60 lines
1.9 KiB
Python
60 lines
1.9 KiB
Python
from collections import defaultdict
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from fastapi import APIRouter, Depends, Request
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from fastapi.responses import HTMLResponse
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from sqlalchemy.sql.expression import func
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from app.sql import models
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from ..templates import jinja_templates
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from ..sql.database import get_db
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api_router = APIRouter(prefix="/stats", tags=["stats"])
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html_router = APIRouter(
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prefix="/stats", include_in_schema=False, default_response_class=HTMLResponse
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)
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@api_router.get("/graph")
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def stats_graph_api(db=Depends(get_db)):
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# TODO - parallelize? (Probably not worth it :P )
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# SO Answer on row_number: https://stackoverflow.com/a/38160409/1040915
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# Docs: https://docs.sqlalchemy.org/en/20/core/sqlelement.html#sqlalchemy.sql.expression.over
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row_number_column = (
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func.row_number()
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.over(
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partition_by=[models.Deck.name, models.Game.date],
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order_by=models.EloScore.id.desc(),
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)
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.label("row_number")
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)
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sub_query = (
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db.query(models.Deck.name, models.EloScore.score, models.Game.date)
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.outerjoin(models.EloScore, models.Deck.id == models.EloScore.deck_id)
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.join(models.Game, models.EloScore.after_game_id == models.Game.id)
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.add_column(row_number_column)
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.subquery()
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)
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query = db.query(sub_query).filter(sub_query.c.row_number == 1)
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results = query.all()
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data_grouped_by_deck = defaultdict(list)
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for result in results:
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# TODO - how to index results by name instead of tuple-number
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data_grouped_by_deck[result[0]].append(
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{"score": result[1], "date": result[2].strftime("%Y-%m-%d")}
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)
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return {
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"datasets": [
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{"label": key, "data": data_grouped_by_deck[key]}
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for key in data_grouped_by_deck
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]
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}
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@html_router.get("/graph")
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def stats_graph(request: Request, db=Depends(get_db)):
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return jinja_templates.TemplateResponse(request, "stats/graph.html")
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