317 lines
15 KiB
Python
317 lines
15 KiB
Python
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"""Blank (or pre-filled) Excel template for a department's budget, and the import of a filled one."""
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from datetime import datetime
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from decimal import Decimal
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from io import BytesIO
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from openpyxl import Workbook
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from openpyxl.styles import Alignment, Font, PatternFill
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from openpyxl.utils import get_column_letter
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from openpyxl.worksheet.datavalidation import DataValidation
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from sqlalchemy import func, select
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from sqlalchemy.orm import Session
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from .audit import record
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from .calc import ExpressionError, evaluate
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from .models import Category, Department, Site, User
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TEMPLATE_SHEETS = {"Lines", "Linhas"}
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HEADER_ROW = 8
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TEXT = {
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"en": {
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"sheet": "Lines", "lists": "Lists", "help": "Instructions",
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"title": "Budget template · {dept}",
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"year": "Year", "rate": "Year rate (%)", "dept": "Department",
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"cols": ["Category", "Line", "Description", "Site", "Prior-year actual", "Base (without adjustment)",
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"Adjustment", "Adjustment value", "Reason for adjustment", "Remarks"],
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"months": ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"],
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"split": "Split over months",
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"adj": {"year_rate": "Year rate", "percent": "Percent", "factor": "Factor", "none": "None"},
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"group": "Group",
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"instructions": [
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"How to fill in this template",
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"1. On the 'Lines' sheet, set the year and the year rate (for example 5.5 for 5.5%).",
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"2. Add one row per cost line, starting on row 9. Category and Line are required.",
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"3. Category and Site have drop-down lists. Leave Site empty for costs shared by the group.",
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"4. Prior-year actual and Base accept numbers or calculations such as =12*839.67.",
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"5. Adjustment: 'Year rate' applies the year rate to the base; 'Percent' uses the Adjustment value as a %;",
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" 'Factor' multiplies the base by the Adjustment value (e.g. 1.15); 'None' keeps the base.",
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"6. Fill in the months (Jan to Dec) only for lines with uneven monthly amounts; the year total is then",
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" the sum of the months and Base and Adjustment are ignored. Otherwise the year is split over 12.",
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" To split the adjusted amount equally over some months only, list them in the last column",
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" 'Split over months', for example 1-4 or Jan, Feb, Mar, Apr (leave Jan to Dec empty).",
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"7. In the app, go to Budgets > Import Excel, choose the department and upload this file.",
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],
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},
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"pt": {
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"sheet": "Linhas", "lists": "Listas", "help": "Instruções",
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"title": "Modelo de orçamento · {dept}",
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"year": "Ano", "rate": "Taxa do ano (%)", "dept": "Departamento",
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"cols": ["Categoria", "Linha", "Descrição", "Unidade", "Real do ano anterior", "Base (sem ajuste)",
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"Ajuste", "Valor do ajuste", "Motivo do ajuste", "Observações"],
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"months": ["Jan", "Fev", "Mar", "Abr", "Mai", "Jun", "Jul", "Ago", "Set", "Out", "Nov", "Dez"],
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"split": "Dividir pelos meses",
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"adj": {"year_rate": "Taxa do ano", "percent": "Percentagem", "factor": "Fator", "none": "Sem ajuste"},
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"group": "Grupo",
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"instructions": [
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"Como preencher este modelo",
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"1. Na folha 'Linhas', indique o ano e a taxa do ano (por exemplo 5,5 para 5,5%).",
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"2. Acrescente uma linha por custo, a partir da linha 9. Categoria e Linha são obrigatórias.",
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"3. Categoria e Unidade têm listas. Deixe a Unidade vazia para custos do grupo.",
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"4. Real do ano anterior e Base aceitam números ou cálculos como =12*839,67.",
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"5. Ajuste: 'Taxa do ano' aplica a taxa do ano à base; 'Percentagem' usa o Valor do ajuste como %;",
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" 'Fator' multiplica a base pelo Valor do ajuste (ex.: 1,15); 'Sem ajuste' mantém a base.",
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"6. Preencha os meses (Jan a Dez) só para linhas com valores mensais diferentes; o total do ano passa",
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" a ser a soma dos meses e a Base e o Ajuste são ignorados. Caso contrário o ano é dividido por 12.",
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" Para dividir o valor com ajuste em partes iguais só por alguns meses, indique-os na última coluna",
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" 'Dividir pelos meses', por exemplo 1-4 ou Jan, Fev, Mar, Abr (deixe Jan a Dez vazios).",
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"7. Na aplicação, vá a Orçamentos > Importar Excel, escolha o departamento e carregue este ficheiro.",
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],
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},
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}
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MONTH_NAMES = {name.lower(): i for t in TEXT.values() for i, name in enumerate(t["months"], start=1)}
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MONTH_NAMES.update({"feb": 2, "fev": 2, "apr": 4, "abr": 4, "may": 5, "mai": 5, "aug": 8, "ago": 8,
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"sep": 9, "set": 9, "oct": 10, "out": 10, "dec": 12, "dez": 12})
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def _month(token: str) -> int | None:
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token = token.strip().lower().rstrip(".")
