From af1f5c05b22ed3a823561656c534b409b0343636 Mon Sep 17 00:00:00 2001
From: cos <cos>
Date: Sun, 18 Jan 2015 12:33:16 +0100
Subject: Combine repeated shopping list items when they have the same unit.

---
 mat | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/mat b/mat
index 807d269..4aa61be 100755
--- a/mat
+++ b/mat
@@ -716,9 +716,7 @@ sub cmd_shoppinglist {
   for my $entry ( @$queue_entries ) {
     my @s = $db->selectrow_array("SELECT servings FROM queue WHERE ".
         "recipe_id=@$entry[0]");
-#    $recipe_count{@$entry[0]} += $s[0]; FIXME Take number of servings into account
-    print "WARNING ignoring servings for recipe @$entry[0]!\n" if($s[0] != 1);
-    $recipe_count{@$entry[0]}++;
+    $recipe_count{@$entry[0]} += $s[0];
   }
 #  map {print "| $_ = ${recipe_count{$_}}\n"} sort keys(%recipe_count);
 
@@ -766,7 +764,17 @@ sub cmd_shoppinglist {
     }
   }
   my @sorted_ingredients = sort { $a->{ingredient} cmp $b->{ingredient} } @shop_ingredients;
-  for my $shop ( @sorted_ingredients )
+  my @squeezed_ingredients;
+  for my $squeeze ( @sorted_ingredients )
+  {
+    if (exists($squeezed_ingredients[-1]) and $squeezed_ingredients[-1]{ingredient} eq $squeeze->{ingredient} and $squeezed_ingredients[-1]{unit} eq $squeeze->{unit}) {
+      $squeezed_ingredients[-1]{quantity} += $squeeze->{quantity};
+    } else {
+      push @squeezed_ingredients, $squeeze;
+    }
+  }
+#  for my $shop ( @sorted_ingredients )
+  for my $shop ( @squeezed_ingredients )
   {
     printf "%4s %-8s %s\n", $shop->{quantity}, $shop->{unit}, $shop->{ingredient};
   }
-- 
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