Class: SearchController

Inherits:
ApplicationController show all
Defined in:
app/controllers/search_controller.rb

Instance Method Summary collapse

Instance Method Details

#change_global_listmode ⇒ Object 



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# File 'app/controllers/search_controller.rb', line 261

def change_global_listmode
  @varglobal=session[:varglobal]
  if params[:mode][:list]=="groupbyfiles"
     render(:partial =>"show_results_global_groupbyfile", :object => @varglobal)
  else
     render(:partial =>"show_results_global", :object => @varglobal)
  end
end

#change_partial_listmode ⇒ Object 



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# File 'app/controllers/search_controller.rb', line 252

def change_partial_listmode
  @varpartial=session[:varpartial]
  if params[:mode][:list]=="groupbyfiles"
     render(:partial =>"show_results_partial_groupbyfile", :object => @varpartial)
  else
     render(:partial =>"show_results_partial", :object => @varpartial)
  end
end

#change_points_listmode ⇒ Object 



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# File 'app/controllers/search_controller.rb', line 242

def change_points_listmode
  @varpoints=session[:varpoints]
  if params[:mode][:list]=="groupbyfiles"
     render(:partial =>"show_results_points_groupbyfile", :object => @varpoints)
  else
     render(:partial =>"show_results_points", :object => @varpoints)
  end
end

#change_results ⇒ Object 



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# File 'app/controllers/search_controller.rb', line 215

def change_results
  @varpoints = session[:varpoints] || []
  @varpartial = session[:varpartial] || []
  @varglobal = session[:varglobal] || []
  @varno_region = session[:varno_region] || []
  @mode = params[:show][:list]
  case @mode
  when "points"
    @no="p"
    @variables = @varpoints
  when "partial"
    @no="p"
    @variables = @varpartial
  when "global"
    @no="g"
    @variables = @varglobal
  when "no_region"
    @no=""
    @variables = @varno_region
  else
    @no=""
    @variables = @varpoints + @varpartial + @varglobal + @varno_region
  end
  render(:partial =>"show_results")
end

#index ⇒ Object 



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# File 'app/controllers/search_controller.rb', line 4

def index
  mapsearch
  return
end

#listvariables ⇒ Object 



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# File 'app/controllers/search_controller.rb', line 200

def listvariables
  @all_group = session[:all_points_group]
  @mode = params[:mode]
  
  if @mode=="points"
    @all_group = session[:all_points_group]
  elsif @mode=="partial"
    @all_group = session[:all_partial_group]
  end
  @points_group = @all_group[params[:gid]]
  @gid=params[:gid]
  render(:partial=>"show_variablelist")
end

#mapsearch ⇒ Object 



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# File 'app/controllers/search_controller.rb', line 146

def mapsearch
  @google_map_key = GFDNAVI_GOOGLE_MAP_KEY
  @page_title = 'search by google-map'

  if request.post?
    res = msearch
  else
    @query=Query.new();
  end

  session[:varglobal]=@varglobal
  session[:varpartial]=@varpartial
  session[:varpoints]=@varpoints
  session[:varno_region] = @varno_region
  session[:query]=@query
  session[:results]=@results
  session[:all_partial_group]=@all_partial_group
  session[:all_points_group]=@all_points_group

  @variables = Array.new
  [@varpoints, @varpartial, @varglobal, @varno_region].each{|ary|
    @variables += ary if Array === ary
  }
  render :action => "mapsearch"
end

#msearch ⇒ Object 



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# File 'app/controllers/search_controller.rb', line 10

def msearch
  debug="**debug**"
  @query = Query.new(params[:query])
  if(query_points = @query.querystring("points"))
    @varpoints = Node.find_by_sql( [query_points.gsub(/%/,'%%')] )
    @results = true
  else
    @varpoints = nil
  end

  if @query.spatial_region
    lon_len = @query.start_lon - @query.end_lon if @query.start_lon >= @query.end_lon
    lon_len = @query.end_lon - @query.start_lon if @query.start_lon < @query.end_lon
    lat_len = @query.start_lat - @query.end_lat if @query.start_lat >= @query.end_lat
    lat_len = @query.end_lat - @query.start_lat if @query.start_lat < @query.end_lat

    #e = lon_len / 5.0 if lon_len >= lat_len
    #e = lat_len / 5.0 if lat_len > lon_len
    # 
    #if ((@query.zoomlevel).to_i) < ((@query.oldzoomlevel).to_i)
    #   e = e * 2.0*(((@query.oldzoomlevel).to_f) - ((@query.zoomlevel).to_f))
    #elsif ((@query.zoomlevel).to_i) > ((@query.oldzoomlevel).to_i)
    #   e = e / 2.0 / (((@query.zoomlevel).to_f)-((@query.oldzoomlevel).to_f))
    #end
    e = params[:query][:span].to_f/15
  else
    e = 30.0
  end

