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JIRA serverId 01505d01-b853-3c2e-90f1-ee9b165564fc key UXPROD-2741

1. Create MARC Bib, create Instance and Multiple Holdings, Items

Description

Save MARC_BIB + create Instance + create multiple Holdings, Items.

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NB: Save MARC_BIB action is implicit and is executed prior to all other actions specified in the profile.

Flow

1. [1-4] UploadDefinition is created for importing files in mod-data-import
2. [2-3] JobExecution is created in mod-srm
3. [5-7] MARC files are uploaded from WEB client to mod-data-import
4. [6] Uploaded file is stored in memory of mod-data-import
5. [8-9] User selects the JobProfile and initiates the processing of the uploaded files
6. [10-11] Profile ID is set for JobExecution
7. [12] MARC records are packed into batches and put to Kafka queue DI_RAW_RECORDS_CHUNK_READ
   
8. [13-15] mod-srm reads batches from the queue, parses MARC records and passes to mod-srs via Kafka queue DI_RAW_RECORDS_CHUNK_PARSED. JobExecution is set to IN_PROGRESS status on first chunk received.
9. [16-17] mod-srs stores records into PostgreSQL database and returns the result back via Kafka queue (broken records are also stored as 'error record') - DI_PARSED_RECORDS_CHUNK_SAVED
10. [18-19] mod-srm reads the profile and creates JSON payload (containing parsed MARC) for processing. Exports it to an appropriate Kafka queue (one message per MARC entry) - DI_SRS_MARC_BIB_RECORD_CREATED
11. [20-22] mod-inventory reads the message, creates Instance. Stores (via OKAPI HTTP) in mod-inventory-storage. At this point Instance UUID and Instance HRID are generated. Exports message DI_INVENTORY_INSTANCE_CREATED_READY_FOR_POST_PROCESSING
    
12. [25-30] The post-processing stage: mod-srs reads message and updates according entry (Instance HRID is set to '001' MARC_BIB field, the value from '001' + '003' is moved to '035', Instance ID is set to '999 ff i' field). Creates new messages with updated payload DI_SRS_MARC_BIB_INSTANCE_HRID_SET. mod-inventory reads message from DI_SRS_MARC_BIB_INSTANCE_HRID_SET and updates Instance with updated identifiers fields - no new messages are sent at this point.
13. [31] At the same time as in step [27] mod-srs sends DI_INVENTORY_INSTANCE_CREATED event
14. [32-34] mod-inventory reads the message from DI_INVENTORY_INSTANCE_CREATED, maps (multiple if there is data for multiple Holdings supplied in the MARC record) and creates Holdings. For each permanent location found in the specified field there will be one Holdings created. Stores (via OKAPI HTTP) in mod-inventory-storage. Exports message to DI_INVENTORY_HOLDING_CREATED
15. [37-40] mod-inventory reads the message from DI_INVENTORY_HOLDING_CREATED, maps and creates multiple Items. Stores (via OKAPI HTTP) in mod-inventory-storage. Exports message to DI_INVENTORY_ITEM_CREATED
16. [43-44] mod-inventory reads message and exports to DI_COMPLETED
17. [44-45] mod-srm receives DI_COMPLETED event, marks JobExecution as COMPLETED

Diagram

Source

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All mapped entities (Holdings or Items) are created at the same stage - Create Holdings or Create Items respectively. Event payload for DI_INVENTORY_HOLDING_CREATED, DI_INVENTORY_ITEM_CREATED, DI_COMPLETED may contain lists of Holdings/Items in the context that were successfully created at this stage of processing the profile. If at least one of the mapped entities was successfully created, DI process continues, therefore a "success" event is published. For entities that failed to be created - an error message is added to the list of error messages in the payload context of mentioned above events. If none of the mapped entities was created - DI_ERROR event is published to stop further processing of the profile. 

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1. All mapped Holdings from a specific MARC Bib are created on the stage of creating Holdings [32-37], all mapped Items are created on the stage of creating Items [38-43] and each should be associated with a corresponding Holdings. Different Mapping and Action profiles are used for creating Holdings and Items. When Holdings are mapped - a list of Holdings differentiating values (locations) need to be stored in the DataImportEventPayload and used at the stage of Item creation in mod-inventory to link Items to appropriate Holdings before saving in mod-inventory-storage.

2. Match on MARC Bib/Instance and update Multiple Holdings, Items

This flow might change when requirements are finalized. Poppy implementation supports the following flow

Description

Match MARC_BIB/Instance + sub-match on Holdings/Items + update Holdings/Items 

In case multiple Holdings and/or Items linked to one Instance, information for matching multiple Holdings and/or Items can be supplied in repeatable MARC fields and be used in sub-match section. For matched multiple Holdings/Items the same action will be applied. In case profile contains branching (different actions depending on the result of the match) the non-match branch will be followed only if nothing is matched. If at least one entity is matched - the match branch will be followed. Entities that were not matched among the multiple matches will be indicated in the DI log with No Action status.