private
+ ##
+ # Filter the resulting items by user
+ def query_conditions_user(items, filter_property)
+ user = query_conditions_user_value
+ items = items.where(filter_property => user) if user
+ items
+ end
+
+ ##
+ # Get user value for query filtering by user
+ # Raises OSM::APIBadUserInput if user not found like notes api does, changesets api raises OSM::APINotFoundError instead
+ def query_conditions_user_value
+ if params[:display_name] || params[:user]
+ if params[:display_name]
+ user = User.find_by(:display_name => params[:display_name])
+
+ raise OSM::APIBadUserInput, "User #{params[:display_name]} not known" unless user
+ else
+ user = User.find_by(:id => params[:user])
+
+ raise OSM::APIBadUserInput, "User #{params[:user]} not known" unless user
+ end
+
+ user
+ end
+ end
+
+ ##
+ # Restrict the resulting items to those created during a particular time period
+ # Using 'to' requires specifying 'from' as well for historical reasons
+ def query_conditions_time(items, filter_property = :created_at)
+ interval = query_conditions_time_value
+
+ if interval
+ items.where(filter_property => interval)
+ else
+ items
+ end
+ end
+
+ ##
+ # Get query time interval from request parameters or nil
+ def query_conditions_time_value
+ if params[:from]
+ begin
+ from = Time.parse(params[:from]).utc
+ rescue ArgumentError
+ raise OSM::APIBadUserInput, "Date #{params[:from]} is in a wrong format"
+ end
+
+ begin
+ to = if params[:to]
+ Time.parse(params[:to]).utc
+ else
+ Time.now.utc
+ end
+ rescue ArgumentError
+ raise OSM::APIBadUserInput, "Date #{params[:to]} is in a wrong format"
+ end
+
+ from..to
+ end
+ end
+
##
# Limit the result according to request parameters and settings
def query_limit(items)