Refactor MQ/OSRM engines a la @karussell patch

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

diff --git a/app/controllers/changeset_controller.rb b/app/controllers/changeset_controller.rb
index 36b3b5124ed3b725d3cc518f33096dc2150c0cc5..735fa73a88c31a1820515aa9e4677011946be8b3 100644 (file)
--- a/app/controllers/changeset_controller.rb
+++ b/app/controllers/changeset_controller.rb
@@ -210,6 +210,7 @@ class ChangesetController < ApplicationController
     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
@@ -250,91 +251,51 @@ class ChangesetController < ApplicationController
   ##
   # list edits (open changesets) in reverse chronological order
   def list
-    if request.format == :atom and params[:page]
-      redirect_to params.merge({ :page => nil }), :status => :moved_permanently
+    if request.format == :atom and params[:max_id]
+      redirect_to params.merge({ :max_id => nil }), :status => :moved_permanently
+      return
+    end
+
+    if params[:display_name]
+      user = User.find_by_display_name(params[:display_name])
+      if !user || !user.active?
+        render_unknown_user params[:display_name]
+        return
+      end
+    end
+
+    if (params[:friends] || params[:nearby]) && !@user && request.format == :html
+      require_user
+      return
+    end
+
+    if request.format == :html and !params[:list]
+      require_oauth
+      render :action => :history, :layout => map_layout
     else
       changesets = conditions_nonempty(Changeset.all)
 
       if params[:display_name]
-        user = User.find_by_display_name(params[:display_name])
-
-        if user and user.active?
-          if user.data_public? or user == @user
-            changesets = changesets.where(:user_id => user.id)
-          else
-            changesets = changesets.where("false")
-          end
+        if user.data_public? or user == @user
+          changesets = changesets.where(:user_id => user.id)
         else
-          render_unknown_user params[:display_name]
-          return
-        end
-      end
-
-      if params[:friends]
-        if @user
-          changesets = changesets.where(:user_id => @user.friend_users.public)
-        elsif request.format == :html
-          require_user
-          return
-        end
-      end
-
-      if params[:nearby]
-        if @user
-          changesets = changesets.where(:user_id => @user.nearby)
-        elsif request.format == :html
-          require_user
-          return
+          changesets = changesets.where("false")
         end
+      elsif params[:bbox]
+        changesets = conditions_bbox(changesets, BoundingBox.from_bbox_params(params))
+      elsif params[:friends] && @user
+        changesets = changesets.where(:user_id => @user.friend_users.public)
+      elsif params[:nearby] && @user
+        changesets = changesets.where(:user_id => @user.nearby)
       end
 
-      if params[:bbox]
-        bbox = BoundingBox.from_bbox_params(params)
-      elsif params[:minlon] and params[:minlat] and params[:maxlon] and params[:maxlat]
-        bbox = BoundingBox.from_lon_lat_params(params)
-      end
-
-      if bbox
-        changesets = conditions_bbox(changesets, bbox)
-        bbox_link = render_to_string :partial => "bbox", :object => bbox
-      end
-
-      if user
-        user_link = render_to_string :partial => "user", :object => user
-      end
-
-      if params[:friends] and @user
-        @title =  t 'changeset.list.title_friend'
-        @heading =  t 'changeset.list.heading_friend'
-        @description = t 'changeset.list.description_friend'
-      elsif params[:nearby] and @user
-        @title = t 'changeset.list.title_nearby'
-        @heading = t 'changeset.list.heading_nearby'
-        @description = t 'changeset.list.description_nearby'
-      elsif user and bbox
-        @title =  t 'changeset.list.title_user_bbox', :user => user.display_name, :bbox => bbox.to_s
-        @heading =  t 'changeset.list.heading_user_bbox', :user => user.display_name, :bbox => bbox.to_s
-        @description = t 'changeset.list.description_user_bbox', :user => user_link, :bbox => bbox_link
-      elsif user
-        @title =  t 'changeset.list.title_user', :user => user.display_name
-        @heading =  t 'changeset.list.heading_user', :user => user.display_name
-        @description = t 'changeset.list.description_user', :user => user_link
-      elsif bbox
-        @title =  t 'changeset.list.title_bbox', :bbox => bbox.to_s
-        @heading =  t 'changeset.list.heading_bbox', :bbox => bbox.to_s
-        @description = t 'changeset.list.description_bbox', :bbox => bbox_link
-      else
-        @title =  t 'changeset.list.title'
-        @heading =  t 'changeset.list.heading'
-        @description = t 'changeset.list.description'
+      if params[:max_id]
+        changesets = changesets.where("changesets.id <= ?", params[:max_id])
       end
 
-      @page = (params[:page] || 1).to_i
-      @page_size = 20
+      @edits = changesets.order("changesets.id DESC").limit(20).preload(:user, :changeset_tags)
 
-      @edits = changesets.order("changesets.created_at DESC").offset((@page - 1) * @page_size).limit(@page_size).preload(:user, :changeset_tags)
-
-      render :action => :list
+      render :action => :list, :layout => false
     end
   end
 
@@ -453,6 +414,20 @@ private
     end
   end
 
+  ##
+  # query changesets by a list of ids
+  # (either specified as array or comma-separated string)
+  def conditions_ids(changesets, ids)
+    if ids.nil?
+      return changesets
+    elsif ids.empty?
+      raise OSM::APIBadUserInput.new("No changesets were given to search for")
+    else
+      ids = ids.split(',').collect { |n| n.to_i }
+      return changesets.where(:id => ids)
+    end
+  end
+
   ##
   # eliminate empty changesets (where the bbox has not been set)
   # this should be applied to all changeset list displays