Changeset discussions

[rails.git] / lib / osm.rb

diff --git a/lib/osm.rb b/lib/osm.rb
index c92655aeea207b48393645e6bb9aeb4bcf478c4c..c59ab7e262cc60ee87dbe0452efa170cce10b400 100644 (file)
--- a/lib/osm.rb
+++ b/lib/osm.rb
@@ -5,9 +5,13 @@ module OSM
   require 'rexml/parsers/sax2parser'
   require 'rexml/text'
   require 'xml/libxml'
   require 'rexml/parsers/sax2parser'
   require 'rexml/text'
   require 'xml/libxml'

-  require 'digest/md5'
-  require 'RMagick'
-  require 'nokogiri'
+
+  if defined?(SystemTimer)
+    Timer = SystemTimer
+  else
+    require 'timeout'
+    Timer = Timeout
+  end

 
   # The base class for API Errors.
   class APIError < RuntimeError
 
   # The base class for API Errors.
   class APIError < RuntimeError


@@ -20,6 +24,17 @@ module OSM
     end
   end
 
     end
   end
 

+  # Raised when access is denied.
+  class APIAccessDenied < RuntimeError
+    def status
+      :forbidden
+    end
+
+    def to_s
+      "Access denied"
+    end
+  end
+

   # Raised when an API object is not found.
   class APINotFoundError < APIError
     def status
   # Raised when an API object is not found.
   class APINotFoundError < APIError
     def status


@@ -91,6 +106,57 @@ module OSM
     end
   end
 
     end
   end
 

+  # Raised when the changeset provided is not yet closed
+  class APIChangesetNotYetClosedError < APIError
+    def initialize(changeset)
+      @changeset = changeset
+    end
+
+    attr_reader :changeset
+
+    def status
+      :conflict
+    end
+
+    def to_s
+      "The changeset #{@changeset.id} is not yet closed."
+    end
+  end
+
+  # Raised when a user is already subscribed to the changeset
+  class APIChangesetAlreadySubscribedError < APIError
+    def initialize(changeset)
+      @changeset = changeset
+    end
+
+    attr_reader :changeset
+
+    def status
+      :conflict
+    end
+
+    def to_s
+      "You are already subscribed to changeset #{@changeset.id}."
+    end
+  end
+
+  # Raised when a user is not subscribed to the changeset
+  class APIChangesetNotSubscribedError < APIError
+    def initialize(changeset)
+      @changeset = changeset
+    end
+
+    attr_reader :changeset
+
+    def status
+      :not_found
+    end
+
+    def to_s
+      "You are not subscribed to changeset #{@changeset.id}."
+    end
+  end
+

   # Raised when a change is expecting a changeset, but the changeset doesn't exist
   class APIChangesetMissingError < APIError
     def status
   # Raised when a change is expecting a changeset, but the changeset doesn't exist
   class APIChangesetMissingError < APIError
     def status


@@ -263,6 +329,70 @@ module OSM
     end
   end
 
     end
   end
 

+  ##
+  # raised when someone tries to redact a current version of
+  # an element - only historical versions can be redacted.
+  class APICannotRedactError < APIError
+    def status
+      :bad_request
+    end
+
+    def to_s
+      "Cannot redact current version of element, only historical versions may be redacted."
+    end
+  end
+
+  # Raised when the note provided is already closed
+  class APINoteAlreadyClosedError < APIError
+    def initialize(note)
+      @note = note
+    end
+
+    attr_reader :note
+
+    def status
+      :conflict
+    end
+
+    def to_s
+      "The note #{@note.id} was closed at #{@note.closed_at}"
+    end
+  end
+
+  # Raised when the note provided is already open
+  class APINoteAlreadyOpenError < APIError
+    def initialize(note)
+      @note = note
+    end
+
+    attr_reader :note
+
+    def status
+      :conflict
+    end
+
+    def to_s
+      "The note #{@note.id} is already open"
+    end
+  end
+
+  # raised when a two preferences have a duplicate key string.
+  class APIDuplicatePreferenceError < APIError
+    def initialize(key)
+      @key = key
+    end
+
+    attr_reader :key
+
+    def status
+      :bad_request
+    end
+
+    def to_s
+      "Duplicate preferences with key #{@key}"
+    end
+  end
+

