Check if Company thumbnails are created on Company app start

InvenTree/company/apps.py

@@ -1,7 +1,36 @@
 from __future__ import unicode_literals
 
-from django.apps import AppConfig
+import os
 
+from django.apps import AppConfig
+from django.db.utils import OperationalError, ProgrammingError
+from django.conf import settings
 
 class CompanyConfig(AppConfig):
     name = 'company'
+
+    def ready(self):
+        """
+        This function is called whenever the Company app is loaded.
+        """
+
+        self.generate_company_thumbs()
+
+    def generate_company_thumbs(self):
+
+        from .models import Company
+
+        print("InvenTree: Checking Company image thumbnails")
+
+        try:
+            for company in Company.objects.all():
+                if company.image:
+                    url = company.image.thumbnail.name
+                    loc = os.path.join(settings.MEDIA_ROOT, url)
+
+                    if not os.path.exists(loc):
+                        print("InvenTree: Generating thumbnail for Company '{c}'".format(c=company.name))
+                        company.image.render_variations(replace=False)
+        except (OperationalError, ProgrammingError):
+            print("Could not generate Company thumbnails")
+    

InvenTree/company/models.py

@@ -96,7 +96,7 @@ class Company(models.Model):
         upload_to=rename_company_image,
         null=True,
         blank=True,
-        variations={'thumnbnail': (128, 128)},
+        variations={'thumbnail': (128, 128)},
         delete_orphans=True,
     )
 

InvenTree/part/apps.py

@@ -20,13 +20,14 @@ class PartConfig(AppConfig):
     def generate_part_thumbnails(self):
         from .models import Part
 
-        print("Checking Part image thumbnails")
+        print("InvenTree: Checking Part image thumbnails")
 
         try:
             for part in Part.objects.all():
                 if part.image:
                     url = part.image.thumbnail.name
                     loc = os.path.join(settings.MEDIA_ROOT, url)
+                    
                     if not os.path.exists(loc):
                         print("InvenTree: Generating thumbnail for Part '{p}'".format(p=part.name))
                         part.image.render_variations(replace=False)