446 lines
17 KiB
Python
446 lines
17 KiB
Python
import datetime
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import uuid
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from typing import Union, List
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from uuid import UUID
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import os
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import xlsxwriter
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import tempfile
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import string
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import copy
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import jdatetime
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# import dateutil.parser
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from celery import shared_task
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# from dateutil.relativedelta import relativedelta
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from .AbstractEngine import AbstractEngineClass
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from ..utils.Models import FilterItem, FilterScope, OutPutType
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from ..utils.excel_value_maps import EXCEL_VALUE_MAP_REGISTRY
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from app.repositories.mysql_const_repo import MySQLConstRepository
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# def zero_time_data(date, is_max=False):
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# _date = dateutil.parser.isoparse(date)
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# return datetime.datetime.combine(_date, datetime.time.min if not is_max else datetime.time.max)
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# def date_year_month_morph(date, is_max=False, has_month=True):
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# _date = date
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# if len(date) > 7:
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# _date = dateutil.parser.isoparse(date)
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# if not has_month and len(date) < 5:
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# _date = f'{date}-01'
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# _date = datetime.datetime.strptime(_date, '%Y-%m')
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# _date = _date + relativedelta(day=31)
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# return _date if is_max else _date + relativedelta(day=1)
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class MongoEngine(AbstractEngineClass):
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rows = []
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stack = []
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filters = {}
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_const_cache: dict = None # کش const ها از MySQL
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async def exe(self):
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_f = self.filters = self.set_filters()
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if self.unselect:
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tmp = self.query_class.find(_f, self.unselect)
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else:
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tmp = self.query_class.find(_f)
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sort_by = self.set_sort()
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if isinstance(sort_by, dict):
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tmp = tmp.sort(**sort_by)
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else:
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tmp = tmp.sort(sort_by)
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is_natural = isinstance(sort_by, dict) and sort_by.get('key_or_list') == '$natural'
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if getattr(self, 'collation', None) and not is_natural:
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tmp = tmp.collation(self.collation)
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if self.input.e and self.input.e.ot:
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res = await tmp.to_list(None)
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self.input.e.d = await self.generate_output(res)
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return {'query': _f, 'sort': self.set_sort(), 'path': self.input.e.d}
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self.rows = tmp.limit(self.input.get_limit()).skip(self.input.skip())
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if self.return_query:
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return {'query':_f, 'sort':self.set_sort(), 'limit':self.input.get_limit(), 'page':self.input.skip()}
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return [self.model(**document) async for document in self.rows], await self.count()
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def query_generator(self):
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if not self.input.has_filter():
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return []
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filters = [f for f in self.input.filters() if
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(hasattr(f, 'items') and len(f.items)) > 0 or not hasattr(f, 'items')]
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query = self.generate_scope_filter(filters, general=True)
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return query
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def set_filters(self):
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filters = []
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query = self.query_generator()
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if query:
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filters.append(query)
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if self.input.has_text_search():
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items = []
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_search_cols = self.input.get_search_cols() if (
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self.input.get_search_cols() and len(self.input.get_search_cols())) else self.search_cols
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if _search_cols:
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for col in _search_cols:
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items.append({col: {'$regex': self.input.get_text_search(), '$options': 'i'}})
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filters.append({"$or": items})
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if self.input.extra_filter:
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filters.extend(self.input.extra_filter)
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if self.soft_deleted:
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filters.append({'deleted_at': {'$exists': False}})
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if not filters:
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return {}
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self.filters = {'$and': filters}
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return self.filters
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def set_sort(self):
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if self.input.o.fields:
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all_sort = []
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for item in self.input.o.fields:
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all_sort.append((item.field, 1 if item.direction == "asc" else -1))
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return all_sort
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if self.input.o.field:
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return {'key_or_list': self.input.o.field,
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'direction': 1 if self.input.o.direction == "asc" else -1}
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elif self.default_sort_by:
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return self.default_sort_by
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else:
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return {'key_or_list': '$natural', 'direction': -1}
