RSS → ntfy bridge with modern web UI

Features: feed CRUD, per-feed ntfy target (incl. private servers),
Telegram/webhook channels, keyword filters, image attachments,
per-feed intervals, OPML import/export, notification history & stats,
users with roles, admin alerts, RU/EN i18n, light/dark theme,
notification preview, history search, activity chart. Dockerized.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

app/schemas.py

@@ -0,0 +1,110 @@
+"""Pydantic request/response schemas for the JSON API."""
+from __future__ import annotations
+
+from typing import Optional
+
+from pydantic import BaseModel, field_validator
+
+
+class FeedIn(BaseModel):
+    url: str
+    title: str = ""
+    ntfy_server: str = ""
+    ntfy_topic: str = ""
+    ntfy_token: str = ""
+    ntfy_username: str = ""
+    ntfy_password: str = ""
+    priority: int = 3
+    tags: str = ""
+    attach_image: bool = True
+    to_telegram: bool = False
+    to_webhook: bool = False
+    filter_include: str = ""
+    filter_exclude: str = ""
+    interval: int = 0
+    enabled: bool = True
+
+    @field_validator("url")
+    @classmethod
+    def _url_required(cls, v: str) -> str:
+        v = v.strip()
+        if not v:
+            raise ValueError("URL ленты обязателен")
+        if not v.startswith(("http://", "https://")):
+            raise ValueError("URL должен начинаться с http:// или https://")
+        return v
+
+    @field_validator("priority")
+    @classmethod
+    def _priority_range(cls, v: int) -> int:
+        return min(5, max(1, v))
+
+    @field_validator("interval")
+    @classmethod
+    def _interval_nonneg(cls, v: int) -> int:
+        return max(0, v)
+
+
+class SettingsIn(BaseModel):
+    default_ntfy_server: str = "https://ntfy.sh"
+    check_interval: int = 5
+    auth_enabled: bool = False
+    # Telegram
+    telegram_enabled: bool = False
+    telegram_token: str = ""
+    telegram_chat_id: str = ""
+    # Webhook
+    webhook_enabled: bool = False
+    webhook_url: str = ""
+    # Admin alerts
+    alerts_enabled: bool = False
+    alert_topic: str = ""
+    alert_threshold: int = 3
+
+    @field_validator("check_interval")
+    @classmethod
+    def _interval_min(cls, v: int) -> int:
+        return max(1, v)
+
+    @field_validator("alert_threshold")
+    @classmethod
+    def _threshold_min(cls, v: int) -> int:
+        return max(1, v)
+
+
+class TestIn(BaseModel):
+    server: str = ""
+    topic: str
+
+
+class PreviewIn(BaseModel):
+    url: str
+    filter_include: str = ""
+    filter_exclude: str = ""
+
+    @field_validator("url")
+    @classmethod
+    def _url_required(cls, v: str) -> str:
+        v = v.strip()
+        if not v.startswith(("http://", "https://")):
+            raise ValueError("URL должен начинаться с http:// или https://")
+        return v
+
+
+class UserIn(BaseModel):
+    username: str
+    password: str = ""  # empty on edit = keep existing
+    role: str = "admin"
+
+    @field_validator("username")
+    @classmethod
+    def _username_required(cls, v: str) -> str:
+        v = v.strip()
+        if not v:
+            raise ValueError("Логин обязателен")
+        return v
+
+    @field_validator("role")
+    @classmethod
+    def _role_valid(cls, v: str) -> str:
+        return v if v in ("admin", "viewer") else "viewer"