Reorganize project structure

checkaddy_app/lookup.py

@@ -0,0 +1,50 @@
+from __future__ import annotations
+
+from datetime import datetime, timezone
+
+from .api import ApiClient
+from .constants import DATA_SOURCE_BY_COIN, EXPLORER_URL_BY_COIN
+from .models import LookupResult
+from .validators import validate_address
+
+
+def build_lookup_result(client: ApiClient, coin: str, address: str) -> LookupResult:
+    explorer_url = EXPLORER_URL_BY_COIN[coin].format(address=address)
+    data_source = DATA_SOURCE_BY_COIN[coin]
+    is_valid, reason = validate_address(coin, address)
+
+    result = LookupResult(
+        coin=coin,
+        address=address,
+        is_valid_format=is_valid,
+        validation_reason=reason,
+        confirmed_balance=None,
+        unconfirmed_balance=None,
+        total_received=None,
+        total_sent=None,
+        tx_count=None,
+        explorer_url=explorer_url,
+        data_source=data_source,
+        fetched_at_utc=datetime.now(timezone.utc).isoformat(),
+        api_error=None,
+        api_skipped=False,
+    )
+
+    if not is_valid:
+        result.api_skipped = True
+        return result
+
+    try:
+        payload = client.fetch_coin_info(coin, address)
+    except RuntimeError as exc:
+        result.api_error = str(exc)
+        return result
+
+    if isinstance(payload.get("data_source"), str):
+        result.data_source = payload["data_source"]
+    result.confirmed_balance = payload["confirmed_balance"]
+    result.unconfirmed_balance = payload["unconfirmed_balance"]
+    result.total_received = payload["total_received"]
+    result.total_sent = payload["total_sent"]
+    result.tx_count = payload["tx_count"]
+    return result