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