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trustieforge
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首页动态优化

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Branch_szzh
lizanle 10 years ago
parent ffe12b92c8
commit 8350d5f10b
5 changed files with 73 additions and 23 deletions
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2
app/api/mobile/apis/courses.rb
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@ -250,8 +250,10 @@ module Mobile
end
get "course_dynamic/:id" do
cs = CoursesService.new
p Time.now.to_s
count = cs.all_course_dynamics(params,current_user)
present :data, count, with: Mobile::Entities::CourseDynamic
p Time.now.to_s
present :status, 0
end

25
app/api/mobile/entities/course_dynamic.rb
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@ -4,9 +4,7 @@ module Mobile
include Redmine::I18n
def self.course_dynamic_expose(field)
expose field do |c,opt|
if field == :update_time
(format_time(c[field]) if (c.is_a?(Hash) && c.key?(field)))
elsif field == :news_count
if field == :news_count
obj = nil
c[:dynamics].each do |d|
if d[:type] == 1
@ -45,15 +43,12 @@ module Mobile
end
end
course_dynamic_expose :type
course_dynamic_expose :count
course_dynamic_expose :course_name
course_dynamic_expose :course_term
course_dynamic_expose :course_time
course_dynamic_expose :course_id
course_dynamic_expose :course_img_url
course_dynamic_expose :message
course_dynamic_expose :update_time
course_dynamic_expose :count
course_dynamic_expose :news_count
course_dynamic_expose :document_count
course_dynamic_expose :topic_count
@ -63,15 +58,15 @@ module Mobile
course_dynamic_expose :current_user_is_member
course_dynamic_expose :current_user_is_teacher
expose :documents,using:Mobile::Entities::Attachment do |f,opt|
obj = nil
f[:dynamics].each do |d|
if d[:type] == 3
obj = d[:documents]
end
end
obj
end
# expose :documents,using:Mobile::Entities::Attachment do |f,opt|
# obj = nil
# f[:dynamics].each do |d|
# if d[:type] == 3
# obj = d[:documents]
# end
# end
# obj
# end
expose :topics,using:Mobile::Entities::Message do |f,opt|
obj = nil
f[:dynamics].each do |d|

2
app/controllers/news_controller.rb
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@ -77,7 +77,7 @@ class NewsController < ApplicationController
scope_order = scope.all(:include => [:author, :course],
:order => "#{News.table_name}.created_on DESC")
else
scope_order = scope.where("news.title like '#{'%' << params[:subject].to_s << '%'}'").all(:include => [:author, :course],
scope_order = scope.where("#{News.table_name}.title like '#{'%' << params[:subject].to_s << '%'}'").all(:include => [:author, :course],
:order => "#{News.table_name}.created_on DESC")
end

38
app/helpers/api_helper.rb
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@ -1,5 +1,11 @@
# encoding: utf-8
module ApiHelper
ONE_MINUTE = 60 * 1000
ONE_HOUR = 60 * ONE_MINUTE
ONE_DAY = 24 * ONE_HOUR
ONE_MONTH = 30 * ONE_DAY
ONE_YEAR = 12 * ONE_MONTH
#获取用户的工作单位
def get_user_work_unit user
work_unit = ""
@ -163,5 +169,37 @@ module ApiHelper
end
# 获取当前时间
def time_from_now time
lastUpdateTime = time.to_i*1000
currentTime = Time.now.to_i*1000
timePassed = currentTime - lastUpdateTime;
timeIntoFormat = 0
updateAtValue = ""
if timePassed < 0
updateAtValue = "时间有问题"
elsif timePassed < ONE_MINUTE
updateAtValue = "一分钟前"
elsif timePassed < ONE_HOUR
timeIntoFormat = timePassed / ONE_MINUTE
updateAtValue = timeIntoFormat.to_s + "分钟前"
elsif (timePassed < ONE_DAY)
timeIntoFormat = timePassed / ONE_HOUR
updateAtValue = timeIntoFormat.to_s + "小时前"
elsif (timePassed < ONE_MONTH)
timeIntoFormat = timePassed / ONE_DAY
updateAtValue = timeIntoFormat.to_s + "天前"
elsif (timePassed < ONE_YEAR)
timeIntoFormat = timePassed / ONE_MONTH
updateAtValue = timeIntoFormat.to_s + "个月前"
else
timeIntoFormat = timePassed / ONE_YEAR
updateAtValue = timeIntoFormat.to_s + "年前"
end
updateAtValue
end
end

