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class CnmoocsService
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include ApplicationHelper
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include GamesHelper
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def get_resources_data params
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page = params[:pageNo].to_i
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limit = params[:pageSize] || 16
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offset = page * limit.to_i
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resouces = []
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if params[:level].to_s == "1"
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subjects = Subject.find_by_sql("SELECT subjects.id, subjects.name, subjects.status, COUNT(myshixuns.id) AS myshixun_member_count
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FROM myshixuns, stage_shixuns, subjects WHERE myshixuns.shixun_id = stage_shixuns.shixun_id
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AND stage_shixuns.subject_id = subjects.id AND `subjects`.`hidden` = 0 AND `subjects`.`status` = 2
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GROUP BY subjects.id ORDER BY myshixun_member_count DESC limit #{offset},#{limit}")
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subjects.each do |subject|
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resouces << {resouceId: subject.id, parentId: nil, resouceName: subject.name, accessType: 0, nodeType: 0,
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resouceType: 2}
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end
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totalCount = Subject.where(:status => 2, :hidden => 0).count
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count = subjects.count
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elsif params[:level].to_s == "2"
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return {error: -1, messages: "请求二级及其更高目录时，parentId不能为空"} if params[:parentId].blank?
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stages = Stage.where(:subject_id => params[:parentId]).offset(offset).limit(limit)
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stages.each do |stage|
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resouces << {resouceId: stage.id, parentId: params[:parentId], resouceName: stage.name, accessType: 0, nodeType: 0,
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resouceType: 2}
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end
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totalCount = Stage.where(:subject_id => params[:parentId]).count
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count = stages.count
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elsif params[:level].to_s == "3"
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return {error: -1, messages: "请求二级及其更高目录时，parentId不能为空"} if params[:parentId].blank?
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shixun_ids = StageShixun.where(:stage_id => params[:parentId]).pluck(:shixun_id)
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shixuns = Shixun.where(:id => shixun_ids).offset(offset).limit(limit)
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shixuns.each do |shixun|
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resouces << {resouceId: shixun.id, parentId: params[:parentId], resouceName: shixun.name, accessType: 2,
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nodeType: 1, resouceType: 1}
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end
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totalCount = Shixun.where(:id => shixun_ids).count
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count = shixuns.count
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end
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pageCount = ((totalCount / limit.to_f) == (totalCount / limit)) ? (totalCount / limit) : ((totalCount / limit) + 1)
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{error: 0, messages: "请求成功",
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page: {count: count, totalCount: totalCount, pageNo: page, pageSize: limit, pageCount: pageCount},
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data: {resouces: resouces} }
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end
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def search_resources params
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page = params[:pageNo].to_i
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limit = params[:pageSize] || 16
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offset = page * limit.to_i
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shixuns = Shixun.select([:id, :identifier, :name, :myshixuns_count, :averge_star, :challenges_count, :trainee]).
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where(status: 2, hidden: 0).where("name like ?", "%#{params[:name]}%")
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shixun_count = shixuns.count
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pageCount = ((shixun_count / limit.to_f) == (shixun_count / limit)) ? (shixun_count / limit) : ((shixun_count / limit) + 1)
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shixuns = shixuns.order("myshixuns_count desc").offset(offset).limit(limit)
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shixun_list = shixun_data shixuns
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{error: 0, messages: "请求成功",
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page: {count: shixuns.count, totalCount: shixun_count, pageNo: page, pageSize: limit, pageCount: pageCount},
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data: shixun_list }
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end
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def find_user params
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c_user = CnmoocUser.find_by_uuid(params[:userName])
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if c_user
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{error: 0, messages: "找到用户", data: { userId: c_user.user_id } }
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else
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{error: -1, messages: "找不到用户"}
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end
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end
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def create_user(params)
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c_user = CnmoocUser.find_by_uuid(params[:userName])
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if c_user.present?
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return { error: -1, messages: '用户已存在' }
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end
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c_user = CnmoocUser.new(uuid: params[:userName], name: params[:name])
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mail = params[:email] || c_user.generate_email
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name = params[:name] || "好大学_#{params[:userName]}"
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login = generate_login('m')
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Rails.logger.info("#######mail: #{mail}， #{name}, #{login}")
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create_params = {
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lastname: name,
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mail: mail,
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mail_notification: mail,
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password: OauthController::DEFAULT_PASSWORD,
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certification: 1
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}
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user = User.new(create_params)
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# login 有问题，只能这样赋值
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user.login = login
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ActiveRecord::Base.transaction do
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user.save!
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UserExtensions.create!(user_id: user.id, school_id: School.first.id, identity: 4, gender: 0)
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c_user.user_id = user.id
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c_user.save!
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end
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{ error: 0, messages: "创建成功", data: { userId: user.id } }
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end
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def login_educoder params
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user, last_login_on = User.try_to_login(params[:mail], params[:password])
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if user
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self.logged_user = user
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{error: 0, messages: "登录成功"}
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else
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{error: -1, messages: "登录失败，请检查邮箱和密码是否正确"}
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end
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end
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def source_url(params)
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shixun = Shixun.find_by_identifier(params[:resouceId])
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if shixun.blank?
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return { error: -1, messages: '资源不存在' }
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end
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{ error: 0, messages: '成功', accessUrl: "#{Redmine::Configuration['educoder_domain']}/shixuns/#{shixun.identifier}" }
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end
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def get_students_data params
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shixun = Shixun.find_by_id params[:resouceId]
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return {error: -1, messages: "资源id不对，请使用资源的id查找"} if shixun.blank?
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myshixun = shixun.myshixuns.where(:user_id => params[:userId]).includes(:games).first
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if myshixun.present?
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score = myshixun.total_score
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time = 0
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myshixun.games.each do |game|
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time += game.consumes_time_int
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end
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{error: 0, messages: '成功', data: {time: time, score: score * 10}}
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else
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{error: -1, messages: '用户还未开始学习此资源'}
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end
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end
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private
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def shixun_data shixuns
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shixun_list = []
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shixuns.includes(:tag_repertoires).each do |shixun|
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tag_name = shixun.tag_repertoires.first.try(:name)
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level = %W(初级 中级 高级 顶级)[shixun.trainee - 1]
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shixun_list << {identifier: shixun.identifier, name: shixun.name, students_count: shixun.myshixuns_count,
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challenges_count: shixun.challenges_count, score_info: shixun.averge_star, level: level}
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end
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{resouces: shixun_list}
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end
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# 为新创建的用户随机生成以m为前缀的用户名，m表示该用户是用邮箱注册
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def generate_login(login_pre)
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us = UsersService.new
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us.generate_user_login(login_pre)
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end
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end
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