.nil? and school_id.nil?
Project.active.visible.course_entities.
joins(:course_extra).
joins(:memberships).
group('members.project_id').
reorder("courses.time DESC, COUNT(members.project_id) DESC").take sum
# elseif school_id.nil?
else
if school_id.nil?
Project.active.visible.course_entities.
joins(:course_extra).
joins(:memberships).
where("#{Course.table_name}.school_id = ?", User.current.user_extensions.school.id).
group('members.project_id').
reorder("courses.time DESC, COUNT(members.project_id) DESC").take sum
else
if school_id == "0"
Project.active.visible.course_entities.
joins(:course_extra).
joins(:memberships).
group('members.project_id').
reorder("courses.time DESC, COUNT(members.project_id) DESC").take sum
else
Project.active.visible.course_entities.
joins(:course_extra).
joins(:memberships).
where("#{Course.table_name}.school_id = ?", school_id).
group('members.project_id').
reorder("courses.time DESC, COUNT(members.project_id) DESC").take sum
end
end
end
# else
# Project.active.visible.course_entities.
# joins(:course_extra).
# joins(:memberships).
# where("#{Course.table_name}.school_id = ?", school_id).
# group('members.project_id').
# reorder("courses.time DESC, COUNT(members.project_id) DESC").take sum
# end
# max = sum*(max_rate.to_f/10)
# c1 = find_new_course(sum).to_a.dup
# c2 = find_all_hot_course(sum).to_a.dup
# c2 = c2 - c1
# (c1.take(max)+c2).take(sum)
end
#查找所有学校按每个学校开设课程数量降序排序
#page 分页查询开始条数的编号,从0开始
#limit 分页查询的数量
def find_maxmin_course_school page,limit
School.find_by_sql("SELECT *,(SELECT COUNT(*) FROM courses WHERE school_id = schools.id) AS a
FROM schools
ORDER BY a DESC LIMIT #{page},#{limit}")
#School.where(" id IN (SELECT school_id FROM courses GROUP BY school_id)").limit limit;
#School.order("#{School.course_count}").limit(limit).all
#@school = School.all.sort
#@school.each do |s|
# s.courses.count
#end
#result = []
#@school = School.all.to_ary
#i = 1
#for i in i < School.count
# j = i - 1
# for j in j > 0
# if @school[j].courses.count >
# end
#end
end
def find_miracle_project(sum, max_rate)
max = sum*(max_rate.to_f/10)
c1 = find_new_project(sum).to_a.dup
c2 = find_all_hot_project(sum).to_a.dup
(c2.take(sum-max)+c1.take(max)).take(sum)
end
def find_new_course limit=15
Project.visible.joins(:course_extra).where("#{Project.table_name}.project_type = ? ", 1).order("courses.time DESC, #{Project.table_name}.created_on DESC").limit(limit).all
end
def find_new_project limit=15
Project.visible.where("#{Project.table_name}.project_type = ? ", 0).order("#{Project.table_name}.updated_on DESC, #{Project.table_name}.created_on DESC").limit(limit).all
end
def find_all_hot_project limit=15
sort_project_by_hot limit
end
def find_all_hot_course limit=15
sort_course_by_hot limit
end
def find_all_hot_bid
sort_bid_by_hot
end
def find_all_hot_contest limit=10
Contest.reorder("created_on DESC").all.take limit
# mix_bid = []
# mix_bid += Contest.reorder("created_on DESC").take(limit).to_a
# mix_bid += Bid.visible.where('reward_type = ?', 2).reorder('bids.created_on desc').take(limit).to_a
# mix_bid.sort do |older, newer|
# newer.created_on - older.created_on
# end
# mix_bid.take limit
end
def find_all_hot_softapplication limit=10
Softapplication.reorder("created_at DESC").all.take limit
end
def cal_memos_count event
return nil if event.parent_id
event.replies_count
rescue NoMethodError
nil
end
def cal_issues_count event
event.journals.count
rescue NoMethodError
nil
end
def topic_last_time topic
