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# = Reports::ReportPersistance
#
# service that stores reports (Reports::ReportConent), and provides access in various formats
#
class Reports::ReportPersistance
# lists all stored report ID-s of a certain type
#
# call-seq:
# list_reports(type) => Array
#
def list_reports(type, filter_params)
raise "not implemented"
end
# stores content of a report (Reports::ReportContent) and returns id
#
# call-seq:
# new_report(report_content) => string
#
def new_report(report_content)
raise "not implemented"
end
# returns a already created report (file path on server) in a certain format (converts to this format if it does not exist yet)
#
# call-seq:
# get_report(type, id, format) => string
#
def get_report(type, id, format, force_formating, params)
raise "not implemented"
end
# returns file path on server of a resource (i.e. image) of a report
#
# call-seq:
# get_report_resource(type, id, resource) => string
#
def get_report_resource(type, id, resource)
raise "not implemented"
end
# deletes a report
# * returns true if deleting successfull
# * returns false if report not found
# * raises exception if error occurs
#
# call-seq:
# delete_report(type, id) => boolean
#
def delete_report(type, id)
raise "not implemented"
end
# raises exception if not valid id format
def check_report_id_format(id)
raise "not implemented"
end
end
# = Reports::FileReportPersistance
#
# type of Reports::ReportPersistance, stores reports in file-system, see Reports::ReportPersistance for API documentation
#
class Reports::FileReportPersistance < Reports::ReportPersistance
def initialize()
raise "pls specify report-directory (:reports -> :report_dir) in config file" unless @@config[:reports] and @@config[:reports][:report_dir]
@report_dir = @@config[:reports][:report_dir]
FileUtils.mkdir @report_dir.to_s unless File.directory?(@report_dir)
raise "report cannot be found nor created" unless File.directory?(@report_dir)
LOGGER.debug "reports are stored in "+@report_dir.to_s
end
def list_reports(type, filter_params=nil)
raise "filter params not supported" if filter_params
(Dir.new(type_directory(type)).entries - [".", ".."]).sort{|x,y| x.to_i <=> y.to_i}
end
def get_report(type, id, format, force_formating, params)
report_dir = report_directory(type, id)
raise_report_not_found(type, id) unless File.directory?(report_dir)
filename = "report."+Reports::ReportFormat.get_filename_extension(format)
file_path = report_dir+"/"+filename
return file_path if File.exist?(file_path) && !force_formating
Reports::ReportFormat.format_report(report_dir, "report.xml", filename, format, force_formating, params)
raise "formated file not found '"+file_path+"'" unless File.exist?(file_path)
return file_path
end
def get_report_resource(type, id, resource)
report_dir = report_directory(type, id)
raise_report_not_found(type, id) unless File.directory?(report_dir)
file_path = report_dir+"/"+resource.to_s
raise Reports::NotFound.new("resource not found, resource: '"+resource.to_s+"', type:'"+type.to_s+"', id:'"+id.to_s+"'") unless File.exist?(file_path)
return file_path
end
def delete_report(type, id)
report_dir = report_directory(type, id)
raise_report_not_found(type, id) unless File.directory?(report_dir)
entries = (Dir.new(report_dir).entries-[".", ".."]).collect{|f| report_dir+"/"+f.to_s}
FileUtils.rm(entries)
FileUtils.rmdir report_dir
raise "could not delete report directory '"+report_dir+"'" if File.directory?(report_dir)
return true
end
def check_report_id_format(id)
raise "not valid report id format" unless id.to_s =~ /[0-9]+/
end
def new_report(report_content, type, meta_data=nil, uri_provider=nil)
new_report_with_id(report_content, type)
end
protected
def new_report_with_id(report_content, type, force_id=nil)
LOGGER.debug "storing new report of type "+type.to_s
type_dir = type_directory(type)
raise "type dir '"+type_dir+"' cannot be found nor created" unless File.directory?(type_dir)
