--[[
Descripttion:
version:
Author: Neo,Huang
Date: 2022-07-04 11:24:54
LastEditors: Neo,Huang
LastEditTime: 2022-07-05 10:11:23
--]]
local root = {}

-- 合并列表 - 物品ID不重复
function root:items_merge(dst, src)
    if is_empty(src) then
        return dst
    end
    for k, v in ipairs(src) do
        dst = root.add_item_to_items(dst, v)
    end
    return dst
end

-- 合并 - 物品ID不重复
function root:add_item_to_items(dst, item)
    if is_empty(item) then
        return dst
    end
    local items = table.copy(dst or {}, true)
    local isMatch = false
    for k, v in ipairs(items) do
        if v.id == item.id then
            if v.count == nil then
                v.count = 0
            end
            v.count = v.count + item.count
            isMatch = true
        end
    end
    if not isMatch then
        table.insert(items, item)
    end
    return items
end

return root