Реализованы сервисы ВМ2 - проверка сообщений и синхронизация с Б24 (деплой еще без перевода в боевой режим)

codebase/services/bitrix-sync/app/domain.py

@@ -0,0 +1,106 @@
+from __future__ import annotations
+
+import hashlib
+import random
+import re
+from dataclasses import dataclass
+from datetime import UTC, datetime
+from enum import StrEnum
+from typing import Any
+
+PHONE_RE = re.compile(r"^\+7[0-9]{10}$")
+EMAIL_RE = re.compile(r"^[^@\s]+@[^@\s]+\.[^@\s]+$")
+
+
+class WorkflowState(StrEnum):
+    CREATED = "created"
+    RUNNING = "running"
+    WAITING_CRM = "waiting_crm"
+    WAITING_RETRY = "waiting_retry"
+    WAITING_MANUAL = "waiting_manual"
+    SUCCEEDED = "succeeded"
+    FAILED = "failed"
+    CANCELLED = "cancelled"
+
+
+TRANSITIONS: dict[WorkflowState, frozenset[WorkflowState]] = {
+    WorkflowState.CREATED: frozenset({WorkflowState.RUNNING, WorkflowState.CANCELLED}),
+    WorkflowState.RUNNING: frozenset(
+        {
+            WorkflowState.WAITING_CRM,
+            WorkflowState.WAITING_RETRY,
+            WorkflowState.WAITING_MANUAL,
+            WorkflowState.SUCCEEDED,
+            WorkflowState.FAILED,
+            WorkflowState.CANCELLED,
+        }
+    ),
+    WorkflowState.WAITING_CRM: frozenset(
+        {
+            WorkflowState.RUNNING,
+            WorkflowState.WAITING_RETRY,
+            WorkflowState.WAITING_MANUAL,
+            WorkflowState.FAILED,
+        }
+    ),
+    WorkflowState.WAITING_RETRY: frozenset(
+        {WorkflowState.RUNNING, WorkflowState.WAITING_MANUAL, WorkflowState.FAILED}
+    ),
+    WorkflowState.WAITING_MANUAL: frozenset(
+        {WorkflowState.RUNNING, WorkflowState.CANCELLED}
+    ),
+    WorkflowState.SUCCEEDED: frozenset(),
+    WorkflowState.FAILED: frozenset(),
+    WorkflowState.CANCELLED: frozenset(),
+}
+
+
+def assert_transition(current: WorkflowState, target: WorkflowState) -> None:
+    if target not in TRANSITIONS[current]:
+        raise ValueError(f"forbidden workflow transition {current} -> {target}")
+
+
+@dataclass(frozen=True)
+class ContactCandidate:
+    b24_id: str
+    created_at: datetime
+    crm_user_id: str | None
+
+
+def validate_phone(value: str) -> str:
+    if not PHONE_RE.fullmatch(value):
+        raise ValueError("phone must be Russian E.164 +7XXXXXXXXXX")
+    return value
+
+
+def choose_newest(candidates: list[ContactCandidate]) -> ContactCandidate | None:
+    if not candidates:
+        return None
+    return max(candidates, key=lambda item: (item.created_at, int(item.b24_id)))
+
+
+def select_email(items: list[dict[str, Any]]) -> str | None:
+    valid = [
+        item
+        for item in items
+        if isinstance(item.get("VALUE"), str) and EMAIL_RE.fullmatch(item["VALUE"])
+    ]
+    work = next((item for item in valid if item.get("VALUE_TYPE") == "WORK"), None)
+    selected = work or (valid[0] if valid else None)
+    return selected["VALUE"] if selected else None
+
+
+def safe_hash(value: str | None) -> str | None:
+    return hashlib.sha256(value.encode()).hexdigest() if value is not None else None
+
+
+def full_jitter_delay(
+    attempt: int, base: float, maximum: float, *, rng: random.Random | None = None
+) -> float:
+    ceiling = min(maximum, base * (2 ** max(0, attempt - 1)))
+    return (rng or random.SystemRandom()).uniform(0, ceiling)
+
+
+def parse_crm_datetime(value: str) -> datetime:
+    parsed = datetime.fromisoformat(value.replace("Z", "+00:00"))
+    return parsed.astimezone(UTC)