X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/eedf8a55e4e14d8721b209201b2bdd96d5b6738e..c32f6dd4fffe1d2b5fc34f42e447e7b5c8fc5b92:/app/controllers/api/changesets_controller.rb?ds=sidebyside diff --git a/app/controllers/api/changesets_controller.rb b/app/controllers/api/changesets_controller.rb index 0dffd4de2..3d59eeb17 100644 --- a/app/controllers/api/changesets_controller.rb +++ b/app/controllers/api/changesets_controller.rb @@ -2,10 +2,8 @@ module Api class ChangesetsController < ApiController - require "xml/libxml" - before_action :check_api_writable, :only => [:create, :update, :upload, :subscribe, :unsubscribe] - before_action :check_api_readable, :except => [:create, :update, :upload, :download, :query, :subscribe, :unsubscribe] + before_action :setup_user_auth, :only => [:show] before_action :authorize, :only => [:create, :update, :upload, :close, :subscribe, :unsubscribe] authorize_resource @@ -19,13 +17,54 @@ module Api # Helper methods for checking consistency include ConsistencyValidations + ## + # query changesets by bounding box, time, user or open/closed status. + def index + 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"] + + # 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_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 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) + + respond_to do |format| + format.xml + format.json + end + end + ## # Return XML giving the basic info about the changeset. Does not # return anything about the nodes, ways and relations in the changeset. def show @changeset = Changeset.find(params[:id]) - @include_discussion = params[:include_discussion].presence - render "changeset" + if params[:include_discussion].presence + @comments = @changeset.comments + @comments = @comments.unscope(:where => :visible) if params[:show_hidden_comments].presence && can?(:restore, ChangesetComment) + @comments = @comments.includes(:author) + end respond_to do |format| format.xml @@ -35,8 +74,6 @@ module Api # Create a changeset from XML. def create - assert_method :put - cs = Changeset.from_xml(request.raw_post, :create => true) # Assume that Changeset.from_xml has thrown an exception if there is an error parsing the xml @@ -44,7 +81,7 @@ module Api cs.save_with_tags! # Subscribe user to changeset comments - cs.subscribers << current_user + cs.subscribe(current_user) render :plain => cs.id.to_s end @@ -53,8 +90,6 @@ module Api # marks a changeset as closed. this may be called multiple times # on the same changeset, so is idempotent. def close - assert_method :put - changeset = Changeset.find(params[:id]) check_changeset_consistency(changeset, current_user) @@ -80,18 +115,16 @@ module Api # Returns: a diffResult document, as described in # http://wiki.openstreetmap.org/wiki/OSM_Protocol_Version_0.6 def upload - # only allow POST requests, as the upload method is most definitely - # not idempotent, as several uploads with placeholder IDs will have - # different side-effects. - # see http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9.1.2 - assert_method :post - changeset = Changeset.find(params[:id]) check_changeset_consistency(changeset, current_user) diff_reader = DiffReader.new(request.raw_post, changeset) Changeset.transaction do result = diff_reader.commit + # the number of changes in this changeset has already been + # updated and is visible in this transaction so we don't need + # to allow for any more when checking the limit + check_rate_limit(0) render :xml => result.to_s end end @@ -121,13 +154,7 @@ module Api # almost sensible ordering available. this would be much nicer if # global (SVN-style) versioning were used - then that would be # unambiguous. - elements.sort! do |a, b| - if a.timestamp == b.timestamp - a.version <=> b.version - else - a.timestamp <=> b.timestamp - end - end + elements.sort_by! { |e| [e.timestamp, e.version] } # generate an output element for each operation. note: we avoid looking # at the history because it is simpler - but it would be more correct to @@ -154,35 +181,6 @@ module Api end end - ## - # query changesets by bounding box, time, user or open/closed status. - def query - # find any bounding box - 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) - 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"]) - - # sort and limit the changesets - changesets = changesets.order("created_at DESC").limit(result_limit) - - # preload users, tags and comments, and render result - @changesets = changesets.preload(:user, :changeset_tags, :comments) - render "changesets" - - respond_to do |format| - format.xml - format.json - end - end - ## # updates a changeset's tags. none of the changeset's attributes are # user-modifiable, so they will be ignored. @@ -192,15 +190,12 @@ module Api # # after succesful update, returns the XML of the changeset. def update - # request *must* be a PUT. - assert_method :put - @changeset = Changeset.find(params[:id]) new_changeset = Changeset.from_xml(request.raw_post) check_changeset_consistency(@changeset, current_user) @changeset.update_from(new_changeset, current_user) - render "changeset" + render "show" respond_to do |format| format.xml @@ -219,14 +214,14 @@ module Api # Find the changeset and check it is valid changeset = Changeset.find(id) - raise OSM::APIChangesetAlreadySubscribedError, changeset if changeset.subscribers.exists?(current_user.id) + raise OSM::APIChangesetAlreadySubscribedError, changeset if changeset.subscribed?(current_user) # Add the subscriber - changeset.subscribers << current_user + changeset.subscribe(current_user) # Return a copy of the updated changeset @changeset = changeset - render "changeset" + render "show" respond_to do |format| format.xml @@ -245,14 +240,14 @@ module Api # Find the changeset and check it is valid changeset = Changeset.find(id) - raise OSM::APIChangesetNotSubscribedError, changeset unless changeset.subscribers.exists?(current_user.id) + raise OSM::APIChangesetNotSubscribedError, changeset unless changeset.subscribed?(current_user) # Remove the subscriber - changeset.subscribers.delete(current_user) + changeset.unsubscribe(current_user) # Return a copy of the updated changeset @changeset = changeset - render "changeset" + render "show" respond_to do |format| format.xml @@ -269,7 +264,6 @@ module Api ## # if a bounding box was specified do some sanity checks. # restrict changesets to those enclosed by a bounding box - # we need to return both the changesets and the bounding box def conditions_bbox(changesets, bbox) if bbox bbox.check_boundaries @@ -297,7 +291,7 @@ module Api # 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 @@ -315,12 +309,12 @@ module Api 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 @@ -336,7 +330,7 @@ module Api changesets.where("closed_at >= ? and created_at <= ?", from, to) else # if there is no comma, assume its a lower limit on time - changesets.where("closed_at >= ?", Time.parse(time).utc) + changesets.where(:closed_at => Time.parse(time).utc..) end # stupid Time seems to throw both of these for bad parsing, so # we have to catch both and ensure the correct code path is taken. @@ -344,6 +338,33 @@ module Api 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