Initial commit

folkugat_web/dal/sql/temes/_conversion.py

@@ -0,0 +1,38 @@
+import datetime
+import json
+
+from folkugat_web.model import temes as model
+
+
+def tema_to_row(tema: model.Tema) -> dict:
+    return {
+        'id': tema.id,
+        'title': tema.title,
+        'properties': json.dumps(list(map(lambda p: p.to_dict(), tema.properties))),
+        'links': json.dumps(list(map(lambda l: l.to_dict(), tema.links))),
+        'lyrics': json.dumps(list(map(lambda l: l.to_dict(), tema.lyrics))),
+        'alternatives': json.dumps(tema.alternatives),
+        'ngrams': json.dumps(tema.ngrams),
+        'modification_date': tema.modification_date.isoformat(),
+        'creation_date': tema.creation_date.isoformat(),
+        'hidden': 1 if tema.hidden else 0,
+    }
+
+
+def cell_to_ngrams(cell: str) -> model.NGrams:
+    return {int(n): ngrams_ for n, ngrams_ in json.loads(cell).items()}
+
+
+def row_to_tema(row: tuple) -> model.Tema:
+    return model.Tema(
+        id=row[0],
+        title=row[1],
+        properties=list(map(model.Property.from_dict, json.loads(row[2]))),
+        links=list(map(model.Link.from_dict, json.loads(row[3]))),
+        lyrics=list(map(model.Lyrics.from_dict, json.loads(row[4]))),
+        alternatives=json.loads(row[5]),
+        ngrams=cell_to_ngrams(row[6]),
+        modification_date=datetime.datetime.fromisoformat(row[7]),
+        creation_date=datetime.datetime.fromisoformat(row[8]),
+        hidden=bool(row[9]),
+    )