--失败书籍
local M = {}
local mysqldbx = require "mysqldbx"
local tools = require "tools"
local skynet = require "skynet"
local cjson = require "cjson"

function M.delete_other_book(msg_body)
    local isok ,key =  tools.checkData({"id_list"},msg_body)
    if not isok then
        return false,string.format("缺少字段： %s.", key)
    end
    for i = 1, #msg_body.id_list, 1 do
        local id = msg_body.id_list[i]
        local sql = string.format("DELETE FROM other_book WHERE id = %d ",id)
        mysqldbx.query(sql)
    end
    return true, {}
end


function M.search_other_book(msg_body)
    local isok ,key =  tools.checkData({"page_size","page_number","tg_platform_id","product_id"},msg_body)
    if not isok then
        return false,string.format("缺少字段： %s.", key)
    end
    local page_size = msg_body.page_size
    local page_number = msg_body.page_number
    local offset = (page_number - 1) * page_size
    
    local product_id_param = ""
    if msg_body.product_id~="" then
        product_id_param = string.format(" AND product_id = '%s' " ,msg_body.product_id )
    end
    
    local tg_platform_id_param = ""
    if msg_body.tg_platform_id~="" then
        tg_platform_id_param =  " AND tg_platform_id = "..msg_body.tg_platform_id.." "
    end

    local param = product_id_param..tg_platform_id_param
    local sql = "SELECT * FROM other_book where 1=1 "..param..string.format(" LIMIT %d OFFSET %d ",page_size, offset)
    local list = mysqldbx.query(sql)
    sql = "SELECT   COUNT(*) AS total  FROM other_book  where 1=1 "..param
    local total = mysqldbx.query(sql)
    return true,list,total[1].total
end

return M