guoren/app/controllers/chat_controller.rb

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class ChatController < ApplicationController
before_action :logged_in_user
include ChatHelper
def index
@user = current_user
@current_chat_user_name = params[:chat_with]
@chat_with_users = get_chat_with_users(@user)
if !@current_chat_user_name.nil?
@current_chat_user = User.find_by(name: @current_chat_user_name)
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if !@current_chat_user_name.nil?
messages = process_messages(@user, @current_chat_user)
render json: messages
end
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end
end
def new
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# 用户发送新的消息
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@user = current_user
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username = @user.name
userpic = @user.picurl
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msg = params[:msg]
current_chat_user_name = params[:chat_with]
current_chat_user = User.find_by(name: current_chat_user_name)
save_time = DateTime.now
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msg_db = Message.new(content: msg, send_user: @user.id, recieve_user: current_chat_user.id,
create_time: save_time, readed: false)
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if msg_db.save
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render json: {username: username, userpic: userpic, content: msg, time: get_strftime(save_time)}
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else
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render json: {username: username, userpic: userpic, content: "error", time: get_strftime(save_time)}
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end
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end
def notify
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# 获取未读短信数
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@user = current_user
render json: {unreaded: unread_msg_num(@user)}
end
def online
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# # 获取未读短信和对对应的联系人
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@user = current_user
results = unread_msg_users(@user)
if results.empty?
results = nil
end
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render json: {users: results}
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end
def query
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# 添加新的联系人
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@user = current_user
query_name = params[:username]
all_user_names = params[:all]
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query_pic = String.new()
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if all_user_names.nil?
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query_user = User.find_by(name: query_name)
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if query_user.nil?
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query_name = nil
ok = false
else
query_name = query_user.name
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query_pic = query_user.picurl
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ok = true
end
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else
if all_user_names.include? query_name or query_name == @user.name
query_name = nil
ok = false
else
query_user = User.find_by(name: query_name)
if query_user.nil?
query_name = nil
ok = false
else
query_name = query_user.name
query_pic = query_user.picurl
ok = true
end
end
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end
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render json: {username: query_name, userpic: query_pic, ok: ok}
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end
end