feat(avs): add extraction functions for avs datatypes and tests

This commit is contained in:
Steffen Jost 2022-08-30 18:27:39 +02:00
parent 188f101eed
commit f8afca0598
7 changed files with 317 additions and 201 deletions

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@ -39,6 +39,7 @@ User json -- Each Uni2work user has a corresponding row in this table; create
mobile Text Maybe
companyPersonalNumber Text Maybe -- Company will become a new table, but if company=fraport, some information is received via LDAP
companyDepartment Text Maybe -- thus we store such information for ease of reference directly, if available
-- pinPassword Text Maybe -- used to encrypt pins within emails
postAddress StoredMarkup Maybe
prefersPostal Bool default=false -- user prefers letters by post instead of email
examOfficeGetSynced Bool default=true -- whether synced status should be displayed for exam results by default

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@ -78,7 +78,7 @@ dispatchNotificationQualificationRenewal nQualification jRecipient = do
-- let msgrenewal = $(i18nHamletFile "qualification/renewal") -- :: HtmlUrlI18n (SomeMessage UniWorX) (Route UniWorX)
-- addHtmlMarkdownAlternatives' msgrenewal
encryptPDF "tomatenmarmelade" pdf >>= \case
encryptPDF "tomatenmarmelade" pdf >>= \case -- TODO: replace with user password!
Left err -> do
let msg = "Notify " <> tshow jRecipient <> " PDF encryption failed with error: " <> err
$logErrorS "LMS" msg

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@ -25,5 +25,6 @@ import Model.Types.Room as Types
import Model.Types.Csv as Types
import Model.Types.Upload as Types
import Model.Types.Lms as Types
import Model.Types.Avs as Types
import Model.Types.Communication as Types
import Model.Types.SystemMessage as Types

281
src/Model/Types/Avs.hs Normal file
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@ -0,0 +1,281 @@
{-|
Module: Model.Types.Avs
Description: Types for interface to AusweisVerwaltungsSystem (AVS)
-}
module Model.Types.Avs
( module Model.Types.Avs
) where
import Import.NoModel hiding ((.=))
--import Utils.Lens hiding ((.=))
import qualified Data.Set as Set
import qualified Data.Text as Text
import qualified Data.HashMap.Lazy as HM
import Data.Aeson
import Data.Aeson.Types
-- | Like (.:) but attempts parsing with case-insensitve keys as fallback.
-- Note that the type also works for an optional field
-- Taken from Data.Aeson.Filthy, which could somehow not be added as a dependency.
(.:~) :: FromJSON a => Object -> Text -> Parser a
o .:~ key = o .: key <|> maybe empty parseJSON go
where go = lookup (Text.toLower key) [(Text.toLower k, v) | (k,v) <- HM.toList o]
{-
-- Like (.:?) but attempts parsing with case-insensitve keys as fallback.
(.:?~) :: FromJSON a => Object -> Text -> Parser (Maybe a)
o .:?~ key = o .: key <|> maybe empty parseJSON go
where go = lookup (Text.toLower key) [(Text.toLower k, v) | (k,v) <- HM.toList o]
-}
-- | `SloppyBool` successfully parses different variations of true/false
newtype SloppyBool = SloppyBool { sloppyBool :: Bool }
deriving (Bounded, Enum, Eq, Ord, Read, Show, Generic, Typeable)
instance ToJSON SloppyBool where
toJSON (SloppyBool True) = "true"
toJSON _ = "false"
instance FromJSON SloppyBool where
parseJSON (Bool b) = pure $ SloppyBool b
parseJSON (String t)
| lowb == "true" = true
| lowb == "t" = true
| lowb == "f" = false
| lowb == "false" = false
where lowb = Text.toLower $ Text.strip t
true = pure $ SloppyBool True
false = pure $ SloppyBool False
parseJSON invalid = prependFailure "parsing SloppyBool failed, " $ fail $ "expected Bool or String encoding boolean. Found " ++ show invalid
type AvsPersonId = Int
type AvsLicence = Char
