put doi inside the url and handle possible abscence of doi

index.html

@@ -25,12 +25,11 @@
 
 <script type="text/javascript">
 $(document).ready(function() {
-
+    var params = new URLSearchParams(document.location.search.substring(1));
+    var doi = params.get("DOI"); 
 	var client = new ICATClient();
-    client.connect("myDoiNumberForTest");	   					
-
+    client.connect(doi);
 });
-
 </script>
 
 </head>

min/doi-landing-page.min.js

-function ICATClient(){this.server="https://linfalcon.esrf.fr:8181",this.sessionId=null,this.connection={plugin:"simple",credentials:[{username:"root",password:"root"}]}}ICATClient.prototype.connect=function(s){var n=this;this.sessionId||$.ajax({url:this.server+"/icat/session",data:{json:JSON.stringify(this.connection)},type:"post",dataType:"json",success:function(e){n.sessionId=e.sessionId,n.getByDOI(s)},error:function(){alert("Sorry, there was a problem!")}})},ICATClient.prototype.getByDOI=function(s){var n="select inv from Investigation inv where inv.doi='"+s+"' INCLUDE inv.investigationInstruments invInstruments, inv.investigationUsers invUser, invUser.user, invInstruments.instrument";$.ajax({url:this.server+"/icat/entityManager",data:{sessionId:this.sessionId,server:this.server,query:n},type:"GET",dataType:"json",success:function(s){console.log(s),dust.render("esrf-landing-page",{investigation:s[0].Investigation,investigationUsers:s[0].Investigation.investigationUsers},function(s,n){$("#main").html(n)})},error:function(){alert("Sorry, error while processing the DOI request !")}})};
\ No newline at end of file
+function ICATClient(){this.server="https://linfalcon.esrf.fr:8181",this.sessionId=null,this.connection={plugin:"simple",credentials:[{username:"root",password:"root"}]}}ICATClient.prototype.connect=function(n){var s=this;this.sessionId||$.ajax({url:this.server+"/icat/session",data:{json:JSON.stringify(this.connection)},type:"post",dataType:"json",success:function(e){s.sessionId=e.sessionId,s.getByDOI(n)},error:function(){alert("Sorry, there was a problem!")}})},ICATClient.prototype.getByDOI=function(n){var s="select inv from Investigation inv where inv.doi='"+n+"' INCLUDE inv.investigationInstruments invInstruments, inv.investigationUsers invUser, invUser.user, invInstruments.instrument";$.ajax({url:this.server+"/icat/entityManager",data:{sessionId:this.sessionId,server:this.server,query:s},type:"GET",dataType:"json",success:function(s){console.log(s),void 0!==s[0]?dust.render("esrf-landing-page",{investigation:s[0].Investigation,investigationUsers:s[0].Investigation.investigationUsers},function(n,s){$("#main").html(s)}):alert("The DOI number "+n+" was not found !")},error:function(){alert("Sorry, error while processing the DOI request !")}})};
\ No newline at end of file

src/doi.js

@@ -51,13 +51,20 @@ ICATClient.prototype.getByDOI = function(doi){
 			dataType : "json",
 			success: function( data ) {				
                 console.log(data);
-                dust.render('esrf-landing-page', 
+                if ( typeof data[0] !== "undefined" )
                 {
-                    investigation : data[0].Investigation,
-                    investigationUsers : data[0].Investigation.investigationUsers
-                }, function(err, out) {                        
-                       $("#main").html(out);
-                });		    							
+                    dust.render('esrf-landing-page', 
+                        {
+                        investigation : data[0].Investigation,
+                        investigationUsers : data[0].Investigation.investigationUsers
+                        }, 
+                        function(err, out) {                        
+                            $("#main").html(out);
+                        });
+                }
+                else {
+                    alert("The DOI number " + doi + " was not found !");
+                }
 			},
 			// Code to run if the request fails
 			error: function() {