Add conservation district data to application

.gitignore

@@ -20,3 +20,7 @@
 
 #Ignore precompile.
 public/assets/**
+
+# Ignore .DS_Store
+.DS_Store
+

AddDataREADME.md

@@ -64,7 +64,5 @@ Open up app/controllers/addresses_controller.rb
 
 NOW DESCRIBE HOW TO ADD THIS JUNK.
 
-Let's check and see if this worked. Go ahead and find an address that you know is inside your new polygon. 
-
-### 
+Let's check and see if this worked. Go ahead and find an address that you know is inside your new polygon.  
 

app/assets/javascripts/map.js

@@ -7,6 +7,8 @@ var historicDistrictLayer = L.mapbox.featureLayer()
 .addTo(map);
 var cosaDistrictLayer = L.mapbox.featureLayer(null, {fill: 'red'})
 .addTo(map);
+var consDistrictLayer = L.mapbox.featureLayer(null, {fill: 'green'})
+.addTo(map);
 
 var marker = L.marker(new L.LatLng(29.423889, -98.493056), {
       icon: L.mapbox.marker.icon({'marker-color': 'CC0033'}),
@@ -84,15 +86,36 @@ function updateMarker(d) {
         cosaDistrictLayer.setFilter(function() { return false; });
       }
 
+      var consDisStr = "";
+      var consDisStrPretty = "";
+      var consDistLegend = "";
+      var consDistColor = 'green'; // This is the color for the key
+      if (data.in_cons_district) {
+        var geoJSONcons = $.parseJSON(data.cons_district_polygon.st_asgeojson);
+        geoJSONcons.properties= {};
+        geoJSONcons.properties.fill = consDistColor;
+        consDistrictLayer.setGeoJSON(geoJSONcons);
+        consDistrictLayer.setFilter(function() { return true; });
+        consDisStr = "<br>COSA District: " + data.cons_district_polygon.district +
+                      "<br>City Council: " + data.cons_district_polygon.name;
+        consDisStrPretty =  "<p class=\"kicker\">Conservation District</p><p>" + data.cons_district_polygon.name + "</p>";
+        consDistLegend = "<li><span style='background:" + consDistColor + ";'></span>Conservation District</li>";
+        hasLegend = true;
+      }
+      else {
+        consDistrictLayer.setFilter(function() { return false; });
+      }
+
       // marker.setPopupContent("Address: " + data.address + cosaDisStr + histDisStr);
       $( "div.results-container" ).replaceWith( 
           "<div class=\"results-container\"><div class=\"results-inner\"><h3>This is what we know about this address:</h3><p class=\"kicker\">Address</p><p>" + 
-          data.address + "</p>" + cosaDisStrPretty + histDisStrPretty + "</div></div>" );
+          data.address + "</p>" + cosaDisStrPretty + histDisStrPretty + consDisStrPretty + "</div></div>" );
       if (hasLegend)
       {
         $("#legend-content").replaceWith("<div id='legend-content' style='display: none;'><ul class=\"ordering\">" +
           histDistLegend + 
           cosaDistLegend + 
+          consDistLegend +
           "</ul><div class='legend-source'>Source: <a href=\"http://www.sanantonio.gov/GIS\">San Antonio GIS Data</a></div></div>");
 
         console.log(document.getElementById('legend-content').innerHTML);

app/controllers/addresses_controller.rb

@@ -13,22 +13,26 @@ def index
         address = Geokit::Geocoders::MultiGeocoder.geocode params[:address]
         @in_hist_district = HistoricDistrict.inDistrict? address.lat, address.lng
         @in_cosa_district = CosaCouncilDistrict.inDistrict? address.lat, address.lng
+        @in_cons_district = ConservationDistrict.inDistrict? address.lat, address.lng
         @lat = address.lat
         @lng = address.lng
         @addr = address.full_address
         @hist_district_polygon = HistoricDistrict.getDistrict address.lat, address.lng
         @cosa_district_polygon = CosaCouncilDistrict.getDistrict address.lat, address.lng
+        @cons_district_polygon = ConservationDistrict.getDistrict address.lat, address.lng
       end
 