licenceVorfeld :: AvsLicence
licenceVorfeld = 'F'
licenceRollfeld :: AvsLicence
licenceRollfeld = 'R'
data AvsDataCardColor = AvsCardColorGrün | AvsCardColorBlau | AvsCardColorRot | AvsCardColorGelb | AvsCardColorMisc Text
deriving (Eq, Ord, Read, Show, Generic, Typeable)
instance ToJSON AvsDataCardColor where
toJSON AvsCardColorGrün = "Grün"
toJSON AvsCardColorBlau = "Blau"
toJSON AvsCardColorRot = "Rot"
toJSON AvsCardColorGelb = "Gelb"
toJSON (AvsCardColorMisc t) = String t
instance FromJSON AvsDataCardColor where
parseJSON (String t) = case Text.toLower t of
"grün" -> pure AvsCardColorGrün
"blau" -> pure AvsCardColorBlau
"rot" -> pure AvsCardColorRot
"gelb" -> pure AvsCardColorGelb
_ -> pure $ AvsCardColorMisc t
parseJSON invalid = prependFailure "parsing AvsDataCardColor failed, " (typeMismatch "String" invalid)
data AvsDataPersonCard = AvsDataPersonCard
{ avsDataValid :: Bool -- card currently valid? Note that AVS encodes booleans as JSON String "true" and "false" and not as JSON booleans
, avsDataValidTo :: Maybe Day -- always Nothing if returned with AvsResponseStatus
, avsDataIssueDate :: Maybe Day -- always Nothing if returned with AvsResponseStatus
, avsDataCardAreas :: Set Char -- logically a set of upper-case letters
, avsDataStreet :: Maybe Text -- always Nothing if returned with AvsResponseStatus
, avsDataPostalCode:: Maybe Text -- always Nothing if returned with AvsResponseStatus
, avsDataCity :: Maybe Text -- always Nothing if returned with AvsResponseStatus
, avsDataFirm :: Maybe Text -- always Nothing if returned with AvsResponseStatus
, avsDataCardColor :: AvsDataCardColor
, avsDataCardNo :: Text -- always 8 digits
, avsDataVersionNo :: Text
}
deriving (Eq, Ord, Read, Show, Generic, Typeable)
{- Automatically derived Ord instance should prioritize avsDataValid and avsDataValidTo. Checked in test/Model.TypesSpec
instance Ord AvsDataPersonCard where
compare a b =
compareBy avsDataValid
<> compareBy avsDataValidTo
<> compareBy avsDataIssueDate
<> compareBy avsDataCardAreas
...
where
compareBy f = compare `on` f a b
-}
{- Instead of programming entirely by hand, why not dump splices and adjust? -}
instance FromJSON AvsDataPersonCard where
parseJSON = withObject "AvsDataPersonCard" $ \v -> AvsDataPersonCard
<$> ((v .: "Valid") <&> sloppyBool)
<*> v .:? "ValidTo"
<*> v .:? "IssueDate"
<*> ((v .: "CardAreas") <&> charSet)
<*> v .:? "Street"
<*> v .:? "PostalCode"
<*> v .:? "City"
<*> v .:? "Firm"
<*> v .: "CardColor"
<*> v .: "CardNo"
<*> v .: "VersionNo"
instance ToJSON AvsDataPersonCard where
toJSON AvsDataPersonCard{..} = object
[ "CardAreas" .= Set.foldl Text.snoc Text.empty avsDataCardAreas
, "CardColor" .= avsDataCardColor
, "CardNo" .= avsDataCardNo
, "VersionNo" .= avsDataVersionNo
, "Valid" .= show avsDataValid
, "ValidTo" .= avsDataValidTo
, "IssueDate" .= avsDataIssueDate
, "Firm" .= avsDataFirm
, "City" .= avsDataCity
, "Street" .= avsDataStreet
, "PostalCode" .= avsDataPostalCode
]
data AvsStatusPerson = AvsStatusPerson
{ avsStatusPersonID :: AvsPersonId
, avsStatusPersonCardStatus :: Set AvsDataPersonCard
}
deriving (Eq, Ord, Read, Show, Generic, Typeable)
deriveJSON defaultOptions
{ fieldLabelModifier = \case { "avsStatusPersonCardStatus" -> "personCardStatus"; others -> dropCamel 2 others }
, omitNothingFields = True
, tagSingleConstructors = False
, rejectUnknownFields = False
} ''AvsStatusPerson
data AvsDataPerson = AvsDataPerson
{ avsPersonFirstName :: Text
, avsPersonLastName :: Text
, avsPersonInternalPersonalNo :: Maybe Text -- Fraport Personalnummer
, avsPersonPersonNo :: AvsPersonId -- AVS Personennummer
, avsPersonPersonID :: AvsPersonId -- Eindeutige PersonenID, wichtig für die Schnittstelle!
