Imm.Database.JsonFile

Implementation of Imm.Database based on a JSON file.

Documentation

data JsonFileDatabase t

Instances

(Table t, FromJSON (Key t), FromJSON (Entry t), ToJSON (Key t), ToJSON (Entry t)) => MonadDatabase t (ReaderT * (MVar (JsonFileDatabase t)) IO)

Methods

_describeDatabase :: t -> ReaderT * (MVar (JsonFileDatabase t)) IO (Doc a)

_fetchList :: t -> [Key t] -> ReaderT * (MVar (JsonFileDatabase t)) IO (Map (Key t) (Entry t))

_fetchAll :: t -> ReaderT * (MVar (JsonFileDatabase t)) IO (Map (Key t) (Entry t))

_update :: t -> Key t -> (Entry t -> Entry t) -> ReaderT * (MVar (JsonFileDatabase t)) IO ()

_insertList :: t -> [(Key t, Entry t)] -> ReaderT * (MVar (JsonFileDatabase t)) IO ()

_deleteList :: t -> [Key t] -> ReaderT * (MVar (JsonFileDatabase t)) IO ()

_purge :: t -> ReaderT * (MVar (JsonFileDatabase t)) IO ()

_commit :: t -> ReaderT * (MVar (JsonFileDatabase t)) IO ()

Pretty (JsonFileDatabase t)

Methods

pretty :: JsonFileDatabase t -> Doc ann

prettyList :: [JsonFileDatabase t] -> Doc ann

mkJsonFileDatabase :: Table t => FilePath -> JsonFileDatabase t

defaultDatabase :: Table t => IO (MVar (JsonFileDatabase t))

Default database is stored in $XDG_CONFIG_HOME/imm/feeds.json

data JsonException

Constructors

UnableDecode

Instances

Eq JsonException

Methods

(==) :: JsonException -> JsonException -> Bool

(/=) :: JsonException -> JsonException -> Bool

Show JsonException

Methods

showsPrec :: Int -> JsonException -> ShowS

show :: JsonException -> String

showList :: [JsonException] -> ShowS

Exception JsonException

Methods

toException :: JsonException -> SomeException

fromException :: SomeException -> Maybe JsonException

displayException :: JsonException -> String

module Imm.Database.FeedTable