Add JSHint support

[rails.git] / app / controllers / changeset_controller.rb

diff --git a/app/controllers/changeset_controller.rb b/app/controllers/changeset_controller.rb
index eaa87df7bfa5ba3275daa2c12a92fcee68e65e25..eefe5b55fe85a77c4e326f46e41c40dbe0d72431 100644 (file)
--- a/app/controllers/changeset_controller.rb
+++ b/app/controllers/changeset_controller.rb
@@ -1,8 +1,8 @@
 # The ChangesetController is the RESTful interface to Changeset objects
 
 class ChangesetController < ApplicationController
 # The ChangesetController is the RESTful interface to Changeset objects
 
 class ChangesetController < ApplicationController

-  layout 'site'
-  require 'xml/libxml'
+  layout "site"
+  require "xml/libxml"

 
   skip_before_filter :verify_authenticity_token, :except => [:list]
   before_filter :authorize_web, :only => [:list, :feed, :comments_feed]
 
   skip_before_filter :verify_authenticity_token, :except => [:list]
   before_filter :authorize_web, :only => [:list, :feed, :comments_feed]


@@ -78,15 +78,15 @@ class ChangesetController < ApplicationController
     check_changeset_consistency(cs, @user)
 
     # keep an array of lons and lats
     check_changeset_consistency(cs, @user)
 
     # keep an array of lons and lats

-    lon = Array.new
-    lat = Array.new
+    lon = []
+    lat = []

 
     # the request is in pseudo-osm format... this is kind-of an
     # abuse, maybe should change to some other format?
     doc = XML::Parser.string(request.raw_post).parse
     doc.find("//osm/node").each do |n|
 
     # the request is in pseudo-osm format... this is kind-of an
     # abuse, maybe should change to some other format?
     doc = XML::Parser.string(request.raw_post).parse
     doc.find("//osm/node").each do |n|

-      lon << n['lon'].to_f * GeoRecord::SCALE
-      lat << n['lat'].to_f * GeoRecord::SCALE
+      lon << n["lon"].to_f * GeoRecord::SCALE
+      lat << n["lat"].to_f * GeoRecord::SCALE

     end
 
     # add the existing bounding box to the lon-lat array
     end
 
     # add the existing bounding box to the lon-lat array


@@ -185,14 +185,14 @@ class ChangesetController < ApplicationController
           created = XML::Node.new "create"
           created << elt.to_xml_node(changeset_cache, user_display_name_cache)
         else
           created = XML::Node.new "create"
           created << elt.to_xml_node(changeset_cache, user_display_name_cache)
         else

-          unless elt.visible
-            # if the element isn't visible then it must have been deleted
-            deleted = XML::Node.new "delete"
-            deleted << elt.to_xml_node(changeset_cache, user_display_name_cache)
-          else
+          if elt.visible

             # must be a modify
             modified = XML::Node.new "modify"
             modified << elt.to_xml_node(changeset_cache, user_display_name_cache)
             # must be a modify
             modified = XML::Node.new "modify"
             modified << elt.to_xml_node(changeset_cache, user_display_name_cache)

+          else
+            # if the element isn't visible then it must have been deleted
+            deleted = XML::Node.new "delete"
+            deleted << elt.to_xml_node(changeset_cache, user_display_name_cache)

           end
         end
     end
           end
         end
     end


@@ -204,19 +204,17 @@ class ChangesetController < ApplicationController
   # query changesets by bounding box, time, user or open/closed status.
   def query
     # find any bounding box
   # query changesets by bounding box, time, user or open/closed status.
   def query
     # find any bounding box

-    if params['bbox']
-      bbox = BoundingBox.from_bbox_params(params)
-    end
+    bbox = BoundingBox.from_bbox_params(params) if params["bbox"]

 
     # create the conditions that the user asked for. some or all of
     # these may be nil.
     changesets = Changeset.all
     changesets = conditions_bbox(changesets, bbox)
 
     # create the conditions that the user asked for. some or all of
     # these may be nil.
     changesets = Changeset.all
     changesets = conditions_bbox(changesets, bbox)

-    changesets = conditions_user(changesets, params['user'], params['display_name'])
-    changesets = conditions_time(changesets, params['time'])
-    changesets = conditions_open(changesets, params['open'])
-    changesets = conditions_closed(changesets, params['closed'])
-    changesets = conditions_ids(changesets, params['changesets'])
+    changesets = conditions_user(changesets, params["user"], params["display_name"])
+    changesets = conditions_time(changesets, params["time"])
+    changesets = conditions_open(changesets, params["open"])
+    changesets = conditions_closed(changesets, params["closed"])
+    changesets = conditions_ids(changesets, params["changesets"])