if (force_id==nil)
id = 1
while File.exist?( type_dir+"/"+id.to_s )
id += 1
end
else
raise "report with id '"+force_id.to_s+"' already exists, file system not consistent with db" if File.exist?( type_dir+"/"+force_id.to_s )
id = force_id
end
report_dir = type_dir+"/"+id.to_s
FileUtils.mkdir(report_dir)
raise "report dir '"+report_dir+"' cannot be created" unless File.directory?(report_dir)
xml_filename = report_dir+"/report.xml"
xml_file = File.new(xml_filename, "w")
report_content.xml_report.write_to(xml_file, id)
xml_file.close
if (report_content.tmp_files)
report_content.tmp_files.each do |k,v|
tmp_filename = report_dir+"/"+k
raise "tmp-file '"+tmp_filename.to_s+"' already exists" if File.exist?(tmp_filename)
raise "tmp-file '"+v.to_s+"' not found" unless File.exist?(v)
FileUtils.mv(v.to_s,tmp_filename)
raise "could not move tmp-file to '"+tmp_filename.to_s+"'" unless File.exist?(tmp_filename)
end
end
return id
end
private
def raise_report_not_found(type, id)
raise Reports::NotFound.new("report not found, type:'"+type.to_s+"', id:'"+id.to_s+"'")
end
def type_directory(type)
dir = @report_dir+"/"+type
FileUtils.mkdir dir.to_s unless (File.directory?(dir))
return dir
end
def report_directory(type, id)
type_dir = type_directory(type)
raise "type dir '"+type_dir+"' cannot be found nor created" unless File.directory?(type_dir)
return type_dir+"/"+id.to_s
end
end
module Reports
class ReportData < ActiveRecord::Base
include Lib::RDFProvider
def get_content_as_hash
map = {}
map[:created_at] = created_at
map[:report_uri] = report_uri
map[:report_type] = report_type
map[:validation_uris] = validation_uris
map[:crossvalidation_uris] = crossvalidation_uris
map[:algorithm_uris] = algorithm_uris
map[:model_uris] = model_uris
map
end
def rdf_title
"ValidationReport"
end
def uri
report_uri
end
LITERALS = [ :created_at, :report_type ]
LITERAL_NAMES = {:created_at => OT["date"] }
OBJECT_PROPERTIES = { :crossvalidation_uris => OT['reportCrossvalidation'], :algorithm_uris => OT['reportAlgorithm'],
:validation_uris => OT['reportValidation'], :model_uris => OT['reportModel'] }
OBJECTS = { :crossvalidation_uris => OT['Crossvalidation'], :algorithm_uris => OT['Algorithm'],
:validation_uris => OT['Validation'], :model_uris => OT['Model'] }
CLASSES = {}
IGNORE = [ :id, :report_uri ]
serialize :validation_uris
serialize :crossvalidation_uris
serialize :algorithm_uris
serialize :model_uris
end
class ExtendedFileReportPersistance < FileReportPersistance
def new_report(report_content, type, meta_data, uri_provider)
raise "report meta data missing" unless meta_data
report = ReportData.new(meta_data)
report.save #to set id
report.attributes = { :report_type => type, :report_uri => uri_provider.get_uri(type, report.id) }
report.save
new_report_with_id(report_content, type, report.id)
end
def list_reports(type, filter_params=nil)
filter_params = {} unless filter_params
filter_params.each{ |k,v| raise Reports::BadRequest.new("no report-attribute: "+k.to_s) unless ReportData.column_names.include?(k.gsub(/_like$/,"")) }
filter_params[:report_type] = type
ReportData.find(:all, :conditions => filter_params).collect{ |r| r.id }
end
def get_report(type, id, format, force_formating, params)
begin
report = ReportData.find(:first, :conditions => {:id => id, :report_type => type})
rescue ActiveRecord::RecordNotFound
raise Reports::NotFound.new("Report with id='"+id.to_s+"' and type='"+type.to_s+"' not found.")
end
case format
when "application/rdf+xml"
report.to_rdf
when "application/x-yaml"
report.to_yaml
else
super
end
end
def delete_report(type, id)
begin
report = ReportData.find(:first, :conditions => {:id => id, :report_type => type})
rescue ActiveRecord::RecordNotFound
raise Reports::NotFound.new("Report with id='"+id.to_s+"' and type='"+type.to_s+"' not found.")
end
ReportData.delete(id)
super
end
end
end
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