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class ApiController < ApplicationController
before_filter :check_api_key
def show_request
@request = InfoRequest.find(params[:id])
raise PermissionDenied if @request.public_body_id != @public_body.id
@request_data = {
:id => @request.id,
:url => make_url("request", @request.url_title),
:title => @request.title,
:created_at => @request.created_at,
:updated_at => @request.updated_at,
:status => @request.calculate_status,
:public_body_url => make_url("body", @request.public_body.url_name),
:requestor_url => make_url("user", @request.user.url_name),
:request_email => @request.incoming_email,
:request_text => @request.last_event_forming_initial_request.outgoing_message.body,
}
render :json => @request_data
end
def create_request
json = ActiveSupport::JSON.decode(params[:request_json])
request = InfoRequest.new(
:title => json["title"],
:public_body_id => @public_body.id,
:described_state => "waiting_response",
:external_user_name => json["external_user_name"],
:external_url => json["external_url"]
)
outgoing_message = OutgoingMessage.new(
:status => 'ready',
:message_type => 'initial_request',
:body => json["body"],
:last_sent_at => Time.now(),
:what_doing => 'normal_sort',
:info_request => request
)
request.outgoing_messages << outgoing_message
# Return an error if the request is invalid
# (Can this ever happen?)
if !request.valid?
render :json => {
'errors' => request.errors.full_messages
}
return
end
# Save the request, and add the corresponding InfoRequestEvent
request.save!
request.log_event("sent",
:api => true,
:email => nil,
:outgoing_message_id => outgoing_message.id,
:smtp_message_id => nil
)
request.set_described_state('waiting_response')
# Return the URL and ID number.
render :json => {
'url' => make_url("request", request.url_title),
'id' => request.id
}
end
def add_correspondence
request = InfoRequest.find_by_id(params[:id])
if request.nil?
render :json => { "errors" => ["Could not find request #{params[:id]}"] }, :status => 404
return
end
json = ActiveSupport::JSON.decode(params[:correspondence_json])
attachments = params[:attachments]
direction = json["direction"]
body = json["body"]
sent_at = json["sent_at"]
errors = []
if !request.is_external?
render :json => { "errors" => ["Request #{params[:id]} cannot be updated using the API"] }, :status => 500
return
end
if request.public_body_id != @public_body.id
render :json => { "errors" => ["You do not own request #{params[:id]}"] }, :status => 500
return
end
if !["request", "response"].include?(direction)
errors << "The direction parameter must be 'request' or 'response'"
end
if body.nil?
errors << "The 'body' is missing"
elsif body.empty?
errors << "The 'body' is empty"
end
if direction == "request" && !attachments.nil?
errors << "You cannot attach files to messages in the 'request' direction"
end
if !errors.empty?
render :json => { "errors" => errors }, :status => 500
return
end
if direction == "request"
# In the 'request' direction, i.e. what we (Alaveteli) regard as outgoing
outgoing_message = OutgoingMessage.new(
:info_request => request,
:status => 'ready',
:message_type => 'followup',
:body => body,
:last_sent_at => sent_at,
:what_doing => 'normal_sort'
)
request.outgoing_messages << outgoing_message
request.save!
request.log_event("followup_sent",
:api => true,
:email => nil,
:outgoing_message_id => outgoing_message.id,
:smtp_message_id => nil
)
else
# In the 'response' direction, i.e. what we (Alaveteli) regard as incoming
attachment_hashes = []
(attachments || []).each_with_index do |attachment, i|
filename = File.basename(attachment.original_filename)
attachment_body = attachment.read
content_type = AlaveteliFileTypes.filename_and_content_to_mimetype(filename, attachment_body) || 'application/octet-stream'
attachment_hashes.push(
:content_type => content_type,
:body => attachment_body,
:filename => filename
)
end
mail = RequestMailer.external_response(request, body, sent_at, attachment_hashes)
request.receive(mail, mail.encoded, true)
end
render :json => {
'url' => make_url("request", request.url_title),
}
end
def body_request_events
feed_type = params[:feed_type]
raise PermissionDenied.new("#{@public_body.id} != #{params[:id]}") if @public_body.id != params[:id].to_i
since_date_str = params[:since_date]
if since_date_str.nil?
@events = InfoRequestEvent.find_by_sql([
%(select info_request_events.*
from info_requests
join info_request_events on info_requests.id = info_request_events.info_request_id
where info_requests.public_body_id = ?
and info_request_events.event_type in (
'sent', 'followup_sent', 'resent', 'followup_resent'
)
order by info_request_events.created_at desc
), @public_body.id
])
else
begin
since_date = Date.strptime(since_date_str, "%Y-%m-%d")
rescue ArgumentError
render :json => {"errors" => [
"Parameter since_date must be in format yyyy-mm-dd (not '#{since_date_str}')" ] },
:status => 500
return
end
@events = InfoRequestEvent.find_by_sql([
%(select info_request_events.*
from info_requests
join info_request_events on info_requests.id = info_request_events.info_request_id
where info_requests.public_body_id = ?
and info_request_events.event_type in (
'sent', 'followup_sent', 'resent', 'followup_resent'
)
and info_request_events.created_at >= ?
order by info_request_events.created_at desc
), @public_body.id, since_date
])
end
if feed_type == "atom"
render :template => "api/request_events.atom", :layout => false
elsif feed_type == "json"
# For the JSON feed, we take a "since" parameter that allows the client
# to restrict to events more recent than a certain other event
if params[:since_event_id]
@since_event_id = params[:since_event_id].to_i
end
@event_data = []
@events.each do |event|
break if event.id == @since_event_id
request = event.info_request
this_event = {
:request_id => request.id,
:event_id => event.id,
:created_at => event.created_at.iso8601,
:event_type => event.event_type,
:request_url => request_url(request),
:request_email => request.incoming_email,
:title => request.title,
:body => event.outgoing_message.body,
:user_name => request.user_name,
}
if request.user
this_event[:user_url] = user_url(request.user)
end
@event_data.push(this_event)
end
render :json => @event_data
else
raise ActiveRecord::RecordNotFound.new("Unrecognised feed type: #{feed_type}")
end
end
protected
def check_api_key
raise PermissionDenied.new("Missing required parameter 'k'") if params[:k].nil?
@public_body = PublicBody.find_by_api_key(params[:k].gsub(' ', '+'))
raise PermissionDenied if @public_body.nil?
end
private
def make_url(*args)
"http://" + AlaveteliConfiguration::domain + "/" + args.join("/")
end
end
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