, avsPersonPersonCards :: Set AvsDataPersonCard
}
deriving (Eq, Ord, Read, Show, Generic, Typeable)
deriveJSON defaultOptions
{ fieldLabelModifier = \case { "avsPersonPersonCards" -> "personCards"; others -> dropCamel 2 others }
, omitNothingFields = True
, tagSingleConstructors = False
, rejectUnknownFields = False
} ''AvsDataPerson
--------------
-- Responses --
---------------
newtype AvsResponseStatus = AvsResponseStatus (Set AvsStatusPerson)
deriving (Eq, Ord, Read, Show, Generic, Typeable)
deriveJSON defaultOptions
{ fieldLabelModifier = dropCamel 2
, omitNothingFields = True
, tagSingleConstructors = False
, rejectUnknownFields = False
} ''AvsResponseStatus
newtype AvsResponsePerson = AvsResponsePerson (Set AvsDataPerson)
deriving (Eq, Ord, Read, Show, Generic, Typeable)
deriveJSON defaultOptions
{ fieldLabelModifier = dropCamel 2
, omitNothingFields = True
, tagSingleConstructors = False
, rejectUnknownFields = False
} ''AvsResponsePerson
-------------
-- Queries --
-------------
data AvsQueryPerson = AvsQueryPerson
{ avsPersonQueryCardNo :: Maybe Text
, avsPersonQueryFirstName :: Maybe Text
, avsPersonQueryLastName :: Maybe Text
, avsPersonQueryInternalPersonalNo :: Maybe Text
, avsPersonQueryVersionNo :: Maybe Text
}
deriving (Eq, Ord, Read, Show, Generic, Typeable)
instance Default AvsQueryPerson where
def = AvsQueryPerson Nothing Nothing Nothing Nothing Nothing
deriveJSON defaultOptions
{ fieldLabelModifier = dropCamel 3
, omitNothingFields = True
, tagSingleConstructors = False
, rejectUnknownFields = False
} ''AvsQueryPerson
newtype AvsQueryStatus = AvsQueryStatus (Set AvsPersonId)
deriving (Eq, Ord, Read, Show, Generic, Typeable)
deriveJSON defaultOptions ''AvsQueryStatus
-----------------------
-- Utility Functions --
-----------------------
-- | retrieve AvsDataPersonCard with longest validity for a given licence,
-- first argument is a lower bound for avsDataValidTo, usually current day
-- Note that avsDataValidTo is Nothing if retrieved via AvsResponseStatus (simply use isJust on result in this case)
getValidLicence :: Maybe Day -> AvsLicence -> Set AvsDataPersonCard -> Maybe AvsDataPersonCard
getValidLicence cutoff licence cards = Set.lookupMax validLicenceCards
where
validLicenceCards = Set.filter cardMatch cards
cardMatch AvsDataPersonCard{..} =
avsDataValid && (avsDataValidTo >= cutoff) && (licence `Set.member` avsDataCardAreas)
guessLicencseAddress :: Set AvsDataPersonCard -> Maybe Text
guessLicencseAddress cards
| Just c <- Set.lookupMax cards
, AvsDataPersonCard{..} <- Set.foldr pickLicenceAddress c cards
, Just street <- avsDataStreet
, Just pcode <- avsDataPostalCode
, Just city <- avsDataCity
= Just $ Text.unlines [street, Text.unwords [pcode, city]]
| otherwise = Nothing
hasAddress :: AvsDataPersonCard -> Bool
hasAddress AvsDataPersonCard{..} = isJust avsDataStreet && isJust avsDataCity && isJust avsDataPostalCode
pickLicenceAddress :: AvsDataPersonCard -> AvsDataPersonCard -> AvsDataPersonCard
pickLicenceAddress a b
| Just r <- pickBetter' hasAddress = r -- prefer card with complete address
| Just r <- pickBetter' avsDataValid = r -- prefer valid cards
| Just r <- pickBetter' (Set.member licenceRollfeld . avsDataCardAreas) = r -- prefer 'R' cards