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if token.isdigit():
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return int(token) if 1 <= int(token) <= 12 else None
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return MONTH_NAMES.get(token[:3])
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def parse_months(value) -> list[int]:
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"""'1-4', '1,2,3,4', 'Jan-Abr', 'jan; fev; mar' -> [1, 2, 3, 4]. Unreadable text gives []."""
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if isinstance(value, (int, float)):
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value = str(int(value))
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out = set()
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for part in str(value).replace(";", ",").replace("/", ",").replace(" e ", ",").replace(" and ", ",").split(","):
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part = part.strip()
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if not part:
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continue
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if "-" in part or "–" in part:
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a, _, b = part.replace("–", "-").partition("-")
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start, end = _month(a), _month(b)
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if start is None or end is None or end < start:
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return []
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out.update(range(start, end + 1))
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else:
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m = _month(part)
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if m is None:
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return []
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out.add(m)
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return sorted(out)
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def months_text(months: list[int]) -> str:
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"""[1, 2, 3, 4, 7] -> '1-4, 7'."""
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months, runs = sorted(months), []
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for m in months:
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if runs and m == runs[-1][1] + 1:
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runs[-1][1] = m
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else:
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runs.append([m, m])
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return ", ".join(str(a) if a == b else f"{a}-{b}" for a, b in runs)
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HEAD_FILL = PatternFill("solid", fgColor="1F3B63")
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INPUT_FILL = PatternFill("solid", fgColor="FFF7E0")
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def build_template(db: Session, department: Department, lang: str, year: int, rate: Decimal,
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lines: list | None = None) -> bytes:
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tx = TEXT.get(lang, TEXT["pt"])
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cats = db.scalars(select(Category).where(Category.department_id == department.id, Category.active)
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.order_by(Category.sort_order, Category.id)).all()
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sites = db.scalars(select(Site).where(Site.active).order_by(Site.name)).all()
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cat_name = (lambda c: c.name_pt or c.name_en) if lang == "pt" else (lambda c: c.name_en)
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wb = Workbook()
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ws = wb.active
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ws.title = tx["sheet"]
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ws["A1"] = tx["title"].format(dept=department.name)
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ws["A1"].font = Font(bold=True, size=14)
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for row, (label, value) in enumerate(((tx["dept"], department.name), (tx["year"], year),
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(tx["rate"], float(rate * 100))), start=3):
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ws.cell(row, 1, label).font = Font(bold=True)
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c = ws.cell(row, 2, value)
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if row > 3:
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c.fill = INPUT_FILL
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ws["B5"].number_format = "0.00"
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headers = tx["cols"] + tx["months"] + [tx["split"]]
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for col, label in enumerate(headers, start=1):
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c = ws.cell(HEADER_ROW, col, label)
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c.font, c.fill = Font(bold=True, color="FFFFFF"), HEAD_FILL
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c.alignment = Alignment(wrap_text=True, vertical="center")
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ws.row_dimensions[HEADER_ROW].height = 32
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lists = wb.create_sheet(tx["lists"])
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for i, c in enumerate(cats, start=1):
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lists.cell(i, 1, cat_name(c))
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for i, s in enumerate(sites, start=1):
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lists.cell(i, 2, s.name)
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for i, label in enumerate(tx["adj"].values(), start=1):
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lists.cell(i, 3, label)
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lists.sheet_state = "hidden"
