Copyright	(c) James M.C. Haver II 2016
License	BSD3
Safe Haskell	None
Language	Haskell2010

Web.Yahoo.Finance.YQL

Contents

Fetch Stock Quotes
Types

Description

This module contains methods for accessing the Yahoo Finance YQL APIs.

Synopsis

Fetch Stock Quotes

getQuotes :: YQLQuery -> ClientM YQLResponse #

General client API to access Yahoo financial data. Quotes are returned in the order they are queried.

yahooFinanceJsonBaseUrl :: BaseUrl #

BaseUrl for the Yahoo Finance YQL API. This represents https://finance.yahoo.com.

Types

data YQLQuery #

Query for yahoo finance api.

Constructors

YQLQuery
Fields yqlQuery :: [StockSymbol]

Instances

Eq YQLQuery #
Methods (==) :: YQLQuery -> YQLQuery -> Bool # (/=) :: YQLQuery -> YQLQuery -> Bool #
Show YQLQuery #
Methods showsPrec :: Int -> YQLQuery -> ShowS # show :: YQLQuery -> String # showList :: [YQLQuery] -> ShowS #
Generic YQLQuery #
Associated Types type Rep YQLQuery :: * -> * # Methods from :: YQLQuery -> Rep YQLQuery x # to :: Rep YQLQuery x -> YQLQuery #
ToHttpApiData YQLQuery #	Automate a simple YQL query. `>>>` `toUrlPiece $ YQLQuery [StockSymbol "GOOG", StockSymbol "YHOO"]`"select * from yahoo.finance.quotes where symbol in (\"GOOG\",\"YHOO\")"
Methods toUrlPiece :: YQLQuery -> Text # toEncodedUrlPiece :: YQLQuery -> Builder # toHeader :: YQLQuery -> ByteString # toQueryParam :: YQLQuery -> Text #
type Rep YQLQuery #
type Rep YQLQuery = D1 * (MetaData "YQLQuery" "Web.Yahoo.Finance.YQL.Internal.Types" "yahoo-finance-api-0.2.0.3-1aRtwExPqA4ZnMS0rpixX" False) (C1 * (MetaCons "YQLQuery" PrefixI True) (S1 * (MetaSel (Just Symbol "yqlQuery") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 * [StockSymbol])))

newtype StockSymbol #

Use this type to encode toUrlPiece or toText (depending on Servant version) for queries.

Constructors

StockSymbol
Fields unStockSymbol :: Text

Instances

Eq StockSymbol #
Methods (==) :: StockSymbol -> StockSymbol -> Bool # (/=) :: StockSymbol -> StockSymbol -> Bool #
Ord StockSymbol #
Methods compare :: StockSymbol -> StockSymbol -> Ordering # (<) :: StockSymbol -> StockSymbol -> Bool # (<=) :: StockSymbol -> StockSymbol -> Bool # (>) :: StockSymbol -> StockSymbol -> Bool # (>=) :: StockSymbol -> StockSymbol -> Bool # max :: StockSymbol -> StockSymbol -> StockSymbol # min :: StockSymbol -> StockSymbol -> StockSymbol #
Show StockSymbol #
Methods showsPrec :: Int -> StockSymbol -> ShowS # show :: StockSymbol -> String # showList :: [StockSymbol] -> ShowS #
Generic StockSymbol #
Associated Types type Rep StockSymbol :: * -> * # Methods from :: StockSymbol -> Rep StockSymbol x # to :: Rep StockSymbol x -> StockSymbol #
ToHttpApiData StockSymbol #	Surround `StockSymbol` with double quotes. `>>>` `toUrlPiece (StockSymbol "GOOG")`"\"GOOG\""
Methods toUrlPiece :: StockSymbol -> Text # toEncodedUrlPiece :: StockSymbol -> Builder # toHeader :: StockSymbol -> ByteString # toQueryParam :: StockSymbol -> Text #
ToHttpApiData [StockSymbol] #	Connect separate `StockSymbol`s with a comma. `>>>` `toUrlPiece ([StockSymbol "GOOG", StockSymbol "YHOO", StockSymbol "GSPC"] :: [StockSymbol])`"\"GOOG\",\"YHOO\",\"GSPC\""
Methods toUrlPiece :: [StockSymbol] -> Text # toEncodedUrlPiece :: [StockSymbol] -> Builder # toHeader :: [StockSymbol] -> ByteString # toQueryParam :: [StockSymbol] -> Text #
type Rep StockSymbol #
type Rep StockSymbol = D1 * (MetaData "StockSymbol" "Web.Yahoo.Finance.YQL.Internal.Types" "yahoo-finance-api-0.2.0.3-1aRtwExPqA4ZnMS0rpixX" True) (C1 * (MetaCons "StockSymbol" PrefixI True) (S1 * (MetaSel (Just Symbol "unStockSymbol") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 * Text)))

data YQLResponse #

Response from a YQL query.

