[Toaster] [review-request] toaster: Remove circular dependecies from packages/recipes

[Irina Patru]

The RelatedManager for Package_Dependency and Recipe_Dependency is changed
so that circular dependacies are hidden in the UI, but will still remain in
the database.

[YOCTO #5655]

Signed-off-by: Irina Patru <irina.patru at intel.com>
---
 bitbake/lib/toaster/orm/models.py |   14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/bitbake/lib/toaster/orm/models.py b/bitbake/lib/toaster/orm/models.py
index 93506d7..612bdb1 100644
--- a/bitbake/lib/toaster/orm/models.py
+++ b/bitbake/lib/toaster/orm/models.py
@@ -20,6 +20,7 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 from django.db import models
+from django.db.models import F
 from django.utils.encoding import python_2_unicode_compatible
 
 
@@ -208,6 +209,12 @@ class Package(models.Model):
     section = models.CharField(max_length=80, blank=True)
     license = models.CharField(max_length=80, blank=True)
 
+class Package_DependencyManager(models.Manager):
+    use_for_related_fields = True
+
+    def get_query_set(self):
+        return super(Package_DependencyManager, self).get_query_set().exclude(package_id = F('depends_on__id'))
+
 class Package_Dependency(models.Model):
     TYPE_RDEPENDS = 0
     TYPE_TRDEPENDS = 1
@@ -247,6 +254,7 @@ class Package_Dependency(models.Model):
     depends_on = models.ForeignKey(Package, related_name='package_dependencies_target')   # soft dependency
     dep_type = models.IntegerField(choices=DEPENDS_TYPE)
     target = models.ForeignKey(Target, null=True)
+    objects = Package_DependencyManager()
 
 class Target_Installed_Package(models.Model):
     target = models.ForeignKey(Target)
@@ -270,6 +278,11 @@ class Recipe(models.Model):
     bugtracker = models.URLField(blank=True)
     file_path = models.FilePathField(max_length=255)
 
+class Recipe_DependencyManager(models.Manager):
+    use_for_related_fields = True
+
+    def get_query_set(self):
+        return super(Recipe_DependencyManager, self).get_query_set().exclude(recipe_id = F('depends_on__id'))
 
 class Recipe_Dependency(models.Model):
     TYPE_DEPENDS = 0
@@ -282,6 +295,7 @@ class Recipe_Dependency(models.Model):
     recipe = models.ForeignKey(Recipe, related_name='r_dependencies_recipe')
     depends_on = models.ForeignKey(Recipe, related_name='r_dependencies_depends')
     dep_type = models.IntegerField(choices=DEPENDS_TYPE)
+    objects = Recipe_DependencyManager()
 
 class Layer(models.Model):
     name = models.CharField(max_length=100)
-- 
1.7.9.5