# Helper methods for checking consistency
include ConsistencyValidations
- DEFAULT_QUERY_LIMIT = 100
- MAX_QUERY_LIMIT = 100
-
##
# Return XML giving the basic info about the changeset. Does not
# return anything about the nodes, ways and relations in the changeset.
##
# query changesets by bounding box, time, user or open/closed status.
def query
+ raise OSM::APIBadUserInput, "cannot use order=oldest with time" if params[:time] && params[:order] == "oldest"
+
# find any bounding box
bbox = BoundingBox.from_bbox_params(params) if params["bbox"]
changesets = conditions_bbox(changesets, bbox)
changesets = conditions_user(changesets, params["user"], params["display_name"])
changesets = conditions_time(changesets, params["time"])
+ changesets = conditions_from_to(changesets, params["from"], params["to"])
changesets = conditions_open(changesets, params["open"])
changesets = conditions_closed(changesets, params["closed"])
changesets = conditions_ids(changesets, params["changesets"])
- # sort and limit the changesets
- changesets = changesets.order("created_at DESC").limit(result_limit)
+ # sort the changesets
+ changesets = if params[:order] == "oldest"
+ changesets.order(:created_at => :asc)
+ else
+ changesets.order(:created_at => :desc)
+ end
+
+ # limit the result
+ changesets = changesets.limit(result_limit)
# preload users, tags and comments, and render result
@changesets = changesets.preload(:user, :changeset_tags, :comments)
# user input checking, we don't have any UIDs < 1
raise OSM::APIBadUserInput, "invalid user ID" if user.to_i < 1
- u = User.find(user.to_i)
+ u = User.find_by(:id => user.to_i)
else
u = User.find_by(:display_name => name)
end
raise OSM::APINotFoundError if current_user.nil? || current_user != u
end
- changesets.where(:user_id => u.id)
+ changesets.where(:user => u)
end
end
##
- # restrict changes to those closed during a particular time period
+ # restrict changesets to those during a particular time period
def conditions_time(changesets, time)
if time.nil?
changesets
raise OSM::APIBadUserInput, e.message.to_s
end
+ ##
+ # restrict changesets to those opened during a particular time period
+ # works similar to from..to of notes controller, including the requirement of 'from' when specifying 'to'
+ def conditions_from_to(changesets, from, to)
+ if from
+ begin
+ from = Time.parse(from).utc
+ rescue ArgumentError
+ raise OSM::APIBadUserInput, "Date #{from} is in a wrong format"
+ end
+
+ begin
+ to = if to
+ Time.parse(to).utc
+ else
+ Time.now.utc
+ end
+ rescue ArgumentError
+ raise OSM::APIBadUserInput, "Date #{to} is in a wrong format"
+ end
+
+ changesets.where(:created_at => from..to)
+ else
+ changesets
+ end
+ end
+
##
# return changesets which are open (haven't been closed yet)
# we do this by seeing if the 'closed at' time is in the future. Also if we've
# Get the maximum number of results to return
def result_limit
if params[:limit]
- if params[:limit].to_i.positive? && params[:limit].to_i <= MAX_QUERY_LIMIT
+ if params[:limit].to_i.positive? && params[:limit].to_i <= Settings.max_changeset_query_limit
params[:limit].to_i
else
- raise OSM::APIBadUserInput, "Changeset limit must be between 1 and #{MAX_QUERY_LIMIT}"
+ raise OSM::APIBadUserInput, "Changeset limit must be between 1 and #{Settings.max_changeset_query_limit}"
end
else
- DEFAULT_QUERY_LIMIT
+ Settings.default_changeset_query_limit
end
end
end