views.py
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import os
import time
import random
import datetime
from django.utils import timezone
from django.db.utils import IntegrityError
from django.db.models import Q
from webargs import fields, validate
from webargs.djangoparser import use_args, parser
from settings import conf
from common import response
from common.mixins import GenericView
from common.tools.file_tools import file_write
from common.redis_cache import redis_handler as rh
from .models import UploadDocRecords, DocStatus
from .mixins import DocHandler
from . import consts
# Create your views here.
# restframework将request.body封装至request.data, webargs从request.data中获取参数
@parser.location_loader("data")
def load_data(request, schema):
return request.data
application_data_args = {'applicationId': fields.Str(required=True, validate=validate.Length(max=64))}
applicant_data_args = {
'mainApplicantName': fields.Str(required=True, validate=validate.Length(max=16)),
'coApplicantName': fields.Str(required=True, validate=validate.Length(max=16)),
'guarantor1Name': fields.Str(required=True, validate=validate.Length(max=16)),
'guarantor2Name': fields.Str(required=True, validate=validate.Length(max=16)),
}
document_args = {
'documentName': fields.Str(required=True, validate=validate.Length(max=255)),
# Acceptance/Settlement/Contract Management
'documentScheme': fields.Str(required=True, validate=validate.Length(max=64)),
'businessType': fields.Str(required=True, validate=validate.Length(max=64)), # CO00001/CO00002
'uploadFinishTime': fields.DateTime(required=True),
'dataSource': fields.Str(required=True, validate=validate.Length(max=64)), # POS/EAPP/Econtract
'metadataVersionId': fields.Str(required=True, validate=validate.Length(max=64)),
}
doc_upload_args = {
'applicationData': fields.Nested(application_data_args, required=True),
'applicantData': fields.Nested(applicant_data_args, required=True),
'document': fields.Nested(document_args, required=True),
}
doc_list_args = {
'page': fields.Int(required=False,
missing=consts.PAGE_DEFAULT,
validate=lambda val: val >= 1),
'page_size': fields.Int(required=False,
missing=consts.PAGE_SIZE_DEFAULT,
validate=lambda val: val >= 1),
'status': fields.Int(required=False,
validate=validate.OneOf(DocStatus.get_value_lst())),
'application_id': fields.Str(required=False, validate=validate.Length(max=64)),
'data_source': fields.Str(required=False, validate=validate.Length(max=64)),
'business_type': fields.Str(required=False, validate=validate.Length(max=64)),
'upload_time_start': fields.Date(required=False),
'upload_time_end': fields.Date(required=False),
'create_time_start': fields.Date(required=False),
'create_time_end': fields.Date(required=False),
}
upload_pdf_args = {
'pdf_file': fields.Raw(required=True),
}
class UploadDocView(GenericView):
permission_classes = []
# 上传（接收）文件接口
@use_args(doc_upload_args, location='data')
def post(self, request, args):
application_data = args.get('applicationData')
applicant_data = args.get('applicantData')
document = args.get('document')
try:
doc = UploadDocRecords.objects.create(
metadata_version_id=document.get('metadataVersionId'),
application_id=application_data.get('applicationId'),
main_applicant=applicant_data.get('mainApplicantName'),
co_applicant=applicant_data.get('coApplicantName'),
guarantor_1=applicant_data.get('guarantor1Name'),
guarantor_2=applicant_data.get('guarantor2Name'),
document_name=document.get('documentName'),
document_scheme=document.get('documentScheme'),
business_type=document.get('businessType'),
data_source=document.get('dataSource'),
upload_finish_time=document.get('uploadFinishTime'),
)
except IntegrityError as e:
self.running_log.info('[doc upload fail] [args={0}] [err={1}]'.format(args, e))
self.invalid_params(msg='metadataVersionId repeat')
else:
# TODO 查询加入优先队列 or 普通队列
rh.enqueue(doc.id)
self.running_log.info('[doc upload success] [args={0}]'.format(args))
return response.ok()
post.openapi_doc = '''
tags: [doc]
summary: POS系统上传文件信息
consumes: [application/json]
produces: [application/json]
parameters:
- in: body
name: body
required: true
schema:
$ref: "#/definitions/Doc"
responses:
200:
description: ok
schema:
$ref: '#/definitions/ApiResponse'
'''
class DocView(GenericView, DocHandler):
# 文件列表页
@use_args(doc_list_args, location='querystring')
def get(self, request, args):
page = args.get('page', consts.PAGE_DEFAULT)
page_size = args.get('page_size', consts.PAGE_SIZE_DEFAULT)
status = args.get('status')
application_id = args.get('application_id')
data_source = args.get('data_source')
business_type = args.get('business_type')
upload_time_start = args.get('upload_time_start')
upload_time_end = args.get('upload_time_end')
create_time_start = args.get('create_time_start')
create_time_end = args.get('create_time_end')
status_query = Q(status=status) if status is not None else Q()
application_id_query = Q(application_id=application_id) if application_id is not None else Q()
data_source_query = Q(data_source=data_source) if data_source is not None else Q()
business_type_query = Q(business_type=business_type) if business_type is not None else Q()
upload_finish_time_query = Q(upload_finish_time__gte=upload_time_start,
upload_finish_time__lt=upload_time_end + datetime.timedelta(days=1))\
if upload_time_start is not None and upload_time_end is not None else Q()
create_time_query = Q(create_time__gte=create_time_start,
create_time__lt=create_time_end + datetime.timedelta(days=1))\
if create_time_start is not None and create_time_end is not None else Q()
query = status_query & application_id_query & data_source_query & business_type_query\
& upload_finish_time_query & create_time_query
val_tuple = ('id', 'application_id', 'upload_finish_time', 'create_time',
'business_type', 'data_source', 'status')
doc_queryset = UploadDocRecords.objects.filter(query).values(*val_tuple).order_by('-upload_finish_time')
doc_list = self.get_doc_list(doc_queryset)
total = len(doc_list)
start_index = page_size * (page - 1)
end_index = page_size * page
if start_index >= total > 0:
raise self.invalid_params('页数不存在')
pagination = {'current': page, 'total': total, 'page_size': page_size}
res = {
'pagination': pagination,
'doc_list': doc_list[start_index: end_index]
}
return response.ok(data=res)
# 上传pdf，模拟下单
@use_args(upload_pdf_args, location='files')
def post(self, request, args):
const_str = '手工单'
doc = UploadDocRecords.objects.create(
metadata_version_id=str(int(time.time())),
application_id=const_str,
main_applicant=const_str,
co_applicant=const_str,
guarantor_1=const_str,
guarantor_2=const_str,
document_name=const_str,
document_scheme=random.choice(['Acceptance', 'Settlement', 'Contract Management']),
business_type=random.choice(['AFC', 'HIL']),
data_source=random.choice(['POS', 'EAPP', 'Econtract']),
upload_finish_time=timezone.now(),
)
rh.enqueue(doc.id)
pdf_file = args.get('pdf_file')
save_dir_path = os.path.join(conf.DATA_DIR, str(doc.id))
save_file_path = os.path.join(save_dir_path, '{0}.pdf'.format(doc.id))
os.makedirs(save_dir_path, exist_ok=True)
file_write(pdf_file, save_file_path)
self.running_log.info('[mock doc upload success] [doc_id={0}]'.format(doc.id))
return response.ok()