[raw/slack] Handle fields in 'data.file'

[zhquan]

This code allows handling the fields in data.file to avoid the error Failed to insert data to ES

Signed-off-by: Quan Zhou quan@bitergia.com

[coveralls]

Pull Request Test Coverage Report for Build 2655623808

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.07%) to 82.32%

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Totals
Change from base Build 2655456879:	-0.07%
Covered Lines:	8837
Relevant Lines:	10735

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💛 - Coveralls

[jjmerchante]

LGTM