bal: show percentage of budget spent

hledger/Hledger/Cli/Commands/Balance.hs

@@ -252,6 +252,7 @@ import qualified Data.Map as Map
 -- import Data.Monoid
 import qualified Data.Text as T
 import System.Console.CmdArgs.Explicit as C
+import Data.Decimal (roundTo)
 import Text.CSV
 import Test.HUnit
 import Text.Printf (printf)
@@ -559,7 +560,14 @@ multiBalanceReportWithBudgetAsText opts budget r =
         HistoricalBalance -> "Ending balances (historical)"
     showcell (real, Nothing)     = showamt real
     showcell (real, Just budget) = 
-        printf "%s [%s]" (showamt real) (showamt budget)
+      case percentage real budget of
+        Just pct -> printf "%s [%s%% of %s]" (showamt real) (show $ roundTo 0 pct) (showamt budget)
+        Nothing  -> printf "%s [%s]" (showamt real) (showamt budget)
+    percentage real budget =
+      case (real, budget) of
+        (Mixed [a1], Mixed [a2]) | acommodity a1 == acommodity a2 && aquantity a2 /= 0 -> 
+          Just $ 100 * aquantity a1 / aquantity a2
+        _ -> Nothing
     showamt | color_ opts  = cshowMixedAmountOneLineWithoutPrice
             | otherwise    = showMixedAmountOneLineWithoutPrice
     -- combine reportTable budgetTable will combine them into a single table where cells

hledger/hledger.cabal

@@ -113,6 +113,7 @@ library
     , text >=0.11
     , utf8-string >=0.3.5 && <1.1
     , wizards ==1.0.*
+    , Decimal
   if (!(os(windows))) && (flag(terminfo))
     build-depends:
         terminfo
@@ -192,6 +193,7 @@ executable hledger
     , text >=0.11
     , utf8-string >=0.3.5 && <1.1
     , wizards ==1.0.*
+    , Decimal
   if (!(os(windows))) && (flag(terminfo))
     build-depends:
         terminfo
@@ -241,6 +243,7 @@ test-suite test
     , text >=0.11
     , utf8-string >=0.3.5 && <1.1
     , wizards ==1.0.*
+    , Decimal
     , test-framework
     , test-framework-hunit
   if (!(os(windows))) && (flag(terminfo))

hledger/package.yaml

@@ -149,6 +149,7 @@ library:
   - text >=0.11
   - utf8-string >=0.3.5 && <1.1
   - wizards ==1.0.*
+  - Decimal
 
 executables:
   hledger:
@@ -178,6 +179,7 @@ executables:
     - text >=0.11
     - utf8-string >=0.3.5 && <1.1
     - wizards ==1.0.*
+    - Decimal
 
 tests:
   test:
@@ -204,6 +206,7 @@ tests:
     - text >=0.11
     - utf8-string >=0.3.5 && <1.1
     - wizards ==1.0.*
+    - Decimal
     - test-framework
     - test-framework-hunit
 

tests/budget/budget.test

@@ -33,12 +33,12 @@ hledger bal -D -b 2016-12-01 -e 2016-12-04 -f - --budget
 Balance changes in 2016/12/01-2016/12/03:
 
                        ||         2016/12/01          2016/12/02           2016/12/03 
-=======================++=======================================
+=======================++=============================================================
  <unbudgeted>:expenses ||                  0                   0                  $40 
- assets:cash           || $-10 [$-25]  $-14 [$-25]  $-51 [$-25] 
- expenses:food         ||   $10 [$10]     $9 [$10]    $11 [$10] 
- expenses:leisure      ||     0 [$15]     $5 [$15]      0 [$15] 
------------------------++---------------------------------------
+ assets:cash           || $-10 [40% of $-25]  $-14 [56% of $-25]  $-51 [204% of $-25] 
+ expenses:food         ||  $10 [100% of $10]     $9 [90% of $10]    $11 [110% of $10] 
+ expenses:leisure      ||            0 [$15]     $5 [33% of $15]              0 [$15] 
+-----------------------++-------------------------------------------------------------
                        ||                  0                   0                    0 
 
 >>>2
@@ -79,13 +79,13 @@ hledger bal -D -b 2016-12-01 -e 2016-12-04 -f - --budget --show-unbudgeted
 Balance changes in 2016/12/01-2016/12/03:
 
                   ||         2016/12/01          2016/12/02           2016/12/03 
-==================++=======================================
- assets:cash      || $-10 [$-25]  $-14 [$-25]  $-51 [$-25] 
+==================++=============================================================
+ assets:cash      || $-10 [40% of $-25]  $-14 [56% of $-25]  $-51 [204% of $-25] 
  expenses:cab     ||                  0                   0                  $15 
- expenses:food    ||   $10 [$10]     $9 [$10]    $11 [$10] 
- expenses:leisure ||     0 [$15]     $5 [$15]      0 [$15] 
+ expenses:food    ||  $10 [100% of $10]     $9 [90% of $10]    $11 [110% of $10] 
+ expenses:leisure ||            0 [$15]     $5 [33% of $15]              0 [$15] 
  expenses:movies  ||                  0                   0                  $25 
-------------------++---------------------------------------
+------------------++-------------------------------------------------------------
                   ||                  0                   0                    0 
 
 >>>2