180 lines
7.0 KiB
Python
180 lines
7.0 KiB
Python
import math
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import os
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import platform
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import random
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from collections import Counter
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from django import get_version as django_version
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from django.shortcuts import render, redirect, get_object_or_404
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from django.utils import timezone
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from django.contrib import messages
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from .forms import LotterySimulatorForm
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from .models import Lottery, DrawResult, AdminAccess
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def check_admin(request):
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"""Verifica se a chave privada na sessão é válida."""
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key = request.session.get('admin_key')
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return AdminAccess.objects.filter(private_key=key).exists()
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def admin_login(request):
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"""Tela de login simples para a Chave Privada."""
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if request.method == 'POST':
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key = request.POST.get('private_key')
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if AdminAccess.objects.filter(private_key=key).exists():
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request.session['admin_key'] = key
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return redirect('admin_dashboard')
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else:
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messages.error(request, "Chave Privada Inválida!")
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return render(request, 'core/admin_login.html')
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def admin_logout(request):
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request.session.flush()
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return redirect('home')
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def admin_dashboard(request):
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"""Painel principal do administrador."""
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if not check_admin(request):
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return redirect('admin_login')
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loterias = Lottery.objects.all()
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return render(request, 'core/admin_dashboard.html', {'loterias': loterias})
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def edit_lottery(request, lottery_id):
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"""Editor específico para cada jogo (anular números)."""
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if not check_admin(request):
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return redirect('admin_login')
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lottery = get_object_or_404(Lottery, id=lottery_id)
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# Ajuste para Lotomania (0-99 se necessário, mas mantendo 1-100 por padrão)
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numbers = range(1, lottery.max_number + 1)
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annulled = [int(n) for n in lottery.annulled_numbers.split(',') if n]
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if request.method == 'POST':
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selected_numbers = request.POST.getlist('numbers')
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lottery.annulled_numbers = ",".join(selected_numbers)
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lottery.save()
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messages.success(request, f"Configurações da {lottery.get_name_display()} salvas!")
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return redirect('admin_dashboard')
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return render(request, 'core/edit_lottery.html', {
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'lottery': lottery,
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'numbers': numbers,
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'annulled': annulled
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})
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def _format_odds(total_combinations):
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if total_combinations >= 1_000_000_000_000:
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return f"1 em {total_combinations:.2e}"
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return f"1 em {total_combinations:,}".replace(",", ".")
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def _format_percent(odds):
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percent = 100 / odds
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if percent < 0.000001:
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return "<0,000001%"
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return f"{percent:.6f}%".replace(".", ",")
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def home(request):
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"""Render the landing screen with lottery simulator and insights."""
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host_name = request.get_host().lower()
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agent_brand = "AppWizzy" if host_name == "appwizzy.com" else "Flatlogic"
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now = timezone.now()
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loterias_db = Lottery.objects.all()
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lottery_choices = [(l.name, l.get_name_display()) for l in loterias_db]
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lottery_cards = []
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for l in loterias_db:
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total_combinations = math.comb(l.max_number, l.numbers_to_draw)
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lottery_cards.append({
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"key": l.name,
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"label": l.get_name_display(),
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"tagline": f"{l.numbers_to_draw} dezenas entre {l.max_number}",
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"range_max": l.max_number,
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"picks": l.numbers_to_draw,
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"odds": _format_odds(total_combinations),
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})
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form = LotterySimulatorForm(
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request.POST or None,
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lottery_choices=lottery_choices,
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)
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result = None
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if form.is_valid():
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lottery_key = form.cleaned_data["lottery_type"]
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draws_to_consider = form.cleaned_data["draws_to_consider"]
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games_to_generate = form.cleaned_data["games_to_generate"]
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lottery_obj = Lottery.objects.get(name=lottery_key)
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annulled = [int(n) for n in lottery_obj.annulled_numbers.split(',') if n]
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# Busca sorteios reais no banco
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draws_db = DrawResult.objects.filter(lottery=lottery_obj)[:draws_to_consider]
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draw_lists = []
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for d in draws_db:
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draw_lists.append([int(n) for n in d.numbers.split(',')])
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# Se não houver sorteios reais, usa aleatórios para manter a app funcionando
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if not draw_lists:
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rng_mock = random.Random(42)
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population = list(range(1, lottery_obj.max_number + 1))
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for _ in range(draws_to_consider):
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draw_lists.append(rng_mock.sample(population, lottery_obj.numbers_to_draw))
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frequency = Counter(number for draw in draw_lists for number in draw)
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numbers = [n for n in range(1, lottery_obj.max_number + 1) if n not in annulled]
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# Números Quentes (Verde) e Frios (Vermelho)
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# Quentes: Maior frequência e não anulados
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hot_candidates = frequency.most_common(15)
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hot_numbers = [n for n, c in hot_candidates if n not in annulled][:8]
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# Pesos para geração baseados na frequência
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weights = [frequency.get(number, 0) + 1 for number in numbers]
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rng = random.Random(f"{lottery_key}-{draws_to_consider}-{games_to_generate}")
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suggestions = []
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for _ in range(games_to_generate):
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if len(numbers) >= lottery_obj.numbers_to_draw:
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# Simulação ponderada simples
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indices = list(range(len(numbers)))
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ws = [frequency.get(numbers[i], 0) + 1 for i in indices]
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selected_indices = random.choices(indices, weights=ws, k=lottery_obj.numbers_to_draw)
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# Garante que não repete números no mesmo jogo
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game = []
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temp_indices = indices.copy()
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for _p in range(lottery_obj.numbers_to_draw):
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ws_temp = [frequency.get(numbers[i], 0) + 1 for i in temp_indices]
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idx = random.choices(range(len(temp_indices)), weights=ws_temp, k=1)[0]
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game.append(numbers[temp_indices[idx]])
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del temp_indices[idx]
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suggestions.append(sorted(game))
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total_combinations = math.comb(lottery_obj.max_number, lottery_obj.numbers_to_draw)
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result = {
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"lottery": lottery_obj.get_name_display(),
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"draws_used": len(draw_lists),
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"total_combinations": f"{total_combinations:,}".replace(",", "."),
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"odds": _format_odds(total_combinations),
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"percent": _format_percent(total_combinations),
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"suggestions": suggestions,
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"hot_numbers": hot_numbers,
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"annulled_numbers": annulled,
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}
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context = {
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"project_name": "LotoPulse",
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"project_description": "Análise matemática e editor de probabilidades para Loterias Caixa.",
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"agent_brand": agent_brand,
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"django_version": django_version(),
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"python_version": platform.python_version(),
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"current_time": now,
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"form": form,
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"result": result,
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"lottery_cards": lottery_cards,
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"is_admin": check_admin(request),
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}
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return render(request, "core/index.html", context)
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