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changeset_comments_controller.rb
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changeset_comments_controller.rb
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module Api
class ChangesetCommentsController < ApiController
before_action :check_api_writable
before_action :check_api_readable, :except => [:create]
before_action :authorize
authorize_resource
before_action :require_public_data, :only => [:create]
before_action :set_request_formats
around_action :api_call_handle_error
around_action :api_call_timeout
##
# Add a comment to a changeset
def create
# Check the arguments are sane
raise OSM::APIBadUserInput, "No id was given" unless params[:id]
raise OSM::APIBadUserInput, "No text was given" if params[:text].blank?
raise OSM::APIRateLimitExceeded if rate_limit_exceeded?
# Extract the arguments
id = params[:id].to_i
body = params[:text]
# Find the changeset and check it is valid
changeset = Changeset.find(id)
raise OSM::APIChangesetNotYetClosedError, changeset if changeset.open?
# Add a comment to the changeset
comment = changeset.comments.create(:changeset => changeset,
:body => body,
:author => current_user)
# Notify current subscribers of the new comment
changeset.subscribers.visible.each do |user|
UserMailer.changeset_comment_notification(comment, user).deliver_later if current_user != user
end
# Add the commenter to the subscribers if necessary
changeset.subscribers << current_user unless changeset.subscribers.exists?(current_user.id)
# Return a copy of the updated changeset
@changeset = changeset
render "api/changesets/show"
respond_to do |format|
format.xml
format.json
end
end
##
# Sets visible flag on comment to false
def destroy
# Check the arguments are sane
raise OSM::APIBadUserInput, "No id was given" unless params[:id]
# Extract the arguments
id = params[:id].to_i
# Find the changeset
comment = ChangesetComment.find(id)
# Hide the comment
comment.update(:visible => false)
# Return a copy of the updated changeset
@changeset = comment.changeset
render "api/changesets/show"
respond_to do |format|
format.xml
format.json
end
end
##
# Sets visible flag on comment to true
def restore
# Check the arguments are sane
raise OSM::APIBadUserInput, "No id was given" unless params[:id]
# Extract the arguments
id = params[:id].to_i
# Find the changeset
comment = ChangesetComment.find(id)
# Unhide the comment
comment.update(:visible => true)
# Return a copy of the updated changeset
@changeset = comment.changeset
render "api/changesets/show"
respond_to do |format|
format.xml
format.json
end
end
private
##
# Check if the current user has exceed the rate limit for comments
def rate_limit_exceeded?
recent_comments = current_user.changeset_comments.where("created_at >= ?", Time.now.utc - 1.hour).count
recent_comments >= current_user.max_changeset_comments_per_hour
end
end
end