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module CouchPotato
module View
# Used to query views (and create them if they don't exist). Usually you won't have to use this class directly. Instead it is used internally by the CouchPotato::Database.view method.
class ViewQuery
def initialize(couchrest_database, design_document_name, view_name, map_function, reduce_function = nil)
@database = couchrest_database
@design_document_name = design_document_name
@view_name = view_name
@map_function = map_function
@reduce_function = reduce_function
end
def query_view!(parameters = {})
begin
query_view parameters
rescue RestClient::ResourceNotFound# => e
create_view
retry
end
end
private
def create_view
design_doc = @database.get "_design/#{@design_document_name}" rescue nil
design_doc ||= {'views' => {}, "_id" => "_design/#{@design_document_name}"}
design_doc['views'][@view_name.to_s] = {
'map' => @map_function,
'reduce' => @reduce_function
}
@database.save_doc(design_doc)
end
def query_view(parameters)
@database.view view_url, parameters
end
def view_url
"#{@design_document_name}/#{@view_name}"
end
end
end
end
Version data entries
11 entries across 11 versions & 4 rubygems