423 lines
19 KiB
Python
423 lines
19 KiB
Python
from apps.system.models import Dept, User
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from apps.sam.models import OrderItem
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from apps.mtm.models import Route, Material, Mgroup, Process
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from rest_framework.exceptions import ParseError
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from apps.pm.models import Mtask, Utask
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from django.db.models.query import QuerySet
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from django.utils import timezone
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from datetime import date, timedelta
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import math
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from typing import List, Union
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from collections import defaultdict, deque
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class PmService:
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@classmethod
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def cal_x_task_count(cls, target_materialId: str, target_quantity, route_qs):
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# 构建逆向依赖图 {输出物料ID: [生产该物料的Route]}
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graph = defaultdict(list)
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graphin = defaultdict(list)
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for route in route_qs:
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if route.material_out: # 确保输出物料存在
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graph[route.material_out.id].append(route)
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if route.material_in: # 确保输入物料存在
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graphin[route.material_in.id].append((route, False))
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# 存储每个物料的需求量
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demands = defaultdict(float)
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demands[target_materialId] = target_quantity
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step_production = defaultdict(int)
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# 逆向遍历队列，从目标物料开始
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queue = deque([target_materialId])
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visited = set() # 防止重复处理
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while queue:
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current_out_id = queue.popleft()
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if current_out_id in visited:
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continue
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visited.add(current_out_id)
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current_demand = demands.get(current_out_id, 0)
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if current_demand <= 0:
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continue
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# 获取生产该物料的所有Route
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routes = graph.get(current_out_id, [])
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if not routes:
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continue # 无生产路线，无法继续逆向
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# 平均分配需求到各Route（根据业务需求可能需要调整分配策略）
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routes_count = len(routes)
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base_demand = current_demand // routes_count
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remainder = current_demand % routes_count
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for i, route in enumerate(routes):
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# 分配任务数
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task_count = base_demand + 1 if i < remainder else base_demand
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step_production[route.id] = task_count # 累加任务数
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# 根据工序类型计算所需输入物料
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if route.process.mtype == 20: # 拆分工序
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input_needed = math.ceil(task_count / route.div_number / (route.out_rate / 100))
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elif route.process.mtype == 30: # 合并工序
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input_needed = math.ceil(task_count * route.div_number / (route.out_rate / 100))
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else: # 普通工序
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input_needed = math.ceil(task_count / (route.out_rate / 100))
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# 更新输入物料需求并加入队列
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if route.material_in:
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input_material_id = route.material_in.id
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demands[input_material_id] += input_needed
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for index, (route_in, _) in enumerate(graphin[input_material_id]):
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if route_in == route:
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graphin[input_material_id][index] = (route_in, True)
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can_append = True
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for route_in, caled in graphin[input_material_id]:
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if caled is False:
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can_append = False
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break
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if can_append:
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queue.append(input_material_id)
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# 返回各Route的任务数量
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return {route.id: step_production.get(route.id, 0) for route in route_qs}
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@classmethod
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def cal_real_task_count(cls, count: int, rate_list):
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"""
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废弃
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计算实际任务数
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"""
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r_list = []
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rate_len = len(rate_list)
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for ind, val in enumerate(rate_list):
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indx = ind*1
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xcount = count*1
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while indx < rate_len:
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if indx + 1 == rate_len: # 循环到最后一步
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break
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div_number0 = 1
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rate, div_number, mtype, rq = rate_list[indx+1]
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if rq.parent is not None:
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xcount = 0
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else:
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if mtype == Process.PRO_DIV:
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div_number0 = div_number
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elif mtype == Process.PRO_MERGE:
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div_number0 = 1/div_number
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xcount = xcount/(rate/100)/div_number0
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indx = indx + 1
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r_list.append(math.ceil(xcount))
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return r_list
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@classmethod
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def make_utasks_from_orderitems(cls, user, orderitemIds: List[str], start_date: date, end_date: date, belong_dept: Union[Dept, None]):
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start_date_str = start_date.strftime('%Y%m%d')
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if start_date >= end_date:
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raise ParseError('开始时间不可大于结束时间')
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orderitems = OrderItem.objects.filter(pk__in=orderitemIds)
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if orderitems.exclude(utask=None).exists():
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raise ParseError('存在订单项已排任务!')