   # Helper methods for going to/from mercator and lat/lng.
   class Mercator
     include Math
   # Helper methods for going to/from mercator and lat/lng.
   class Mercator
     include Math


@@ -331,7 +461,7 @@ module OSM
 
       begin
         lonradius = 2 * asin(sqrt(sin(radius / 6372.795 / 2) ** 2 / cos(@lat) ** 2))
 
       begin
         lonradius = 2 * asin(sqrt(sin(radius / 6372.795 / 2) ** 2 / cos(@lat) ** 2))

-      rescue Errno::EDOM
+      rescue Errno::EDOM, Math::DomainError

         lonradius = PI
       end
 
         lonradius = PI
       end
 


@@ -349,106 +479,23 @@ module OSM
     end
   end
 
     end
   end
 

-  class GeoRSS
-    def initialize(feed_title='OpenStreetMap GPS Traces', feed_description='OpenStreetMap GPS Traces', feed_url='http://www.openstreetmap.org/traces/')
-      @doc = XML::Document.new
-      @doc.encoding = XML::Encoding::UTF_8
-
-      rss = XML::Node.new 'rss'
-      @doc.root = rss
-      rss['version'] = "2.0"
-      rss['xmlns:geo'] = "http://www.w3.org/2003/01/geo/wgs84_pos#"
-      @channel = XML::Node.new 'channel'
-      rss << @channel
-      title = XML::Node.new 'title'
-      title <<  feed_title
-      @channel << title
-      description_el = XML::Node.new 'description'
-      @channel << description_el
-
-      description_el << feed_description
-      link = XML::Node.new 'link'
-      link << feed_url
-      @channel << link
-      image = XML::Node.new 'image'
-      @channel << image
-      url = XML::Node.new 'url'
-      url << 'http://www.openstreetmap.org/images/mag_map-rss2.0.png'
-      image << url
-      title = XML::Node.new 'title'
-      title << "OpenStreetMap"
-      image << title
-      width = XML::Node.new 'width'
-      width << '100'
-      image << width
-      height = XML::Node.new 'height'
-      height << '100'
-      image << height
-      link = XML::Node.new 'link'
-      link << feed_url
-      image << link
-    end
-
-    def add(latitude=0, longitude=0, title_text='dummy title', author_text='anonymous', url='http://www.example.com/', description_text='dummy description', timestamp=DateTime.now)
-      item = XML::Node.new 'item'
-
-      title = XML::Node.new 'title'
-      item << title
-      title << title_text
-      link = XML::Node.new 'link'
-      link << url
-      item << link
-
-      guid = XML::Node.new 'guid'
-      guid << url
-      item << guid
-
-      description = XML::Node.new 'description'
-      description << description_text
-      item << description
-
-      author = XML::Node.new 'author'
-      author << author_text
-      item << author
-
-      pubDate = XML::Node.new 'pubDate'
-      pubDate << timestamp.to_s(:rfc822)
-      item << pubDate
-
-      if latitude
-        lat_el = XML::Node.new 'geo:lat'
-        lat_el << latitude.to_s
-        item << lat_el
-      end
-
-      if longitude
-        lon_el = XML::Node.new 'geo:long'
-        lon_el << longitude.to_s
-        item << lon_el
-      end
-
-      @channel << item
-    end
-
-    def to_s
-      return @doc.to_s
-    end
-  end
-

   class API
     def get_xml_doc
       doc = XML::Document.new
       doc.encoding = XML::Encoding::UTF_8
       root = XML::Node.new 'osm'
   class API
     def get_xml_doc
       doc = XML::Document.new
       doc.encoding = XML::Encoding::UTF_8
       root = XML::Node.new 'osm'

-      root['version'] = API_VERSION
+      root['version'] = API_VERSION.to_s

       root['generator'] = GENERATOR
       root['generator'] = GENERATOR

+      root['copyright'] = COPYRIGHT_OWNER
+      root['attribution'] = ATTRIBUTION_URL
+      root['license'] =  LICENSE_URL

       doc.root = root
       return doc
     end
   end
 
   def self.IPToCountry(ip_address)
       doc.root = root
       return doc
     end
   end
 
   def self.IPToCountry(ip_address)

