PLM_demo/BOM/func.py

from .model_handler import PartAttachmentHandler, EcnSignOffHandler, EcnHandler, PartHandler
from .models import Part, ECN
from django.forms import model_to_dict
from Info.func import send_message
from django.db import transaction


def part_info(part: Part) -> list:
    part_attachments = PartAttachmentHandler.search_by_part(part)
    attachment_list = []
    for p_a in part_attachments:
        attachment = {'id': p_a.id, 'url': p_a.url,
            'display_name': p_a.display_name}
        attachment_list.append(attachment)
    part_dict = model_to_dict(part)
    
    try:
        part_dict['sub_parts'] = eval(part_dict['sub_parts'])
    except:
        part_dict['sub_parts'] = []

    part_dict['attachment'] = attachment_list
    vendor_detail = {}
    if part.vendor:
        vendor_detail = {
            'id': part.vendor.id,
            'code': part.vendor.code,
            'name': part.vendor.name,
        }
    part_dict['vendor_detail'] = vendor_detail
    
    return part_dict


@transaction.atomic
def overall_ecn_signoff(ecn_id: int) -> bool:
    # 检索是否所有的签核者都签核了
    ecn = EcnHandler.get_by_id(ecn_id)
    all_sign_off = EcnSignOffHandler.search_by_ecn(ecn)
    ecn_all_approved = True
    for s_o in all_sign_off:
        if s_o.status != '批准':
            ecn_all_approved = False
    if ecn_all_approved:
        ecn.status = '批准'
        # todo 检索ECO对应的料号，把最新版本更新为released，旧的版本更新为expired
        ecn.target_part.life_cycle = 'released'
        PartHandler.expire_old_version(ecn.target_part)
        ecn.save()
        send_message(from_user=None, to_user=ecn.owner, title='ECN'+ecn.number+'签核完成')
    
    return ecn_all_approved