Follow.Parser

This module contains FromJSON instances in order to be able to parse Follow types up to a Recipe from a yaml or json text.

You can use decode functions in Data.Yaml in order to do the parsing.

For time fields, any format accepted by parseTimeGuess is accepted.

Orphan instances

FromJSON Middleware

  type: decode
  options:
    encoding: # See Encoding instance
 

or

  type: sort
  options:
    function: # See ComparisonInstance instance
 

or

  type: filter
  options:
    operation: # See Predicate instance
 

Methods

parseJSON :: Value -> Parser Middleware

parseJSONList :: Value -> Parser [Middleware]

FromJSON Subject

  title: Title
  description: Description
  tags: [tag_1, tag_2]
  

Methods

parseJSON :: Value -> Parser Subject

parseJSONList :: Value -> Parser [Subject]

FromJSON ComparisonFunction

  type: by_field
  options:
    field: title
  

Methods

parseJSON :: Value -> Parser ComparisonFunction

parseJSONList :: Value -> Parser [ComparisonFunction]

FromJSON Predicate

  type: equal
  options:
    field: title
    value: Title
  

or

  type: less
  options:
    field: publish_date
    value: 2018-08-08 00:00:00
  

or

  type: greater
  options:
    field: publish_date
    value: 2018-08-08 00:00:00
  

or

  type: infix
  options:
    field: title
    value: something
  

or

  type: prefix
  options:
    field: title
    value: The
  

or

  type: suffix
  options:
    field: title
    value: end
  

or

  type: not
  options:
    operator: # See Predicate instance
  

or

  type: and
  options:
    operator1: # See Predicate instance
    operator2: # See Predicate instance
  

or

  type: or
  options:
    operator1: # See Predicate instance
    operator2: # See Predicate instance
  

Methods

parseJSON :: Value -> Parser Predicate

parseJSONList :: Value -> Parser [Predicate]

FromJSON Encoding

utf8, utf16le, utf16be, utf32le or utf32be

Methods

parseJSON :: Value -> Parser Encoding

parseJSONList :: Value -> Parser [Encoding]

FromJSON SelectorItem

  type: text
  options:
    css: .selector
  

or

  type: attr
  options:
    css: .link
    name: href
  

Methods

parseJSON :: Value -> Parser SelectorItem

parseJSONList :: Value -> Parser [SelectorItem]

FromJSON Selector

  uri: # See SelectorItem instance
  title: null
  description: null
  guid: null
  author: null
  publish_date: null
 

Methods

parseJSON :: Value -> Parser Selector

parseJSONList :: Value -> Parser [Selector]

(MonadThrow m, MonadHttp m) => FromJSON (Recipe m)

  subject: # See Subject instance
  steps:
    -
      - # See Fetched instance
      -
        - # See Middleware instance
  middlewares:"
    - # See Middleware instance
 

Methods

parseJSON :: Value -> Parser (Recipe m)

parseJSONList :: Value -> Parser [Recipe m]

(MonadThrow m, MonadHttp m) => FromJSON (Fetched m)

  type: feed
  options:
    url: http://someurl.com
  

or

  type: webscraping
  options:
    url: http://someurl.com
    selector: # See Selector instance
  

Methods

parseJSON :: Value -> Parser (Fetched m)

parseJSONList :: Value -> Parser [Fetched m]