-    Timeout::timeout(4) do
+    Timer.timeout(4) do

       ipinfo = Quova::IpInfo.new(ip_address)
 
       if ipinfo.status == Quova::Success then
       ipinfo = Quova::IpInfo.new(ip_address)
 
       if ipinfo.status == Quova::Success then


@@ -459,7 +506,7 @@ module OSM
           country = "GB" if country == "UK"
         end
       end
           country = "GB" if country == "UK"
         end
       end

-      
+

       return country.upcase
     end
 
       return country.upcase
     end
 


@@ -471,15 +518,20 @@ module OSM
   def self.IPLocation(ip_address)
     code = OSM.IPToCountry(ip_address)
 
   def self.IPLocation(ip_address)
     code = OSM.IPToCountry(ip_address)
 

-    unless code.nil?
-      country = Country.find_by_code(code)
-
+    if code and country = Country.find_by_code(code)

       return { :minlon => country.min_lon, :minlat => country.min_lat, :maxlon => country.max_lon, :maxlat => country.max_lat }
     end
 
     return nil
   end
 
       return { :minlon => country.min_lon, :minlat => country.min_lat, :maxlon => country.max_lon, :maxlat => country.max_lat }
     end
 
     return nil
   end
 

+  # Parse a float, raising a specified exception on failure
+  def self.parse_float(str, klass, *args)
+    Float(str)
+  rescue
+    raise klass.new(*args)
+  end
+

   # Construct a random token of a given length
   def self.make_token(length = 30)
     chars = 'abcdefghijklmnopqrtuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
   # Construct a random token of a given length
   def self.make_token(length = 30)
     chars = 'abcdefghijklmnopqrtuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'


@@ -492,47 +544,18 @@ module OSM
     return token
   end
 
     return token
   end
 

-  # Return an encrypted version of a password
-  def self.encrypt_password(password, salt)
-    return Digest::MD5.hexdigest(password) if salt.nil?
-    return Digest::MD5.hexdigest(salt + password)
-  end
-

   # Return an SQL fragment to select a given area of the globe
   # Return an SQL fragment to select a given area of the globe

-  def self.sql_for_area(minlat, minlon, maxlat, maxlon, prefix = nil)
-    tilesql = QuadTile.sql_for_area(minlat, minlon, maxlat, maxlon, prefix)
-    minlat = (minlat * 10000000).round
-    minlon = (minlon * 10000000).round
-    maxlat = (maxlat * 10000000).round
-    maxlon = (maxlon * 10000000).round
-
-    return "#{tilesql} AND #{prefix}latitude BETWEEN #{minlat} AND #{maxlat} AND #{prefix}longitude BETWEEN #{minlon} AND #{maxlon}"
-  end
-
-  # Return a spam score for a chunk of text
-  def self.spam_score(text)
-    link_count = 0
-    link_size = 0
-
-    doc = Nokogiri::HTML(text)
-
-    if doc.content.length > 0
-      doc.xpath("//a").each do |link|
-        link_count += 1
-        link_size += link.content.length
-      end
-
-      link_proportion = link_size.to_f / doc.content.length.to_f
-    else
-      link_proportion = 0
-    end
+  def self.sql_for_area(bbox, prefix = nil)
+    tilesql = QuadTile.sql_for_area(bbox, prefix)
+    bbox = bbox.to_scaled

 
 

-    return [link_proportion - 0.2, 0.0].max * 200 + link_count * 20
+    return "#{tilesql} AND #{prefix}latitude BETWEEN #{bbox.min_lat} AND #{bbox.max_lat} " +
+                      "AND #{prefix}longitude BETWEEN #{bbox.min_lon} AND #{bbox.max_lon}"

   end
 
   def self.legal_text_for_country(country_code)
   end
 
   def self.legal_text_for_country(country_code)

-    file_name = File.join(RAILS_ROOT, "config", "legales", country_code.to_s + ".yml")
-    file_name = File.join(RAILS_ROOT, "config", "legales", APP_CONFIG['default_legale'] + ".yml") unless File.exist? file_name
+    file_name = File.join(Rails.root, "config", "legales", country_code.to_s + ".yml")
+    file_name = File.join(Rails.root, "config", "legales", DEFAULT_LEGALE + ".yml") unless File.exist? file_name

     YAML::load_file(file_name)
   end
 end
     YAML::load_file(file_name)
   end
 end