bitbake: toaster: Create default project with get_or_create* method

Rather than maintain data as part of the migrations (as was
done for the default project previously), create the default
(cli builds) project on demand as a by-product of getting
it from the database.

[YOCTO #8364]

(Bitbake rev: 5fd8e90ab9b81d1bd0d301bc1c91228ecbbea74b)

Signed-off-by: Elliot Smith <elliot.smith@intel.com>
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: brian avery <avery.brian@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/toaster/orm/models.py

@@ -91,18 +91,25 @@ class ProjectManager(models.Manager):
 
         return prj
 
-    def create(self, *args, **kwargs):
-        raise Exception("Invalid call to Project.objects.create. Use Project.objects.create_project() to create a project")
-
     # return single object with is_default = True
-    def get_default_project(self):
+    def get_or_create_default_project(self):
         projects = super(ProjectManager, self).filter(is_default = True)
+
         if len(projects) > 1:
-            raise Exception("Inconsistent project data: multiple " +
-                            "default projects (i.e. with is_default=True)")
+            raise Exception('Inconsistent project data: multiple ' +
+                            'default projects (i.e. with is_default=True)')
         elif len(projects) < 1:
-            raise Exception("Inconsistent project data: no default project found")
-        return projects[0]
+            options = {
+                'name': 'Command line builds',
+                'short_description': 'Project for builds started outside Toaster',
+                'is_default': True
+            }
+            project = Project.objects.create(**options)
+            project.save()
+
+            return project
+        else:
+            return projects[0]
 
 class Project(models.Model):
     search_allowed_fields = ['name', 'short_description', 'release__name', 'release__branch_name']