39 lines
1.9 KiB
Markdown
39 lines
1.9 KiB
Markdown
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# Stock Reposting
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Stock "reposting" is process of re-processing Stock Ledger Entry and GL Entries
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in event of backdated stock transaction.
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*Backdated stock transaction*: Any stock transaction for which some
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item-warehouse combination has a future transactions.
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## Why is this required?
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Stock Ledger is stateful, it maintains queue, qty at any
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point in time. So if you do a backdated transaction all future values change,
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queues need to be re-evaluated etc. Watch Nabin and Rohit's conference
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presentation for explanation: https://www.youtube.com/watch?v=mw3WAnekGIM
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## How is this implemented?
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Whenever backdated transaction is detected, instead of
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fully processing it while submitting, the processing is queued using "Repost
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Item Valuation" doctype. Every hour a scheduled job runs and processes this
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queue (for up to maximum of 25 minutes)
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## Queue implementation
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- "Repost item valuation" (RIV) is automatically submitted from backdated transactions. (check stock_controller.py)
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- Draft and cancelled RIV are ignored.
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- Keep filter of "submitted" documents when doing anything with RIVs.
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- The default status is "Queued".
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- When background job runs, it picks the oldest pending reposts and changes the status to "In Progress" and when it finishes it
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changes to "Completed"
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- There are two more status: "Failed" when reposting failed and "Skipped" when reposting is deemed not necessary so it's skipped.
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- technical detail: Entry point for whole process is "repost_entries" function in repost_item_valuation.py
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## How to identify broken stock data:
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There are 4 major reports for checking broken stock data:
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- Incorrect balance qty after the transaction - to check if the running total of qty isn't correct.
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- Incorrect stock value report - to check incorrect value books in accounts for stock transactions
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- Incorrect serial no valuation -specific to serial nos
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- Stock ledger invariant check - combined report for checking qty, running total, queue, balance value etc
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