return topic.event_datetime if ( !(topic.methods.to_s =~ %r[last_reply]) || topic.last_reply.nil? )
topic.last_reply.event_datetime
end
def time_tag_welcome time
text = distance_of_time_in_words(Time.now, time)
content_tag('span', text, :title => format_time(time))
end
def show_grade project
grade = 0
begin
grade = project.project_status.grade if project && project.project_status
rescue Exception => e
logger.error "Logger.Error [WelcomeHelper] ===> #{e}"
end
"项目评分:".html_safe << grade.to_s
end
def show_user_content event
str = '&nbsp;'.html_safe
case event.event_type
when 'news'
str << content_tag("span", "发表了") <<
content_tag("span", find_all_event_type(event)) <<
':&nbsp;'.html_safe <<
link_to(truncate(strip_tags(event.event_description).gsub(/&nbsp;/,''), length: 30, omission:'...'), event.event_url)
when 'issue', 'message' , 'bid' , 'wiki-page' , 'document'
str << content_tag("span", "发表了") <<
content_tag("span", find_all_event_type(event)) <<
':&nbsp;'.html_safe <<
link_to(truncate(event.event_title, length: 30, omission:'...'), event.event_url)
when 'reply' ,'Reply', 'Memo'
str << content_tag("span", "发表了") <<
content_tag("span", find_all_event_type(event)) <<
':&nbsp;'.html_safe <<
link_to(truncate(strip_tags(event.event_description).gsub(/&nbsp;/,''), length: 30, omission:'...'), event.event_url)
when 'attachment'
str << content_tag('span', '上传了') <<
content_tag('span', find_all_event_type(event)) <<
':&nbsp;'.html_safe <<
link_to(truncate(event.event_title, length: 30, omission:'...'), event.event_url) <<
link_to(('&nbsp;['.html_safe+l(:label_downloads_list).to_s << ']'), project_files_path(event.container), :class => "attachments_list_color")
else
str << content_tag("span", "更新了") <<
content_tag("span", find_all_event_type(event)) <<
':&nbsp;'.html_safe << link_to(truncate(event.event_title, length: 30, omission:'...'), event.event_url)
end
str
rescue Exception => e
str << content_tag("span", '未知内容')
end
def show_event_reply event
str = "回复("
case event.event_type
when 'news'
str << link_to( event.comments.count, news_path(event)) << ")"
when "issue"
str << link_to(cal_issues_count(event), issue_path(event)) << ")"
when "Memo"
str << link_to(cal_memos_count(event), forum_memo_path(event.forum_id,event.id)) << ")"
else
str = ""
end
str.html_safe
end
def find_new_forum_topics limit=7
# Memo.where('memos.parent_id IS NULL').reorder('memos.created_at DESC').limit(limit)
# activity = Redmine::Activity::Fetcher.new(nil)
# activity.scope=['memos']
# activity.events_welcome(nil, nil, {:limit => limit})
resultSet = Memo.where('memos.parent_id IS NULL').includes(:last_reply).order('COALESCE (last_replies_memos.created_at, memos.created_at) DESC').limit(limit)
# resultSet += Message.where('messages.parent_id IS NULL').includes(:last_reply).order('COALESCE (last_replies_messages.created_on, messages.created_on) DESC').limit(limit)
# resultSet = Memo.includes(:children).where('parent_id IS NULL').order('updated_at DESC').limit(limit)
# resultSet += Message.includes(:children).where('parent_id IS NULL').order('updated_on DESC').limit(limit)
# resultSet.sort! {|x,y| y.event_datetime <=> x.event_datetime}
# resultSet = resultSet.to_a
# for i in 0..(resultSet.size-1)
# resultSet[i] = resultSet[i].children.last if resultSet[i].children.count > 0
# end
# resultSet.take(limit)
end
private
def sort_project_by_hot limit=15
sort_project_by_hot_rails 0, 'grade DESC', limit
end
def sort_course_by_hot limit=15
