+ end
+
+ if params[:bbox]
+ bbox = params[:bbox]
+ elsif params[:minlon] and params[:minlat] and params[:maxlon] and params[:maxlat]
+ bbox = params[:minlon] + ',' + params[:minlat] + ',' + params[:maxlon] + ',' + params[:maxlat]
+ end
+
+ if bbox
+ conditions = cond_merge conditions, conditions_bbox(bbox)
+ bbox = BoundingBox.from_s(bbox)
+ bbox_link = render_to_string :partial => "bbox", :object => bbox
+ end
+
+ if user
+ user_link = render_to_string :partial => "user", :object => user
+ end
+
+ if 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'
+ end
+
+ @page = (params[:page] || 1).to_i
+ @page_size = 20
+
+ @edits = Changeset.find(:all,
+ :include => [:user, :changeset_tags],
+ :conditions => conditions,
+ :order => "changesets.created_at DESC",
+ :offset => (@page - 1) * @page_size,
+ :limit => @page_size)
+ end
+
+private
+ #------------------------------------------------------------
+ # utility functions below.
+ #------------------------------------------------------------
+
+ ##
+ # merge two conditions
+ def cond_merge(a, b)
+ if a and b
+ a_str = a.shift
+ b_str = b.shift
+ return [ a_str + " AND " + b_str ] + a + b
+ elsif a
+ return a
+ else b
+ return b
+ end
+ end
+
+ ##
+ # if a bounding box was specified then parse it and do some sanity
+ # checks. this is mostly the same as the map call, but without the
+ # area restriction.
+ def conditions_bbox(bbox)
+ unless bbox.nil?
+ raise OSM::APIBadUserInput.new("Bounding box should be min_lon,min_lat,max_lon,max_lat") unless bbox.count(',') == 3
+ bbox = sanitise_boundaries(bbox.split(/,/))
+ raise OSM::APIBadUserInput.new("Minimum longitude should be less than maximum.") unless bbox[0] <= bbox[2]
+ raise OSM::APIBadUserInput.new("Minimum latitude should be less than maximum.") unless bbox[1] <= bbox[3]
+ return ['min_lon < ? and max_lon > ? and min_lat < ? and max_lat > ?',
+ bbox[2] * GeoRecord::SCALE, bbox[0] * GeoRecord::SCALE, bbox[3]* GeoRecord::SCALE, bbox[1] * GeoRecord::SCALE]
+ else
+ return nil
+ end
+ end
+
+ ##
+ # restrict changesets to those by a particular user
+ def conditions_user(user, name)
+ unless user.nil? and name.nil?
+ # 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
+
+ # 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
+ 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?
+
+ # should be able to get changesets of public users only, or
+ # our own changesets regardless of public-ness.
+ unless u.data_public?
+ # get optional user auth stuff so that users can see their own
+ # changesets if they're non-public
+ setup_user_auth
+
+ raise OSM::APINotFoundError if @user.nil? or @user.id != u.id
projects / rails.git / blobdiff