models for task & task work

src/extensions/tasks.py

@@ -20,6 +20,7 @@ from discord.ext import commands, tasks
 from discord.errors import Forbidden
 from feedparser import parse
 
+import models
 from feed import RSSFeed, Subscription, RSSItem, GuildSettings
 from utils import get_unparsed_feed
 from filters import match_text
@@ -48,9 +49,14 @@ class TaskCog(commands.Cog):
     api: API | None = None
     content_queue = deque()
 
+    api_base_url: str
+    api_headers: dict
+
     def __init__(self, bot):
         super().__init__()
         self.bot = bot
+        self.api_base_url = "http://localhost:8000/api/"
+        self.api_headers = {"Authorization": f"Token {self.bot.api_token}"}
 
     @commands.Cog.listener()
     async def on_ready(self):
@@ -91,15 +97,9 @@ class TaskCog(commands.Cog):
         log.info("Running task")
         start_time = perf_counter()
 
-        client_options = {
-            "base_url": "http://localhost:8000/api/",
-            "headers": {"Authorization": f"Token {self.bot.api_token}"}
-        }
-
-        async with httpx.AsyncClient(**client_options) as client:
+        async with httpx.AsyncClient() as client:
             servers = await self.get_servers(client)
-            for server in servers:
-                await self.process_server(server, client)
+            await self.process_servers(servers, client)
 
         end_time = perf_counter()
         log.debug(f"completed task in {end_time - start_time:.4f} seconds")
@@ -108,7 +108,11 @@ class TaskCog(commands.Cog):
 
         for page_number, _ in enumerate(iterable=iter(int, 1), start=1):
             params.update({"page": page_number})
-            response = await client.get(url, params=params)
+            response = await client.get(
+                self.api_base_url + url,
+                headers=self.api_headers,
+                params=params
+            )
             response.raise_for_status()
             content = response.json()
 
@@ -117,37 +121,61 @@ class TaskCog(commands.Cog):
             if not content.get("next"):
                 break
 
-    async def get_servers(self, client: httpx.AsyncClient) -> list[dict]:
+    async def get_servers(self, client: httpx.AsyncClient) -> list[models.Server]:
         servers = []
 
         async for servers_batch in self.iterate_pages(client, "servers/"):
             if servers_batch:
                 servers.extend(servers_batch)
 
-        return servers
+        return models.Server.from_list(servers)
 
-    async def get_subscriptions(self, server: dict, client: httpx.AsyncClient) -> list[dict]:
+    async def get_subscriptions(self, server: models.Server, client: httpx.AsyncClient) -> list[models.Subscription]:
         subscriptions = []
-        params = {"server": server.get("id")}
+        params = {"server": server.id}
 
         async for subscriptions_batch in self.iterate_pages(client, "subscriptions/", params):
             if subscriptions_batch:
                 subscriptions.extend(subscriptions_batch)
 
-        return subscriptions
+        return models.Subscription.from_list(subscriptions)
 
-    async def process_server(self, server: dict, client: httpx.AsyncClient):
-        log.debug(json.dumps(server, indent=4))
+    async def process_servers(self, servers: list[models.Server], client: httpx.AsyncClient):
+
+        semaphore = asyncio.Semaphore(10)
+
+        async def batch_process(server: models.Server, client: httpx.AsyncClient):
+            async with semaphore: await self.process_server(server, client)
+
+        tasks = [batch_process(server, client) for server in servers if server.active]
+        await asyncio.gather(*tasks)
+
+    async def process_server(self, server: models.Server, client: httpx.AsyncClient):
+        log.debug(f"processing server: {server.name}")
 
         subscriptions = await self.get_subscriptions(server, client)
         for subscription in subscriptions:
-            await self.process_subscription(subscription, client)
+            subscription.server = server
+
+        semaphore = asyncio.Semaphore(10)
+
+        async def batch_process(subscription: models.Subscription, client: httpx.AsyncClient):
+            async with semaphore: await self.process_subscription(subscription, client)
+
+        tasks = [
+            batch_process(subscription, client)
+            for subscription in subscriptions
+            if subscription.active
+        ]
+        await asyncio.gather(*tasks)
+
+    async def process_subscription(self, subscription: models.Subscription, client: httpx.AsyncClient):
+        log.debug(f"processing subscription {subscription.name}")
+
+        content = await client.get(subscription.url)
+        log.debug(content)
 
-    async def process_subscription(self, subscription: dict, client: httpx.AsyncClient):
-        log.debug(json.dumps(subscription, indent=4))
 
-        for content_filter in subscription.get("filters_detail"):
-            pass
 
