Class: CitySDK::Importer

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(pars) ⇒ Importer

Returns a new instance of Importer.

Raises:



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# File 'lib/citysdk/importer.rb', line 6

def initialize(pars)
  @params = pars
  
  raise Exception.new("Missing :host in Importer parameters.") if @params[:host].nil?
  raise Exception.new("Missing :layername in Importer parameters.") if @params[:layername].nil?
  raise Exception.new("Missing :file_path in Importer parameters.") if @params[:file_path].nil?

  @api = CitySDK::API.new(@params[:host])
  if @params[:email]
    raise Exception.new("Missing :passw in Importer parameters.") if @params[:passw].nil?
    raise Exception.new("Failure to authenticate '#{@params[:email]}' with api.") if not @api.authenticate(@params[:email],@params[:passw])
    @api.release
  end

  @params[:addresslayer] = 'bag.vbo' if @params[:addressleyer].nil?
  @params[:addressfield] = 'postcode_huisnummer' if @params[:addressfield].nil?
  
  @params[:create_type] = 'create' if @params[:create_type].nil?
  # CREATE_TYPE_UPDATE = 'update' 
  # CREATE_TYPE_ROUTES = 'routes'
  # CREATE_TYPE_CREATE = 'create'


  @filereader = FileReader.new(@params)
end

Instance Attribute Details

#api ⇒ Object (readonly)

Returns the value of attribute api.



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# File 'lib/citysdk/importer.rb', line 4

def api
  @api
end

#filereader ⇒ Object (readonly)

Returns the value of attribute filereader.



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# File 'lib/citysdk/importer.rb', line 4

def filereader
  @filereader
end

#params ⇒ Object (readonly)

Returns the value of attribute params.



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# File 'lib/citysdk/importer.rb', line 4

def params
  @params
end

Instance Method Details

#addToAddress(dryrun = false) ⇒ Object

Raises:



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# File 'lib/citysdk/importer.rb', line 220

def addToAddress(dryrun=false)
  failed = []
  if @params[:postcode] and @params[:housenumber]
    begin
      
      @filereader.content.each do |rec|
        row = rec[:properties]
        
        pc = row[@params[:postcode]].to_s
        hn = row[@params[:housenumber]].to_s
        qres = {}
        if not (pc.empty? or hn.empty?)
          pc = pc.downcase.gsub(/[^a-z0-9]/,'')
          hn.scan(/\d+/).reverse.each { |n|
            # puts "/nodes?#{@params[:addresslayer]}::#{@params[:addressfield]}=#{pc + n}"
            qres = @api.get("/nodes?#{@params[:addresslayer]}::#{@params[:addressfield]}=#{pc + n}")
            break if qres[:status]=='success' and qres[:record_count].to_i >= 1
          }
        else
          qres[:status]='nix'
        end
        if qres[:status]=='success' and qres[:results] and qres[:results][0]
          url = '/' + qres[:results][0][:cdk_id] + '/' + @params[:layername]
          n = @api.put(url,{'data'=>filterFields(row)}) if not dryrun
        else
          failed << rec
        end
      end
    rescue => e
      raise e
    ensure
      sign_out
    end
    return failed
  end
  raise Exception.new("Addresses not well defined in dataset.")
end

#doImport(dryrun = false) ⇒ Object 



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# File 'lib/citysdk/importer.rb', line 105

def doImport(dryrun=false)
  result = {
    :updated => 0,
    :created => 0,
    :not_added => 0
  }
  
  failed = nil
  
  if @params[:hasaddress] == 'certain'
    failed = addToAddress(dryrun)
  # elsif @params[:hasaddress] == 'maybe'
  #   failed = addToAddress(dryrun)
  end

  if failed == []
    result[:updated] += @filereader.content.length
    return result
  end

  if failed 
    result[:updated] += (@filereader.content.length - failed.length)
  end
  
  nodes = failed || @filereader.content
  
  count = nodes.length
  
  @api.set_createTemplate(
    {
      :create => {
        :params => { #TODO other create types!!
          :create_type => @params[:create_type],
          :srid => @params[:srid] || 4326
        }
      }
    }
  )
  
  match_tpl = {
    :match => {
      :params => {
        :debug => true,
        :layers => {}
      }
    }
  }

