Package index listing now implemented in django

1 files changed, 25 insertions, 0 deletions

diff --git a/patchtracker/ComplexQueries.py b/patchtracker/ComplexQueries.py
new file mode 100644
index 0000000..706301e
--- /dev/null
+++ b/patchtracker/ComplexQueries.py
@@ -0,0 +1,25 @@
+import models
+
+class PackageIndex:
+  def __init__( self, index ):
+    self.dists = [d.name for d in models.RepositorySuite.objects.all()]
+    self.index = {}
+    self.packages = []
+
+    packageMappings = models.SourcePackageMapping.objects.order_by('package__name').filter( package__name=index )
+    if not packageMappings:
+      packageMappings = models.SourcePackageMapping.objects.order_by('package__name').filter( package__name__startswith=index )
+
+    for mapping in packageMappings:
+      self._addPackageMapping(mapping.package, mapping.suite)
+
+  def _addPackageMapping( self, package, suite ):
+    if package.name not in self.index:
+      self.index[package.name] = [None] * len(self.dists)
+      self.packages.append(package)
+    self.index[package.name][self.dists.index(suite.name)] = package
+
+  def __iter__( self ):
+    for pkg in self.packages:
+      yield { 'package':pkg, 'entries':self.index[pkg.name] }
+