1 files changed, 44 insertions, 0 deletions
diff --git a/app/ConcatPlugin.py b/app/ConcatPlugin.py
new file mode 100644
index 0000000..14307ac
--- /dev/null
+++ b/app/ConcatPlugin.py
@@ -0,0 +1,44 @@
+from typing import Any
+
+from tinydb import Query
+from app.Item import Item
+from app.PluginInterface import PluginInterface
+from app.DatabaseManager import database_manager
+from app.utils import dict_to_item, item_to_dict
+
+# TODO
+
+
+class Plugin(PluginInterface):
+    def __init__(self, id: str, params: dict[str, Any]) -> None:
+        super().__init__(id, params)
+        print(f"[ConcatPlugin#{self.id}] initialized")
+
+    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")
+
+        Q = Query()
+        q_result = database_manager.plugin_states.search(Q.plugin_id == self.id)
+        if len(q_result) > 1:
+            raise Exception(
+                f"[ConcatPlugin#{self.id}] invalid database state, found more than 1 plugin state: {len(q_result)}"
+            )
+
+        d: Any = q_result[0] if len(q_result) == 1 else {}
+        data: dict[str, list[dict[str, str]]] = d
+
+        if source_id in data:
+            items_as_dicts = list(map(item_to_dict, items))
+            d[source_id] = items_as_dicts
+
+        aggregated_item_dicts: list[dict[str, str]] = []
+        for data_source_id in data:
+            item_dicts = data[data_source_id]
+            aggregated_item_dicts += item_dicts
+
+        ret = list(map(dict_to_item, aggregated_item_dicts))
+
+        print(f"[ConcatPlugin#{self.id}] process returning items, n={len(ret)}")
+        return ret