| Just r <- pickBetter' (Set.member licenceVorfeld . avsDataCardAreas) = r -- prefer 'F' cards
| avsDataIssueDate a > avsDataIssueDate b = a -- prefer later issue date
| avsDataIssueDate a < avsDataIssueDate b = b
| avsDataValidTo a > avsDataValidTo b = a -- prefer later validto date
| avsDataValidTo a < avsDataValidTo b = b
| Just r <- pickBetter' (isJust . avsDataFirm) = r -- prefer having a firm
| a <= b = b -- respect natural Ord instance
| otherwise = a
where
pickBetter' :: (AvsDataPersonCard -> Bool) -> Maybe AvsDataPersonCard
pickBetter' = pickBetter a b
{- Note:
Since Ordering is a Semigroup that ignores the righthand side except for EQ, this can be conveniently be used like so
bestAddress :: AvsDataPersonCard -> AvsDataPersonCard -> Ordering
compare a b =
compareBy avsDataValid
<> compareBy avsDataValidTo
<> compareBy avsDataIssueDate
where
compareBy f = compare `on` f a b
-}

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@ -883,10 +883,6 @@ whenIsRight (Left _) _ = pure ()
throwLeft :: (MonadThrow m, Exception exc) => Either exc a -> m a
throwLeft = either throwM return
throwLeftWith :: (MonadThrow m, Exception e) => e -> Either b a -> m a
-- throwLeftWith e = either (const $ throwM e) return
throwLeftWith _ (Right x) = return x
throwLeftWith e (Left _) = throwM e
{- Just a reminder for Steffen:
mapLeft :: (a -> c) -> Either a b -> Either c b
@ -1588,6 +1584,15 @@ maxOn = maxBy . comparing
inBetween:: Ord a => a -> (a,a) -> Bool
inBetween x (lower,upper) = lower <= x && x <= upper
-- | Given to values and a criterion, returns the unique argument that fulfills the criterion, if it exists
pickBetter :: a -> a -> (a -> Bool) -> Maybe a
pickBetter x y crit
| cx == cy = Nothing
| cx = Just x
| otherwise = Just y
where
cx = crit x
cy = crit y
------------
-- Random --

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@ -3,203 +3,11 @@ module Utils.Avs where
import Import.NoModel hiding ((.=))
import Utils.Lens hiding ((.=))
import qualified Data.Set as Set
import qualified Data.Text as Text
import qualified Data.HashMap.Lazy as HM
import Data.Aeson
import Data.Aeson.Types
import Servant
import Servant.Client
import Servant.Client.Core (requestPath)
-- | Like (.:) but attempts parsing with case-insensitve keys as fallback.
-- Note that the type also works for an optional field
-- Taken from Data.Aeson.Filthy, which could somehow not be added as a dependency.
(.:~) :: FromJSON a => Object -> Text -> Parser a
o .:~ key = o .: key <|> maybe empty parseJSON go
where go = lookup (Text.toLower key) [(Text.toLower k, v) | (k,v) <- HM.toList o]
{-
-- Like (.:?) but attempts parsing with case-insensitve keys as fallback.
(.:?~) :: FromJSON a => Object -> Text -> Parser (Maybe a)
o .:?~ key = o .: key <|> maybe empty parseJSON go
where go = lookup (Text.toLower key) [(Text.toLower k, v) | (k,v) <- HM.toList o]
-}
newtype SloppyBool = SloppyBool { sloppyBool :: Bool }
deriving (Bounded, Enum, Eq, Ord, Read, Show, Generic, Typeable)
instance ToJSON SloppyBool where
toJSON (SloppyBool True) = "true"
toJSON _ = "false"
instance FromJSON SloppyBool where
parseJSON (Bool b) = pure $ SloppyBool b
parseJSON (String t)
| lowb == "true" = true
| lowb == "t" = true
| lowb == "f" = false
| lowb == "false" = false
