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from typing import Any
import time
from tinydb import Query
from app.Item import Item
from app.PluginInterface import Params, PluginInterface
from app.DatabaseManager import database_manager
from app.utils import ItemDict, dict_to_item, item_to_dict
class Plugin(PluginInterface):
def __init__(self, id: str, params: Params) -> None:
super().__init__(id, params)
print(f"[ConcatPlugin#{self.id}] initialized")
def item_sort_key(self, item: Item) -> time.struct_time:
if item.pub_date is None:
return time.localtime()
return item.pub_date
def process(self, source_id: str | None, items: list[Item]) -> list[Item]:
print(f"[ConcatPlugin#{self.id}] process called, n={len(items)}")
if source_id is None:
raise Exception(f"[ConcatPlugin#{self.id}] can not be scheduled")
plugin_state_q = Query().plugin_id == self.id
_d: Any = database_manager.plugin_states.get(plugin_state_q) # type: ignore
data: dict[str, Any] = (
_d if _d is not None else {"plugin_id": self.id, "state": {}}
)
state = data["state"]
items_as_dicts = list(map(item_to_dict, items))
state[source_id] = items_as_dicts
database_manager.plugin_states.upsert( # type: ignore
{"plugin_id": self.id, "state": state}, plugin_state_q
)
aggregated_item_dicts: list[ItemDict] = []
for data_source_id in state:
item_dicts = state[data_source_id]
aggregated_item_dicts += item_dicts
ret_items = list(map(dict_to_item, aggregated_item_dicts))
ret = sorted(ret_items, key=self.item_sort_key)
print(f"[ConcatPlugin#{self.id}] process returning items, n={len(ret)}")
return ret
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