 
     # create the results document
     results = OSM::API.new.get_xml_doc
 
     # create the results document
     results = OSM::API.new.get_xml_doc


@@ -244,21 +242,20 @@ class ChangesetController < ApplicationController
     changeset = Changeset.find(params[:id])
     new_changeset = Changeset.from_xml(request.raw_post)
 
     changeset = Changeset.find(params[:id])
     new_changeset = Changeset.from_xml(request.raw_post)
 

-    unless new_changeset.nil?
+    if new_changeset.nil?
+      render :text => "", :status => :bad_request
+    else

       check_changeset_consistency(changeset, @user)
       changeset.update_from(new_changeset, @user)
       render :text => changeset.to_xml, :mime_type => "text/xml"
       check_changeset_consistency(changeset, @user)
       changeset.update_from(new_changeset, @user)
       render :text => changeset.to_xml, :mime_type => "text/xml"

-    else
-
-      render :text => "", :status => :bad_request

     end
   end
 
   ##
   # list edits (open changesets) in reverse chronological order
   def list
     end
   end
 
   ##
   # list edits (open changesets) in reverse chronological order
   def list

-    if request.format == :atom and params[:max_id]
-      redirect_to params.merge({ :max_id => nil }), :status => :moved_permanently
+    if request.format == :atom && params[:max_id]
+      redirect_to params.merge(:max_id => nil), :status => :moved_permanently

       return
     end
 
       return
     end
 


@@ -275,14 +272,14 @@ class ChangesetController < ApplicationController
       return
     end
 
       return
     end
 

-    if request.format == :html and !params[:list]
+    if request.format == :html && !params[:list]

       require_oauth
       render :action => :history, :layout => map_layout
     else
       changesets = conditions_nonempty(Changeset.all)
 
       if params[:display_name]
       require_oauth
       render :action => :history, :layout => map_layout
     else
       changesets = conditions_nonempty(Changeset.all)
 
       if params[:display_name]

-        if user.data_public? or user == @user
+        if user.data_public? || user == @user

           changesets = changesets.where(:user_id => user.id)
         else
           changesets = changesets.where("false")
           changesets = changesets.where(:user_id => user.id)
         else
           changesets = changesets.where("false")


@@ -315,8 +312,8 @@ class ChangesetController < ApplicationController
   # Add a comment to a changeset
   def comment
     # Check the arguments are sane
   # Add a comment to a changeset
   def comment
     # Check the arguments are sane

-    raise OSM::APIBadUserInput.new("No id was given") unless params[:id]
-    raise OSM::APIBadUserInput.new("No text was given") if params[:text].blank?
+    fail OSM::APIBadUserInput.new("No id was given") unless params[:id]
+    fail OSM::APIBadUserInput.new("No text was given") if params[:text].blank?

 
     # Extract the arguments
     id = params[:id].to_i
 
     # Extract the arguments
     id = params[:id].to_i


@@ -324,14 +321,12 @@ class ChangesetController < ApplicationController
 
     # Find the changeset and check it is valid
     changeset = Changeset.find(id)
 
     # Find the changeset and check it is valid
     changeset = Changeset.find(id)

-    raise OSM::APIChangesetNotYetClosedError.new(changeset) if changeset.is_open?
+    fail OSM::APIChangesetNotYetClosedError.new(changeset) if changeset.is_open?

 
     # Add a comment to the changeset
 
     # Add a comment to the changeset

-    comment = changeset.comments.create({
-      :changeset => changeset,
-      :body => body,
-      :author => @user
-    })
+    comment = changeset.comments.create(:changeset => changeset,
+                                        :body => body,
+                                        :author => @user)

 
     # Notify current subscribers of the new comment
     changeset.subscribers.each do |user|
 
     # Notify current subscribers of the new comment
     changeset.subscribers.each do |user|


@@ -351,15 +346,15 @@ class ChangesetController < ApplicationController
   # Adds a subscriber to the changeset
   def subscribe
     # Check the arguments are sane
   # Adds a subscriber to the changeset
   def subscribe
     # Check the arguments are sane

-    raise OSM::APIBadUserInput.new("No id was given") unless params[:id]
+    fail OSM::APIBadUserInput.new("No id was given") unless params[:id]

 
     # Extract the arguments
     id = params[:id].to_i
 
     # Find the changeset and check it is valid
     changeset = Changeset.find(id)
 
     # Extract the arguments
     id = params[:id].to_i
 
     # Find the changeset and check it is valid
     changeset = Changeset.find(id)

-    raise OSM::APIChangesetNotYetClosedError.new(changeset) if changeset.is_open?
-    raise OSM::APIChangesetAlreadySubscribedError.new(changeset) if changeset.subscribers.exists?(@user.id)
+    fail OSM::APIChangesetNotYetClosedError.new(changeset) if changeset.is_open?
+    fail OSM::APIChangesetAlreadySubscribedError.new(changeset) if changeset.subscribers.exists?(@user.id)

 
     # Add the subscriber
     changeset.subscribers << @user
 
     # Add the subscriber
     changeset.subscribers << @user


@@ -372,15 +367,15 @@ class ChangesetController < ApplicationController
   # Removes a subscriber from the changeset
   def unsubscribe
     # Check the arguments are sane
   # Removes a subscriber from the changeset
   def unsubscribe
     # Check the arguments are sane

-    raise OSM::APIBadUserInput.new("No id was given") unless params[:id]
+    fail OSM::APIBadUserInput.new("No id was given") unless params[:id]

 
     # Extract the arguments
     id = params[:id].to_i
 
     # Find the changeset and check it is valid
     changeset = Changeset.find(id)
 
     # Extract the arguments
     id = params[:id].to_i
 
     # Find the changeset and check it is valid
     changeset = Changeset.find(id)

-    raise OSM::APIChangesetNotYetClosedError.new(changeset) if changeset.is_open?
-    raise OSM::APIChangesetNotSubscribedError.new(changeset) unless changeset.subscribers.exists?(@user.id)
+    fail OSM::APIChangesetNotYetClosedError.new(changeset) if changeset.is_open?
+    fail OSM::APIChangesetNotSubscribedError.new(changeset) unless changeset.subscribers.exists?(@user.id)

 
     # Remove the subscriber
     changeset.subscribers.delete(@user)
 
     # Remove the subscriber
     changeset.subscribers.delete(@user)


@@ -393,7 +388,7 @@ class ChangesetController < ApplicationController
   # Sets visible flag on comment to false
   def hide_comment
     # Check the arguments are sane
   # Sets visible flag on comment to false
   def hide_comment
     # Check the arguments are sane

-    raise OSM::APIBadUserInput.new("No id was given") unless params[:id]
+    fail OSM::APIBadUserInput.new("No id was given") unless params[:id]

 
     # Extract the arguments
     id = params[:id].to_i
 
     # Extract the arguments
     id = params[:id].to_i


@@ -412,7 +407,7 @@ class ChangesetController < ApplicationController
   # Sets visible flag on comment to true
   def unhide_comment
     # Check the arguments are sane
   # Sets visible flag on comment to true
   def unhide_comment
     # Check the arguments are sane

-    raise OSM::APIBadUserInput.new("No id was given") unless params[:id]
+    fail OSM::APIBadUserInput.new("No id was given") unless params[:id]

 
     # Extract the arguments
     id = params[:id].to_i
 
     # Extract the arguments
     id = params[:id].to_i


@@ -450,7 +445,8 @@ class ChangesetController < ApplicationController
     end
   end
 
     end
   end
 

-private
+  private
+

   #------------------------------------------------------------
   # utility functions below.
   #------------------------------------------------------------
   #------------------------------------------------------------
   # utility functions below.
   #------------------------------------------------------------


@@ -474,21 +470,23 @@ private
   ##
   # restrict changesets to those by a particular user
   def conditions_user(changesets, user, name)
   ##
   # restrict changesets to those by a particular user
   def conditions_user(changesets, user, name)

-    unless user.nil? and name.nil?
+    if user.nil? && name.nil?
+      return changesets
+    else

       # shouldn't provide both name and UID
       # shouldn't provide both name and UID

-      raise OSM::APIBadUserInput.new("provide either the user ID or display name, but not both") if user and name
+      fail OSM::APIBadUserInput.new("provide either the user ID or display name, but not both") if user && name

 
       # use either the name or the UID to find the user which we're selecting on.
       u = if name.nil?
             # user input checking, we don't have any UIDs < 1
 
       # use either the name or the UID to find the user which we're selecting on.
       u = if name.nil?
             # user input checking, we don't have any UIDs < 1

-            raise OSM::APIBadUserInput.new("invalid user ID") if user.to_i < 1
+            fail OSM::APIBadUserInput.new("invalid user ID") if user.to_i < 1

             u = User.find(user.to_i)
           else
             u = User.find_by_display_name(name)
           end
 
       # make sure we found a user
             u = User.find(user.to_i)
           else
             u = User.find_by_display_name(name)
           end
 
       # make sure we found a user

-      raise OSM::APINotFoundError.new if u.nil?
+      fail OSM::APINotFoundError.new if u.nil?