  
  if @varpoints 
    all_points_group=Hash.new
    pg_count=0
    @varpoints.each { |v|
	SpatialAndTimeAttribute.find(:all, :conditions=>{:node_id=>v.id}).each { |s| 
         if (all_points_group.keys.length==0)
           all_points_group["point_group0"]=Array.new
           all_points_group["point_group0"].push s
           pg_count=1
         else 
           i=0
           while i <= pg_count do
             points_group = all_points_group["point_group#{i}"]
             if (i==pg_count)
                all_points_group["point_group#{pg_count}"]=Array.new
                all_points_group["point_group#{pg_count}"].push s
                pg_count=pg_count+1
                break               
             elsif (points_group[0].latitude_lb+e >= s.latitude_lb && points_group[0].latitude_lb-e <= s.latitude_lb && points_group[0].longitude_lb+e >= s.longitude_lb && points_group[0].longitude_lb-e <= s.longitude_lb)
                all_points_group["point_group#{i}"].push s
                break
             end
             i=i+1
           end #while 
         end #if
       }#SpatialAttributes
     } #@verpoints.each
    @all_points_group=all_points_group
  end #@verpoints
  
  if(query_partial = @query.querystring("partial"))
    debug+=query_partial
    @varpartial = Node.find_by_sql( [query_partial.gsub(/%/,'%%')] )
    @results = true
  else
    @varpartial = nil
  end

  if @varpartial
    pag_count=0
    all_partial_group=Hash.new
    
    @varpartial.each do |v| 
      SpatialAndTimeAttribute.find(:all, :conditions=>{:node_id=>v.id}).each{ |s|
       if (all_partial_group.keys.length==0)
         all_partial_group["partial_group0"]=Array.new
         all_partial_group["partial_group0"].push s
         pag_count=1
       else  
          i=0 
          while i<=pag_count do
            if (i==pag_count)
              all_partial_group["partial_group#{pag_count}"]=Array.new
              all_partial_group["partial_group#{pag_count}"].push s
              pag_count=pag_count+1
              break
            else
              partial_group=all_partial_group["partial_group#{i}"]
              if(partial_group[0].latitude_lb+e >= s.latitude_lb && partial_group[0].latitude_lb-e <= s.latitude_lb && partial_group[0].longitude_lb+e >= s.longitude_lb && partial_group[0].longitude_lb-e <= s.longitude_lb)
               all_partial_group["partial_group#{i}"].push s
               break
              end
            end
            i=i+1
          end #while 
        end #if 
      }#SpatialAttribute
    end 
    @all_partial_group=all_partial_group
  end 
  
  if(query_global = @query.querystring("global"))
    debug+=query_partial
    @varglobal = Node.find_by_sql( [query_global.gsub(/%/,'%%')] )
    @results = true
  else
    @varglobal = nil
  end

  if (query_no_region = @query.querystring("no_region"))
    debug += query_no_region
    @varno_region = Node.find_by_sql( [query_no_region.gsub(/%/,'%%')] )
    @resutls = true
  else
    @varno_region = nil
  end

  res=Hash.new
  res["debug"]=debug
  res["points"]=@all_points_group
  res["partial"]=@all_partial_group
  res["global"] = @varglobal
  res["no_region"] = @varnoapatialattribute
  res["radius"]=e
  return res
end

#re_search ⇒ Object 



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# File 'app/controllers/search_controller.rb', line 137

def re_search
  res = msearch
  session[:query]=@query
  session[:all_partial_group]=@all_partial_group
  session[:all_points_group]=@all_points_group

  return res
end

#remapsearch ⇒ Object 



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# File 'app/controllers/search_controller.rb', line 172

def remapsearch
  r=re_search
  @objs = Array.new
  if @all_points_group!=nil then
    @all_points_group.keys.each{ |key|
      group = @all_points_group[key]
      size = group.length if group.length > 30
      size = 30 if group.length <= 30 
      if group.length!=0 then
        @objs.push( {:gid=>key, :radius=>r["radius"],:posx=>group[0].latitude_lb, :posy=>group[0].longitude_lb, :size=>size, :num=>group.length, :mode=>"points"} )
      end
    }
  end
  if @all_partial_group!=nil then
    @all_partial_group.keys.each{ |key|
      group = @all_partial_group[key]
      size = group.length if group.length > 30
      size = 30 if group.length <= 30 
      if group.length!=0 then
        @objs.push( {:gid=>key, :radius=>r["radius"], :posx=>group[0].latitude_lb, :posy=>group[0].longitude_lb, :size=>size, :num=>group.length, :mode=>"partial"} )
      end
    }
  end
  @debug = r["debug"]
  @queryregion = {:start_lon=>@query.start_lon,:start_lat=>@query.start_lat,:end_lon=>@query.end_lon,:end_lat=>@query.end_lat}
  @windowregion = {:window_start_lon=>@query.window_start_lon,:window_start_lat=>@query.window_start_lat,:window_end_lon=>@query.window_end_lon,:window_end_lat=>@query.window_end_lat}
end