# encoding: utf-8 require 'digest/sha2' class User < ActiveRecord::Base validates :email, format: {with: /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i, message: '请填写有效电子邮箱'}, :on => :create validates :password, format: {with: /^[a-zA-Z0-9~@#%&_\.\-\^\$\*\!\+\=]{6,16}$/,message: '必须由6-16个字母、数字或特殊字符组成'}, :on => :create validates :password, :confirmation => true , :on => :create validates :name ,format: {with: /^[\u4e00-\u9fa5]{2,4}$/,message: '中文姓名必须由2到4个汉字组成'} validates :city ,format: {with: /^[\u4e00-\u9fa5]{2,10}$/,message: '地名必须由2到10个汉字组成'} validates :agree, inclusion: { in: %w(1), message: "%{value} is invalid." } validates :status, inclusion: { in: %w(0 1 2), message: "%{value} is invalid." } validates :gender, inclusion: { in: %w(0 1), message: "%{value} is invalid." } attr_accessor :password_confirmation attr_reader :password validate :password_must_be_present validate :email_unique, :on=> :create before_create :make_activation_code, :set_pinyin has_many :posts has_many :comments has_many :groups has_many :requestee_relationships,:class_name=>"Relationship",:foreign_key=>"requester_id" has_many :requestees,:through=>:requestee_relationships,:source=>:requestee has_many :requester_relationships,:class_name=>"Relationship",:foreign_key=>"requestee_id" has_many :requesters,:through=>:requester_relationships,:source=>:requester STATUS = {"0" => "未工作","1"=>"在上学" ,"2"=>"在工作"} UserPath="#{Rails.root.to_s}/public/uploads/users" #UserPath="#{Rails.root.to_s}/public/上传/用户" # 'password' is a virtual attribute def password=(password) @password = password if password.present? generate_salt self.encrypted_password = self.class.encrypt_password(password, salt) end end def active? activation_code.nil? end # Activates the user in the database. def activate! activate save(:validate => false) end def activate @activated = true self.activated_at = Time.now self.activation_code = nil end # Returns true if the user has just been activated. def recently_activated? @activated end =begin select user_id,count(user_id) as same from friendships where friend_id in (select friend_id from friendships where user_id=1 ) and user_id in (6,7,8,9,10,16,17,18,19,20) and friend_id<>1 group by user_id order by same desc =end #有共同好友的,从好友的好友中找,不包含已经发送请求或是好友关系的 def suggested_friends rs1=Relationship.where("requester_id='#{self.id}' and (status='pending' or status='accepted')") ids1= rs1.map{|r| r.requestee_id} rs2=Relationship.where("requestee_id='#{self.id}' and (status='pending' or status='accepted')") ids2 = rs2.map{|r| r.requester_id} rs3 = User.all(:conditions=>["activation_code is NULL and id not in (?)",ids1+ids2+[self.id]]) ids3 =rs3.map{|r| r.id} _ids3=ids3.join(",") rs=ActiveRecord::Base.connection.execute("select user_id,friend_id from friendships where friend_id in (select friend_id from friendships where user_id='#{self.id}' ) and user_id in (#{_ids3}) and friend_id<>'#{self.id}'") hash={} rs.each_with_index do |r,i| hash[r[0]]=[] if hash[r[0]].nil? hash[r[0]] << r[1] end users = rs3.select{|r| hash.keys.include? r.id} users.sort_by! {|u| -hash[u.id].count} return users,hash end def search(keyword) rs1=Relationship.where("requester_id='#{self.id}' and (status='pending' or status='accepted')") ids1= rs1.map{|r| r.requestee_id} rs2=Relationship.where("requestee_id='#{self.id}' and (status='pending' or status='accepted')") ids2 = rs2.map{|r| r.requester_id} User.all(:conditions=>["activation_code is NULL and id not in (?)",ids1+ids2+[self.id]]) end def is_friend_of?(user_id) arr1 = Relationship.where("requester_id='#{self.id}' and requestee_id='#{user_id}'") arr2 = Relationship.where("requestee_id='#{self.id}' and requester_id='#{user_id}'") return true if !arr1.empty? and arr1[0].status=="accepted" return true if !arr2.empty? and arr2[0].status=="accepted" return false end def friends(group) if group.nil? or group=~/^\-\d+$/ or group=~/^\d+$/ _group = group.to_i if group.nil? or _group ==-3 a = self.requesters.where("relationships.status='accepted'") b = self.requestees.where("relationships.status='accepted'") return a+b elsif _group>-3 fs= Friendship.where("user_id='#{self.id}' and group_id='#{group}'") ids = fs.map{|f| f.friend_id } return User.all(:conditions=>["id in (?)",ids]) end elsif ('a'..'z').include?