move parsing logic

apps/vinyl/src/plato/parse.py

@@ -0,0 +1,21 @@
+import polars as pl
+
+
+def parse(df: pl.LazyFrame) -> pl.LazyFrame:
+    """Parse the Sounds DataFrame."""
+    ic()
+    return pl.sql(
+        """
+        SELECT source,
+               CAST(date AS DATE) AS date,
+            ean AS id,
+            _artist AS artist,
+            LOWER(title) AS title,
+            CAST(_date AS DATE) AS release,
+            CAST(_price AS FLOAT) AS price,
+            CONCAT('https://www.platomania.nl', url) AS url
+        FROM df
+            QUALIFY ROW_NUMBER() OVER (PARTITION BY source, id, artist, title, price ORDER BY date DESC) = 1
+        ORDER BY date ASC
+        """
+    )