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rdict = {}
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for item in orderitems:
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productId = item.material.id
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if productId not in rdict:
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rdict[productId] = [item.material, item.count, [item.id]]
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else:
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rdict[productId][1] = rdict[productId][1] + item.count
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rdict[productId][2].append(item.id)
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# 生成大任务
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make_list = []
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for k, v in rdict.items():
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xproduct, xcount, orderitemsId = v
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if xproduct.is_assemb:
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for key in xproduct.components:
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make_list.append([Material.objects.get(
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id=key), xcount*xproduct.components[key], orderitemsId])
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else:
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make_list = [[xproduct, xcount, orderitemsId]]
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for i in make_list:
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material, count, orderitemsId = i
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utask = Utask.objects.create(
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number=f'{material.number}_{start_date_str}',
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material=material,
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count=count,
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start_date=start_date,
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end_date=end_date,
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create_by=user,
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update_by=user,
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belong_dept=belong_dept
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)
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OrderItem.objects.filter(id__in=orderitemIds).update(utask=utask)
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@classmethod
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def schedue_mtasks(cls, user, utask: Utask, schedule_type: str = "to_day"):
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"""
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param schedule_type: to_day/to_mgroup
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从大任务自动排产出小任务(按工段/按天分配)
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"""
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# from apps.wpm.services import make_sflogs
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if utask.state != Utask.UTASK_CREATED:
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raise ParseError('任务状态异常')
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utask.state = Utask.UTASK_DECOMPOSE
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utask.save()
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number, product, count, start_date, end_date = utask.number, utask.material, utask.count, utask.start_date, utask.end_date
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# 计算相差天数
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rela_days = (end_date - start_date).days + 1
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if utask.mgroup: # 如果存在指定的mgroup则直接排产
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if schedule_type == 'to_day':
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if rela_days >= 1:
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task_count_day = math.ceil(count/rela_days)
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for i in range(rela_days):
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task_date = start_date + timedelta(days=i)
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Mtask.objects.create(**{
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'type': utask.type,
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'number': f'{number}_{i+1}',
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'material_out': utask.material,
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'material_in': utask.material_in,
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'mgroup': utask.mgroup,
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'count': task_count_day,
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'start_date': task_date,
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'end_date': task_date,
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'utask': utask,
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'create_by': user,
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'update_by': user,
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'is_count_utask': True
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})
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elif schedule_type == 'to_mgroup':
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Mtask.objects.create(**{
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'type': utask.type,
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'number': f'{number}_r1',
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'material_out': product,
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'material_in': utask.material_in,
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'mgroup': utask.mgroup,
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'count': count,
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'start_date': start_date,
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'end_date': end_date,
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'utask': utask,
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'create_by': user,
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'update_by': user,
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'is_count_utask': True
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})
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else:
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raise ParseError('不支持的排产类型')
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else:
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# 获取产品的加工路线
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if utask.routepack: # 指定工艺路线
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gjson_item = utask.routepack.get_gjson(final_material_id=product.id)
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if not gjson_item:
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raise ParseError("缺少该产品的生产子图")
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rqs = Route.get_routes(routeIds=gjson_item["routes"])
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else:
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rqs = Route.get_routes(material=product)
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if not rqs.exists():
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raise ParseError('未配置工艺路线')
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# 通过出材率校正任务数, out_rate 默认为 100
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Route.validate_dag(product, rqs)
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r_count_dict = cls.cal_x_task_count(product.id, count, rqs)
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# 创建小任务
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for ind, (routeId, count) in enumerate(r_count_dict.items()):
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route = Route.objects.get(id=routeId)
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material_in, material_out = route.material_in, route.material_out
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if route.is_autotask:
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# 找到工段
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mgroups = Mgroup.objects.filter(process=route.process)
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mgroups_count = mgroups.count()
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if mgroups_count == 1:
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pass
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elif mgroups_count == 0:
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raise ParseError(f'第{ind+1}步-工段不存在!')
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else: # 存在同一工序的多个工段，先平均分配
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pass
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if schedule_type == 'to_day':
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if mgroups_count > 1:
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raise ParseError(f'第{ind+1}步-工段存在多个!')
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mgroup = mgroups.first()
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task_count_day = math.ceil(count/rela_days)
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if rela_days >= 1:
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for i in range(rela_days):
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task_date = start_date + timedelta(days=i)
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Mtask.objects.create(**{
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'route': route,
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'number': f'{number}_r{ind+1}_{i+1}',
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'type': utask.type,
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'material_out': material_out,
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'material_in': material_in,
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'mgroup': mgroup,
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'count': task_count_day,
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'start_date': task_date,
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'end_date': task_date,
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'utask': utask,
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'create_by': user,
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'update_by': user,
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'is_count_utask': route.is_count_utask
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})
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elif schedule_type == 'to_mgroup':
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base_demand = count // mgroups_count
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remainder = count % mgroups_count
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for indx, mgroup in enumerate(mgroups):
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Mtask.objects.create(**{
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'route': route,
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'number': f'{number}_r{ind+1}_m{indx+1}',
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'type': utask.type,
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'material_out': material_out,
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'material_in': material_in,
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'mgroup': mgroup,
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'count': base_demand + 1 if indx < remainder else base_demand,
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'start_date': start_date,
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'end_date': end_date,
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'utask': utask,
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'create_by': user,
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'update_by': user,
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'hour_work': route.hour_work,
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'is_count_utask': route.is_count_utask
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})
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else:
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raise ParseError('不支持的排产类型')
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@classmethod
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def check_orderitems(cls, orderitems: QuerySet[OrderItem]):
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"""
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废弃
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校验orderitems并返回整合后的字典以productId为key, [product, count, end_date, orderitems] 为value
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"""
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rdict = {}
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if orderitems.exclude(mtask=None).exists():
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raise ParseError('存在订单项已排任务!')