29
app/services/courses_service.rb
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@ -654,18 +654,19 @@ class CoursesService
return
end
if current_user == @user || current_user.admin?
membership = @user.coursememberships.page(1).per(15)
membership = @user.coursememberships
else
membership = @user.coursememberships.page(1).per(15).all(:conditions => Course.visible_condition(current_user))
membership = @user.coursememberships.all(:conditions => Course.visible_condition(current_user))
end
if membership.nil? || membership.count == 0
raise l(:label_no_courses, :locale => get_user_language(current_user))
end
membership.sort! { |older, newer| newer.created_on <=> older.created_on }
#membership.sort! { |older, newer| newer.created_on <=> older.created_on }
#定义一个数组集合，存放hash数组，该hash数组包括课程的信息，并包含课程的最新发布的资源，最新的讨论区留言，最新的作业，最新的通知
result = []
#对用户所有的课程进行循环，找到每个课程最新发布的资源，最新的讨论区留言，最新的作业，最新的通知，并存进数组
membership.each do |mp|
course = mp.course
latest_course_dynamics = []
@ -676,14 +677,12 @@ class CoursesService
latest_course_dynamics << {:type => 1, :time => latest_news.first.created_on,:count=>course.news.count,
:news => latest_news.all}
end
# 课程讨论区
latest_message = course.boards.first.topics.page(1).per(2)
unless latest_message.first.nil?
latest_course_dynamics << {:type => 2, :time => latest_message.first.created_on, :count =>course.boards.nil? ? 0 : course.boards.first.topics.count,
:topics => latest_message.all}
end
# 课程资源
# latest_attachment = course.attachments.order("created_on desc").page(1).per(2)
# unless latest_attachment.first.nil?
@ -701,7 +700,9 @@ class CoursesService
homework_count = course.homework_commons.count
sql = "select users.*,ROUND(sum(student_works.final_score),2) score from student_works left outer join users on student_works.user_id = users.id" <<
" where homework_common_id in ( select id from homework_commons where homework_commons.course_id = #{course.id}) GROUP BY student_works.user_id ORDER BY score desc limit 0,4"
better_students = User.find_by_sql(sql)
# 找出在课程讨论区发帖回帖数最多的
active_students = []
sql1 = " select users.*,count(author_id)*2 active_count from messages " <<
@ -710,6 +711,7 @@ class CoursesService
" GROUP BY messages.author_id ORDER BY count(author_id) desc " <<
" limit 0,4"
active_students = User.find_by_sql(sql1)
if homework_count != 0 && !better_students.empty?
latest_course_dynamics <<{:type=> 6,:time=>"1970-01-01 0:0:0 +0800",:count=> 4,:better_students=> better_students}
end
@ -718,12 +720,25 @@ class CoursesService
end
latest_course_dynamic = latest_course_dynamics.first
unless latest_course_dynamic.nil?
result << {:course_name => course.name,:current_user_is_member => current_user.member_of_course?(course),:current_user_is_teacher => is_course_teacher(current_user,course), :course_id => course.id, :course_img_url => url_to_avatar(course), :course_time => course.time, :course_term => course.term,:message => "", :dynamics => latest_course_dynamics,
:course_student_num=>course ? course.members.count : 0,:time_from_now=> distance_of_time_in_words(Time.now, latest_course_dynamic[:time].to_time) << "前",:time=>latest_course_dynamic[:time].to_time}
result << {:course_name => course.name,
:current_user_is_member => current_user.member_of_course?(course),
:current_user_is_teacher => is_course_teacher(current_user,course),
:course_id => course.id,
:course_img_url => url_to_avatar(course),
:course_time => course.time,
:course_term => course.term,
:message => "",
:dynamics => latest_course_dynamics,
:course_student_num=>course ? course.members.count : 0,
#:time_from_now=> distance_of_time_in_words(Time.now, latest_course_dynamic[:time].to_time) << "前",
:time_from_now=>time_from_now(latest_course_dynamic[:time].to_time), #.strftime('%Y-%m-%d %H:%M:%S').to_s,
:time=>latest_course_dynamic[:time].to_time}
end
end
#返回数组集合
result.sort! { |order, newer| newer[:time] <=> order[:time] }
result
end

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