[jira] Assigned: (OFBIZ-1242) MRP days to ship and inventory event planned dates issues

["Si Chen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OFBIZ-1242?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Si Chen reassigned OFBIZ-1242:
------------------------------

    Assignee: Si Chen

> MRP days to ship and inventory event planned dates issues
> ---------------------------------------------------------
>
>                 Key: OFBIZ-1242
>                 URL: https://issues.apache.org/jira/browse/OFBIZ-1242
>             Project: OFBiz
>          Issue Type: Bug
>            Reporter: Si Chen
>            Assignee: Si Chen
>
> I noticed a couple of interesting issues with the MRP algorithm:
> It was using ProductFacility.daysToShip to create a buffer time for requirements, but it was doing it for all requirements, so even manufactured parts were having this buffer time added.  I fixed it in 575413 by limiting days to ship to only sales order related requirements.  However, I believe that daysToShip should be eliminated altogether in MRP, because I think this field should be used as an average value for customer-related "how long it takes to ship this order."  The actual time to manufacture or order and receive an item may vary, depend on the priority of the order, etc.  If a buffer process is required, it should be added for example as a manufacturing routing task.
> The other issue is that MRP will create inventory events in the past (ie, before the time when it's run.)  I think we should limit it so that inventory events created should be now or in the future.
> If there are no comments to the contrary I will make these changes and commit them.

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