  begin
    
    if @params[:unique_id] and @params[:match] and (@params[:hasgeometry] != 'unknown')

      match_tpl[:match][:params][:radius] = @params[:radius] || 200
      match_tpl[:match][:params][:geometry_type] = @params[:geometry_type] || :point
      @params[:match].each do |a|
        match_tpl[:match][:params][:layers][a[0]] = {} if match_tpl[:match][:params][:layers][a[0]].nil?
        match_tpl[:match][:params][:layers][a[0]][a[1]] = a[2]
      end
      @api.set_matchTemplate(match_tpl)
      nodes.each do |rec|
        node = {
          :geom => rec[:geometry],
          :id   => rec[:id]
        }
        node[:name] = rec[:properties][@params[:name]] if @params[:name]
        node[:data] = filterFields(rec[:properties])

        # puts JSON.pretty_generate(node)
        
        yield(node) if block_given?
        
        @api.match_create_node(node) if not dryrun
        count -= 1
      end
      @api.match_create_flush
  
    elsif @params[:unique_id] and (@params[:hasgeometry] != 'unknown')
      
      # puts ""
      # puts "doImport... 2"
      # puts ""

      begin
        nodes.each do |rec|

          node = {
            :geom => rec[:geometry],
            :id   => rec[:id]
          }
          node[:name] = rec[:properties][@params[:name].to_sym] if @params[:name]
          node[:data] = filterFields(rec[:properties])

          yield(node) if block_given?

          @api.create_node(node) if not dryrun
          count -= 1
        end
        @api.create_flush
      rescue => e
        raise e
      end
    else
      raise Exception.new("Cannot import. Geometry or uniuque id is not known for records.") if failed.nil?
    end
  rescue => e
    raise Exception.new(e.message)
  ensure
    a = sign_out
    result[:updated] += a[0]
    result[:created] += a[1]
    result[:not_added] = count
  end
  return result
end

#filterFields(h) ⇒ Object 



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# File 'lib/citysdk/importer.rb', line 91

def filterFields(h)
  
  # puts "h: \n#{h}"
  # puts "@params[:fields]: \n#{@params[:fields]}"
  
  data = {}
  h.each_key do |k|
    k = (k.to_sym rescue k) || k
    data[k] = h[k] if @params[:fields].include?(k)
  end
  # puts "data: \n#{data}"
  data
end

#setLayerStatus(m) ⇒ Object 



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# File 'lib/citysdk/importer.rb', line 37

def setLayerStatus(m)
  begin
    
    @api.set_layer_status(m.gsub("\n","<br/>"))
    sign_out
  rescue Exception => e
    puts "File Importer setLayerStatus Exception #{e.message}"
  end
end

#setMatchParameter(l, f, v) ⇒ Object 



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# File 'lib/citysdk/importer.rb', line 56

def setMatchParameter(l,f,v)
  begin
    @params[:match] = [] if @params[:match].nil?
    @params[:match] << [l,f,v] 
    return true
  rescue
  end
  nil
end

#setParameter(k, v) ⇒ Object 



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# File 'lib/citysdk/importer.rb', line 47

def setParameter(k,v)
  begin
    @params[(k.to_sym rescue k) || k] = v
    return true
  rescue
  end
  nil
end

#sign_in ⇒ Object 



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# File 'lib/citysdk/importer.rb', line 66

def 
  if @params[:email].nil?
    raise Exception.new("No credentials provided..")
  end
    
  begin
    sign_out if @signed_in
    @api.set_host(@params[:host])
    @api.set_layer(@params[:layername])
    @api.set_matchTemplate(@params[:match_tpl]) if @params[:match_tpl]
    @api.set_createTemplate(@params[:create_tpl]) if @params[:create_tpl]
    @api.authenticate(@params[:email],@params[:passw])
    @signed_in = true
  rescue => e
    @api.release
    raise e
  ensure
  end
end

#sign_out ⇒ Object 



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# File 'lib/citysdk/importer.rb', line 86

def sign_out
  @signed_in = false
  return @api.release
end

#write(path) ⇒ Object 



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# File 'lib/citysdk/importer.rb', line 33

def write(path)
  return @filereader.write(path)
end