diff options
Diffstat (limited to 'app/models/incoming_message.rb')
| -rw-r--r-- | app/models/incoming_message.rb | 33 |
1 files changed, 28 insertions, 5 deletions
diff --git a/app/models/incoming_message.rb b/app/models/incoming_message.rb index 385657704..653097bab 100644 --- a/app/models/incoming_message.rb +++ b/app/models/incoming_message.rb @@ -18,7 +18,7 @@ # Copyright (c) 2007 UK Citizens Online Democracy. All rights reserved. # Email: francis@mysociety.org; WWW: http://www.mysociety.org/ # -# $Id: incoming_message.rb,v 1.120 2008-07-16 23:45:41 francis Exp $ +# $Id: incoming_message.rb,v 1.121 2008-07-17 03:30:54 francis Exp $ # TODO # Move some of the (e.g. quoting) functions here into rblib, as they feel @@ -110,6 +110,11 @@ class IncomingMessage < ActiveRecord::Base has_many :outgoing_message_followups, :foreign_key => 'incoming_message_followup_id', :class_name => 'OutgoingMessage' + # Some emails are large (10Mb), making things like search results and the + # front page list of requests slow to display as the data is transferred from + # the database. + attr_lazy :raw_data + # Return the structured TMail::Mail object # Documentation at http://i.loveruby.net/en/projects/tmail/doc/ def mail @@ -121,12 +126,21 @@ class IncomingMessage < ActiveRecord::Base end # Number the attachments in depth first tree order, for use in URLs. + # XXX This fills in part.rfc822_attachment and part.url_part_number within + # all the parts of the email (see TMail monkeypatch above for how these + # attributes are added). ensure_parts_counted must be called before using + # the attributes. This calculation is done only when required to avoid + # having to load and parse the email unnecessarily. def after_initialize - if !self.mail.nil? + @parts_counted = false + end + def ensure_parts_counted + if not @parts_counted @count_parts_count = 0 count_parts_recursive(self.mail) # we carry on using these numeric ids for attachments uudecoded from within text parts @count_first_uudecode_count = @count_parts_count + @parts_counted = true end end def count_parts_recursive(part) @@ -147,8 +161,8 @@ class IncomingMessage < ActiveRecord::Base end end # And look up by URL part number to get an attachment + # XXX relies on get_attachments_for_display calling ensure_parts_counted def self.get_attachment_by_url_part_number(attachments, found_url_part_number) - @count_parts_count = 0 attachments.each do |a| if a.url_part_number == found_url_part_number return a @@ -378,7 +392,7 @@ class IncomingMessage < ActiveRecord::Base end # If the part is an attachment of email in text form if curr_mail.content_type == 'message/rfc822' - # This has been expanded from text to an email in count_parts_recursive above + ensure_parts_counted # fills in rfc822_attachment variable leaves_found += get_attachment_leaves_recursive(curr_mail.rfc822_attachment) else # Store leaf @@ -390,7 +404,14 @@ class IncomingMessage < ActiveRecord::Base # Returns body text from main text part of email, converted to UTF-8, with uudecode removed def get_main_body_text - text = get_main_body_text_internal + # Cached as loading raw_data can be quite huge, and need this for just + # search results + if self.cached_main_body_text.nil? + text = self.get_main_body_text_internal + self.cached_main_body_text = text + self.save! + end + text = self.cached_main_body_text # Strip the uudecode parts from main text text = text.split(/^begin.+^`\n^end\n/sm).join(" ") @@ -530,6 +551,8 @@ class IncomingMessage < ActiveRecord::Base # Returns all attachments for use in display code def get_attachments_for_display + ensure_parts_counted + main_part = get_main_body_text_part leaves = get_attachment_leaves attachments = [] |