This reverts commit e372f3ce6f.
The previous attempt was broken because
EchoTargetPageMapper::fetchByUserPageId() returns a list of
EchoTargetPage objects, not a single one.
Bug: T117531
Change-Id: Id02a025e3736a7b92d9d6fb8adf29ef674f8e2fa
We calculate how many messages and alerts are being marked as read, and
subtract them from the count since the database and caches won't be
updated until the end of the request.
For performance, we also get the event_type while doing the
EchoTargetPage lookup query to avoid having to query it individually
later on.
Bug: T117531
Change-Id: I0d9302adf1b4b07a4ff26a04b00d4498aa3fe7ee
This will be used for marking a notificaiton as read when
a user visits a target page. The new table should keep the
volume as low as possible for fast data loopup. records
should be removed from the table once it's marked as read.
Change-Id: I605cbc79adfc12d22bd889c5bb513d05c479fe6e