       if params[:lat] != nil  and params[:long] != nil and !params[:lat].empty? and !params[:long].empty?
         address = Geokit::Geocoders::MultiGeocoder.reverse_geocode "#{params[:lat]}, #{params[:long]}"
         @in_hist_district = HistoricDistrict.inDistrict? params[:lat], params[:long]
         @in_cosa_district = CosaCouncilDistrict.inDistrict? params[:lat], params[:long]
+        @in_cons_district = ConservationDistrict.inDistrict? params[:lat], params[:long]
         @lat = params[:lat]
         @lng = params[:long]
         @addr = address.full_address
         @hist_district_polygon = HistoricDistrict.getDistrict params[:lat], params[:long]
         @cosa_district_polygon = CosaCouncilDistrict.getDistrict params[:lat], params[:long]
+        @cons_district_polygon = ConservationDistrict.getDistrict params[:lat], params[:long]
       end
 
       @response = { :lat                    => @lat,
@@ -37,7 +41,9 @@ def index
                     :in_hist_district       => @in_hist_district,
                     :hist_district_polygon  => @hist_district_polygon,
                     :in_cosa_district       => @in_cosa_district,
-                    :cosa_district_polygon  => @cosa_district_polygon
+                    :cosa_district_polygon  => @cosa_district_polygon,
+                    :in_cons_district       => @in_cons_district,
+                    :cons_district_polygon  => @cons_district_polygon
                   }
       respond_with(@response)
     end

app/models/conservation_district.rb

@@ -0,0 +1,32 @@
+class ConservationDistrict < ActiveRecord::Base
+  # self.primary_key = 'gid'
+  # self.table_name = 'historicdistricts'
+
+  COORD_SYS_REF = 4326;   # The coordinate system that will be used as the reference and is now Latitude and Longitude Coord System
+  COORD_SYS_AREA = 2278;  # The coordinate system used in the data Texas South Central Coordinate System
+  COORD_SYS_ZONE = 0;     # The coordinate system used in the actual data but somehow it was wiped to 0, so put it back into the same one to check
+
+  def self.inDistrict? lat, long
+    # figure out if it is in a specific area in 
+    @spec_area = ConservationDistrict.where("ST_Contains(geom, ST_SetSRID(ST_Transform(ST_SetSRID(ST_MakePoint(?, ?), ?), ?), ?))",
+                                              long,
+                                              lat,
+                                              COORD_SYS_REF,
+                                              COORD_SYS_AREA,
+                                              COORD_SYS_ZONE)
+
+    return @spec_area.exists?
+  end
+
+  def self.getDistrict lat, long
+    # figure out if it is in a specific area in historical district
+    @area_in_geojson = ConservationDistrict.find_by_sql("select name, ordinance, ordinance_date, shape_leng, shape_area, ST_AsGeoJSON(ST_Transform(ST_SetSRID(geom, #{COORD_SYS_AREA}), #{COORD_SYS_REF}))
+                                                        from conservation_districts 
+                                                        where ST_Contains(geom,
+                                                        ST_SetSRID(ST_Transform(ST_SetSRID(ST_MakePoint(#{long}, #{lat}),#{COORD_SYS_REF}), #{COORD_SYS_AREA}), #{COORD_SYS_ZONE}))")
+
+
+    return @area_in_geojson.first
+  end
+
+end

db/migrate/20140502223732_create_conservation_districts.rb

@@ -0,0 +1,13 @@
+class CreateConservationDistricts < ActiveRecord::Migration
+  def change
+    create_table  :conservation_districts do |t|
+        t.string    :name
+        t.string    :ordinance
+        t.string    :ordinance_date
+        t.float     :shape_leng
+        t.float     :shape_area
+        t.geometry  :geom
+        t.timestamps
+    end
+  end
+end

db/schema.rb

@@ -11,12 +11,23 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20140414080232) do
+ActiveRecord::Schema.define(version: 20140502223732) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
   enable_extension "postgis"
 
+  create_table "conservation_districts", force: true do |t|
+    t.string   "name"
+    t.string   "ordinance"
+    t.string   "ordinance_date"
+    t.float    "shape_leng"
+    t.float    "shape_area"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.spatial  "geom",           limit: {:srid=>0, :type=>"geometry"}
+  end
+
   create_table "cosa_council_districts", force: true do |t|
     t.integer  "district"
     t.string   "name"