Handle the didn't-run-diagnosis-ever-yet case

src/js/yunohost/controllers/diagnosis.js

@@ -10,6 +10,11 @@
     app.get('#/diagnosis', function (c) {
         c.api('GET', '/diagnosis/show?full', {}, function(data) {
 
+            if (typeof(data.reports) === "undefined")
+            {
+                data.reports = [];
+            }
+
             // Prepare data to be displayed ...
             for (var i = 0 ; i < data.reports.length ; i++)
             {
@@ -63,6 +68,13 @@
             // Render and display the view
             c.view('diagnosis/diagnosis_show', data, function() {
 
+                // Button for first diagnosis
+                $("button[data-action='run-full-diagnosis']").click(function() {
+                    c.api('POST', '/diagnosis/run', {}, function(data) {
+                        c.refresh();
+                    });
+                });
+
                 // Configure share with yunopaste button
                 $("button[data-action='share']").click(function() {
                     c.api('GET', '/diagnosis/show?share', {}, function(data) {

src/locales/en.json

@@ -96,6 +96,8 @@
     "domain_dns_conf_is_just_a_recommendation": "This page shows you the *recommended* configuration. It does *not* configure the DNS for you. It is your responsability to configure your DNS zone in your DNS registrar according to this recommendation.",
     "diagnosis": "Diagnosis",
     "diagnosis_experimental_disclaimer": "Be aware that the diagnosis feature is still experimental and being polished, and it may not be fully reliable.",
+    "diagnosis_first_run": "The diagnosis feature will attempt to identify common issues on the different aspects of your server to help you make sure that everything works as smoothly as possible.",
+    "run_first_diagnosis": "Run initial diagnosis",
     "disable": "Disable",
     "disabled": "Disabled",
     "dns": "DNS",

src/views/diagnosis/diagnosis_show.ms

@@ -11,7 +11,15 @@
 
 <div class="separator"></div>
 
-<div class="alert alert-warning">{{t 'diagnosis_experimental_disclaimer'}}</div>
+{{#unless reports}}
+<div class="alert alert-info text-center">
+<p>{{t 'diagnosis_first_run'}}</p>
+<br>
+<button class="btn btn-info" data-action="run-full-diagnosis"><span class="fa-fw fa-stethoscope"></span> {{t 'run_first_diagnosis'}}</button>
+</div>
+{{/unless}}
+
+<div class="alert alert-warning text-center">{{t 'diagnosis_experimental_disclaimer'}}</div>
 
 {{#reports}}
 <div class="panel panel-default">