+ # The base class for API Errors.
+ class APIError < RuntimeError
+ def render_opts
+ { :text => "Generic API Error", :status => :internal_server_error, :content_type => "text/plain" }
+ end
+ end
+
+ # Raised when an API object is not found.
+ class APINotFoundError < APIError
+ def render_opts
+ { :text => "The API wasn't found", :status => :not_found, :content_type => "text/plain" }
+ end
+ end
+
+ # Raised when a precondition to an API action fails sanity check.
+ class APIPreconditionFailedError < APIError
+ def initialize(message = "")
+ @message = message
+ end
+
+ def render_opts
+ { :text => "Precondition failed: #{@message}", :status => :precondition_failed, :content_type => "text/plain" }
+ end
+ end
+
+ # Raised when to delete an already-deleted object.
+ class APIAlreadyDeletedError < APIError
+ def render_opts
+ { :text => "The object has already been deleted", :status => :gone, :content_type => "text/plain" }
+ end
+ end
+
+ # Raised when the user logged in isn't the same as the changeset
+ class APIUserChangesetMismatchError < APIError
+ def render_opts
+ { :text => "The user doesn't own that changeset", :status => :conflict, :content_type => "text/plain" }
+ end
+ end
+
+ # 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 changeset #{@changeset.id} was closed at #{@changeset.closed_at}.", :status => :conflict, :content_type => "text/plain" }
+ end
+ end
+
+ # Raised when a change is expecting a changeset, but the changeset doesn't exist
+ class APIChangesetMissingError < APIError
+ def render_opts
+ { :text => "You need to supply a changeset to be able to make a change", :status => :conflict, :content_type => "text/plain" }
+ 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, :content_type => "text/plain" }
+ 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, :content_type => "text/plain" }
+ end
+ end
+
+ # Raised when bad XML is encountered which stops things parsing as
+ # they should.
+ class APIBadXMLError < APIError
+ def initialize(model, xml, message="")
+ @model, @xml, @message = model, xml, message
+ end
+
+ def render_opts
+ { :text => "Cannot parse valid #{@model} from xml string #{@xml}. #{@message}",
+ :status => :bad_request, :content_type => "text/plain" }
+ end
+ end
+
+ # Raised when the provided version is not equal to the latest in the db.
+ class APIVersionMismatchError < APIError
+ def initialize(id, type, provided, latest)
+ @id, @type, @provided, @latest = id, type, provided, latest
+ end
+
+ attr_reader :provided, :latest, :id, :type
+
+ def render_opts
+ { :text => "Version mismatch: Provided " + provided.to_s +
+ ", server had: " + latest.to_s + " of " + type + " " + id.to_s,
+ :status => :conflict, :content_type => "text/plain" }
+ end
+ end
+
+ # raised when a two tags have a duplicate key string in an element.
+ # this is now forbidden by the API.
+ class APIDuplicateTagsError < APIError
+ def initialize(type, id, tag_key)
+ @type, @id, @tag_key = type, id, tag_key
+ end
+
+ attr_reader :type, :id, :tag_key
+
+ def render_opts
+ { :text => "Element #{@type}/#{@id} has duplicate tags with key #{@tag_key}.",
+ :status => :bad_request, :content_type => "text/plain" }
+ 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, :content_type => "text/plain" }
+ end
+ end
+
+ ##
+ # raised when user input couldn't be parsed
+ class APIBadUserInput < APIError
+ def initialize(message)
+ @message = message
+ end
+
+ def render_opts
+ { :text => @message, :content_type => "text/plain", :status => :bad_request }
+ end
+ end
+
+ # Helper methods for going to/from mercator and lat/lng.
projects / rails.git / blobdiff