Add Guru Gobind Singh Jayanti holiday

Summary: Adding support for Guru Gobind Singh Jayanti holiday from 2000 to 2030.

Reviewed By: chinmay87

Differential Revision: D10148514

fbshipit-source-id: 79e35bcca37f7a87fc6b46fda41edf0a57b424a6

Duckling/Ranking/Classifiers/EN_US.hs

@@ -2175,6 +2175,13 @@ classifiers
                                    [("hour", -1.3397743454849977),
                                     ("integer (numeric)hour (grain)", -1.3397743454849977)],
                                n = 10}}),
+       ("Guru Gobind Singh Jayanti",
+        Classifier{okData =
+                     ClassData{prior = -infinity, unseen = -0.6931471805599453,
+                               likelihoods = HashMap.fromList [], n = 0},
+                   koData =
+                     ClassData{prior = 0.0, unseen = -1.9459101490553135,
+                               likelihoods = HashMap.fromList [("", 0.0)], n = 5}}),
        ("hhmm (latent)",
         Classifier{okData =
                      ClassData{prior = 0.0, unseen = -2.0794415416798357,

Duckling/Ranking/Classifiers/IS_XX.hs

@@ -13,10 +13,10 @@
 -----------------------------------------------------------------
 {-# LANGUAGE OverloadedStrings #-}
 module Duckling.Ranking.Classifiers.IS_XX (classifiers) where
-import Prelude
-import Duckling.Ranking.Types
-import qualified Data.HashMap.Strict as HashMap
 import Data.String
+import Prelude
+import qualified Data.HashMap.Strict as HashMap
+import Duckling.Ranking.Types
 
 classifiers :: Classifiers
-classifiers = HashMap.fromList []
+classifiers = HashMap.fromList []

Duckling/Time/Computed.hs

@@ -7,10 +7,10 @@
 
 module Duckling.Time.Computed
   ( chanukah, chineseNewYear, dhanteras, easterSunday, eidalAdha, eidalFitr
-  , globalYouthServiceDay, lagBaOmer, mawlid, muharram, navaratri
-  , orthodoxEaster, passover, rajab, rakshaBandhan, ramadan, roshHashana
-  , thaiPongal, thiruOnam, tishaBAv, tuBishvat, vasantPanchami, vesak
-  , yomHaatzmaut, vaisakhi, purim
+  , globalYouthServiceDay, guruGobindSinghJayanti, lagBaOmer, mawlid, muharram
+  , navaratri, orthodoxEaster, passover, rajab, rakshaBandhan, ramadan
+  , roshHashana, thaiPongal, thiruOnam, tishaBAv, tuBishvat, vasantPanchami
+  , vesak, yomHaatzmaut, vaisakhi, purim
   ) where
 
 import Data.Maybe
@@ -1585,6 +1585,44 @@ globalYouthServiceDay' = mapMaybe toTimeObjectM
   , (2018, 4, 20)
   ]
 
+guruGobindSinghJayanti :: TimeData
+guruGobindSinghJayanti = computedDays guruGobindSinghJayanti'
+
+guruGobindSinghJayanti' :: [TimeObject]
+guruGobindSinghJayanti' = mapMaybe toTimeObjectM
+  [ (2000, 1, 14)
+  , (2001, 1, 2)
+  , (2002, 1, 21)
+  , (2003, 12, 29)
+  , (2004, 1, 5)
+  , (2005, 1, 16)
+  , (2006, 12, 27)
+  , (2007, 1, 5)
+  , (2008, 1, 14)
+  , (2009, 12, 23)
+  , (2010, 1, 5)
+  , (2011, 1, 5)
+  , (2012, 1, 5)
+  , (2013, 1, 18)
+  , (2014, 1, 7)
+  , (2015, 1, 5)
+  , (2016, 1, 16)
+  , (2017, 12, 25)
+  , (2018, 1, 5)
+  , (2019, 1, 13)
+  , (2020, 2, 1)
+  , (2021, 1, 19)
+  , (2022, 1, 8)
+  , (2023, 1, 5)
+  , (2024, 1, 17)
+  , (2025, 1, 5)
+  , (2026, 1, 5)
+  , (2027, 1, 14)
+  , (2028, 1, 3)
+  , (2029, 1, 5)
+  , (2030, 1, 10)
+  ]
+
 vesak :: TimeData
 vesak = computedDays vesak'
 

Duckling/Time/EN/Corpus.hs

@@ -1536,4 +1536,10 @@ allExamples = concat
   , examples (datetimeHoliday (2013, 2, 24, 0, 0, 0) Day "Shushan Purim")
              [ "Shushan Purim"
              ]
+  , examples (datetimeHoliday (2014, 1, 7, 0, 0, 0) Day "Guru Gobind Singh Jayanti")
+             [ "guru gobind singh birthday"
+             , "guru gobind singh jayanti 2014"
+             , "guru gobind singh jayanti"
+             , "Guru Govind Singh Jayanti"
+             ]
   ]

Duckling/Time/EN/Rules.hs

@@ -1710,6 +1710,9 @@ ruleComputedHolidays = mkRuleHolidays
     , cycleNthAfter False TG.Day 3 dhanteras )
   , ( "Good Friday", "(good|great|holy)\\s+fri(day)?"
     , cycleNthAfter False TG.Day (-2) easterSunday )
+  , ( "Guru Gobind Singh Jayanti"
+    , "guru\\s+(gobind|govind)\\s+singh\\s+(birthday|jayanti)"
+    , guruGobindSinghJayanti )
   , ( "Holi", "(rangwali )?holi|dhuleti|dhulandi|phagwah"
     , cycleNthAfter False TG.Day 39 vasantPanchami )
   , ( "Holika Dahan", "holika dahan|kamudu pyre|chhoti holi"