From 16ec9aba7e94e628f22bcaeb3ecdd7916f3a3df5 Mon Sep 17 00:00:00 2001
From: lnu <lnu@f70e237a-67f3-0310-a06c-d2b8a7116972>
Date: Thu, 31 Mar 2005 22:08:32 +0000
Subject: first import

git-svn-id: svn+ssh://svn.gna.org/svn/feed2imap/trunk/feed2imap@5 f70e237a-67f3-0310-a06c-d2b8a7116972
---
 lib/feed2imap/feed2imap.rb | 135 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 135 insertions(+)
 create mode 100644 lib/feed2imap/feed2imap.rb

(limited to 'lib/feed2imap/feed2imap.rb')

diff --git a/lib/feed2imap/feed2imap.rb b/lib/feed2imap/feed2imap.rb
new file mode 100644
index 0000000..0f09c51
--- /dev/null
+++ b/lib/feed2imap/feed2imap.rb
@@ -0,0 +1,135 @@
+#!/usr/bin/ruby
+
+=begin
+Feed2Imap - RSS/Atom Aggregator uploading to an IMAP Server
+Copyright (c) 2005 Lucas Nussbaum <lucas@lucas-nussbaum.net>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+=end
+
+require 'feed2imap/config'
+require 'feed2imap/cache'
+require 'feed2imap/channel'
+require 'feed2imap/httpfetcher'
+require 'logger'
+
+# Feed2Imap version
+F2I_VERSION = '0.1'
+
+class Feed2Imap
+  def initialize(verbose, cacherebuild, configfile)
+    @logger = Logger::new(STDOUT)
+    if verbose
+      @logger.level = Logger::DEBUG
+    else
+      @logger.level = Logger::WARN
+    end
+    @logger.info("Feed2Imap V.#{F2I_VERSION} started")
+    # reading config
+    @logger.info('Reading configuration file')
+    if not File::exist?(configfile)
+      @logger.fatal("Configuration file #{configfile} not found.")
+      exit(1)
+    end
+    begin
+      File::open(configfile) { 
+        |f| @config = F2IConfig::new(f)
+      }
+    rescue
+      @logger.fatal("Error while reading configuration file, exiting: #{$!}")
+      exit(1)
+    end
+    # init cache
+    @logger.info('Initializing cache')
+    @cache = ItemCache::new
+    if not File::exist?(@config.cache) 
+      @logger.warn("Cache file #{@config.cache} not found, using a new one")
+    else
+      File::open(@config.cache) { |f| @cache.load(f) }
+    end
+    # connecting all IMAP accounts
+    @logger.info('Connecting to IMAP accounts')
+    @config.imap_accounts.each_value do |ac|
+      begin
+        ac.connect
+      rescue
+        @logger.fatal("Error while connecting to #{ac}, exiting: #{$!}")
+        exit(1)
+      end
+    end
+    # for each feed, fetch, upload to IMAP and cache
+    @config.feeds.each do |f|
+      @logger.info("Processing #{f.url}")
+      begin
+        # check that folder exist
+        f.imapaccount.create_folder(f.folder) if not f.imapaccount.folder_exist?(f.folder)
+      rescue
+        @logger.fatal("Error while creating IMAP folder #{f.folder}: #{$!}")
+        exit(1)
+      end
+      begin
+        body = HTTPFetcher::fetch(f.url, @cache.get_last_check(f.name))
+      rescue Timeout::Error
+        @logger.fatal("Timeout::Error while fetching #{f.url}: #{$!}")
+        next
+      rescue
+        @logger.fatal("Error while fetching #{f.url}: #{$!}")
+        next
+      end
+      next if body.nil? # means 304
+      begin
+        channel = Channel::new(body)
+      rescue
+        @logger.fatal("Error while parsing #{f.url}: #{$!}")
+        next
+      end
+      begin
+        newitems, updateditems = @cache.get_new_items(f.name, channel.items)
+      rescue
+        @logger.fatal("Exception caught when selecting new items for #{f.url}: #{$!}")
+        puts $!.backtrace
+        next
+      end
+      @logger.info("#{newitems.length} new items, #{updateditems.length} updated items.") if newitems.length > 0 or updateditems.length > 0
+      begin
+        if !cacherebuild
+          updateditems.each { |i| f.imapaccount.updatemail(f.folder, i.to_mail(f.name), i.cacheditem.index) }
+          newitems.each { |i| f.imapaccount.putmail(f.folder, i.to_mail(f.name)) }
+        end
+      rescue
+        @logger.fatal("Exception caught while uploading mail to #{f.folder}: #{$!}")
+        next
+      end
+      begin
+        @cache.update_cache(f.name, channel.items)
+      rescue
+        @logger.fatal("Exception caught while updating cache for #{f.name}: #{$!}")
+        next
+      end
+    end
+    @logger.info("Finished. Saving cache")
+    begin
+      File::open(@config.cache, 'w') { |f| @cache.save(f) }
+    rescue
+      @logger.fatal("Exception caught while writing cache to #{@config.cache}: #{$!}")
+    end
+    @logger.info("Closing IMAP connections")
+    begin
+      @config.imap_accounts.each_value { |ac| ac.disconnect }
+    rescue
+      @logger.fatal("Exception caught while closing connection to #{ac.to_s}: #{$!}")
+    end
+  end
+end
-- 
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