ORM update and lots of improvements

2025-05-24 19:30:23 +03:00
parent d2d6ba1be9
commit d4d2ff1867
106 changed files with 7634 additions and 5279 deletions
@@ -0,0 +1,276 @@
+from sqlalchemy import and_, desc, func, insert, select, text, update
+from sqlalchemy.exc import SQLAlchemyError
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from config import CHECK_REFERRAL_REWARD_ISSUED, REFERRAL_BONUS_PERCENTAGES
+from database.models import Referral
+from logger import logger
+
+
+async def add_referral(session: AsyncSession, referred_tg_id: int, referrer_tg_id: int):
+    try:
+        if referred_tg_id == referrer_tg_id:
+            logger.warning(f"⚠️ Попытка самореферала: {referred_tg_id}")
+            return
+
+        stmt = insert(Referral).values(
+            referred_tg_id=referred_tg_id, referrer_tg_id=referrer_tg_id
+        )
+        await session.execute(stmt)
+        await session.commit()
+        logger.info(
+            f"✅ Добавлена реферальная связь: {referred_tg_id} → {referrer_tg_id}"
+        )
+    except SQLAlchemyError as e:
+        logger.error(f"❌ Ошибка при добавлении реферала: {e}")
+        await session.rollback()
+        raise
+
+
+async def get_referral_by_referred_id(
+    session: AsyncSession, referred_tg_id: int
+) -> dict | None:
+    stmt = select(Referral).where(Referral.referred_tg_id == referred_tg_id)
+    result = await session.execute(stmt)
+    row = result.scalar_one_or_none()
+    return dict(row.__dict__) if row else None
+
+
+async def get_total_referrals(session: AsyncSession, referrer_tg_id: int) -> int:
+    stmt = (
+        select(func.count())
+        .select_from(Referral)
+        .where(Referral.referrer_tg_id == referrer_tg_id)
+    )
+    result = await session.execute(stmt)
+    return result.scalar()
+
+
+async def get_active_referrals(session: AsyncSession, referrer_tg_id: int) -> int:
+    stmt = (
+        select(func.count())
+        .select_from(Referral)
+        .where(
+            and_(
+                Referral.referrer_tg_id == referrer_tg_id,
+                Referral.reward_issued is True,
+            )
+        )
+    )
+    result = await session.execute(stmt)
+    return result.scalar()
+
+
+async def mark_referral_reward_issued(session: AsyncSession, referred_tg_id: int):
+    await session.execute(
+        update(Referral)
+        .where(Referral.referred_tg_id == referred_tg_id)
+        .values(reward_issued=True)
+    )
+    await session.commit()
+
+
+async def get_total_referral_bonus(
+    session: AsyncSession, referrer_tg_id: int, max_levels: int
+) -> float:
+    if CHECK_REFERRAL_REWARD_ISSUED:
+        bonus_cte = """
+            WITH RECURSIVE
+            referral_levels AS (
+                SELECT 
+                    referred_tg_id, 
+                    referrer_tg_id, 
+                    1 AS level
+                FROM referrals 
+                WHERE referrer_tg_id = :tg_id AND reward_issued = TRUE
+                
+                UNION
+                
+                SELECT 
+                    r.referred_tg_id, 
+                    r.referrer_tg_id, 
+                    rl.level + 1
+                FROM referrals r
+                JOIN referral_levels rl ON r.referrer_tg_id = rl.referred_tg_id
+                WHERE rl.level < :max_levels AND r.reward_issued = TRUE
+            ),
+            earliest_payments AS (
+                SELECT DISTINCT ON (tg_id) tg_id, amount, created_at
+                FROM payments
+                WHERE status = 'success'
+                ORDER BY tg_id, created_at
+            )
+        """
+        bonus_query = (
+            bonus_cte
+            + f"""
+            SELECT 
+                COALESCE(SUM(
+                    CASE
+                        {
+                " ".join([
+                    f"WHEN rl.level = {level} THEN {REFERRAL_BONUS_PERCENTAGES[level]} * ep.amount"
+                    if isinstance(REFERRAL_BONUS_PERCENTAGES[level], float)
+                    else f"WHEN rl.level = {level} THEN {REFERRAL_BONUS_PERCENTAGES[level]}"
+                    for level in REFERRAL_BONUS_PERCENTAGES
+                ])
+            }
+                        ELSE 0 
+                    END
+                ), 0) AS total_bonus
+            FROM referral_levels rl
+            JOIN earliest_payments ep ON rl.referred_tg_id = ep.tg_id
+            WHERE rl.level <= :max_levels
+        """
+        )
+    else:
+        bonus_cte = """
+            WITH RECURSIVE
+            referral_levels AS (
+                SELECT 
+                    referred_tg_id, 
+                    referrer_tg_id, 
+                    1 AS level
+                FROM referrals 
+                WHERE referrer_tg_id = :tg_id
+                
+                UNION
+                
+                SELECT 
