125 lines
3.6 KiB
Python
125 lines
3.6 KiB
Python
import json
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import re
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from typing import Any, List, Optional
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from . import db
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from .models import NostrEvent, NostrFilter
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async def create_event(relay_id: str, e: NostrEvent):
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await db.execute(
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"""
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INSERT INTO nostrrelay.events (
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relay_id,
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id,
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pubkey,
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created_at,
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kind,
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content,
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sig
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)
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VALUES (?, ?, ?, ?, ?, ?, ?)
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ON CONFLICT (id) DO NOTHING
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""",
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(relay_id, e.id, e.pubkey, e.created_at, e.kind, e.content, e.sig),
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)
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# todo: optimize with bulk insert
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for tag in e.tags:
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name, value, *rest = tag
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extra = json.dumps(rest) if rest else None
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await create_event_tags(relay_id, e.id, name, value, extra)
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async def get_events(relay_id: str, filter: NostrFilter) -> List[NostrEvent]:
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values: List[Any] = []
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query = "SELECT id, pubkey, created_at, kind, content, sig FROM nostrrelay.events"
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if len(filter.e) or len(filter.p):
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query += " INNER JOIN nostrrelay.event_tags ON nostrrelay.events.id = nostrrelay.event_tags.event_id WHERE"
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if len(filter.e):
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values += filter.e
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e_s = ",".join(["?"] * len(filter.e))
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query += f" nostrrelay.event_tags.value in ({e_s}) AND nostrrelay.event_tags.name = 'e'"
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if len(filter.p):
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values += filter.p
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p_s = ",".join(["?"] * len(filter.p))
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and_op = " AND " if len(filter.e) else ""
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query += f"{and_op} nostrrelay.event_tags.value in ({p_s}) AND nostrrelay.event_tags.name = 'p'"
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query += " AND nostrrelay.events.relay_id = ?"
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else:
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query += " WHERE nostrrelay.events.relay_id = ?"
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values.append(relay_id)
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if len(filter.ids) != 0:
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ids = ",".join(["?"] * len(filter.ids))
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query += f" AND id IN ({ids})"
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values += filter.ids
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if len(filter.authors) != 0:
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authors = ",".join(["?"] * len(filter.authors))
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query += f" AND pubkey IN ({authors})"
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values += filter.authors
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if len(filter.kinds) != 0:
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kinds = ",".join(["?"] * len(filter.kinds))
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query += f" AND kind IN ({kinds})"
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values += filter.kinds
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if filter.since:
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query += f" AND created_at >= ?"
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values += [filter.since]
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if filter.until:
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query += f" AND created_at <= ?"
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values += [filter.until]
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query += " ORDER BY created_at DESC"
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if filter.limit and type(filter.limit) == int and filter.limit > 0:
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query += f" LIMIT {filter.limit}"
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rows = await db.fetchall(query, tuple(values))
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events = []
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for row in rows:
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event = NostrEvent.from_row(row)
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event.tags = await get_event_tags(relay_id, event.id)
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events.append(event)
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return events
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async def create_event_tags(
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relay_id: str, event_id: str, tag_name: str, tag_value: str, extra_values: Optional[str]
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):
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await db.execute(
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"""
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INSERT INTO nostrrelay.event_tags (
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relay_id,
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event_id,
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name,
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value,
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extra
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)
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VALUES (?, ?, ?, ?, ?)
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""",
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(relay_id, event_id, tag_name, tag_value, extra_values),
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)
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async def get_event_tags(
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relay_id: str, event_id: str
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) -> List[List[str]]:
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rows = await db.fetchall(
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"SELECT * FROM nostrrelay.event_tags WHERE relay_id = ? and event_id = ?",
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(relay_id, event_id),
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)
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tags: List[List[str]] = []
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for row in rows:
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tag = [row["name"], row["value"]]
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extra = row["extra"]
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if extra:
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tag += json.loads(extra)
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tags.append(tag)
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return tags
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