 
 

src/models.py

@@ -0,0 +1,193 @@
+import logging
+from enum import Enum
+from datetime import datetime
+
+from abc import ABC, abstractmethod
+from dataclasses import dataclass
+
+log = logging.getLogger(__name__)
+
+
+@dataclass
+class DjangoDataModel(ABC):
+
+    @staticmethod
+    @abstractmethod
+    def parser(item: dict) -> dict:
+        return item
+
+    @classmethod
+    def from_list(cls, data: list[dict]) -> list:
+        return [cls(**cls.parser(item)) for item in data]
+
+    @classmethod
+    def from_dict(cls, data: dict):
+        return cls(**cls.parser(data))
+
+
+@dataclass(slots=True)
+class Server(DjangoDataModel):
+    id: int
+    name: str
+    icon_hash: str
+    is_bot_operational: bool
+    active: bool
+
+    @staticmethod
+    def parser(item: dict) -> dict:
+        item["id"] = int(item.pop("id"))
+        return item
+
+
+class MatchingAlgorithm(Enum):
+    MATCH_NONE = 0
+    MATCH_ANY = 1
+    MATCH_ALL = 2
+    MATCH_LITERAL = 3
+    MATCH_REGEX = 4
+    MATCH_FUZZY = 5
+    MATCH_AUTO = 6
+
+    @classmethod
+    def from_value(cls, value: int):
+        for member in cls:
+            if member.value == value:
+                return member
+
+        raise ValueError(f"No {self.__class__.__name__} for value: {value}")
+        
+
+
+@dataclass(slots=True)
+class ContentFilter(DjangoDataModel):
+    id: int
+    server_id: int
+    name: str
+    matching_pattern: str
+    matching_algorithm: MatchingAlgorithm
+    is_insensitive: bool
+    is_whitelist: bool
+
+    @staticmethod
+    def parser(item: dict) -> dict:
+        item["id"] = item.pop("id")
+        item["server_id"] = item.pop("server")
+        item["matching_pattern"] = item.pop("match")
+        item["matching_algorithm"] = MatchingAlgorithm.from_value(item.pop("matching_algorithm"))
+        return item
+
+
+@dataclass(slots=True)
+class MessageMutator(DjangoDataModel):
+    id: int
+    name: str
+    value: str
+
+    @staticmethod
+    def parser(item: dict) -> dict:
+        item["id"] = item.pop("id")
+        return item
+
+@dataclass(slots=True)
+class MessageStyle(DjangoDataModel):
+    id: int
+    server_id: int
+    name: str
+    colour: str
+    is_embed: bool
+    is_hyperlinked: bool
+    show_author: bool
+    show_timestamp: bool
+    show_images: bool
+    fetch_images: bool
+    title_mutator: dict | None
+    description_mutator: dict | None
+    auto_created: bool
+
+    @staticmethod
+    def parser(item: dict) -> dict:
+        item["id"] = int(item.pop("id"))
+        item["server_id"] = int(item.pop("server"))
+        item["title_mutator"] = item.pop("title_mutator_detail")
+        item["description_mutator"] = item.pop("description_mutator_detail")
+        return item
+
+
+@dataclass(slots=True)
+class UniqueContentRule(DjangoDataModel):
+    id: int
+    name: str
+    value: str
+
+    @staticmethod
+    def parser(item: dict) -> dict:
+        item["id"] = int(item.pop("id"))
+        return item
+
+
+@dataclass(slots=True)
+class DiscordChannel(DjangoDataModel):
+    id: int
+    name: str
+    is_nsfw: bool
+
+    @staticmethod
+    def parser(item: dict) -> dict:
+        item["id"] = int(item.pop("id"))
+        return item
+
+
+@dataclass(slots=True)
+class Subscription(DjangoDataModel):
+    id: int
+    server_id: int
+    name: str
+    url: str
+    created_at: datetime
+    updated_at: datetime
+    extra_notes: str
+    active: bool
+    publish_threshold: datetime
+    channels: list[DiscordChannel]
+    filters: list[ContentFilter]
+    message_style: MessageStyle
+    unique_rules: UniqueContentRule
+    _server: Server | None = None
+
+    @staticmethod
+    def parser(item: dict) -> dict:
+        item["id"] = int(item.pop("id"))
+        item["server_id"] = int(item.pop("server"))
+        item["created_at"] = datetime.strptime(item.pop("created_at"), "%Y-%m-%dT%H:%M:%S.%f%z")
+        item["updated_at"] = datetime.strptime(item.pop("updated_at"), "%Y-%m-%dT%H:%M:%S.%f%z")
+        item["publish_threshold"] = datetime.strptime(item.pop("publish_threshold"), "%Y-%m-%dT%H:%M:%S%z")
+        item["channels"] = DiscordChannel.from_list(item.pop("channels_detail"))
+        item["filters"] = ContentFilter.from_list(item.pop("filters_detail"))
+        item["message_style"] = MessageStyle.from_dict(item.pop("message_style_detail"))
+        item["unique_rules"] = UniqueContentRule.from_list(item.pop("unique_rules_detail"))
+        return item
+
+    @property
+    def server(self) -> Server:
+        return self._server
+
+    @server.setter
+    def server(self, server: server):
+        self._server = server
+
+
+@dataclass(slots=True)
+class Content(DjangoDataModel):
+    id: int
+    subscription_id: int
+    item_id: str
+    item_guid: str
+    item_url: str
+    item_title: str
+    item_content_hash: str
+
+    @staticmethod
+    def parser(item: dict) -> dict:
+        item["id"] = item.pop("id")
+        item["server_id"] = item.pop("server")
+        return item