 
       # should be able to get changesets of public users only, or
       # our own changesets regardless of public-ness.
 
       # should be able to get changesets of public users only, or
       # our own changesets regardless of public-ness.


@@ -497,24 +495,24 @@ private
         # changesets if they're non-public
         setup_user_auth
 
         # changesets if they're non-public
         setup_user_auth
 

-        raise OSM::APINotFoundError if @user.nil? or @user.id != u.id
+        fail OSM::APINotFoundError if @user.nil? || @user.id != u.id

       end
       return changesets.where(:user_id => u.id)
       end
       return changesets.where(:user_id => u.id)

-    else
-      return changesets

     end
   end
 
   ##
   # restrict changes to those closed during a particular time period
   def conditions_time(changesets, time)
     end
   end
 
   ##
   # restrict changes to those closed during a particular time period
   def conditions_time(changesets, time)

-    unless time.nil?
+    if time.nil?
+      return changesets
+    else

       # if there is a range, i.e: comma separated, then the first is
       # low, second is high - same as with bounding boxes.
       # if there is a range, i.e: comma separated, then the first is
       # low, second is high - same as with bounding boxes.

-      if time.count(',') == 1
+      if time.count(",") == 1

         # check that we actually have 2 elements in the array
         times = time.split(/,/)
         # check that we actually have 2 elements in the array
         times = time.split(/,/)

-        raise OSM::APIBadUserInput.new("bad time range") if times.size != 2
+        fail OSM::APIBadUserInput.new("bad time range") if times.size != 2

 
         from, to = times.collect { |t| DateTime.parse(t) }
         return changesets.where("closed_at >= ? and created_at <= ?", from, to)
 
         from, to = times.collect { |t| DateTime.parse(t) }
         return changesets.where("closed_at >= ? and created_at <= ?", from, to)


@@ -522,8 +520,6 @@ private
         # if there is no comma, assume its a lower limit on time
         return changesets.where("closed_at >= ?", DateTime.parse(time))
       end
         # if there is no comma, assume its a lower limit on time
         return changesets.where("closed_at >= ?", DateTime.parse(time))
       end

-    else
-      return changesets

     end
     # stupid DateTime seems to throw both of these for bad parsing, so
     # we have to catch both and ensure the correct code path is taken.
     end
     # stupid DateTime seems to throw both of these for bad parsing, so
     # we have to catch both and ensure the correct code path is taken.


@@ -566,9 +562,9 @@ private
     if ids.nil?
       return changesets
     elsif ids.empty?
     if ids.nil?
       return changesets
     elsif ids.empty?

-      raise OSM::APIBadUserInput.new("No changesets were given to search for")
+      fail OSM::APIBadUserInput.new("No changesets were given to search for")

     else
     else

-      ids = ids.split(',').collect { |n| n.to_i }
+      ids = ids.split(",").collect(&:to_i)

       return changesets.where(:id => ids)
     end
   end
       return changesets.where(:id => ids)
     end
   end


@@ -577,17 +573,17 @@ private
   # eliminate empty changesets (where the bbox has not been set)
   # this should be applied to all changeset list displays
   def conditions_nonempty(changesets)
   # eliminate empty changesets (where the bbox has not been set)
   # this should be applied to all changeset list displays
   def conditions_nonempty(changesets)

-    return changesets.where("num_changes > 0")
+    changesets.where("num_changes > 0")

   end
 
   ##
   # Get the maximum number of comments to return
   def comments_limit
     if params[:limit]
   end
 
   ##
   # Get the maximum number of comments to return
   def comments_limit
     if params[:limit]

-      if params[:limit].to_i > 0 and params[:limit].to_i <= 10000
+      if params[:limit].to_i > 0 && params[:limit].to_i <= 10000

         params[:limit].to_i
       else
         params[:limit].to_i
       else

-        raise OSM::APIBadUserInput.new("Comments limit must be between 1 and 10000")
+        fail OSM::APIBadUserInput.new("Comments limit must be between 1 and 10000")

       end
     else
       100
       end
     else
       100