{"action":"closed","issue":{"url":"https://api.github.com/repos/Book4U-ECSE428/backend/issues/36","repository_url":"https://api.github.com/repos/Book4U-ECSE428/backend","labels_url":"https://api.github.com/repos/Book4U-ECSE428/backend/issues/36/labels{/name}","comments_url":"https://api.github.com/repos/Book4U-ECSE428/backend/issues/36/comments","events_url":"https://api.github.com/repos/Book4U-ECSE428/backend/issues/36/events","html_url":"https://github.com/Book4U-ECSE428/backend/issues/36","id":299599351,"number":36,"title":"book cover link","user":{"login":"1351530910","id":24920242,"avatar_url":"https://avatars2.githubusercontent.com/u/24920242?v=4","gravatar_id":"","url":"https://api.github.com/users/1351530910","html_url":"https://github.com/1351530910","followers_url":"https://api.github.com/users/1351530910/followers","following_url":"https://api.github.com/users/1351530910/following{/other_user}","gists_url":"https://api.github.com/users/1351530910/gists{/gist_id}","starred_url":"https://api.github.com/users/1351530910/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/1351530910/subscriptions","organizations_url":"https://api.github.com/users/1351530910/orgs","repos_url":"https://api.github.com/users/1351530910/repos","events_url":"https://api.github.com/users/1351530910/events{/privacy}","received_events_url":"https://api.github.com/users/1351530910/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-02-23T05:00:27Z","updated_at":"2018-03-16T21:22:32Z","closed_at":"2018-03-16T21:22:32Z","author_association":"CONTRIBUTOR","body":"There should be an implementation for checking whether an image url is valid or not. \r\n- check null url (if the link actually exist)\r\n- check for file extension(.jpg,.png, etc)\r\n- check for uniqueness (no 2 links for one cover)"}}
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