Class: Jeql::GraphqlBlock

Inherits:
Liquid::Block
  • Object
show all
Defined in:
lib/jeql/graphql_block.rb

Constant Summary collapse

GraphQlError = 
Class.new(Jekyll::Errors::FatalException)
PARAMS_SYNTAX = 
/(\w+):\s*['"](\w+)['"],?/

Instance Method Summary collapse

Constructor Details

#initialize(tag_name, text, tokens) ⇒ GraphqlBlock

Returns a new instance of GraphqlBlock.



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# File 'lib/jeql/graphql_block.rb', line 5

def initialize(tag_name, text, tokens)
  super
  @params = text.scan(PARAMS_SYNTAX)
  @text = text
end

Instance Method Details

#render(context) ⇒ Object 



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# File 'lib/jeql/graphql_block.rb', line 11

def render(context)
  hash_params = Hash[@params]

  endpoint_config = context.registers[:site].config["jeql"][hash_params["endpoint"]]
  query = Jeql::Query.new(hash_params["query"], context.registers[:site].config["source"], endpoint_config)
  if query.response.success?
    context['data'] = JSON.parse(query.response.body)['data']
    super
  else
    raise GraphQlError, "The query #{query.query_name} failed"
  end
end