+                    r.referred_tg_id, 
+                    r.referrer_tg_id, 
+                    rl.level + 1
+                FROM referrals r
+                JOIN referral_levels rl ON r.referrer_tg_id = rl.referred_tg_id
+                WHERE rl.level < :max_levels
+            )
+        """
+        bonus_query = (
+            bonus_cte
+            + f"""
+            SELECT 
+                COALESCE(SUM(
+                    CASE
+                        {
+                " ".join([
+                    f"WHEN rl.level = {level} THEN {REFERRAL_BONUS_PERCENTAGES[level]} * p.amount"
+                    if isinstance(REFERRAL_BONUS_PERCENTAGES[level], float)
+                    else f"WHEN rl.level = {level} THEN {REFERRAL_BONUS_PERCENTAGES[level]}"
+                    for level in REFERRAL_BONUS_PERCENTAGES
+                ])
+            }
+                        ELSE 0 
+                    END
+                ), 0) AS total_bonus
+            FROM referral_levels rl
+            JOIN payments p ON rl.referred_tg_id = p.tg_id
+            WHERE p.status = 'success' AND rl.level <= :max_levels
+        """
+        )
+
+    result = await session.execute(
+        text(bonus_query), {"tg_id": referrer_tg_id, "max_levels": max_levels}
+    )
+    total_bonus = result.scalar() or 0.0
+    logger.debug(f"Получена общая сумма бонусов от рефералов: {total_bonus}")
+    return total_bonus
+
+
+async def get_referrals_by_level(
+    session: AsyncSession, referrer_tg_id: int, max_levels: int
+) -> dict:
+    query = """
+        WITH RECURSIVE referral_levels AS (
+            SELECT referred_tg_id, referrer_tg_id, 1 AS level 
+            FROM referrals 
+            WHERE referrer_tg_id = :referrer_tg_id
+            UNION
+            SELECT r.referred_tg_id, r.referrer_tg_id, rl.level + 1
+            FROM referrals r
+            JOIN referral_levels rl ON r.referrer_tg_id = rl.referred_tg_id
+            WHERE rl.level < :max_levels
+        )
+        SELECT level, 
+               COUNT(*) AS level_count, 
+               COUNT(CASE WHEN reward_issued THEN 1 END) AS active_level_count
+        FROM referral_levels rl
+        JOIN referrals r ON rl.referred_tg_id = r.referred_tg_id
+        GROUP BY level
+        ORDER BY level
+    """
+    result = await session.execute(
+        text(query), {"referrer_tg_id": referrer_tg_id, "max_levels": max_levels}
+    )
+    return {
+        row["level"]: {
+            "total": row["level_count"],
+            "active": row["active_level_count"],
+        }
+        for row in result.mappings()
+    }
+
+
+async def get_referral_stats(session: AsyncSession, referrer_tg_id: int):
+    try:
+        logger.info(
+            f"[ReferralStats] Получение статистики для пользователя {referrer_tg_id}"
+        )
+
+        total_referrals = await get_total_referrals(session, referrer_tg_id)
+        active_referrals = await get_active_referrals(session, referrer_tg_id)
+        max_levels = len(REFERRAL_BONUS_PERCENTAGES)
+        referrals_by_level = await get_referrals_by_level(
+            session, referrer_tg_id, max_levels
+        )
+        total_referral_bonus = await get_total_referral_bonus(
+            session, referrer_tg_id, max_levels
+        )
+
+        return {
+            "total_referrals": total_referrals,
+            "active_referrals": active_referrals,
+            "referrals_by_level": referrals_by_level,
+            "total_referral_bonus": total_referral_bonus,
+        }
+
+    except Exception as e:
+        logger.error(
+            f"[ReferralStats] Ошибка при получении статистики для пользователя {referrer_tg_id}: {e}"
+        )
+        raise
+
+
+async def get_user_referral_count(session: AsyncSession, tg_id: int) -> int:
+    result = await session.execute(
+        select(func.count())
+        .select_from(Referral)
+        .where(Referral.referrer_tg_id == tg_id)
+    )
+    return result.scalar_one() or 0
+
+
+async def get_referral_position(session: AsyncSession, referral_count: int) -> int:
+    subq = (
+        select(Referral.referrer_tg_id)
+        .group_by(Referral.referrer_tg_id)
+        .having(func.count() > referral_count)
+        .subquery()
+    )
+    query = select(func.count()).select_from(subq)
+    result = await session.execute(query)
+    count = result.scalar() or 0
+    return count + 1
+
+
+async def get_top_referrals(session: AsyncSession, limit: int = 5):
+    query = (
+        select(Referral.referrer_tg_id, func.count().label("referral_count"))
+        .group_by(Referral.referrer_tg_id)
+        .order_by(desc("referral_count"))
+        .limit(limit)
+    )
+    result = await session.execute(query)
+    return [
+        {"referrer_tg_id": row.referrer_tg_id, "referral_count": row.referral_count}
+        for row in result.all()
+    ]