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|
require 'elasticsearch'
require 'date'
require 'pp'
module Ag::Storage
module_function
def index_name(list)
'ml-' + list
end
def index_status(indexname)
$es.cluster.health(level: :indices)['indices'][indexname]['status'] || 'FAIL'
end
def index_ready?(indexname)
# watch out if you rewrite this
# if you call index_status twice, you might get different results!
[:green, :yellow].include? index_status(indexname).downcase.to_sym
end
# throws Elasticsearch::Transport::Transport::Errors::NotFound
# if the list does not exist
def delete_index(list)
$es.indices.delete(index: index_name(list))
end
# Create an index for list
# sleep in 5ms intervals until it is ready
def create_index(list, sleeptime: 0.005)
indexname = index_name(list)
$es.indices.create(
index: indexname,
body: {
mappings: {
message: {
properties: {
attachments: {
properties: {
filename: {
type: 'string',
index: 'not_analyzed'
},
mime: {
type: 'string',
index: 'not_analyzed'
}
}
},
received: {
properties: {
hop: {
type: 'string',
index: 'not_analyzed'
},
date: {
type: 'date',
format: 'dateOptionalTime'
}
}
},
cc: {
type: 'string'
},
content: {
type: 'string'
},
date: {
type: 'date',
format: 'dateOptionalTime'
},
from: {
type: 'string'
},
from_realname: {
type: 'string'
},
month: {
type: 'integer'
},
parent: {
type: 'string',
index: 'not_analyzed'
},
raw_message_id: {
type: 'string',
index: 'not_analyzed'
},
raw_filename: {
type: 'string',
index: 'not_analyzed'
},
raw_parent: {
type: 'string'
},
subject: {
type: 'string'
},
to: {
type: 'string'
},
hidden: {
type: 'boolean'
},
comment: {
type: 'string',
index: 'not_analyzed'
}
}
}
}
})
# Give elasticsearch some time to process the new index
sleep sleeptime until index_ready?(indexname)
end
def get_content(message, filename)
content = 'Cannot parse MIME/contents.'
begin
raw_content = Ag::Rendering::HTMLizer.HTMLize(message)
content = Ag::Utils.fix_encoding(raw_content || '').strip
if content == ''
$stderr.puts "#{message.message_id}: Content empty?" if $options.debug
end
rescue => e
$stderr.puts "Cannot render message #{message.message_id} (file: #{filename}): #{e}" if $options.debug
end
content
end
def resolve_by_field(list, field, value)
return nil if value.nil?
result = $es.search(
index: index_name(list),
body: {
query: {
filtered: {
filter: {
term: { field => value }
}
}
},
fields: ['_id']
}
)
return nil if result['hits']['total'] == 0
result['hits']['hits'].first['_id']
end
def resolve_message_id(list, message_id = nil)
resolve_by_field(list, :raw_message_id, message_id)
end
def resolve_filename(list, filename)
resolve_by_field(list, :raw_filename, filename)
end
def resolve_hash(list, hash = nil)
resolve_by_field(list, :_id, hash)
end
def store(list, message, filename)
content = get_content(message, filename)
identifier = nil
begin
identifier = message['X-Archives-Hash'].value
rescue NoMethodError
raise 'No archives hash found in the message headers'
end
raw_parent = Ag::Threading.get_parent_message_id(message)
from = Ag::Utils.resolve_address_header(message, :from).first
from_realname = Ag::Utils.get_sender_displayname(message)
to = Ag::Utils.resolve_address_header(message, :to)
cc = Ag::Utils.resolve_address_header(message, :cc)
subject = Ag::Utils.fix_encoding(message.subject)
date = [message.received].flatten.first.field.date_time
received = []
[message.received].flatten.each do |hop|
begin
received << {
hop: hop.field.info,
date: hop.field.date_time
}
rescue => e
next
end
end
attachments = []
if message.has_attachments?
message.attachments.each do |attachment|
attachments << {
filename: attachment.filename,
mime: attachment.mime_type
}
end
end
$es.index(
index: index_name(list),
type: 'message',
id: identifier,
body: {
raw_message_id: message.message_id,
subject: subject,
to: to,
cc: cc,
from: from,
from_realname: from_realname,
date: date,
month: ('%i%02i' % [date.year, date.month]).to_i, # this is a sortable number!
content: content,
attachments: attachments,
received: received,
raw_parent: raw_parent,
raw_filename: filename
}
)
end
def fix_threading(list, pass)
result = $es.search(
index: index_name(list),
size: 5000,
body: {
size: 5000,
query: {
filtered: {
filter: {
and: [
{
missing: {
field: 'parent'
}
},
{
exists: {
field: 'raw_parent'
}
}
]
}
}
}
}
)
opts = {
in_processes: Ag::Utils.proc_count
}
opts[:progress] = "Calculating Threading (Pass #{pass})" if $options.progress
Parallel.each(result['hits']['hits'], opts) do |hit|
msg = resolve_message_id(list, hit['_source']['raw_parent'])
update(list, hit['_id'], doc: { parent: msg }) unless msg.nil?
end
result['hits']['total']
end
def delete(list, id)
$es.delete(index: index_name(list), type: 'message', id: id)
end
def _hide_unhide(list, id, hide_status, comment)
doc = { hidden: hide_status }
doc[:comment] = comment if comment # Only modify it if it exists
update(list, id, doc: doc,
detect_noop: true)
end
def hide(list, id, comment)
hide_unhide(list, id, true, comment)
end
def unhide(list, id, comment)
_hide_unhide(list, id, false, comment)
end
def update(list, id, doc_changes)
raise "Invalid update for #{list}/#{id} #{doc_changes}" unless doc_changes.is_a?(Hash)
$es.update(
index: index_name(list),
type: 'message',
id: id,
body: doc_changes
)
end
def get(list, id)
result = $es.search(
index: index_name(list),
size: 1,
body: {
query: {
filtered: {
filter: {
term: { _id: id }
}
}
}
}
)
return nil if result['hits']['total'] == 0
result['hits']['hits'].first
end
end
# vim: ts=2 sts=2 et ft=ruby:
|