chart/app/api/routes.py

132 lines
4.4 KiB
Python

import time
import uuid
from fastapi import APIRouter, Depends, HTTPException, Query, Request, Response
from pydantic import BaseModel, Field
from app.bars.models import Timeframe
from app.analysis.levels import Side
from app.analysis.manual_lines import ManualLine
from app.api.deps import require_token
# Everything here needs the token when CHART_AUTH_TOKEN is set. /health and
# /version live in app.api.meta and stay open on purpose.
router = APIRouter(prefix="/api", dependencies=[Depends(require_token)])
class LineCreate(BaseModel):
tf: Timeframe
side: Side
anchor_t: int
anchor_p: float
end_t: int
end_p: float
note: str = ""
hidden: bool = False
color: str = Field("#65b7cf", pattern=r"^#[0-9a-fA-F]{6}$")
line_width: int = Field(2, ge=1, le=4)
class LinePatch(BaseModel):
side: Side | None = None
note: str | None = None
hidden: bool | None = None
color: str | None = Field(None, pattern=r"^#[0-9a-fA-F]{6}$")
line_width: int | None = Field(None, ge=1, le=4)
anchor_t: int | None = None
anchor_p: float | None = None
slope: float | None = None
last_t: int | None = None
cutoff_t: int | None = None
@router.get("/status")
def status(request: Request):
runtime = request.app.state.runtime
return {
"stream": runtime.stream.status,
"source": runtime.stream.source.name,
"delay_minutes": runtime.stream.source.delay_minutes,
"symbol": runtime.stream.symbol,
"last_bar_t": runtime.stream.last_bar_t,
"bars_held": runtime.store.counts(),
"warm": {tf.value: bool(runtime.store.get(tf)) for tf in Timeframe},
}
@router.get("/bars")
def bars(request: Request, tf: str = "1m", limit: int = Query(500, ge=1, le=5000)):
try:
timeframe = Timeframe(tf)
except ValueError as exc:
raise HTTPException(400, "Unknown timeframe") from exc
values = request.app.state.runtime.store.get(timeframe, limit)
return {"tf": timeframe.value, "bars": [bar.to_dict() for bar in values]}
@router.get("/levels")
def levels(request: Request, tf: str = "all"):
values = request.app.state.runtime.levels
if tf != "all":
try:
timeframe = Timeframe(tf)
except ValueError as exc:
raise HTTPException(400, "Unknown timeframe") from exc
values = [level for level in values if level.tf is timeframe]
return {"levels": [level.to_dict() for level in values]}
@router.get("/confluence")
def confluence(request: Request):
runtime = request.app.state.runtime
return {
"price": runtime.price,
"clusters": [cluster.to_dict() for cluster in runtime.clusters],
}
@router.post("/lines", status_code=201)
def create_line(request: Request, payload: LineCreate):
if payload.end_t == payload.anchor_t:
raise HTTPException(400, "Line endpoints must have different times")
line = ManualLine(
id=f"ml_{uuid.uuid4().hex}",
tf=payload.tf,
side=payload.side,
anchor_t=payload.anchor_t,
anchor_p=payload.anchor_p,
slope=(payload.end_p - payload.anchor_p) / (payload.end_t - payload.anchor_t),
last_t=payload.end_t,
created_at=int(time.time()),
note=payload.note,
hidden=payload.hidden,
color=payload.color,
line_width=payload.line_width,
)
runtime = request.app.state.runtime
line = runtime.manual_lines.add(line)
runtime.rebuild_levels()
return line.to_level().to_dict()
@router.patch("/lines/{line_id}")
def patch_line(request: Request, line_id: str, payload: LinePatch):
changes = payload.model_dump(exclude_none=True)
if changes.get("anchor_t") == changes.get("last_t") and "anchor_t" in changes:
raise HTTPException(400, "Line endpoints must have different times")
try:
line = request.app.state.runtime.manual_lines.update(line_id, changes)
except KeyError as exc:
raise HTTPException(404, "Line not found") from exc
request.app.state.runtime.rebuild_levels()
return line.to_level().to_dict()
@router.delete("/lines/{line_id}", status_code=204)
def delete_line(request: Request, line_id: str):
try:
request.app.state.runtime.manual_lines.delete(line_id)
except KeyError as exc:
raise HTTPException(404, "Line not found") from exc
request.app.state.runtime.rebuild_levels()
return Response(status_code=204)