logistics/sell/logistic_price/us_price.py

import pandas as pd
import math
from utils.gtools import MySQLconnect,DBconnect
# 取计算订单物流费的参数
with DBconnect() as db:
    express_dict= pd.read_sql("SELECT * FROM us_shop_logistics",db.eng)

# 构建字典
air_small_dict = dict(zip(express_dict['g'], express_dict["空运usps_v2"]))
air_big_dict = dict(zip(express_dict['g'], express_dict["空运fedex_v2"]))
ocean_price_dict = dict(zip(express_dict['g'], express_dict["海运物流配置_v2"]))
def ocean_order_price(packages):
    express_fee = 0 # 快递基础费
    long_fee = 0 # 超长费
    weight_fee = 0 # 超重费
    big_fee = 0 # 大包裹费
    express_type = ''
    express_type_weight = ''
    express_type_length = ''
    for package in packages:
        for key, value in ocean_price_dict.items():
            if max(package.get_volume_weight(8500)*1000, package.weight) <=key:
                express_fee+=value
                break
        if package.fst_size>=116 or package.sed_size>=71 or package.girth>=251:
            long_fee += 16.3
            if express_type_length == '':
                express_type_length ="超长"
        if package.weight>=21000 and package.fst_size<238 and package.girth<315:
            weight_fee+=25.5
            express_type_weight ="超重"
        if package.fst_size>=238 or package.girth>=315:
            big_fee+=61.6
            express_type_length ="大包裹"
    express_fee = express_fee + long_fee + weight_fee + big_fee
    express_type = express_type_length + express_type_weight

    # 卡派（步长为3）
    ltl_base = 0
    ltl_fee = 0
    count1 = 0
    count2 = 0
    count3 = 0
    count4 = 0
    ltl_type = '卡派'
    order_type_length=''
    order_type_weight=''
    order_ltl_oversize = 0
    order_ltl_overweight1 = 0
    order_ltl_overweight2 = 0
    order_ltl_overpackage = 0
    sku_total_cubic_feet = 0
    for package in packages:
        cubic_feet= package.length * package.width * package.height / 1000000 * 35.3
        sku_total_cubic_feet += cubic_feet
        # 卡派额外费用
        if package.fst_size>= 250:
            count1 += 1
            order_ltl_oversize = 118
            if order_type_length == '':
                order_type_length = '超长'
        if package.weight >= 111000:
            count2 += 1
            order_ltl_overweight1 = 78
            order_type_weight = '超重'
        if package.weight >= 130000:
            count3 += 1
            order_ltl_overweight2 = 30
        if package.fst_size >= 310:
            count4 += 1
            order_ltl_overpackage = 30
            order_type_length = '大包裹'
        order_type2 = ltl_type +order_type_length+ order_type_weight

    # 卡派基础费用 体积/1000000 *35.3
    if sku_total_cubic_feet < 25:
        ltl_base = round(163 / 0.45 / 2, 2)  # 181.11

    elif sku_total_cubic_feet < 35:
        ltl_base = round(180 / 0.45 / 2, 2)  # 200
    else:
	        # 大于一个立方的（35立方英尺） 按照每立方英尺*5美金
        # 最低为190美金
        ltl_base = round(max(190, 5 * sku_total_cubic_feet) / 0.359 / 2)

        
    ltl_fee = math.ceil(count1 / 3) * order_ltl_oversize + math.ceil(count2 / 3) * order_ltl_overweight1 + math.ceil(
        count3 / 3) * order_ltl_overweight2 + math.ceil(count4 / 3) * order_ltl_overpackage + ltl_base

    if ltl_fee < express_fee:
        ocean_fee = ltl_fee
        order_type = order_type2
    else:
       ocean_fee = express_fee
       order_type = express_type
    return ocean_fee, order_type

def air_order_price(packages):
    express_fee = 0 
    express_type = ''
    for package in packages:
        price=0
        bill_weight = max(package.weight, package.get_volume_weight(8500))
        if package.weight<=420 and package.fst_size<=50 and package.sed_size<=40 and package.trd_size<=30:
            for key, value in air_small_dict.items():
                if package.weight <=key:
                    price =value
                    break
        elif package.weight<=2718 and package.fst_size<=50 and package.sed_size<=40 and package.trd_size<=30:
            for key, value in air_small_dict.items():
                if bill_weight <=key:
                    price =value
                    break
        else:
            for key, value in air_big_dict.items():
                if bill_weight <=key:
                    price =value
                    break
        if package.weight<=420:
            express_fee+=((((min(max(package.density,37),337)*0.093+27.7)/6+0.65)*package.get_volume_weight(6000))*0.3+price)/0.45
            if express_type == '':
                express_type='USPS'
        elif package.weight<=2718:
            express_fee+=(((min(max(package.density,37),337)*0.093+27.7)/6+0.65)*package.get_volume_weight(8500)*0.3+price)/0.45
            if express_type == '' or express_type == 'USPS':
                express_type='UandF'
        else:
            express_fee+=(((min(max(package.density,37),337)*0.093+27.7-1.08)/6+0.65-1.06)*package.get_volume_weight(8500))/0.45+price
            express_type='FEDEX'
    return express_fee, express_type