REST API for Getting Total Published IGSN Number

[lulin-song]

The total number of published IGSN is needed for pagination.

[lulin-song]

• /v1/igsns/publishedtoal is implemented.

[ramdeensarah]

Test successful
Check shows results of "4332447". Compared to the database (SESAR Test) where the samples are not restricted and are not archived. The counts match.

Code used
select count (igsn) from sample where publish_date<'2020-06-02' and archive_date is null;