catalog: introduce some sorters

Signed-off-by: Alexandre Terrasa <alexandre@moz-code.org>

diff --git a/src/catalog.nit b/src/catalog.nit
index 46aeb1b..dd891ac 100644 (file)
--- a/src/catalog.nit
+++ b/src/catalog.nit
@@ -624,6 +624,33 @@ class MPackageStats
        var score = 0
 end
 
+# Sort the mpackages by their score
+class CatalogScoreSorter
+       super Comparator
+
+       # Catalog used to access scores
+       var catalog: Catalog
+
+       redef type COMPARED: MPackage
+
+       redef fun compare(a, b) do
+               if not catalog.mpackages_stats.has_key(a) then return 1
+               if not catalog.mpackages_stats.has_key(b) then return -1
+               var astats = catalog.mpackages_stats[a]
+               var bstats = catalog.mpackages_stats[b]
+               return bstats.score <=> astats.score
+       end
+end
+
+# Sort tabs alphabetically
+class CatalogTagsSorter
+       super Comparator
+
+       redef type COMPARED: String
+
+       redef fun compare(a, b) do return a <=> b
+end
+
 # Execute a git command and return the result
 fun git_run(command: String...): String
 do