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for item in orderitems:
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productId = item.material.id
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if productId not in rdict:
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rdict[productId] = [item.material, item.count,
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item.order.delivery_date, [item.id]]
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else:
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order_date = item.order.delivery_date
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if rdict[productId][2] > order_date:
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rdict[productId][2] = order_date
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rdict[productId][1] = rdict[productId][1] + item.count
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rdict[productId][3].append(item.id)
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return rdict
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@classmethod
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def schedue_from_orderitems(cls, user, orderitemIds: List[str], start_date: date, end_date: date = None):
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"""
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废弃
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从多个订单明细自动排产
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"""
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orderitems = OrderItem.objects.filter(pk__in=orderitemIds)
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rdict = cls.check_orderitems(orderitems)
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start_date_str = start_date.strftime('%Y%m%d')
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for k, v in rdict.items():
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xproduct, xcount, end_date_cal, orderitemId_list = v
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if end_date is None:
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end_date = end_date_cal
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if start_date >= end_date:
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raise ParseError('开始时间不可大于结束时间')
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# 计算相差天数
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rela_days = (end_date - start_date).days + 1
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make_list = []
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if xproduct.is_assemb:
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for key in xproduct.components:
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make_list.append([Material.objects.get(
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id=key), xcount*xproduct.components[key], end_date, orderitemId_list])
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else:
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make_list = [[xproduct, xcount, end_date, orderitemId_list]]
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for i in make_list:
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product, count, end_date, orderitemId_list = i
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# 获取每个产品的加工路线
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rqs = Route.get_routes(product)
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lasttask = None
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# 创建父任务
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for ind, val in enumerate(rqs):
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if val.material_out:
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halfgood = val.material_out
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else:
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raise ParseError(f'第{ind+1}步-无输出物料')
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if val.material_in:
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material_in = val.material_in
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elif ind > 0:
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material_in = rqs[ind-1].material_out
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if val.is_autotask:
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# 找到工段
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mgroups = Mgroup.objects.filter(process=val.process)
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mgroups_count = mgroups.count()
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if mgroups_count == 1:
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mgroup = mgroups.first()
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elif mgroups_count == 0:
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raise ParseError(f'第{ind+1}步-工段不存在!')
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else: # 后面可能会指定车间
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raise ParseError(f'第{ind+1}步-工段存在多个!')
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task_count = count
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if val.out_rate:
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if val.out_rate > 1:
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task_count = math.ceil(
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count / (val.out_rate/100))
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else:
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task_count = math.ceil(count / val.out_rate)
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fmtask = Mtask.objects.create(**{
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'number': f'{product.number}_{start_date_str}_r{ind+1}',
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'material_out': halfgood,
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'material_in': material_in,
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'mgroup': mgroup,
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'count': task_count,
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'start_date': start_date,
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'end_date': end_date,
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'create_by': user,
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'update_by': user,
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})
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task_count_day = math.ceil(task_count/rela_days)
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if rela_days > 1:
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for i in range(rela_days):
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task_date = start_date + timedelta(days=i)
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Mtask.objects.create(**{
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'number': f'{fmtask.number}_{i+1}',
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'material_out': halfgood,
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'material_in': material_in,
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'mgroup': mgroup,
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'count': task_count_day,
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'start_date': task_date,
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'end_date': task_date,
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'parent': fmtask,
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'create_by': user,
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'update_by': user
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})
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lasttask = fmtask
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OrderItem.objects.filter(
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id__in=orderitemId_list).update(mtask=lasttask)
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from apps.sam.tasks import change_order_state_when_schedue
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change_order_state_when_schedue(orderitemIds)
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@classmethod
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def mtask_submit(cls, mtask: Mtask, user: User):
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"""
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生产任务提交
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"""
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from apps.wpm.models import Mlog
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now = timezone.now()
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if mtask.state == Mtask.MTASK_ASSGINED:
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mlogs = Mlog.objects.filter(mtask=mtask)|Mlog.objects.filter(b_mlog__mtask=mtask)
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if not mlogs.exists():
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raise ParseError('该任务没有日志')
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if mlogs.filter(submit_time__isnull=True).exists():
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raise ParseError('存在未提交的日志')
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mtask.state = Mtask.MTASK_SUBMIT
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mtask.submit_time = now
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mtask.submit_user = user
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mtask.save()
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else:
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raise ParseError('该任务状态不可提交')
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@classmethod
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def utask_submit(cls, utask: Utask):
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"""
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生产大任务提交
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"""
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if utask.state == Utask.UTASK_WORKING and Mtask.objects.filter(utask=utask).exclude(state=Mtask.MTASK_SUBMIT).count() == 0:
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utask.state = Utask.UTASK_SUBMIT
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utask.save()
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else:
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raise ParseError('存在子任务未提交') |