from datetime import datetime, timedelta from typing import Any, Callable from django.core.exceptions import ObjectDoesNotExist from django.db.models import Avg, Count, ExpressionWrapper, F, Prefetch, Q, Sum, fields from django.db.models.functions import Extract, TruncDate from django.http import ( HttpRequest, HttpResponse, HttpResponseBadRequest, HttpResponseRedirect, ) from django.shortcuts import redirect, render from django.urls import reverse from django.utils import timezone from common.time import format_duration from common.utils import safe_division from .forms import ( DeviceForm, EditionForm, GameForm, PlatformForm, PurchaseForm, SessionForm, ) from .models import Edition, Game, Platform, Purchase, Session def model_counts(request): return { "game_available": Game.objects.exists(), "edition_available": Edition.objects.exists(), "platform_available": Platform.objects.exists(), "purchase_available": Purchase.objects.exists(), "session_count": Session.objects.exists(), } def stats_dropdown_year_range(request): result = {"stats_dropdown_year_range": range(timezone.now().year, 1999, -1)} return result def add_session(request, purchase_id=None): context = {} initial = {"timestamp_start": timezone.now()} last = Session.objects.last() if last != None: initial["purchase"] = last.purchase if request.method == "POST": form = SessionForm(request.POST or None, initial=initial) if form.is_valid(): form.save() return redirect("list_sessions") else: if purchase_id: purchase = Purchase.objects.get(id=purchase_id) form = SessionForm( initial={ **initial, "purchase": purchase, } ) else: form = SessionForm(initial=initial) context["title"] = "Add New Session" context["form"] = form return render(request, "add_session.html", context) def update_session(request, session_id=None): session = Session.objects.get(id=session_id) session.finish_now() session.save() return redirect("list_sessions") def use_custom_redirect( func: Callable[..., HttpResponse] ) -> Callable[..., HttpResponse]: """ Will redirect to "return_path" session variable if set. """ def wrapper(request: HttpRequest, *args: Any, **kwargs: Any) -> HttpResponse: response = func(request, *args, **kwargs) if isinstance(response, HttpResponseRedirect) and ( next_url := request.session.get("return_path") ): return HttpResponseRedirect(next_url) return response return wrapper @use_custom_redirect def edit_session(request, session_id=None): context = {} session = Session.objects.get(id=session_id) form = SessionForm(request.POST or None, instance=session) if form.is_valid(): form.save() return redirect("list_sessions") context["title"] = "Edit Session" context["form"] = form return render(request, "add_session.html", context) @use_custom_redirect def edit_purchase(request, purchase_id=None): context = {} purchase = Purchase.objects.get(id=purchase_id) form = PurchaseForm(request.POST or None, instance=purchase) if form.is_valid(): form.save() return redirect("list_sessions") context["title"] = "Edit Purchase" context["form"] = form context["script_name"] = "add_purchase.js" return render(request, "add_purchase.html", context) @use_custom_redirect def edit_game(request, game_id=None): context = {} purchase = Game.objects.get(id=game_id) form = GameForm(request.POST or None, instance=purchase) if form.is_valid(): form.save() return redirect("list_sessions") context["title"] = "Edit Game" context["form"] = form return render(request, "add.html", context) def view_game(request, game_id=None): game = Game.objects.get(id=game_id) nongame_related_purchases_prefetch = Prefetch( "related_purchases", queryset=Purchase.objects.exclude(type=Purchase.GAME), to_attr="nongame_related_purchases", ) game_purchases_prefetch = Prefetch( "purchase_set", queryset=Purchase.objects.filter(type=Purchase.GAME).prefetch_related( nongame_related_purchases_prefetch ), to_attr="game_purchases", ) editions = ( Edition.objects.filter(game=game) .prefetch_related(game_purchases_prefetch) .order_by("year_released") ) sessions = Session.objects.filter(purchase__edition__game=game) session_count = sessions.count() playrange_start = sessions.earliest().timestamp_start.strftime("%b %Y") playrange_end = sessions.latest().timestamp_start.strftime("%b %Y") playrange = ( playrange_start if playrange_start == playrange_end else f"{playrange_start} — {playrange_end}" ) total_hours = float(format_duration(sessions.total_duration_unformatted(), "%2.1H")) context = { "edition_count": editions.count(), "editions": editions, "game": game, "playrange": playrange, "purchase_count": Purchase.objects.filter(edition__game=game).count(), "session_average": round(total_hours / int(session_count), 1), "session_count": session_count, "sessions_with_notes_count": sessions.exclude(note="").count(), "sessions": sessions.order_by("-timestamp_start"), "title": f"Game Overview - {game.name}", "hours_sum": total_hours, } request.session["return_path"] = request.path return render(request, "view_game.html", context) @use_custom_redirect def edit_platform(request, platform_id=None): context = {} purchase = Platform.objects.get(id=platform_id) form = PlatformForm(request.POST or None, instance=purchase) if form.is_valid(): form.save() return redirect("list_sessions") context["title"] = "Edit Platform" context["form"] = form return render(request, "add.html", context) @use_custom_redirect def edit_edition(request, edition_id=None): context = {} edition = Edition.objects.get(id=edition_id) form = EditionForm(request.POST or None, instance=edition) if form.is_valid(): form.save() return redirect("list_sessions") context["title"] = "Edit Edition" context["form"] = form return render(request, "add.html", context) def related_purchase_by_edition(request): edition_id = request.GET.get("edition") if not edition_id: return HttpResponseBadRequest("Invalid edition_id") form = PurchaseForm() form.fields["related_purchase"].queryset = Purchase.objects.filter( edition_id=edition_id, type=Purchase.GAME ).order_by("edition__sort_name") return render(request, "partials/related_purchase_field.html", {"form": form}) @use_custom_redirect def start_game_session(request, game_id: int): last_session = Session.objects.filter(purchase__edition__game_id=game_id).latest() session = SessionForm( { "purchase": last_session.purchase.id, "timestamp_start": timezone.now(), "device": last_session.device, } ) session.save() return redirect("list_sessions") def start_session_same_as_last(request, last_session_id: int): last_session = Session.objects.get(id=last_session_id) session = SessionForm( { "purchase": last_session.purchase.id, "timestamp_start": timezone.now(), "device": last_session.device, } ) session.save() return redirect("list_sessions") # def delete_session(request, session_id=None): # session = Session.objects.get(id=session_id) # session.delete() # return redirect("list_sessions") def list_sessions( request, filter="", purchase_id="", platform_id="", game_id="", edition_id="", ownership_type: str = "", ): context = {} context["title"] = "Sessions" if filter == "purchase": dataset = Session.objects.filter(purchase=purchase_id) context["purchase"] = Purchase.objects.get(id=purchase_id) elif filter == "platform": dataset = Session.objects.filter(purchase__platform=platform_id) context["platform"] = Platform.objects.get(id=platform_id) elif filter == "edition": dataset = Session.objects.filter(purchase__edition=edition_id) context["edition"] = Edition.objects.get(id=edition_id) elif filter == "game": dataset = Session.objects.filter(purchase__edition__game=game_id) context["game"] = Game.objects.get(id=game_id) elif filter == "ownership_type": dataset = Session.objects.filter(purchase__ownership_type=ownership_type) context["ownership_type"] = dict(Purchase.OWNERSHIP_TYPES)[ownership_type] elif filter == "recent": current_year = timezone.now().year first_day_of_year = timezone.make_aware(datetime(current_year, 1, 1)) dataset = Session.objects.filter( timestamp_start__gte=first_day_of_year ).order_by("-timestamp_start") context["title"] = "This year" else: # by default, sort from newest to oldest dataset = Session.objects.order_by("-timestamp_start") for session in dataset: if session.timestamp_end == None and session.duration_manual == timedelta( seconds=0 ): session.timestamp_end = timezone.now() session.unfinished = True context["total_duration"] = dataset.total_duration_formatted() context["dataset"] = dataset try: context["last"] = Session.objects.latest() except ObjectDoesNotExist: context["last"] = None return render(request, "list_sessions.html", context) def stats(request, year: int = 0): selected_year = request.GET.get("year") if selected_year: return HttpResponseRedirect(reverse("stats_by_year", args=[selected_year])) if year == 0: year = timezone.now().year