Constructors

YQLResponse
Fields responseCount :: Int responseCreated :: UTCTime responseLang :: Text responseQuotes :: [Maybe Quote]

Instances

Eq YQLResponse #
Methods (==) :: YQLResponse -> YQLResponse -> Bool # (/=) :: YQLResponse -> YQLResponse -> Bool #
Read YQLResponse #
Methods readsPrec :: Int -> ReadS YQLResponse # readList :: ReadS [YQLResponse] # readPrec :: ReadPrec YQLResponse # readListPrec :: ReadPrec [YQLResponse] #
Show YQLResponse #
Methods showsPrec :: Int -> YQLResponse -> ShowS # show :: YQLResponse -> String # showList :: [YQLResponse] -> ShowS #
Generic YQLResponse #
Associated Types type Rep YQLResponse :: * -> * # Methods from :: YQLResponse -> Rep YQLResponse x # to :: Rep YQLResponse x -> YQLResponse #
FromJSON YQLResponse #
Methods parseJSON :: Value -> Parser YQLResponse # parseJSONList :: Value -> Parser [YQLResponse] #
type Rep YQLResponse #
type Rep YQLResponse = D1 * (MetaData "YQLResponse" "Web.Yahoo.Finance.YQL.Internal.Types" "yahoo-finance-api-0.2.0.3-1aRtwExPqA4ZnMS0rpixX" False) (C1 * (MetaCons "YQLResponse" PrefixI True) ((::) ((::) (S1 * (MetaSel (Just Symbol "responseCount") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 * Int)) (S1 * (MetaSel (Just Symbol "responseCreated") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 * UTCTime))) ((::) (S1 * (MetaSel (Just Symbol "responseLang") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 * Text)) (S1 * (MetaSel (Just Symbol "responseQuotes") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 * [Maybe Quote])))))

data Quote #

Quote data received from YQL.

Constructors

Quote
Fields quoteAverageDailyVolume :: Text quoteChange :: Text quoteDaysLow :: Text quoteDaysHigh :: Text quoteYearLow :: Text quoteYearHigh :: Text quoteMarketCapitalization :: Text quoteLastTradePriceOnly :: Text quoteDaysRange :: Text quoteName :: Text quoteSymbol :: Text quoteVolume :: Text quoteStockExchange :: Text

Instances

Eq Quote #
Methods (==) :: Quote -> Quote -> Bool # (/=) :: Quote -> Quote -> Bool #
Read Quote #
Methods readsPrec :: Int -> ReadS Quote # readList :: ReadS [Quote] # readPrec :: ReadPrec Quote # readListPrec :: ReadPrec [Quote] #
Show Quote #
Methods showsPrec :: Int -> Quote -> ShowS # show :: Quote -> String # showList :: [Quote] -> ShowS #
Generic Quote #
Associated Types type Rep Quote :: * -> * # Methods from :: Quote -> Rep Quote x # to :: Rep Quote x -> Quote #
FromJSON Quote #
Methods parseJSON :: Value -> Parser Quote # parseJSONList :: Value -> Parser [Quote] #
type Rep Quote #
type Rep Quote = D1 * (MetaData "Quote" "Web.Yahoo.Finance.YQL.Internal.Types" "yahoo-finance-api-0.2.0.3-1aRtwExPqA4ZnMS0rpixX" False) (C1 * (MetaCons "Quote" PrefixI True) ((::) ((::) ((::) (S1 * (MetaSel (Just Symbol "quoteAverageDailyVolume") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 * Text)) ((::) (S1 * (MetaSel (Just Symbol "quoteChange") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 * Text)) (S1 * (MetaSel (Just Symbol "quoteDaysLow") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 * Text)))) ((::) (S1 * (MetaSel (Just Symbol "quoteDaysHigh") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 * Text)) ((::) (S1 * (MetaSel (Just Symbol "quoteYearLow") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 * Text)) (S1 * (MetaSel (Just Symbol "quoteYearHigh") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 * Text))))) ((::) ((::) (S1 * (MetaSel (Just Symbol "quoteMarketCapitalization") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 * Text)) ((::) (S1 * (MetaSel (Just Symbol "quoteLastTradePriceOnly") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 * Text)) (S1 * (MetaSel (Just Symbol "quoteDaysRange") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 * Text)))) ((::) ((::) (S1 * (MetaSel (Just Symbol "quoteName") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 * Text)) (S1 * (MetaSel (Just Symbol "quoteSymbol") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 * Text))) ((::) (S1 * (MetaSel (Just Symbol "quoteVolume") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 * Text)) (S1 * (MetaSel (Just Symbol "quoteStockExchange") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 * Text)))))))