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@staticmethod
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def filter_item_generator(item: FilterItem) -> dict:
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if MongoEngine.is_valid_uuid(str(item.col)):
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return {
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'data': {
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"$elemMatch": {
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'field_id': UUID(item.col),
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'value': {
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**MongoEngine.get_expression_filter(item.op, MongoEngine.cast_value(item.val, item.type),
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field_type=item.type)}
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}
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}
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}
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return {item.col: {
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**MongoEngine.get_expression_filter(col=item.col, op=item.op,
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val=MongoEngine.cast_value(item.val, item.type), field_type=item.type)}}
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@staticmethod
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def is_valid_uuid(uuid_to_test, version=4):
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try:
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uuid_obj = UUID(str(uuid_to_test), version=version)
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except ValueError:
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return False
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return str(uuid_obj) == str(uuid_to_test)
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@staticmethod
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def cast_value(val: Union[str, List], type: str) -> any:
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if val == [] or type == 'BOOL':
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return val
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if not val:
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return None
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if type in ['NUMBER', 'STACK', 'FLOAT']:
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if isinstance(val, List):
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return [float(x) for x in val]
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return float(val)
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if type in ['DATE', 'DATETIME']:
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if isinstance(val, List):
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return [datetime.datetime.fromisoformat(str(x)) for x in val]
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return datetime.datetime.fromisoformat(val)
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if type == 'UUID':
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if isinstance(val, List):
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return [UUID(str(x)) for x in val]
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return UUID(str(val))
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return val
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@staticmethod
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def get_expression_filter(col=None, op: str = 'eq', val: str = '', field_type: str = None) -> dict:
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_op = MongoEngine.get_operator(op)
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# Date Type Operator
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if field_type in ['DATE', 'DATE_TIME', 'DATETIME', 'DATE_MONTH', 'DATE_YEAR']:
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if op == "eq":
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return {'$gte': val[0], '$lte': val[1]}
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if op == "n_eq":
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return {'$lte': val[0], '$gte': val[1]}
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if op == "lt":
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return {'$lt': val[1]}
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if op == "gt":
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return {'$gt': val[0]}
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if op == "lte":
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return {'$lt': val[1]}
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if op == "gte":
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return {'$gt': val[0]}
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if _op == "sw":
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return {'$regex': f'^{val}', '$options': 'i'}
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elif _op == "ew":
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return {'$regex': f'{val}$', '$options': 'i'}
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elif _op == "n_ew":
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return {'$regex': f'(?<!{val})$', '$options': 'i'}
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elif _op == "n_sw":
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return {'$regex': f'^(?!{val})', '$options': 'i'}
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elif _op == "n_like":
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return {'$not': {'$regex': val, '$options': 'i'}}
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elif _op == "like":
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return {'$regex': val, '$options': 'i'}
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elif _op == "bet":
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if isinstance(val, str):
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return {'$gte': val.split('-')[0], '$lte': val.split('-')[1]}
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return {'$gte': val[0], '$lte': val[1]}
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elif _op == "n_bet":
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if isinstance(val, str):
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return {'$gte': val.split('-')[0], '$lte': val.split('-')[1]}
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return {'$not': {'$gte': val[0], '$lte': val[1]}}
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elif _op == "exi":
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return {'$exists': True}
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elif _op == "n_exi":
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return {'$exists': False}
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elif _op == "in":
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return {'$in': val}
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elif _op == "not_in":
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return {'$nin': val}
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return {_op: val}
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@staticmethod
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def get_operator(op: str) -> str:
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ops = {
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"eq": "$eq",
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"n_eq": "$ne",
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"gt": "$gt",
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"ge": "$ge",
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"lt": "$lt",
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"le": "$le",
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"like": "like",
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"n_like": "n_like",
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"sw": "sw",
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"ew": "ew",
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'n_ew': 'n_ew',
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'n_sw': 'n_sw',
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'exi': 'exi',
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"n_exi": "n_exi",
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'lte': '$lte',
