Class: ODDB::MedData::Session

Inherits:
HttpSession
  • Object
show all
Defined in:
ext/meddata/src/session.rb

Constant Summary collapse

FORM_KEYS = 
{
	:partner => [
		[:name,	'txtSearchName'],
		[:country, 'ddlSearchCountry'],
		[:plz, 'txtSearchZIP'],
		[:city,	'txtSearchCity'],
		[:state, 'ddlSearchStates'],
		[:functions, 'ddlSearchFunctions'],
		[:ean,	'txtSearchEAN'],
	],
	:product => [
		[:name,	'txtSearchProductName'],
		[:ean,	'txtSearchEAN'],
		[:pharmacode, 'txtSearchPharmacode'],
		[:company,	'txtSearchProducer'],
	],
	:refdata => [
		[:name,	'txtSearchProductName'],
		[:ean,	'txtSearchEAN'],
		[:company,	'txtSearchProducer'],
	],
}
HTTP_PATHS = 
{
	:partner =>	'/refdata_wa_medwin/frmSearchPartner.aspx?lang=de',
	:product =>	'/refdata_wa_medwin/frmSearchProduct.aspx?lang=de',
	:refdata => '/refdata_wa/frmSearchProduct.aspx?lang=de'
}
DETAIL_KEYS = 
{
	:partner => "DgMedwinPartner",
	:product => "DgMedrefProduct",
	:refdata => "DgMedrefProduct",
}
SERVERS = 
{
	:partner	=>	'www.medwin.ch',
	:product	=>	'www.medwin.ch',
	:refdata	=>	'www.refdata.ch',
}

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(search_type = :partner, server = ) ⇒ Session

Returns a new instance of Session.



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# File 'ext/meddata/src/session.rb', line 52

def initialize(search_type=:partner, server=SERVERS[search_type])
	@http_path = HTTP_PATHS[search_type]
	@form_keys = FORM_KEYS[search_type]
	@detail_key = DETAIL_KEYS[search_type]
	super(server)
   resp = get '/'
   resp = get @http_path
	handle_resp!(resp)
 rescue Timeout::Error => err
   err.message << " - #{server} is not responding"
   raise err
end

Instance Attribute Details

#detail_key ⇒ Object

Returns the value of attribute detail_key.



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# File 'ext/meddata/src/session.rb', line 51

def detail_key
  @detail_key
end

#form_keys ⇒ Object

Returns the value of attribute form_keys.



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# File 'ext/meddata/src/session.rb', line 51

def form_keys
  @form_keys
end

#http_path ⇒ Object

Returns the value of attribute http_path.



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# File 'ext/meddata/src/session.rb', line 51

def http_path
  @http_path
end

Instance Method Details

#detail_html(ctl) ⇒ Object 



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# File 'ext/meddata/src/session.rb', line 64

def detail_html(ctl)
	hash = post_hash({}, ctl)
	tries = 3
	begin
		resp = post(@http_path, hash)
		resp.body
	rescue Errno::ECONNRESET
		if(tries > 0)
			tries -= 1
			sleep(3 - tries)
			retry
		else
			raise
		end
	end
end

#get_result_list(criteria) ⇒ Object 



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# File 'ext/meddata/src/session.rb', line 95

def get_result_list(criteria)
	hash = post_hash(criteria)
	resp = post(self.http_path, hash)
	@viewstate = handle_resp!(resp)
	resp.body
 rescue Errno::ENETUNREACH
   retries ||= 3
   if retries > 0
     retries -= 1
     sleep 60 # wait a minute for the network to recover
     retry
   else
     raise
   end
 rescue RuntimeError => err
   if /InternalServerError/u.match err.message
     require 'pp'
     puts "error for criteria: #{criteria.pretty_inspect}"
     puts "... post_data: #{hash.pretty_inspect}"
     retries ||= 3
     if retries > 0
       retries -= 1
       sleep 600 # wait 10 minutes for the server to recover
       retry
     else
       raise
     end
   else
     raise
   end
end

#handle_resp!(resp) ⇒ Object 



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# File 'ext/meddata/src/session.rb', line 80

def handle_resp!(resp)
	@cookie_header = resp["set-cookie"]
   body = resp.body
   if(match = /VIEWSTATE.*?value="([^"]+)"/u.match(body))
     @viewstate = match[1]
   else
     @viewstate = nil
   end
   if(match = /EVENTVALIDATION.*?value="([^"]+)"/u.match(body))
     @eventvalidation = match[1]
   else
     @eventvalidation = nil
   end
	@viewstate
end

#post_hash(criteria, ctl = nil) ⇒ Object 



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# File 'ext/meddata/src/session.rb', line 126

def post_hash(criteria, ctl=nil)
	data = if(ctl)
		[['__EVENTTARGET',
			"#@detail_key:#{ctl}:ctl00"],
			['__EVENTARGUMENT',	''],
		]
	else
		[
			['__EVENTTARGET',	''],
			['__EVENTARGUMENT',	''],
	    ['btnSearch',	'Suche'],
		]
	end
	if(@viewstate)
		data.push(['__VIEWSTATE', @viewstate])
	end
   if @eventvalidation
		data.push(['__EVENTVALIDATION', @eventvalidation])
   end
	@form_keys.each { |key, new_key|
		if(val = criteria[key])
			data.push([new_key, CGI.escape(val).tr('+', ' ')])
		end
	}
	data.push(['hiddenlang',	'de'])
	data
end

#post_headers ⇒ Object 



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# File 'ext/meddata/src/session.rb', line 153

def post_headers
	headers = super
	if(@cookie_header)
		headers.push(['Cookie', @cookie_header])
	end
	headers
end