Ë Énjëãó”—dZddlZddlmZddlmZddlmZddlm Z m Z eje «Z ddlmZeee ¬ «d „«Zy) aM Django signals for the accounting app. Auto-creates a Receipt (with PDF) whenever an AccountTransaction is saved for the first time. Failure policy -------------- - Receipt *row* creation (number generation + DB insert): NOT caught here. Any error propagates and rolls back the enclosing transaction save. A transaction without a receipt number is unacceptable. - PDF generation: caught and logged (non-fatal). The PDF is regenerated on demand the first time someone hits the download endpoint, so a transient reportlab error should not prevent the transaction being recorded. éN)Ú post_save)Úreceiver)Ú ContentFileé)ÚAccountTransactionÚReceipt)Ú post_delete)Úsenderc ód—|jr$ddlm}||j|j«yy)zƒ Recalculates a member's financial rollups if an AccountTransaction is hard deleted (e.g. from tests or Django Admin). r)Úrecalculate_member_financialsN)ÚmemberÚutilsr Útransaction_date)r ÚinstanceÚkwargsr s úrsNðñó å.Ý$Ý.ç/à ˆ× Ñ ˜8Ó $€õ1á ˆ+Ð0Ô1ñRó2ñRr