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'gte': '$gte',
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'in': 'in',
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'n_in': 'not_in',
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'bet': 'bet',
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'n_bet': 'n_bet',
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}
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return ops[op] if op in ops else '$eq'
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async def count(self):
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return await self.query_class.count_documents(self.filters)
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@staticmethod
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def generate_scope_filter(filters: list, general=False):
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if len(filters) == 1:
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_o = filters[0]
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if isinstance(_o, FilterItem):
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return MongoEngine.filter_item_generator(filters[0])
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elif isinstance(_o, FilterScope):
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return MongoEngine.generate_scope_filter(_o.items)
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else:
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return _o
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else:
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_a = filters.pop(0)
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_a = (MongoEngine.filter_item_generator(_a) if isinstance(_a,
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FilterItem) else _a) if not general else (
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MongoEngine.generate_scope_filter(_a.items) if isinstance(_a, FilterScope) else _a)
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_b = filters.pop(0)
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op = '$' + (_b.cr if not general else _b.op)
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_b = (MongoEngine.filter_item_generator(_b) if isinstance(_b,
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FilterItem) else _b) if not general else (
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MongoEngine.generate_scope_filter(_b.items) if isinstance(_b, FilterScope) else _b)
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filters = [{op: [
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_a, _b
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]}] + filters
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return MongoEngine.generate_scope_filter(filters, general)
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def set_joins(self):
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pass
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async def generate_output(self, _f):
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print(self.input.e.ot)
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if self.input.e.ot == OutPutType.EXEL:
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file_name = str(uuid.uuid4().hex) + '.xlsx'
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return await self.output_generator(_f, file_name=file_name, cols=self.input.e.c)
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elif self.input.e.ot == OutPutType.JSON:
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pass
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elif self.input.e.ot == OutPutType.PDF:
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pass
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else:
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raise Exception("Output type not supported.")
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def _excel_temp_dir(self):
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"""پوشه temp پروژه برای ذخیره فایلهای اکسل (همان مسیری که برای دانلود سرو میشود)."""
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temp_dir = os.path.join(os.getcwd(), 'temp')
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os.makedirs(temp_dir, exist_ok=True)
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return temp_dir
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def _expand_headers_with_id_fields(self, cols: dict) -> list:
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"""
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اگر design.nature در فیلدها باشد، design.nature_id هم اضافه میشود.
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اگر design.budget در فیلدها باشد، design.budget_id هم اضافه میشود.
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"""
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headers = list(cols.keys())
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expanded = []
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pair_rules = [
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('design.nature', 'design.nature_id', 'نام ماهیت'),
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('design.budget', 'design.budget_id', 'نام دسته بودجه'),
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]
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for h in headers:
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expanded.append(h)
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for field, id_field, default_title in pair_rules:
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if h == field and id_field not in headers and id_field not in expanded:
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expanded.append(id_field)
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cols[id_field] = cols.get(field, default_title) + ' (نام)'
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break
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return expanded
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async def output_generator(self, query, file_name, cols):
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datas = query
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file_dir = os.path.join(self._excel_temp_dir(), file_name)
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head_cols = list(str(string.ascii_uppercase))
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headers = self._expand_headers_with_id_fields(cols)
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workbook = xlsxwriter.Workbook(file_dir)
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worksheet = workbook.add_worksheet()
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# نوشتن هدرها
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bold_format = workbook.add_format({'bold': True})
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# نوشتن هدرها
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for col_index, header in enumerate(headers):
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worksheet.write(0, col_index, cols[header], bold_format)
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# ساختن value_maps از vk (نام مپ) با استفاده از رجیستری
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value_maps = self._build_value_maps()
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# بارگذاری const ها برای فیلدهای خاص
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const_maps = await self._load_const_maps(headers)
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for row_index, item in enumerate(datas, start=1):
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for col_index, col in enumerate(headers):
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val = self.get_nested_value(item, col)
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val = self._apply_value_map(col, val, value_maps)
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val = await self._apply_const_map(col, val, const_maps)
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worksheet.write(row_index, col_index, val)
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workbook.close()
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return file_name
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def _build_value_maps(self):
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"""اگر کاربر در e.vk برای ستونی کلید مپ داده (مثلاً design_sts)، مپ از رجیستری برمیگردد."""
