bsw@1619: function toggleInterest(issueId) {
bsw@1619:   var linkEl = document.getElementById("issue_" + issueId + "_interest_link");
bsw@1619:   var iconEl = document.getElementById("issue_" + issueId + "_interest_icon");
bsw@1618:   var interested = iconEl.innerHTML == "star_outline";
bsw@1619: 
bsw@1619:   if (interested) {
bsw@1619:     linkEl.classList.add("mdl-button--accent");
bsw@1619:     linkEl.classList.add("mdl-button--feature-on");
bsw@1619:     linkEl.classList.remove("mdl-button--feature-off");
bsw@1619:     iconEl.innerHTML = "star";
bsw@1619:   } else {
bsw@1619:     linkEl.classList.remove("mdl-button--accent");
bsw@1619:     linkEl.classList.remove("mdl-button--feature-on");
bsw@1619:     linkEl.classList.add("mdl-button--feature-off");
bsw@1619:     iconEl.innerHTML = "star_outline";
bsw@1619:   }
bsw@1618:   
bsw@1618:   var data = new FormData();
bsw@1619:   data.append("issue_id", issueId);
bsw@1618:   data.append("interested", interested);
bsw@1618: 
bsw@1618:   fetch("/lf/interest/xhr_update", {
bsw@1618:       method : "POST",
bsw@1618:       body: data
bsw@1618:   }).then(
bsw@1618:       response => {
bsw@1619:         if (response.status != 200) {
bsw@1619:           window.alert("Error during update");
bsw@1618:         }
bsw@1618:       }
bsw@1618:   );
bsw@1618: 
bsw@1618: }
bsw@1618: