Initial commit
This commit is contained in:
Felix Baumann
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from django.contrib.auth.decorators import login_required
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from accounts.decorators import permission_required
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from django.shortcuts import render, get_object_or_404, redirect
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from django.db.models.functions import TruncMonth, TruncYear, TruncWeek, TruncDay
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from django.db.models import Sum
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from datetime import date, datetime, timedelta
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from projects.models import ProjectMembership
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from .models import Income, Expense
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import csv
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from django.http import HttpResponse
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from calendar import monthrange
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from .forms import IncomeForm, ExpenseForm
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from .tables import PeriodAnalyticsTable, FinanceTransactionTable
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# =========================================================
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# OVERVIEW
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# =========================================================
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@login_required
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@permission_required("projects_finance_view")
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def finance_overview(request, project_id):
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membership = get_object_or_404(
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ProjectMembership,
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user=request.user,
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project_id=project_id
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)
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project = membership.project
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# -------------------------
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# DATE FILTER (for KPI ONLY)
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# -------------------------
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start = request.GET.get("start")
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end = request.GET.get("end")
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if not start or not end:
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start_date = end_date = date.today()
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else:
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start_date = datetime.strptime(start, "%Y-%m-%d").date()
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end_date = datetime.strptime(end, "%Y-%m-%d").date()
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# -------------------------
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# KPI DATA (FILTERED)
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# -------------------------
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filtered_incomes = Income.objects.filter(
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project=project,
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date__date__range=[start_date, end_date]
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)
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filtered_expenses = Expense.objects.filter(
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project=project,
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date__date__range=[start_date, end_date]
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)
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total_income = sum(i.amount for i in filtered_incomes)
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total_expense = sum(e.amount for e in filtered_expenses)
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total_profit = total_income - total_expense
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incomes = Income.objects.filter(
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project=project,
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date__date__range=[start_date, end_date]
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).order_by("-date")
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expenses = Expense.objects.filter(
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project=project,
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date__date__range=[start_date, end_date]
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).order_by("-date")
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# -------------------------
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# PERIOD VIEW
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# -------------------------
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period = request.GET.get("period", "year")
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if period == "year":
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trunc = TruncYear("date")
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elif period == "week":
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trunc = TruncWeek("date")
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elif period == "day":
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trunc = TruncDay("date")
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else:
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trunc = TruncMonth("date")
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income_stats = (
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Income.objects.filter(project=project)
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.annotate(period_key=trunc)
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.values("period_key")
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.annotate(total=Sum("amount"))
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.order_by("-period_key")
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)
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expense_stats = (
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Expense.objects.filter(project=project)
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.annotate(period_key=trunc)
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.values("period_key")
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.annotate(total=Sum("amount"))
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.order_by("-period_key")
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)
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expense_map = {
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str(e["period_key"]): e["total"]
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for e in expense_stats
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}
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period_data = []
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for i in income_stats:
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period_start = i["period_key"]
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income_total = i["total"] or 0
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expense_total = expense_map.get(str(period_start), 0)
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if period == "year":
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period_end = period_start.replace(month=12, day=31)
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elif period == "week":
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period_end = period_start + timedelta(days=6)
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elif period == "day":
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period_end = period_start
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else:
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last_day = monthrange(period_start.year, period_start.month)[1]
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period_end = period_start.replace(day=last_day)
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period_data.append({
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"period": period_start,
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"period_start": period_start,
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"period_end": period_end,
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"income": income_total,
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"expense": expense_total,
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"profit": income_total - expense_total,
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})
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# -------------------------
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# RETURN
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# -------------------------
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table = PeriodAnalyticsTable(
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period_data,
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period_type=period,
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request=request,
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)
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return render(request, "finance/overview.html", {
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"project": project,
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# KPI (filtered)
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"total_income": total_income,
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"total_expense": total_expense,
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"total_profit": total_profit,
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# LISTS (all data)
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"incomes": incomes,
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"expenses": expenses,
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# PERIOD
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"period_data": period_data,
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"period": period,
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# UI
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"start_date": start_date,
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"end_date": end_date,
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"table": table,
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})
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@login_required
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@permission_required("projects_finance_view")
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def finance_view(request, project_id):
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membership = get_object_or_404(
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ProjectMembership,
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user=request.user,
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project_id=project_id
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)
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project = membership.project
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start = request.GET.get("start")
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end = request.GET.get("end")
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incomes = Income.objects.filter(project=project)
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expenses = Expense.objects.filter(project=project)
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if start:
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try:
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start_date = datetime.strptime(start, "%Y-%m-%d").date()
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incomes = incomes.filter(date__date__gte=start_date)
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expenses = expenses.filter(date__date__gte=start_date)
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except ValueError:
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pass
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if end:
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try:
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end_date = datetime.strptime(end, "%Y-%m-%d").date()
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incomes = incomes.filter(date__date__lte=end_date)
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expenses = expenses.filter(date__date__lte=end_date)
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except ValueError:
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pass
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# -------------------------
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# MERGED LIST (LIKE EXPORT ORDER)
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# -------------------------
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transactions = []
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for i in incomes:
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transactions.append({
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"type": "Einnahme",
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"date": i.date,
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"amount": i.amount,
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"category": i.category,
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"name": i.name,
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"created_by": i.created_by,
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"note": i.note,
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})
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for e in expenses:
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transactions.append({
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"type": "Ausgabe",
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"date": e.date,
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"amount": e.amount,
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"category": e.category,
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"name": e.name,
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"created_by": e.created_by,
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"note": e.note,
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"supplier": e.supplier,
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"payment_method": e.payment_method,
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"receipt": e.receipt,
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})
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transactions.sort(
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key=lambda x: x["date"],
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reverse=True,
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)
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table = FinanceTransactionTable(
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transactions,
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request=request,
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)
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return render(
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request,
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"finance/view.html",
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{
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"project": project,
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"table": table,
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"start_date": start_date,
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"end_date": end_date,
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},
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)
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# =========================
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# INCOME CREATE
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# =========================
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@login_required
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@permission_required("projects_finance_income_add")
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def add_income(request, project_id):
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membership = get_object_or_404(
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ProjectMembership,
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user=request.user,
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project_id=project_id
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)
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project = membership.project
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if request.method == "POST":
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form = IncomeForm(request.POST)
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if form.is_valid():
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income = form.save(commit=False)
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income.project = project
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income.created_by = request.user
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income.save()
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return redirect("finance:overview", project_id=project.id)
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else:
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form = IncomeForm()
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return render(request, "finance/form.html", {
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"form": form,
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"project": project,
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"type": "income",
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})
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# =========================
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# EXPENSE CREATE
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# =========================
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@login_required
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@permission_required("projects_finance_expense_add")
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def add_expense(request, project_id):
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membership = get_object_or_404(
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ProjectMembership,
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user=request.user,
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project_id=project_id
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)
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project = membership.project
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if request.method == "POST":
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form = ExpenseForm(request.POST, request.FILES)
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if form.is_valid():
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expense = form.save(commit=False)
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expense.project = project
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expense.created_by = request.user
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expense.save()
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return redirect("finance:overview", project_id=project.id)
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else:
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form = ExpenseForm()
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return render(request, "finance/form.html", {
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"form": form,
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"project": project,
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"type": "expense",
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})
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