class Maildir < Source
SCAN_INTERVAL = 30 # seconds
- def initialize uri, last_date=nil, usual=true, archived=false, id=nil
- super
+ ## remind me never to use inheritance again.
+ yaml_properties :uri, :cur_offset, :usual, :archived, :id, :labels
+ def initialize uri, last_date=nil, usual=true, archived=false, id=nil, labels=[]
+ uri = Source.expand_filesystem_uri uri
+ super uri, last_date, usual, archived, id
uri = URI(uri)
raise ArgumentError, "not a maildir URI" unless uri.scheme == "maildir"
raise ArgumentError, "maildir URI cannot have a host: #{uri.host}" if uri.host
@dir = uri.path
+ @labels = (labels || []).freeze
@ids = []
@ids_to_fns = {}
@last_scan = nil
@mutex = Mutex.new
end
+ def file_path; @dir end
+ def self.suggest_labels_for path; [] end
+ def is_source_for? uri; super || (URI(Source.expand_filesystem_uri(uri)) == URI(self.uri)); end
+
+ def check
+ scan_mailbox
+ start = @ids.index(cur_offset || start_offset) or raise OutOfSyncSourceError, "Unknown message id #{cur_offset || start_offset}." # couldn't find the most recent email
+ end
+
def load_header id
scan_mailbox
with_file_for(id) { |f| MBox::read_header f }
ids << id
ids_to_fns[id] = fn
end
- p [ids.sort, ids_to_fns]
[ids.sort, ids_to_fns]
end
- rescue SystemCallError => e
+ rescue SystemCallError, IOError => e
raise FatalSourceError, "Problem scanning Maildir directories: #{e.message}."
end
start.upto(@ids.length - 1) do |i|
id = @ids[i]
self.cur_offset = id
- yield id, (@ids_to_fns[id] =~ /,.*R.*$/ ? [] : [:unread])
+ yield id, @labels + (seen?(id) ? [] : [:unread]) + (trashed?(id) ? [:deleted] : [])
end
end
def pct_done; 100.0 * (@ids.index(cur_offset) || 0).to_f / (@ids.length - 1).to_f; end
+ def draft? msg; maildir_data(msg)[2].include? "D"; end
+ def flagged? msg; maildir_data(msg)[2].include? "F"; end
+ def passed? msg; maildir_data(msg)[2].include? "P"; end
+ def replied? msg; maildir_data(msg)[2].include? "R"; end
+ def seen? msg; maildir_data(msg)[2].include? "S"; end
+ def trashed? msg; maildir_data(msg)[2].include? "T"; end
+
+ def mark_draft msg; maildir_mark_file msg, "D" unless draft? msg; end
+ def mark_flagged msg; maildir_mark_file msg, "F" unless flagged? msg; end
+ def mark_passed msg; maildir_mark_file msg, "P" unless passed? msg; end
+ def mark_replied msg; maildir_mark_file msg, "R" unless replied? msg; end
+ def mark_seen msg; maildir_mark_file msg, "S" unless seen? msg; end
+ def mark_trashed msg; maildir_mark_file msg, "T" unless trashed? msg; end
+
private
def make_id fn
fn = @ids_to_fns[id] or raise OutOfSyncSourceError, "No such id: #{id.inspect}."
begin
File.open(fn) { |f| yield f }
- rescue SystemCallError => e
+ rescue SystemCallError, IOError => e
raise FatalSourceError, "Problem reading file for id #{id.inspect}: #{fn.inspect}: #{e.message}."
end
end
-end
-Redwood::register_yaml(Maildir, %w(uri cur_offset usual archived id))
+ def maildir_data msg
+ fn = File.basename @ids_to_fns[msg]
+ fn =~ %r{^([^:,]+):([12]),([DFPRST]*)$}
+ [($1 || fn), ($2 || "2"), ($3 || "")]
+ end
+
+ ## not thread-safe on msg
+ def maildir_mark_file msg, flag
+ orig_path = @ids_to_fns[msg]
+ orig_base, orig_fn = File.split(orig_path)
+ new_base = orig_base.slice(0..-4) + 'cur'
+ tmp_base = orig_base.slice(0..-4) + 'tmp'
+ md_base, md_ver, md_flags = maildir_data msg
+ md_flags += flag; md_flags = md_flags.split(//).sort.join.squeeze
+ new_path = File.join new_base, "#{md_base}:#{md_ver},#{md_flags}"
+ tmp_path = File.join tmp_base, "#{md_base}:#{md_ver},#{md_flags}"
+ File.link orig_path, tmp_path
+ File.unlink orig_path
+ File.link tmp_path, new_path
+ File.unlink tmp_path
+ @ids_to_fns[msg] = new_path
+ end
+end
end