X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/3e9ceb0c3816a1e13c82914d16abf2997b482751..783528830ad1b0d5f07c8e758747841a0b4e5cc6:/lib/osm.rb

diff --git a/lib/osm.rb b/lib/osm.rb
index e9d3c9464..09ded2bd2 100644
--- a/lib/osm.rb
+++ b/lib/osm.rb
@@ -17,6 +17,9 @@ module OSM
 
   # Raised when an API object is not found.
   class APINotFoundError < APIError
+    def render_opts
+      { :nothing => true, :status => :not_found }
+    end
   end
 
   # Raised when a precondition to an API action fails sanity check.
@@ -42,8 +45,14 @@ module OSM
 
   # Raised when the changeset provided is already closed
   class APIChangesetAlreadyClosedError < APIError
+    def initialize(changeset)
+      @changeset = changeset
+    end
+
+    attr_reader :changeset
+    
     def render_opts
-      { :text => "The supplied changeset has already been closed", :status => :conflict }
+      { :text => "The changeset #{@changeset.id} was closed at #{@changeset.closed_at}.", :status => :conflict }
     end
   end
   
@@ -54,17 +63,57 @@ module OSM
     end
   end
 
+  # Raised when a diff is uploaded containing many changeset IDs which don't match
+  # the changeset ID that the diff was uploaded to.
+  class APIChangesetMismatchError < APIError
+    def initialize(provided, allowed)
+      @provided, @allowed = provided, allowed
+    end
+    
+    def render_opts
+      { :text => "Changeset mismatch: Provided #{@provided} but only " +
+        "#{@allowed} is allowed.", :status => :conflict }
+    end
+  end
+  
+  # Raised when a diff upload has an unknown action. You can only have create,
+  # modify, or delete
+  class APIChangesetActionInvalid < APIError
+    def initialize(provided)
+      @provided = provided
+    end
+    
+    def render_opts
+      { :text => "Unknown action #{@provided}, choices are create, modify, delete.",
+      :status => :bad_request }
+    end
+  end
+
+  # Raised when bad XML is encountered which stops things parsing as
+  # they should.
+  class APIBadXMLError < APIError
+    def initialize(model, xml)
+      @model, @xml = model, xml
+    end
+
+    def render_opts
+      { :text => "Cannot parse valid #{@model} from xml string #{@xml}",
+        :status => :bad_request }
+    end
+  end
+
   # Raised when the provided version is not equal to the latest in the db.
   class APIVersionMismatchError < APIError
-    def initialize(provided, latest)
-      @provided, @latest = provided, latest
+    def initialize(id, type, provided, latest)
+      @id, @type, @provided, @latest = id, type, provided, latest
     end
 
-    attr_reader :provided, :latest
+    attr_reader :provided, :latest, :id, :type
 
     def render_opts
       { :text => "Version mismatch: Provided " + provided.to_s +
-      ", server had: " + latest.to_s, :status => :conflict }
+        ", server had: " + latest.to_s + " of " + type + " " + id.to_s, 
+        :status => :conflict }
     end
   end
 
@@ -82,6 +131,33 @@ module OSM
         :status => :bad_request }
     end
   end
+  
+  # Raised when a way has more than the configured number of way nodes.
+  # This prevents ways from being to long and difficult to work with
+  class APITooManyWayNodesError < APIError
+    def initialize(provided, max)
+      @provided, @max = provided, max
+    end
+    
+    attr_reader :provided, :max
+    
+    def render_opts
+      { :text => "You tried to add #{provided} nodes to the way, however only #{max} are allowed",
+      :status => :bad_request }
+    end
+  end
+
+  ##
+  # raised when user input couldn't be parsed
+  class APIBadUserInput < APIError
+    def initialize(message)
+      @message = message
+    end
+
+    def render_opts
+      { :text => message, :mime_type => "text/plain", :status => :bad_request }
+    end
+  end
 
   # Helper methods for going to/from mercator and lat/lng.
   class Mercator