Add a script to populate the tracker database with an ordered list of…

… regions.

bounds.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- add as many bounds as you see fit -->
+<!-- bounding boxes will be expanded into 1 degree squares -->
+<!-- descriptions are ignored, but are here just to help coordination -->
+<list>
+  <bounds minlat="51.2" minlon="-12.2524800"  maxlat="55.5" maxlon="-5.29" description="Ireland" />
+  <bounds minlat="43.71" minlon="7.40" maxlat="43.76" maxlon="7.45" description="Monaco" />
+</list>

example.auth.yaml

@@ -10,4 +10,9 @@ oauth:
   token: 
   token_secret: 
   site: http://localhost:3000
+tracker:
+  host: localhost
+  dbname: tracker
+  user: openstreetmap
+  password: osm
 ...

run_regions.rb

@@ -0,0 +1,52 @@
+#!/usr/bin/env ruby
+# Generates the ordered region list in the tracker database
+
+require 'pg'
+require 'yaml'
+require 'xml/libxml'
+
+# Lat+lon are for the Bottom Left of the cell
+
+@regions = {}
+
+parser = XML::Reader.io(File.open('bounds.xml', "r"))
+
+dbauth = YAML.load(File.open('auth.yaml'))['tracker']
+
+@conn = PGconn.open( :dbname => dbauth['dbname'] )
+
+@conn.exec("create table if not exists regions (id serial, lat integer, lon integer, status region_status, bot_id integer)")
+@conn.exec("truncate table regions")
+
+def add_region(lat, lon)
+  @conn.exec("insert into regions (lat, lon) values ($1, $2)", [lat, lon])
+  @regions[[lat, lon]] = true
+end
+
+@conn.transaction do
+  while parser.read do
+    next unless ["bounds"].include? parser.name
+
+    # you want to floor the maxes too, or do (ceil - 1)
+    min_lat = parser["minlat"].to_f.floor
+    max_lat = parser["maxlat"].to_f.floor
+    min_lon = parser["minlon"].to_f.floor
+    max_lon = parser["maxlon"].to_f.floor
+
+    (min_lat..max_lat).each do |lat|
+      (min_lon..max_lon).each do |lon|
+        add_region(lat, lon)
+      end
+    end
+  end
+
+  # Add remaining regions that weren't covered by the bounds
+  (-180..179).each do |lon|
+    (-90..89).each do |lat|
+      unless @regions.key?([lat, lon])
+        add_region(lat, lon)
+      end
+    end
+  end
+end
+