Class: EvergreenHoldings::Connection

Inherits:
Object
  • Object
show all
Defined in:
lib/evergreen_holdings.rb

Instance Method Summary collapse

Constructor Details

#initialize(evergreen_domain) ⇒ Connection

Create a new object with the evergreen_domain specified, e.g. libcat.linnbenton.edu

Usage: ‘conn = EvergreenHoldings::Connection.new ’gapines.org’‘



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# File 'lib/evergreen_holdings.rb', line 13

def initialize evergreen_domain
    @gateway = URI evergreen_domain+OSRF_PATH
    unless fetch_statuses
        raise CouldNotConnectToEvergreenError
    end
end

Instance Method Details

#get_holdings(tcn, options = {}) ⇒ Object

Fetch holdings data from the Evergreen server Returns a Status object

Usage: ‘stat = conn.get_holdings 23405` If you just want holdings at a specific org_unit: `my_connection.get_holdings 23405, org_unit: 5`



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# File 'lib/evergreen_holdings.rb', line 25

def get_holdings tcn, options = {}
    if options.key?(:org_unit)
        params = "format=json&input_format=json&service=open-ils.cat&method=open-ils.cat.asset.copy_tree.retrieve&param=auth_token_not_needed_for_this_call&param=#{tcn}&param=#{options[:org_unit]}"
    else
        params = "format=json&input_format=json&service=open-ils.cat&method=open-ils.cat.asset.copy_tree.global.retrieve&param=auth_token_not_needed_for_this_call&param=#{tcn}"
    end
    @gateway.query = params

    res = Net::HTTP.get_response(@gateway)
    return Status.new res.body, self if res.is_a?(Net::HTTPSuccess)
end

#location_name(id) ⇒ Object 



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# File 'lib/evergreen_holdings.rb', line 37

def location_name id
    params = "format=json&input_format=json&service=open-ils.circ&method=open-ils.circ.copy_location.retrieve&param=#{id}"
    @gateway.query = params
    res = Net::HTTP.get_response(@gateway)
    if res.is_a? Net::HTTPSuccess
        data = JSON.parse(res.body)['payload'][0]
        unless data.key? 'stacktrace'
            return data['__p'][4]
        end
    end
    return id
end

#status_name(id) ⇒ Object 



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# File 'lib/evergreen_holdings.rb', line 50

def status_name id
    return @possible_item_statuses[id]
end