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value_maps = {}
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vk = getattr(self.input.e, "vk", None) or {}
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if not isinstance(vk, dict):
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return value_maps
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for col_key, map_name in vk.items():
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if map_name and map_name in EXCEL_VALUE_MAP_REGISTRY:
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value_maps[col_key] = EXCEL_VALUE_MAP_REGISTRY[map_name]
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return value_maps
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def _apply_value_map(self, col_key: str, val, value_maps: dict):
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"""اگر برای این ستون مپ تعریف شده، مقدار را به متن متناظر تبدیل میکند."""
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if not value_maps or col_key not in value_maps:
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return val
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mapping = value_maps[col_key]
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if not isinstance(mapping, dict):
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return val
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if val is None:
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return mapping.get(None, val)
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key = val if isinstance(val, (int, float)) else (int(val) if isinstance(val, str) and str(val).strip().isdigit() else val)
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if key in mapping:
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return mapping[key]
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if isinstance(key, int) and str(key) in mapping:
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return mapping[str(key)]
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return val
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async def _load_const_maps(self, headers: List[str]) -> dict:
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"""
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شناسایی فیلدهای خاص (مثلاً nature_id, type_id, budget_id) و بارگذاری const ها از MySQL.
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Returns: dict به صورت {col_key: {id: title_fa}} مثلاً {"design.nature_id": {2: "طبیعت 2", ...}}
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"""
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# لیست فیلدهای خاص که باید از const خوانده شوند
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const_field_names = ['nature_id', 'type_id', 'budget_id'] # میتونی اضافه کنی
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const_maps = {}
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const_keys_to_load = set()
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const_column_map = {} # {col_key: const_key} مثلاً {"design.nature_id": "nature"}
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# شناسایی ستونهایی که باید const بخونن
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for col_key in headers:
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col_name = col_key.split('.')[-1] # آخرین بخش (nature_id)
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if col_name in const_field_names:
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const_key = col_name.replace('_id', '') # nature_id -> nature
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const_keys_to_load.add(const_key)
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const_column_map[col_key] = const_key
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# بارگذاری const ها از MySQL
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if const_keys_to_load:
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repo = MySQLConstRepository()
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for col_key, const_key in const_column_map.items():
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consts_for_key = await repo.get_by_key(const_key)
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if consts_for_key:
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const_maps[col_key] = consts_for_key
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return const_maps
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async def _apply_const_map(self, col_key: str, val, const_maps: dict):
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"""اگر این ستون در const_maps باشد، id را به title_fa تبدیل میکند."""
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if not const_maps or col_key not in const_maps:
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return val
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mapping = const_maps[col_key]
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if not isinstance(mapping, dict):
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return val
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if val is None:
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return mapping.get(None, val)
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# تبدیل val به int برای جستجو در mapping
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key = val if isinstance(val, (int, float)) else (int(val) if isinstance(val, str) and str(val).strip().isdigit() else val)
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if key in mapping:
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return mapping[key]
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if isinstance(key, int) and str(key) in mapping:
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return mapping[str(key)]
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return val
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def get_nested_value(self, data, path, default='-'):
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"""
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دریافت مقدار از دیکشنری تو در تو با مسیر dot notation
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مثال: path = "design.title"
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"""
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if not isinstance(path, str):
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return default
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keys = path.split('.')
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val = data
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for key in keys:
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if isinstance(val, dict):
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val = val.get(key, default)
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else:
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return default
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if val is None:
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return default
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# تبدیل datetime و UUID به رشته برای اکسل
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if isinstance(val, datetime.datetime):
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return self.create_date(val)
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if isinstance(val, uuid.UUID):
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return str(val)
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return val
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def create_date(self, date):
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shamsi_dt = jdatetime.datetime.fromgregorian(datetime=date)
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return shamsi_dt.strftime("%Y/%m/%d - %H:%M:%S")
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