sort_project_by_hot_rails 1, 'course_ac_para DESC', limit
end
def sort_bid_by_hot
sort_bid_by_hot_rails 1
end
def sort_contest_by_hot
sort_bid_by_hot_rails 2
end
#new added by linchun
def sort_contest_by_time
sort_bid_by_time 2
end
#取得所有活动
def find_all_activities limit=6
# users = []
# activities = Activity.find_by_sql("select distinct user_id from activities order by id DESC limit #{limit}" )
# activities.each { |activity|
# users << activity.user_id
# }
# user_objs = User.find_by_sql("SELECT * FROM users WHERE (users.id IN #{"(" << users.join(',') << ")"} )")
activity = Redmine::Activity::Fetcher.new(nil)
has = { # TODO: 待完成
"show_issues" => true,
"show_files" => true,
"show_documents" => true,
"show_messages" => true,
"show_news" => true,
"show_bids" => true
}
activity.scope_select{|t| ['changesets', 'documents', 'memos', 'messages', 'journals_for_messages', 'bids', 'news'].include?(t) ? nil : 'You may think you know what the following code does, may be. but why don"t you close this file and go play with something else, Now?' }
activity.events_welcome(nil, nil, {:limit => limit, :types => 'welcome'})
end
#取得论坛数据
def find_hot_forum_topics limit=9
## 以下语句会内链接自身查询出最后一条回复时间,没有回复的帖子不会显示
# Memo.find_by_sql("
# SELECT memos.*, reply.created_at AS last_reply_date FROM memos AS memos
# INNER JOIN memos
# AS reply ON memos.last_reply_id=reply.id
# WHERE memos.parent_id IS NULL
# ORDER BY memos.replies_count DESC, memos.created_at DESC
# LIMIT #{limit}")
#Memo.order('replies_count DESC').where('replies_count <> 0').limit(limit)
resultSet = Memo.order('replies_count DESC, created_at DESC').where('parent_id IS NULL').limit(limit)
resultSet += Message.order('replies_count DESC, created_on DESC').where('parent_id IS NULL').limit(limit)
resultSet.sort! {|x,y| (y.replies_count <=> x.replies_count).nonzero? || (y.event_datetime <=> x.event_datetime)}
resultSet.take(limit)
end
def sort_project_by_hot_rails project_type=0, order_by='grade DESC', limit=15
# Project.find_by_sql("
# SELECT p.id, p.name, p.description, p.identifier, t.project_id
# FROM projects AS p LEFT OUTER JOIN (
# SELECT project_id,grade FROM project_statuses
# WHERE project_type = #{project_type} ORDER BY #{order_by} LIMIT #{limit} ) AS t ON p.id = t.project_id ")
Project.visible.joins(:project_status).where("#{Project.table_name}.project_type = ?", project_type).order(order_by).limit(limit).all
end
def sort_bid_by_hot_rails reward_type, limit = 10
Bid.visible.where('reward_type = ?', reward_type).reorder('bids.commit desc').limit(limit)
end
def sort_bid_by_time reward_type, limit = 10
Bid.visible.where('reward_type = ?', reward_type).reorder('bids.created_on desc').limit(limit)
end
def find_all_event_type event
case event.event_type
when 'news'
'新闻'
when 'issue'
'缺陷'
when 'attachment'
'附件'
when 'message'
'主题'
when 'Reply','reply'
'回复'
when 'bid'
'作业'
when 'Memo'
'主题'
when 'document'
'文件'
when 'changeset'
'版本库'
when 'issue-note'
'问题说明'
else
event.event_type
end
end
def newbie_send_path
create_new_forum_path '新手讨论'
end
def suggestion_send_path
create_new_forum_path '网站建议'
end
private
def create_new_forum_path name
# 没有论坛则返回'#' 不能发帖
# 否则到指定论坛里发帖
# 没有找到置顶论坛就跑默认第一个论坛发帖
forum_relation = create_find_undefine_forum name
backUrl = '#'
backUrl = new_forum_memo_path(Forum.first) if Forum.count > 0
backUrl = new_forum_memo_path(forum_relation.first) if !forum_relation.empty?
return backUrl
end
def create_find_undefine_forum name
Forum.where("name LIKE \'%#{name}%\'")
end
end