220 lines
8.7 KiB
Python
220 lines
8.7 KiB
Python
"""
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Service pentru Trial Balance (Balanță de Verificare) - Query VBAL VIEW
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Refactored to use caching system for optimal performance
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"""
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# import sys # Removed - no longer needed
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import os
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from typing import Dict, Any, Optional
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from shared.database.oracle_pool import oracle_pool
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from ..models.trial_balance import (
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TrialBalanceItem,
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TrialBalanceFilters,
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TrialBalancePagination,
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TrialBalanceResponse
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)
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from ..cache.decorators import cached
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from decimal import Decimal
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import math
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import logging
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logger = logging.getLogger(__name__)
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class TrialBalanceService:
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"""Service pentru gestionarea balanței de verificare cu cache"""
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@staticmethod
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@cached(cache_type='schema', key_params=['company_id', 'server_id'])
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async def _get_schema(company_id: int, server_id: Optional[str] = None) -> str:
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"""
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Obține schema pentru company_id (CACHED 24h)
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This is cached permanently because company schemas rarely change.
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"""
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async with oracle_pool.get_connection(server_id) as connection:
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with connection.cursor() as cursor:
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schema_query = """
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SELECT schema
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FROM CONTAFIN_ORACLE.v_nom_firme
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WHERE id_firma = :company_id
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"""
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cursor.execute(schema_query, {'company_id': company_id})
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schema_result = cursor.fetchone()
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if not schema_result:
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raise ValueError(f"Schema not found for company {company_id}")
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return schema_result[0]
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@staticmethod
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@cached(cache_type='trial_balance', key_params=['company_id', 'luna', 'an', 'cont_filter',
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'denumire_filter', 'sort_by', 'sort_order',
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'page', 'page_size', 'username', 'server_id'])
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async def get_trial_balance(
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company_id: int,
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luna: int,
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an: int,
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cont_filter: str | None,
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denumire_filter: str | None,
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sort_by: str,
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sort_order: str,
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page: int,
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page_size: int,
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username: str,
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server_id: Optional[str] = None
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) -> Dict[str, Any]:
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"""
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Obține balanța de verificare sintetică (CACHED 10 min)
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Cache key includes all filter parameters to ensure unique cache entries
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for different query variations.
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Args:
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company_id: ID firmei
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luna: Luna (1-12)
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an: Anul
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cont_filter: Filtru număr cont (optional)
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denumire_filter: Filtru denumire cont (optional)
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sort_by: Coloană pentru sortare
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sort_order: Ordinea sortării (asc/desc)
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page: Pagina
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page_size: Mărimea paginii
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username: Username pentru cache tracking
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server_id: Optional Oracle server identifier for multi-server support
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Returns:
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Dictionary cu items, pagination, filters_applied
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"""
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# Get schema (cached separately)
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schema = await TrialBalanceService._get_schema(company_id, server_id)
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# Validate sort_order
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if sort_order.lower() not in ['asc', 'desc']:
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sort_order = 'asc'
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# Validate sort_by (prevent SQL injection)
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valid_sort_columns = ['CONT', 'DENUMIRE', 'PRECDEB', 'PRECCRED',
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'RULDEB', 'RULCRED', 'SOLDDEB', 'SOLDCRED']
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if sort_by.upper() not in valid_sort_columns:
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sort_by = 'CONT'
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async with oracle_pool.get_connection(server_id) as connection:
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with connection.cursor() as cursor:
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# Build base query for VBAL VIEW
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base_query = f"""
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SELECT
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CONT,
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NVL(DENUMIRE, '') as DENUMIRE,
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NVL(PRECDEB, 0) as PRECDEB,
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NVL(PRECCRED, 0) as PRECCRED,
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NVL(RULDEB, 0) as RULDEB,