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last = HEADER_ROW + max(500, len(lines or []) + 200)
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rng = lambda col: f"{get_column_letter(col)}{HEADER_ROW + 1}:{get_column_letter(col)}{last}"
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for col, src, n in ((1, "A", len(cats)), (4, "B", len(sites)), (7, "C", 4)):
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if n:
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dv = DataValidation(type="list", formula1=f"'{tx['lists']}'!${src}$1:${src}${n}", allow_blank=True)
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dv.error, dv.showErrorMessage = "", col != 1 # unknown categories are allowed and created on import
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ws.add_data_validation(dv)
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dv.add(rng(col))
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row = HEADER_ROW + 1
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for line in lines or []:
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f = line.figures
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ln = line.line
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values = [cat_name(ln.category), ln.name, ln.description, ln.site.name if ln.site else "",
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float(f.prior), float(f.base) if ln.monthly_kind != "manual" else None,
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tx["adj"][ln.adj_kind] if ln.monthly_kind != "manual" else None,
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float(ln.adj_value) if ln.adj_kind in ("percent", "factor") else None,
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ln.adj_reason, ln.remarks]
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if ln.monthly_kind == "manual":
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values += [float(m) for m in f.months]
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elif ln.monthly_kind == "selected" and ln.monthly_months:
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values += [None] * 12 + [months_text(ln.monthly_months)]
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for col, v in enumerate(values, start=1):
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if v not in (None, ""):
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ws.cell(row, col, v)
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row += 1
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for col in range(5, 7):
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for r in range(HEADER_ROW + 1, last + 1):
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ws.cell(r, col).number_format = "#,##0.00"
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for col, width in zip(range(1, 11), (34, 40, 30, 14, 18, 20, 16, 14, 30, 36)):
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ws.column_dimensions[get_column_letter(col)].width = width
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for col in range(11, 23):
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ws.column_dimensions[get_column_letter(col)].width = 11
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ws.column_dimensions[get_column_letter(23)].width = 22
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ws.freeze_panes = ws.cell(HEADER_ROW + 1, 3)
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helpws = wb.create_sheet(tx["help"], 0)
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for i, text in enumerate(tx["instructions"], start=1):
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helpws.cell(i, 1, text).font = Font(bold=(i == 1), size=13 if i == 1 else 11)
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helpws.cell(len(tx["instructions"]) + 2, 1, f"{tx['dept']}: {department.name} · {datetime.now():%Y-%m-%d}").font = Font(color="888888")
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helpws.column_dimensions["A"].width = 110
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wb.active = 1
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buf = BytesIO()
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wb.save(buf)
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return buf.getvalue()
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def _norm(value) -> str:
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return str(value or "").strip().lower()
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def _amount(value, warnings, where) -> tuple[str, Decimal]:
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if value is None or value == "":
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return "0", Decimal(0)
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if isinstance(value, (int, float)):
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return str(value), Decimal(str(value))
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try:
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return str(value).strip().lstrip("="), evaluate(str(value))
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except ExpressionError:
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warnings.append(f"{where}: '{value}' is not a number, used 0")
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return "0", Decimal(0)
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def import_template(db: Session, wb, wb_formulas, user: User | None, department_id: int, year: int | None,
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replace: bool, filename: str = "", check_only: bool = False):
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from .importer import ImportErrorWithDetail, ImportResult, _category_index, prepare_year
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from .models import CostLine
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ws = next(w for w in wb.worksheets if w.title in TEMPLATE_SHEETS)
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wsf = wb_formulas[ws.title]
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def cell(r: int, c: int):
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# Excel stores the computed value of =4*300; files written by other tools may only hold the formula.
