add did document to details page

device/models.py

@@ -315,3 +315,8 @@ class Device:
     def components(self):
         self.get_last_evidence()
         return self.last_evidence.get_components()
+
+    @property
+    def did_document(self):
+        self.get_last_evidence()
+        return self.last_evidence.get_did_document()

device/templates/details.html

@@ -228,17 +228,33 @@
 
     <div class="tab-pane fade" id="evidences">
       <h5 class="card-title">{% trans 'List of evidences' %}</h5>
-      <div class="list-group col-6">
+      <div class="list-group col">
-        {% for snap in object.evidences %}
+	  <table class="table">
-          <div class="list-group-item">
+           <thead>
-            <div class="d-flex w-100 justify-content-between">
+             <tr>
-              <small class="text-muted">{{ snap.created }}</small>
+               <th scope="col">uuid</th>
-            </div>
+               <th scope="col">Did Document</th>
-            <p class="mb-1">
+               <th scope="col">{% trans "Date" %}</th>
-              <a href="{% url 'evidence:details' snap.uuid %}">{{ snap.uuid }}</a>
+             </tr>
-            </p>
+           </thead>
-          </div>
+           <tbody>
-        {% endfor %}
+	     {% for snap in object.evidences %}
+             <tr>
+               <td>
+                  <a href="{% url 'evidence:details' snap.uuid %}">{{ snap.uuid }}</a>
+	       </td>
+               <td>
+		 {% if snap.did_document %}
+		 <a href="{{ snap.did_document }}" target="_blank">DID</a>
+		 {% endif %}
+	       </td>
+               <td>
+                 <small class="text-muted">{{ snap.created }}</small>
+	       </td>
+             </tr>
+	     {% endfor %}
+           </tbody>
+         </table>
       </div>
     </div>
 

evidence/models.py

@@ -206,3 +206,14 @@ class Evidence:
 
     def is_web_snapshot(self):
         return self.doc.get("type") == "WebSnapshot"
+
+    def did_document(self):
+        if not self.doc.get("credentialSubject"):
+            return ''
+        did = self.doc.get('issuer')
+        if not "did:web" in did:
+            return ''
+
+        return  "https://{}/did.json".format(
+            did.split("did:web:")[1].replace(":", "/")
+        )