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NVL(RULCRED, 0) as RULCRED,
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NVL(SOLDDEB, 0) as SOLDDEB,
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NVL(SOLDCRED, 0) as SOLDCRED
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FROM {schema}.VBAL
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WHERE AN = :an
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AND LUNA = :luna
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"""
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params = {
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'an': an,
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'luna': luna
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}
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# Add dynamic filters
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if cont_filter:
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base_query += " AND CONT LIKE :cont_filter"
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params['cont_filter'] = f"{cont_filter}%"
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if denumire_filter:
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base_query += " AND UPPER(DENUMIRE) LIKE UPPER(:denumire_filter)"
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params['denumire_filter'] = f"%{denumire_filter}%"
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# Count total for pagination
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count_query = f"SELECT COUNT(*) FROM ({base_query})"
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cursor.execute(count_query, params)
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total_count = cursor.fetchone()[0]
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# Query pentru TOTALURI din TOATE înregistrările filtrate (nu doar pagina curentă)
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totals_query = f"""
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SELECT
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NVL(SUM(PRECDEB), 0) as total_prec_deb,
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NVL(SUM(PRECCRED), 0) as total_prec_cred,
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NVL(SUM(RULDEB), 0) as total_rul_deb,
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NVL(SUM(RULCRED), 0) as total_rul_cred,
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NVL(SUM(SOLDDEB), 0) as total_sold_deb,
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NVL(SUM(SOLDCRED), 0) as total_sold_cred
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FROM ({base_query})
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"""
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cursor.execute(totals_query, params)
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totals_row = cursor.fetchone()
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totals = {
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"total_sold_precedent_debit": Decimal(str(totals_row[0])) if totals_row else Decimal('0.00'),
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"total_sold_precedent_credit": Decimal(str(totals_row[1])) if totals_row else Decimal('0.00'),
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"total_rulaj_lunar_debit": Decimal(str(totals_row[2])) if totals_row else Decimal('0.00'),
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"total_rulaj_lunar_credit": Decimal(str(totals_row[3])) if totals_row else Decimal('0.00'),
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"total_sold_final_debit": Decimal(str(totals_row[4])) if totals_row else Decimal('0.00'),
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"total_sold_final_credit": Decimal(str(totals_row[5])) if totals_row else Decimal('0.00')
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}
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# Add sorting
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base_query += f" ORDER BY {sort_by.upper()} {sort_order.upper()}"
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# Pagination (Oracle ROWNUM with ORDER BY)
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offset = (page - 1) * page_size
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limit = offset + page_size
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paginated_query = f"""
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SELECT * FROM (
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SELECT a.*, ROWNUM rnum FROM (
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{base_query}
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) a WHERE ROWNUM <= :limit
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) WHERE rnum > :offset
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"""
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params['offset'] = offset
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params['limit'] = limit
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cursor.execute(paginated_query, params)
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rows = cursor.fetchall()
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# Process results
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# Index: CONT(0), DENUMIRE(1), PRECDEB(2), PRECCRED(3),
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# RULDEB(4), RULCRED(5), SOLDDEB(6), SOLDCRED(7), rnum(8)
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items = []
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for row in rows:
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item = TrialBalanceItem(
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cont=row[0] or '',
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denumire=row[1] or '',
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sold_precedent_debit=Decimal(str(row[2] or 0)),
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sold_precedent_credit=Decimal(str(row[3] or 0)),
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rulaj_lunar_debit=Decimal(str(row[4] or 0)),
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rulaj_lunar_credit=Decimal(str(row[5] or 0)),
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sold_final_debit=Decimal(str(row[6] or 0)),
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sold_final_credit=Decimal(str(row[7] or 0))
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)
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items.append(item.dict())
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# Calculate pagination
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total_pages = math.ceil(total_count / page_size) if page_size > 0 else 0
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# Build response
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return {
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"items": items,
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"pagination": {
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"total_items": total_count,
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"total_pages": total_pages,
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"current_page": page,
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"page_size": page_size
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},
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"filters_applied": {
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"luna": luna,
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"an": an,
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"cont_filter": cont_filter,
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"denumire_filter": denumire_filter
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},
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# Totaluri din TOATE înregistrările filtrate (nu doar pagina curentă)
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"totals": totals
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}
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