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v = ws.cell(r, c).value
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return wsf.cell(r, c).value if v is None else v
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labels = {**{_norm(t["year"]): "year" for t in TEXT.values()}, **{_norm(t["rate"]): "rate" for t in TEXT.values()}}
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header_row, meta = None, {}
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for r in range(1, 30):
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a = _norm(ws.cell(r, 1).value)
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if a in labels:
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meta[labels[a]] = ws.cell(r, 2).value
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if a in (_norm(t["cols"][0]) for t in TEXT.values()):
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header_row = r
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break
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if header_row is None:
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raise ImportErrorWithDetail("template_header_missing")
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target_year = year or (int(meta["year"]) if isinstance(meta.get("year"), (int, float)) else None)
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if not target_year:
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raise ImportErrorWithDetail("year_not_found")
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rate_value = meta.get("rate")
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try:
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rate = evaluate(str(rate_value)) / 100 if rate_value not in (None, "") else Decimal(0)
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except ExpressionError:
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rate = Decimal(0)
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result = ImportResult(year=target_year)
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if check_only:
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return result
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by = prepare_year(db, department_id, target_year, rate, replace, user, filename)
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cats = _category_index(db, department_id)
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sites = {_norm(s.name): s for s in db.scalars(select(Site))}
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adj_kinds = {_norm(label): kind for t in TEXT.values() for kind, label in t["adj"].items()}
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adj_kinds.update({"%": "percent", "factor ×": "factor", "fator ×": "factor"})
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group_words = {_norm(t["group"]) for t in TEXT.values()}
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next_order = (db.scalar(select(func.max(Category.sort_order)).where(Category.department_id == department_id)) or 0) + 10
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order = 0
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for r in range(header_row + 1, ws.max_row + 1):
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row = [cell(r, c) for c in range(1, 24)]
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cat_label, name = str(row[0] or "").strip(), str(row[1] or "").strip()
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if not cat_label and not name:
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continue
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where = f"{ws.title} row {r}"
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if not cat_label or not name:
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result.warnings.append(f"{where}: category and line are required, row skipped")
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continue
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cat = cats.get(cat_label.lower())
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if cat is None:
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cat = Category(department_id=department_id, name_en=cat_label, name_pt=cat_label, section="cost",
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sort_order=next_order)
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next_order += 10
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db.add(cat)
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db.flush()
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|
cats[cat_label.lower()] = cat
|
|||
|
|
result.categories_created.append(cat_label)
|
|||
|
|
site = None
|
|||
|
|
if row[3] not in (None, "") and _norm(row[3]) not in group_words:
|
|||
|
|
site = sites.get(_norm(row[3]))
|
|||
|
|
if site is None:
|
|||
|
|
result.warnings.append(f"{where}: unknown site '{row[3]}', saved as group")
|
|||
|
|
prior_expr, prior = _amount(row[4], result.warnings, where)
|
|||
|
|
base_expr, base = _amount(row[5], result.warnings, where)
|
|||
|
|
kind = adj_kinds.get(_norm(row[6]), "year_rate") if row[6] not in (None, "") else "year_rate"
|
|||
|
|
_, adj_value = _amount(row[7], result.warnings, where)
|
|||
|
|
months = row[10:22]
|
|||
|
|
manual = any(m not in (None, "") for m in months)
|
|||
|
|
month_values = [float(_amount(m, result.warnings, where)[1]) for m in months] if manual else None
|
|||
|
|
selected = None
|
|||
|
|
if not manual and row[22] not in (None, ""):
|
|||
|
|
selected = parse_months(row[22])
|
|||
|
|
if not selected:
|
|||
|
|
result.warnings.append(f"{where}: could not read the months '{row[22]}', split over 12")
|
|||
|
|
order += 10
|
|||
|
|
db.add(CostLine(
|
|||
|
|
year_id=by.id, category_id=cat.id, site_id=site.id if site else None, name=name,
|
|||
|
|
description=str(row[2] or ""), remarks=str(row[9] or ""), prior_expr=prior_expr, prior_actual=prior,
|
|||
|
|
base_expr=base_expr, base_amount=base, adj_kind="none" if manual else kind, adj_value=adj_value,
|
|||
|
|
adj_reason=str(row[8] or ""), monthly_values=month_values, monthly_months=selected,
|
|||
|
|
monthly_kind="manual" if manual else "selected" if selected else "even",
|
|||
|
|
sort_order=order))
|
|||
|
|
result.lines += 1
|
|||
|
|
|
|||
|
|
record(db, user, "year", by.id, "import", f"Imported {result.lines} lines from template into {target_year}",
|
|||
|
|
year_id=by.id)
|
|||
|
|
db.commit()
|
|||
|
|
return result
|