where lowb = Text.toLower $ Text.strip t
true = pure $ SloppyBool True
false = pure $ SloppyBool False
parseJSON invalid = prependFailure "parsing SloppyBool failed, " $ fail $ "expected Bool or String encoding boolean. Found " ++ show invalid
type AvsPersonId = Int
data AvsDataCardColor = AvsCardColorGrün | AvsCardColorBlau | AvsCardColorRot | AvsCardColorGelb | AvsCardColorMisc Text
deriving (Eq, Ord, Read, Show, Generic, Typeable)
instance ToJSON AvsDataCardColor where
toJSON AvsCardColorGrün = "Grün"
toJSON AvsCardColorBlau = "Blau"
toJSON AvsCardColorRot = "Rot"
toJSON AvsCardColorGelb = "Gelb"
toJSON (AvsCardColorMisc t) = String t
instance FromJSON AvsDataCardColor where
parseJSON (String t) = case Text.toLower t of
"grün" -> pure AvsCardColorGrün
"blau" -> pure AvsCardColorBlau
"rot" -> pure AvsCardColorRot
"gelb" -> pure AvsCardColorGelb
_ -> pure $ AvsCardColorMisc t
parseJSON invalid = prependFailure "parsing AvsDataCardColor failed, " (typeMismatch "String" invalid)
data AvsDataPersonCard = AvsDataPersonCard
{ avsDataCardAreas :: Set Char -- logically a set of upper-case letters
, avsDataCardColor :: AvsDataCardColor
, avsDataCardNo :: Text -- always 8 digits
, avsDataVersionNo :: Text
, avsDataValid :: Bool -- unfortunately, AVS encodes Booleans as JSON String "true" and "false" and not as JSON Booleans
-- only the above are contained in AvsResponseStatus
, avsDataValidTo :: Maybe Day
, avsDataIssueDate :: Maybe Day
, avsDataFirm :: Maybe Text
, avsDataCity :: Maybe Text
, avsDataStreet :: Maybe Text
, avsDataPostalCode:: Maybe Text
}
deriving (Eq, Ord, Read, Show, Generic, Typeable)
{- Instead of programming entirely by hand, why not dump splices and adjust? -}
instance FromJSON AvsDataPersonCard where
parseJSON = withObject "AvsDataPersonCard" $ \v -> AvsDataPersonCard
<$> ((v .: "CardAreas") <&> charSet)
<*> v .: "CardColor"
<*> v .: "CardNo"
<*> v .: "VersionNo"
<*> ((v .: "Valid") <&> sloppyBool)
<*> v .:? "ValidTo"
<*> v .:? "IssueDate"
<*> v .:? "Firm"
<*> v .:? "City"
<*> v .:? "Street"
<*> v .:? "PostalCode"
instance ToJSON AvsDataPersonCard where
toJSON AvsDataPersonCard{..} = object
[ "CardAreas" .= Set.foldl Text.snoc Text.empty avsDataCardAreas
, "CardColor" .= avsDataCardColor
, "CardNo" .= avsDataCardNo
, "VersionNo" .= avsDataVersionNo
, "Valid" .= show avsDataValid
, "ValidTo" .= avsDataValidTo
, "IssueDate" .= avsDataIssueDate
, "Firm" .= avsDataFirm
, "City" .= avsDataCity
, "Street" .= avsDataStreet
, "PostalCode" .= avsDataPostalCode
]
data AvsStatusPerson = AvsStatusPerson
{ avsStatusPersonID :: AvsPersonId
, avsStatusPersonCardStatus :: Set AvsDataPersonCard
}
deriving (Eq, Ord, Read, Show, Generic, Typeable)
deriveJSON defaultOptions
{ fieldLabelModifier = \case { "avsStatusPersonCardStatus" -> "personCardStatus"; others -> dropCamel 2 others }
, omitNothingFields = True
, tagSingleConstructors = False
, rejectUnknownFields = False
} ''AvsStatusPerson
data AvsDataPerson = AvsDataPerson
{ avsPersonFirstName :: Text
, avsPersonLastName :: Text
, avsPersonInternalPersonalNo :: Maybe Text -- Fraport Personalnummer
, avsPersonPersonNo :: AvsPersonId -- AVS Personennummer
, avsPersonPersonID :: AvsPersonId -- Eindeutige PersonenID, wichtig für die Schnittstelle!
