[Kmymoney-devel] Review Request: Refactoring of matching a transaction-under-import

[Cristian Oneț]

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The patch looks really good, I still have to give it a try though until that I thought I'll publish these 'administrative' observations with the last one of them being: did you run astyle-kmymoney.sh (in the source tree, needs astyle 1.23 and nromalize from qt - search the mailinglist) before creating this patch?

I hope you don't find this too restraining, as I've said the patch is really nice we just need to it to match the current style. I'm just buying some time with this to get a chance to test it better ;).




kmymoney/converter/mymoneystatementreader.h
<http://git.reviewboard.kde.org/r/107137/#comment17253>

    Why were these header group markers removed?



kmymoney/converter/mymoneystatementreader.h
<http://git.reviewboard.kde.org/r/107137/#comment17254>

    Project includes should use quotes. I know that it works either way but it's nicer that way.



kmymoney/converter/mymoneystatementreader.cpp
<http://git.reviewboard.kde.org/r/107137/#comment17255>

    Same as above.



kmymoney/dialogs/existingtransactionmatchfinder.h
<http://git.reviewboard.kde.org/r/107137/#comment17256>

    Try to use the same style for new headers as the old one if possible. The KDE 'Krazy' Checker can help check if the headers have the proper license.


- Cristian Oneț


On Oct. 30, 2012, 5:42 p.m., Łukasz Maszczyński wrote:
> 
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> http://git.reviewboard.kde.org/r/107137/
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> 
> (Updated Oct. 30, 2012, 5:42 p.m.)
> 
> 
> Review request for KMymoney.
> 
> 
> Description
> -------
> 
> 1. please note that dependency on Boost is no longer optional (see changes in CMakeLists.txt)
> 
> 2. Architectural changes
>    Until now, the method MyMoneyStatementReader::processTransactionEntry() handled the whole process of importing a transaction - that is: handling the securities, matching and creating payees, and - at the very end of the method - adding the transaction to the ledger.
>    The last step (adding transaction to ledger) is the main target of this refactoring. Its algorithm was as follows:
>    1. find a matching transaction (either existing or scheduled) - using TransactionMatcher::findMatch()
>    2. If an "existing transaction match" is found - handle it (in the old code it's the block starting with a comment "// it matched a simple transaction. that's the easy case")
>    3. Else if a "scheduled transaction match" is found - handle it ("// a match has been found in a pending schedule"...)
> 
>    Code "mapping" is as follows:
>    - step 2 (above) is extracted to handleMatchingOfExistingTransaction()
>    - step 3 (above) is extracted to handleMatchingOfScheduledTransaction()
>    - TransactionMatcher::findMatch() is extracted to TransactionMatchFinder::findMatch() (note: there are two pure-virtual functions that are implemented in ExistingTransactionMatchFinder, ScheduledTransactionMatchFinder classes)
>    - TransactionMatcher::checkTransaction() is extracted to TransactionMatchFinder::findMatchingSplit()
> 
> 3. Memory management changes
>    Raw pointers are no longer used, as these are typically error-prone. Pointers were replaced either with object instances, or boost::optional is used if applicable (e.g. see members of TransactionMatchFinder class).
> 
> 4. dynamic_casts removed (were used on pointers returned by TransactionMatcher::findMatch(), no longer needed - see TransactionMatchFinder::getMatchedTransaction() and getMatchedSchedule() )
> 
> 5. variable/method names - I did my best to keep those meaningful: e.g. "importedTransaction" instead of "t")
> 
> 
> Diffs
> -----
> 
>   kmymoney/dialogs/transactionmatchfinder.cpp PRE-CREATION 
>   kmymoney/dialogs/transactionmatcher.cpp c380877 
>   kmymoney/dialogs/transactionmatchfinder.h PRE-CREATION 
>   CMakeLists.txt 93af070 
>   kmymoney/converter/mymoneystatementreader.h 758ff00 
>   kmymoney/converter/mymoneystatementreader.cpp 42c4841 
>   kmymoney/dialogs/CMakeLists.txt 9a8d782 
>   kmymoney/dialogs/existingtransactionmatchfinder.h PRE-CREATION 
>   kmymoney/dialogs/existingtransactionmatchfinder.cpp PRE-CREATION 
>   kmymoney/dialogs/scheduledtransactionmatchfinder.h PRE-CREATION 
>   kmymoney/dialogs/scheduledtransactionmatchfinder.cpp PRE-CREATION 
>   kmymoney/dialogs/transactionmatcher.h d09a4cd 
> 
> Diff: http://git.reviewboard.kde.org/r/107137/diff/
> 
> 
> Testing
> -------
> 
> make test
> 
> 
> Thanks,
> 
> Łukasz Maszczyński
> 
>

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