Add database functions

app/data/db.py

@@ -0,0 +1,36 @@
+from sqlalchemy import create_engine, Text
+import pandas as pd
+from dotenv import load_dotenv
+from pathlib import Path
+from urllib.parse import quote
+import os
+import logging
+
+
+env_path = Path("config/settings.env")
+load_dotenv(env_path)
+
+oracle_conn_str = os.getenv("oracle_conn_str")
+co_dw_conn_str = os.getenv("co_dw_conn_str")
+co_daten_conn_str = os.getenv("co_daten_conn_str")
+
+def get_conn(db):
+    match db:
+        case "oracle":
+            engine = create_engine(oracle_conn_str)
+        case "co_dw":
+            engine = create_engine(co_dw_conn_str)
+        case "co_daten":
+            engine = create_engine(co_dw_conn_str)
+        case _:
+            logging.info(f"Datenbank {db} konnte nicht gefunden werden")
+    return engine
+
+# def get_data(db):
+#     engine = get_conn(db)
+#     with engine.connect() as conn:
+#         print(engine)
+#         return
+
+# if __name__ == "__main__":
+#     get_data("co_daten")

app/data/scriptloader.py

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+from pathlib import Path
+
+def get_sql(filename):
+    sql_query = Path(f"app/data/sql/{filename}.sql").read_text()
+    return sql_query
+
+
+
+if __name__ == "__main__":
+    print(get_sql("sales_umsatz"))

app/data/sql/co_kostenobjekte.sql

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+select * from bi.Dim_Kostenobjekt

app/data/sql/sales_umsatz.sql

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+select * from umsatz