, avsPersonPersonCards :: Set AvsDataPersonCard
}
deriving (Eq, Ord, Read, Show, Generic, Typeable)
deriveJSON defaultOptions
{ fieldLabelModifier = \case { "avsPersonPersonCards" -> "personCards"; others -> dropCamel 2 others }
, omitNothingFields = True
, tagSingleConstructors = False
, rejectUnknownFields = False
} ''AvsDataPerson
--------------
-- Responses --
---------------
newtype AvsResponseStatus = AvsResponseStatus (Set AvsStatusPerson)
deriving (Eq, Ord, Read, Show, Generic, Typeable)
deriveJSON defaultOptions
{ fieldLabelModifier = dropCamel 2
, omitNothingFields = True
, tagSingleConstructors = False
, rejectUnknownFields = False
} ''AvsResponseStatus
newtype AvsResponsePerson = AvsResponsePerson (Set AvsDataPerson)
deriving (Eq, Ord, Read, Show, Generic, Typeable)
deriveJSON defaultOptions
{ fieldLabelModifier = dropCamel 2
, omitNothingFields = True
, tagSingleConstructors = False
, rejectUnknownFields = False
} ''AvsResponsePerson
-------------
-- Queries --
-------------
data AvsQueryPerson = AvsQueryPerson
{ avsPersonQueryCardNo :: Maybe Text
, avsPersonQueryFirstName :: Maybe Text
, avsPersonQueryLastName :: Maybe Text
, avsPersonQueryInternalPersonalNo :: Maybe Text
, avsPersonQueryVersionNo :: Maybe Text
}
deriving (Eq, Ord, Read, Show, Generic, Typeable)
instance Default AvsQueryPerson where
def = AvsQueryPerson Nothing Nothing Nothing Nothing Nothing
deriveJSON defaultOptions
{ fieldLabelModifier = dropCamel 3
, omitNothingFields = True
, tagSingleConstructors = False
, rejectUnknownFields = False
} ''AvsQueryPerson
newtype AvsQueryStatus = AvsQueryStatus (Set AvsPersonId)
deriving (Eq, Ord, Read, Show, Generic, Typeable)
deriveJSON defaultOptions ''AvsQueryStatus
import Model.Types.Avs
-------------

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@ -2,10 +2,8 @@ module Utils.TypesSpec where
import TestImport
import Utils.Avs
instance Arbitrary AvsDataCardColor where
instance Arbitrary AvsDataCardColor where
arbitrary = genericArbitrary
shrink = genericShrink
@ -41,6 +39,8 @@ instance Arbitrary AvsQueryPerson where
spec :: Spec
spec = do
parallel $ do
lawsCheckHspec (Proxy @AvsDataPersonCard)
[ eqLaws, ordLaws, showLaws, showReadLaws, jsonLaws ]
lawsCheckHspec (Proxy @AvsResponsePerson)
[ eqLaws, showLaws, showReadLaws, jsonLaws]
lawsCheckHspec (Proxy @AvsResponseStatus)
@ -49,3 +49,23 @@ spec = do
[ eqLaws, showLaws, showReadLaws, jsonLaws]
lawsCheckHspec (Proxy @AvsQueryStatus)
[ eqLaws, showLaws, showReadLaws, jsonLaws]
describe "Ord AvsDataCard" $ do
it "prioritises avsDataValid" . property $
\p0 p1@AvsDataPersonCard{avsDataValid=v1} ->
let p2@AvsDataPersonCard{avsDataValid=v2} = p0 in
(v1 /= v2) ==> compare p1 p2 == compare v1 v2
it "prioritises avsDataValidTo after avsDataValid" . property $
\p0 p1@AvsDataPersonCard{avsDataValid=v1, avsDataValidTo=t1} ->
let p2@AvsDataPersonCard{avsDataValidTo=t2} = p0{avsDataValid=v1} in
(t1 /= t2) ==> compare p1 p2 == compare t1 t2
it "prioritises avsDataIssueDate after avsDataValid and avsDataValidTo" . property $
\p0 p1@AvsDataPersonCard{avsDataValid=v1, avsDataValidTo=t1, avsDataIssueDate=d1} ->
let p2@AvsDataPersonCard{avsDataIssueDate=d2} = p0{avsDataValid=v1, avsDataValidTo=t1} in
(d1 /= d2) ==> compare p1 p2 == compare d1 d2
{- naive implementations discards too many tests in order to produce a meaningful result:
it "prioritises avsDataIssueDate after avsDataValid and avsDataValidTo" . property $
\p1@AvsDataPersonCard{avsDataValid=v1, avsDataValidTo=t1, avsDataIssueDate=d1}
p2@AvsDataPersonCard{avsDataValid=v2, avsDataValidTo=t2, avsDataIssueDate=d2} ->
(v1 == v2 && t1 == t2 && d1 /= d2) ==> compare p1 p2 == compare d1 d2
-}