zwitschi
d9fd82b2e3
- Added CapexComponentInput, CapexParameters, CapexCalculationRequest, CapexCalculationResult, and related schemas for capex calculations. - Introduced calculate_initial_capex function to aggregate capex components and compute totals and timelines. - Created ProjectCapexRepository and ScenarioCapexRepository for managing capex snapshots in the database. - Developed capex.html template for capturing and displaying initial capex data. - Registered common Jinja2 filters for formatting currency and percentages. - Implemented unit and integration tests for capex calculation functionality. - Updated unit of work to include new repositories for capex management.
96 lines
2.6 KiB
Python
96 lines
2.6 KiB
Python
from __future__ import annotations
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from datetime import datetime, timezone
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from typing import Any
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from fastapi.templating import Jinja2Templates
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def format_datetime(value: Any) -> str:
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"""Render datetime values consistently for templates."""
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if not isinstance(value, datetime):
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return ""
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if value.tzinfo is None:
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value = value.replace(tzinfo=timezone.utc)
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return value.strftime("%Y-%m-%d %H:%M UTC")
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def currency_display(value: Any, currency_code: str | None) -> str:
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"""Format numeric values with currency context."""
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if value is None:
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return "—"
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if isinstance(value, (int, float)):
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formatted_value = f"{value:,.2f}"
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else:
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formatted_value = str(value)
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if currency_code:
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return f"{currency_code} {formatted_value}"
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return formatted_value
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def format_metric(value: Any, metric_name: str, currency_code: str | None = None) -> str:
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"""Format metrics according to their semantic type."""
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if value is None:
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return "—"
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currency_metrics = {
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"npv",
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"inflows",
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"outflows",
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"net",
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"total_inflows",
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"total_outflows",
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"total_net",
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}
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if metric_name in currency_metrics and currency_code:
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return currency_display(value, currency_code)
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percentage_metrics = {"irr", "payback_period"}
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if metric_name in percentage_metrics:
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if isinstance(value, (int, float)):
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return f"{value:.2f}%"
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return f"{value}%"
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if isinstance(value, (int, float)):
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return f"{value:,.2f}"
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return str(value)
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def percentage_display(value: Any) -> str:
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"""Format numeric values as percentages."""
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if value is None:
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return "—"
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if isinstance(value, (int, float)):
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return f"{value:.2f}%"
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return f"{value}%"
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def period_display(value: Any) -> str:
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"""Format period values in years."""
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if value is None:
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return "—"
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if isinstance(value, (int, float)):
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if value == int(value):
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return f"{int(value)} years"
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return f"{value:.1f} years"
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return str(value)
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def register_common_filters(templates: Jinja2Templates) -> None:
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templates.env.filters["format_datetime"] = format_datetime
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templates.env.filters["currency_display"] = currency_display
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templates.env.filters["format_metric"] = format_metric
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templates.env.filters["percentage_display"] = percentage_display
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templates.env.filters["period_display"] = period_display
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__all__ = [
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"format_datetime",
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"currency_display",
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"format_metric",
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"percentage_display",
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"period_display",
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"register_common_filters",
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]
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