this_year_sessions = Session.objects.filter(timestamp_start__year=year) this_year_sessions_with_durations = this_year_sessions.annotate( duration=ExpressionWrapper( F("timestamp_end") - F("timestamp_start"), output_field=fields.DurationField(), ) ) longest_session = this_year_sessions_with_durations.order_by("-duration").first() this_year_games = Game.objects.filter( edition__purchase__session__in=this_year_sessions ).distinct() this_year_games_with_session_counts = this_year_games.annotate( session_count=Count( "edition__purchase__session", filter=Q(edition__purchase__session__timestamp_start__year=year), ) ) game_highest_session_count = this_year_games_with_session_counts.order_by( "-session_count" ).first() selected_currency = "CZK" unique_days = ( this_year_sessions.annotate(date=TruncDate("timestamp_start")) .values("date") .distinct() .aggregate(dates=Count("date")) ) this_year_played_purchases = Purchase.objects.filter( session__in=this_year_sessions ).distinct() this_year_purchases = Purchase.objects.filter(date_purchased__year=year) this_year_purchases_with_currency = this_year_purchases.filter( price_currency__exact=selected_currency ) this_year_purchases_without_refunded = this_year_purchases_with_currency.filter( date_refunded=None ) this_year_purchases_refunded = this_year_purchases_with_currency.refunded() this_year_purchases_unfinished = this_year_purchases_without_refunded.filter( date_finished__isnull=True ).filter( Q(type=Purchase.GAME) | Q(type=Purchase.DLC) ) # do not count battle passes etc. this_year_purchases_unfinished_percent = int( safe_division( this_year_purchases_unfinished.count(), this_year_purchases_without_refunded.count(), ) * 100 ) purchases_finished_this_year = Purchase.objects.filter(date_finished__year=year) purchases_finished_this_year_released_this_year = ( purchases_finished_this_year.filter(edition__year_released=year).order_by( "date_finished" ) ) purchased_this_year_finished_this_year = ( this_year_purchases_without_refunded.intersection( purchases_finished_this_year ).order_by("date_finished") ) this_year_spendings = this_year_purchases_without_refunded.aggregate( total_spent=Sum(F("price")) ) total_spent = this_year_spendings["total_spent"] or 0 games_with_playtime = ( Game.objects.filter(edition__purchase__session__in=this_year_sessions) .annotate( total_playtime=Sum( F("edition__purchase__session__duration_calculated") + F("edition__purchase__session__duration_manual") ) ) .values("id", "name", "total_playtime") ) highest_session_average_game = ( Game.objects.filter(edition__purchase__session__in=this_year_sessions) .annotate( session_average=Avg("edition__purchase__session__duration_calculated") ) .order_by("-session_average") .first() ) top_10_games_by_playtime = games_with_playtime.order_by("-total_playtime")[:10] for game in top_10_games_by_playtime: game["formatted_playtime"] = format_duration(game["total_playtime"], "%2.0H") total_playtime_per_platform = ( this_year_sessions.values("purchase__platform__name") .annotate(total_playtime=Sum(F("duration_calculated") + F("duration_manual"))) .annotate(platform_name=F("purchase__platform__name")) .values("platform_name", "total_playtime") .order_by("-total_playtime") ) for item in total_playtime_per_platform: item["formatted_playtime"] = format_duration(item["total_playtime"], "%2.0H") backlog_decrease_count = ( Purchase.objects.filter(date_purchased__year__lt=year) .intersection(purchases_finished_this_year) .count() ) first_play_name = "N/A" first_play_date = "N/A" last_play_name = "N/A" last_play_date = "N/A" if this_year_sessions: first_session = this_year_sessions.earliest() first_play_name = first_session.purchase.edition.name first_play_date = first_session.timestamp_start.strftime("%x") last_session = this_year_sessions.latest() last_play_name = last_session.purchase.edition.name last_play_date = last_session.timestamp_start.strftime("%x") context = { "total_hours": format_duration( this_year_sessions.total_duration_unformatted(), "%2.0H" ), "total_games": this_year_played_purchases.count(), "total_2023_games": this_year_played_purchases.filter( edition__year_released=year ).count(), "top_10_games_by_playtime": top_10_games_by_playtime, "year": year, "total_playtime_per_platform": total_playtime_per_platform, "total_spent": total_spent, "total_spent_currency": selected_currency, "all_purchased_this_year": this_year_purchases_without_refunded, "spent_per_game": int( safe_division(total_spent, this_year_purchases_without_refunded.count()) ), "all_finished_this_year": purchases_finished_this_year.order_by( "date_finished" ), "this_year_finished_this_year": purchases_finished_this_year_released_this_year.order_by( "date_finished" ), "purchased_this_year_finished_this_year": purchased_this_year_finished_this_year.order_by( "date_finished" ), "total_sessions": this_year_sessions.count(), "unique_days": unique_days["dates"], "unique_days_percent": int(unique_days["dates"] / 365 * 100), "purchased_unfinished": this_year_purchases_unfinished, "unfinished_purchases_percent": this_year_purchases_unfinished_percent, "refunded_percent": int( safe_division( this_year_purchases_refunded.count(), this_year_purchases_with_currency.count(), ) * 100 ), "all_purchased_refunded_this_year": this_year_purchases_refunded, "all_purchased_this_year": this_year_purchases_with_currency.order_by( "date_purchased" ), "backlog_decrease_count": backlog_decrease_count, "longest_session_time": format_duration( longest_session.duration, "%2.0Hh %2.0mm" ) if longest_session else 0, "longest_session_game": longest_session.purchase.edition.name if longest_session else "N/A", "highest_session_count": game_highest_session_count.session_count if game_highest_session_count else 0, "highest_session_count_game": game_highest_session_count.name if game_highest_session_count else "N/A", "highest_session_average": format_duration( highest_session_average_game.session_average, "%2.0Hh %2.0mm" ) if highest_session_average_game else 0, "highest_session_average_game": highest_session_average_game, "first_play_name": first_play_name, "first_play_date": first_play_date, "last_play_name": last_play_name, "last_play_date": last_play_date, "title": f"{year} Stats", } request.session["return_path"] = request.path return render(request, "stats.html", context) def add_purchase(request, edition_id=None): context = {} initial = {"date_purchased": timezone.now()} if request.method == "POST": form = PurchaseForm(request.POST or None, initial=initial) if form.is_valid(): purchase = form.save() if "submit_and_redirect" in request.POST: return HttpResponseRedirect( reverse( "add_session_for_purchase", kwargs={"purchase_id": purchase.id} ) ) else: return redirect("index") else: if edition_id: edition = Edition.objects.get(id=edition_id) form = PurchaseForm( initial={ **initial, "edition": edition, "platform": edition.platform, } ) else: form = PurchaseForm(initial=initial) context["form"] = form context["title"] = "Add New Purchase" context["script_name"] = "add_purchase.js" return render(request, "add_purchase.html", context) def add_game(request): context = {} form = GameForm(request.POST or None) if form.is_valid(): game = form.save() if "submit_and_redirect" in request.POST: return HttpResponseRedirect( reverse("add_edition_for_game", kwargs={"game_id": game.id}) ) else: return redirect("index") context["form"] = form context["title"] = "Add New Game" context["script_name"] = "add_game.js" return render(request, "add_game.html", context) def add_edition(request, game_id=None): context = {} if request.method == "POST": form = EditionForm(request.POST or None) if form.is_valid(): edition = form.save() if "submit_and_redirect" in request.POST: return HttpResponseRedirect( reverse( "add_purchase_for_edition", kwargs={"edition_id": edition.id} ) ) else: return redirect("index") else: if game_id: game = Game.objects.get(id=game_id) form = EditionForm( initial={ "game": game, "name": game.name, "sort_name": game.sort_name, "year_released": game.year_released, } ) else: form = EditionForm() context["form"] = form context["title"] = "Add New Edition" context["script_name"] = "add_edition.js" return render(request, "add_edition.html", context) def add_platform(request): context = {} form = PlatformForm(request.POST or None) if form.is_valid(): form.save() return redirect("index") context["form"] = form context["title"] = "Add New Platform" return render(request, "add.html", context) def add_device(request): context = {} form = DeviceForm(request.POST or None) if form.is_valid(): form.save() return redirect("index") context["form"] = form context["title"] = "Add New Device" return render(request, "add.html", context) def index(request): return redirect("list_sessions_recent")