Add printable barcode stickers for storage location objects#72
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Storage locations (facilities, positions, containers and samples containers) can now be printed as Code128 barcode stickers. A new 50x30mm sticker template encodes the location getId() with the id and title as human-readable text. An IGetStickerTemplates adapter offers the template for every storage location type. The storage listings expose a Print stickers action (reusing the generic workflow_action print_stickers redirect), and each storage location type gains a Stickers preview object action so the sticker can be printed from the object view. An upgrade step reimports the type actions on existing installs. The barcode payload matches the id the scanner reads back when looking up a storage location.
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Description of the issue/feature this PR addresses
Storage location objects (facilities, positions, containers and samples containers) could not be printed as barcode labels. This PR adds a printable Code128 sticker for storage locations and exposes a "Print stickers" action on the storage listings.
Current behavior before PR
There is no way to print a barcode label for a storage location. The
@@stickerview has no template for storage objects.Desired behavior after PR is merged
StorageLocation_50x30mmsticker template renders a Code128 barcode of the locationgetId(), with the id and the breadcrumb full title as human-readable text. It is registered via<plone:static type="stickers" name="senaite.storage">, so its template id issenaite.storage:StorageLocation_50x30mm.pt.GetStorageStickersadapter providesIGetStickerTemplatesforIStorageFacility,IStoragePosition,IStorageContainerandIStorageSamplesContainer, so the storage location template is the one offered for those types.StorageListing.before_render) gain a "Print stickers" action in every review state. It reuses the existing genericworkflow_action?action=print_stickersredirect, so no new workflow-action code is needed.The barcode payload is the storage object id, which is the same value a barcode scanner reads back when looking up a storage location.
Pairs with senaite/senaite.core#2974: without that fix, storage listings (which had no sticker adapter before this PR) would fall back to offering the entire sticker catalog. With the adapter added here, the storage template is the only one offered regardless.
Covered by a new
Stickers.rstdoctest (adapter resolution,@@stickerrendering, and the listing action).