Add "up to date" info to the "about" window

InvenTree/InvenTree/context.py

@@ -42,6 +42,8 @@ def health_status(request):
 
     status['system_healthy'] = all_healthy
 
+    status['up_to_date'] = InvenTree.version.isInvenTreeUpToDate()
+
     return status
 
 

InvenTree/InvenTree/version.py

@@ -25,10 +25,13 @@ def inventreeVersion():
     return INVENTREE_SW_VERSION
 
 
-def inventreeVersionTuple():
+def inventreeVersionTuple(version=None):
     """ Return the InvenTree version string as (maj, min, sub) tuple """
 
-    match = re.match(r"^.*(\d+)\.(\d+)\.(\d+).*$", INVENTREE_SW_VERSION)
+    if version is None:
+        version = INVENTREE_SW_VERSION
+
+    match = re.match(r"^.*(\d+)\.(\d+)\.(\d+).*$", str(version))
 
     return [int(g) for g in match.groups()]
 
@@ -44,7 +47,30 @@ def versionTupleToInt(version):
     n += version[2]
 
     return n
-    
+
+
+def isInvenTreeUpToDate():
+    """
+    Test if the InvenTree instance is "up to date" with the latest version.
+
+    A background task periodically queries GitHub for latest version,
+    and stores it to the database as INVENTREE_LATEST_VERSION
+    """
+
+    latest = common.models.InvenTreeSetting.get_setting('INVENTREE_LATEST_VERSION', None)
+
+    # No record for "latest" version - we must assume we are up to date!
+    if not latest:
+        return True
+
+    # Extract "tuple" version
+    version = inventreeVersionTuple(latest)
+    version_int = versionTupleToInt(version)
+
+    inventree_int = versionTupleToInt(inventreeVersionTuple())
+
+    return inventree_int >= version_int
+
 
 def inventreeApiVersion():
     return INVENTREE_API_VERSION

InvenTree/templates/about.html

@@ -19,19 +19,30 @@
                             <col width='25'>
                             <tr>
                                 <td><span class='fas fa-hashtag'></span></td>
-                                <td>{% trans "InvenTree Version" %}</td><td><a href="https://github.com/inventree/InvenTree/releases">{% inventree_version %}</a></td>
+                                <td>{% trans "InvenTree Version" %}</td>
+                                <td>
+                                    <a href="https://github.com/inventree/InvenTree/releases">{% inventree_version %}</a>
+                                    {% if up_to_date %}
+                                    <span class='label label-green float-right'>{% trans "Up to Date" %}</span>
+                                    {% else %}
+                                    <span class='label label-red float-right'>{% trans "Update Available" %}</span>
+                                    {% endif %}
+                                </td>
                             </tr>
                             <tr>
                                 <td><span class='fas fa-hashtag'></span></td>
-                                <td>{% trans "Django Version" %}</td><td><a href="https://www.djangoproject.com/">{% django_version %}</a></td>
+                                <td>{% trans "Django Version" %}</td>
+                                <td><a href="https://www.djangoproject.com/">{% django_version %}</a></td>
                             </tr>
                             <tr>
                                 <td><span class='fas fa-code-branch'></span></td>
-                                <td>{% trans "Commit Hash" %}</td><td><a href="https://github.com/inventree/InvenTree/commit/{% inventree_commit_hash %}">{% inventree_commit_hash %}</a></td>
+                                <td>{% trans "Commit Hash" %}</td>
+                                <td><a href="https://github.com/inventree/InvenTree/commit/{% inventree_commit_hash %}">{% inventree_commit_hash %}</a></td>
                             </tr>
                             <tr>
                                 <td><span class='fas fa-calendar-alt'></span></td>
-                                <td>{% trans "Commit Date" %}</td><td>{% inventree_commit_date %}</td>
+                                <td>{% trans "Commit Date" %}</td>
+                                <td>{% inventree_commit_date %}</td>
                             </tr>
                             <tr>
                                 <td><span class='fas fa-book'></span></td>

InvenTree/templates/navbar.html

@@ -59,8 +59,8 @@
           {% endif %}
           <li class='dropdown'>
             <a class='dropdown-toggle' data-toggle='dropdown' href="#">
-              {% if not system_healthy %}
-              <span title='{% trans "InvenTree server issues detected" %}' class='fas fa-exclamation-triangle icon-red'></span>
+              {% if not system_healthy or not up_to_date %}
+              <span class='fas fa-exclamation-triangle icon-red'></span>
               {% endif %}
               <span class="fas fa-user"></span> <b>{{ user.get_username }}</b></a>
             <ul class='dropdown-menu'>
@@ -78,11 +78,20 @@
                   {% if system_healthy %}
                   <span class='fas fa-server'>
                   {% else %}
-                  <span class='fas fa-exclamation-triangle icon-red'>
+                  <span class='fas fa-server icon-red'>
                   {% endif %}
                   </span> {% trans "System Information" %}
                 </a></li>
-                <li id='launch-about'><a href='#'><span class="fas fa-info-circle"></span> {% trans "About InvenTree" %}</a></li>
+                <li id='launch-about'>
+                  <a href='#'>
+                    {% if up_to_date %}
+                    <span class="fas fa-info-circle">
+                    {% else %}
+                    <span class='fas fa-info-circle icon-red'>
+                    {% endif %}
+                    </span> {% trans "About InvenTree" %}
+                  </a>
+                </li>
               </ul>
             </li> 
       </ul>