konstantina.galouni c00ee7b7dd 1. subscribe.component: disable subscribe/unsubscribe button when already pushed | add notification when subscribe/unsubscribe fails. ... 2. subscribe.service: return null in 'isSubscribedToCommunity' function if request fails. git-svn-id: https://svn.driver.research-infrastructures.eu/driver/dnet40/modules/uoa-services-library/trunk/ng-openaire-library/src/app@53349 d315682c-612b-4755-9ff5-7f18f6832af3		2018-10-01 12:46:21 +00:00
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subscribe.service.ts	1. subscribe.component: disable subscribe/unsubscribe button when already pushed | add notification when subscribe/unsubscribe fails.	2018-10-01 12:46:21 +00:00