(group.downcase) fs= Friendship.where("user_id='#{self.id}'") ids = fs.map{|f| f.friend_id } return User.all(:conditions=>["id in (?) and pinyin like ?",ids,"#{group.downcase}%"]) else [] end end def self.same_friend(user_id,id) rs=ActiveRecord::Base.connection.execute("select user_id,friend_id from friendships where friend_id in (select friend_id from friendships where user_id='#{user_id}' ) and user_id='#{id}' and friend_id<>'#{user_id}'") rs.count end =begin select distinct relationships.requestee_id,friendships.group_id from relationships left join friendships on friendships.relationship_id=relationships.id where relationships.requester_id=1 and relationships.status='accepted'; select distinct relationships.requester_id,friendships.group_id from relationships left join friendships on friendships.relationship_id=relationships.id where relationships.requestee_id=1 and relationships.status='accepted'; =end class << self def birth(year,month,day) #20.days.ago.to_date.to_s return year + "-" +month+ "-" +day end def authenticate(email, password) if user = find_by_email(email) if user.encrypted_password == encrypt_password(password, user.salt) if user.active? return [true,user] else return [false,user] end end end [false,nil] end def encrypt_password(password, salt) Digest::SHA2.hexdigest(password + "wibble" + salt) end def secure_digest(*args) Digest::SHA2.hexdigest(args.flatten.join('--')) end def make_token secure_digest(Time.now, (1..10).map{ rand.to_s }) end def valid_image?(file) format = file.original_filename.split(".")[-1] =~ /jpg|jpeg|png|gif|bmp/ size = file.size <= 2*1024*1024 #小于2M format&&size end end def User.another_user?(current_user,another) current_user && current_user.id != another.to_i end def self.upload_logo(hash) path= "/#{hash[:id]}/logo" FileUtils.mkdir_p "#{UserPath}#{path}" original_type = hash[:uploaded_logo].original_filename.split(".")[-1] basename = File.basename(hash[:uploaded_logo].original_filename,".*") _now = Time.now.strftime("%Y%m%d%H%M%S") _path = "/#{UserPath.split("/")[-2..-1].join("/")}" logo_name = basename.force_encoding("UTF-8") save_logo_path = "#{UserPath}#{path}/#{logo_name}_#{_now}.#{original_type}" logo_path="#{_path}#{path}/#{logo_name}_#{_now}.#{original_type}" small_logo_name = "#{basename}_small" save_small_logo_path="#{UserPath}#{path}/#{small_logo_name}#{_now}.#{original_type}" small_logo_path="#{_path}#{path}/#{small_logo_name}#{_now}.#{original_type}" medium_logo_name = "#{basename}_medium" save_medium_logo_path="#{UserPath}#{path}/#{medium_logo_name}#{_now}.#{original_type}" medium_logo_path="#{_path}#{path}/#{medium_logo_name}#{_now}.#{original_type}" large_logo_name = "#{basename}_large" save_large_logo_path = "#{UserPath}#{path}/#{large_logo_name}#{_now}.#{original_type}" large_logo_path = "#{_path}#{path}/#{large_logo_name}#{_now}.#{original_type}" File.open(save_logo_path,"wb") do |file| file.write hash[:uploaded_logo].read end img = Magick::Image.from_blob(hash[:uploaded_logo].read)[0] img.write(save_logo_path) thumbnail = img.resize_to_fill(50, 50) thumbnail.write(save_small_logo_path) thumbnail = img.resize_to_fill(120, 120) thumbnail.write(save_medium_logo_path) thumbnail = img.resize_to_fill(180, 180) thumbnail.write(save_large_logo_path) [logo_name,logo_path,small_logo_path,medium_logo_path,large_logo_path] end private def password_must_be_present errors.add(:password, "Missing password") unless encrypted_password.present? end def email_unique if User.find_by_email(self.email) errors.add(:email,"该邮箱已经注册,请您换一个邮箱") end end def birth_valid?(year, month,day) begin @date = Date.new(year.to_i, month.to_i, day.to_i) return @date>=Date.new(1900,1,1)&&@date<=Time.now.to_date rescue ArgumentError return false end end def check_birth unless birth_valid? errors.add(:birth,"日期格式错误或不在范围内") end end def generate_salt self.salt = self.object_id.to_s + rand.to_s end def make_activation_code self.activation_code = self.class.make_token end def set_pinyin self.pinyin = PinYin.of_string(self.name, :ascii).join.gsub!(/\d/,"") end end =begin self.errors.add_to_base(self.class.instance_variable_get(:@message)) self.errors.add(:captcha, self.class.instance_variable_get(:@message)) flash.now[:error] @reply.errors.full_messages.join(',') DUPLICATE_RECORD_ERRORS = [ /^Mysql::Error:\s+Duplicate\s+entry\b/, /^PG::Error:\s+ERROR:\s+duplicate\s+key\b/, /\bConstraintException\b/ ] def self.duplicate_record_error?(error) error.class.name == 'ActiveRecord::RecordNotUnique' or DUPLICATE_RECORD_ERRORS.any? { |re| re =~ error.message } end =end
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