Update the permission check of add/delete item's categories and tags

[yiyione]

Add or delete item's tag/category will require item's write permission.

Only admin can set category official example.
Only admin have write permission to the official example items.

[hippogr]

}

it is almost the same logic as checkReadPermission, try to merge them?

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Refers to: rest_server/src/controllers/item_controller.js:52 in a8ef127. [](commit_id = a8ef127, deletion_comment = False)

[hippogr]

}

I mean we can abstract them out into one subfunction

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In reply to: 859187634

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Refers to: rest_server/src/controllers/item_controller.js:52 in a8ef127. [](commit_id = a8ef127, deletion_comment = False)

[yiyione]

}

it is almost the same logic as checkReadPermission, try to merge them?

Refers to: rest_server/src/controllers/item_controller.js:52 in a8ef127. [](commit_id = a8ef127, deletion_comment = False)

Merged, call checkWritePermission inside function checkReadPermission to remove the duplicate code.

[hippogr]