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-- Gemeinschaft 5 module: fax class
-- (c) AMOOMA GmbH 2012
--
module(...,package.seeall)
FAX_DOCUMENTS_DIRECTORY = '/tmp/'
FAX_PARALLEL_MAX = 8;
Fax = {}
-- Create Fax object
function Fax.new(self, arg)
arg = arg or {}
object = arg.object or {}
setmetatable(object, self)
self.__index = self
self.class = 'faxaccount';
self.log = arg.log;
self.database = arg.database;
self.record = arg.record;
self.fax_directory = arg.fax_directory or FAX_DOCUMENTS_DIRECTORY;
return object;
end
-- find fax account by id
function Fax.find_by_id(self, id)
local sql_query = 'SELECT * FROM `fax_accounts` WHERE `id` = ' .. tonumber(id) .. ' LIMIT 1';
local fax_account = nil;
self.database:query(sql_query, function(fax_entry)
fax_account = Fax:new(self);
fax_account.record = fax_entry;
fax_account.id = tonumber(fax_entry.id);
fax_account.uuid = fax_entry.uuid;
end)
return fax_account;
end
-- find fax account by uuid
function Fax.find_by_uuid(self, uuid)
local sql_query = 'SELECT * FROM `fax_accounts` WHERE `uuid` = "' .. uuid .. '" LIMIT 1';
local fax_account = nil;
self.database:query(sql_query, function(fax_entry)
fax_account = Fax:new(self);
fax_account.record = fax_entry;
fax_account.id = tonumber(fax_entry.id);
fax_account.uuid = fax_entry.uuid;
end)
return fax_account;
end
function Fax.destination_numbers(self, id)
local sql_query = 'SELECT `number` FROM `phone_numbers` WHERE `phone_numberable_type` = "FaxDocument" AND `phone_numberable_id` = ' .. tonumber(id);
local destination_numbers = {}
self.database:query(sql_query, function(fax_entry)
table.insert(destination_numbers, fax_entry.number);
end)
return destination_numbers;
end
function Fax.destination_number(self, id)
local sql_query = 'SELECT `number` FROM `phone_numbers` WHERE `phone_numberable_type` = "FaxDocument" AND `phone_numberable_id`= ' .. tonumber(id) .. ' LIMIT 1';
local destination_number = nil;
self.database:query(sql_query, function(fax_entry)
destination_number = fax_entry.number;
end)
return destination_number;
end
-- List waiting fax documents
function Fax.queued_for_sending(self, limit)
limit = limit or FAX_PARALLEL_MAX;
local sql_query = 'SELECT * FROM `fax_documents` WHERE `state` IN ("queued_for_sending","unsuccessful") AND `retry_counter` > 0 ORDER BY `sent_at` ASC LIMIT ' .. limit;
local fax_documents = {}
self.database:query(sql_query, function(fax_entry)
fax_entry['destination_numbers'] = Fax:destination_numbers(fax_entry.id)
table.insert(fax_documents, fax_entry);
end)
return fax_documents;
end
-- Update fax document sending status
function Fax.document_update(self, id, params)
require 'common.str'
local params_sql = {}
for name, value in pairs(params) do
table.insert(params_sql, '`' .. name .. '`=' .. common.str.to_sql(value));
end
if not params['sent_at'] then
table.insert(params_sql, '`sent_at`=NOW()');
end
if not params['updated_at'] then
table.insert(params_sql, '`updated_at`=NOW()');
end
local sql_query = 'UPDATE `fax_documents` SET ' .. table.concat(params_sql, ',') .. ' WHERE `id` = ' .. tonumber(id);
return self.database:query(sql_query);
end
function Fax.get_parameters(self, caller)
local fax_parameters = {
bad_rows = caller:to_i('fax_bad_rows'),
total_pages = caller:to_i('fax_document_total_pages'),
transferred_pages = caller:to_i('fax_document_transferred_pages'),
ecm_requested = caller:to_b('fax_ecm_requested'),
ecm_used = caller:to_b('fax_ecm_used'),
filename = caller:to_s('fax_filename'),
image_resolution = caller:to_s('fax_image_resolution'),
image_size = caller:to_i('fax_image_size'),
local_station_id = caller:to_s('fax_local_station_id'),
result_code = caller:to_i('fax_result_code'),
result_text = caller:to_s('fax_result_text'),
remote_station_id = caller:to_s('fax_remote_station_id'),
success = caller:to_b('fax_success'),
transfer_rate = caller:to_i('fax_transfer_rate'),
v17_disabled = caller:to_b('fax_v17_disabled'),
}
return fax_parameters;
end
-- Receive Fax
function Fax.receive(self, caller, file_name)
file_name = file_name or self.fax_directory .. 'fax_in_' .. caller.uuid .. '.tiff';
caller:set_variable('fax_ident', self.record.station_id)
caller:set_variable('fax_verbose', 'false')
caller:answer();
local start_time = os.time();
caller:execute('rxfax', file_name);
local record = self:get_parameters(caller);
record.transmission_time = os.time() - start_time;
return record;
end
-- Send Fax
function Fax.send(self, caller, file_name)
caller:set_variable('fax_ident', self.record.station_id)
caller:set_variable('fax_header', self.record.name)
caller:set_variable('fax_verbose', 'false')
local start_time = os.time();
caller:execute('txfax', file_name);
local record = self:get_parameters(caller);
record.transmission_time = os.time() - start_time;
return record;
end
-- find fax document by id
function Fax.find_document_by_id(self, id)
local sql_query = 'SELECT * FROM `fax_documents` WHERE `id` = ' .. tonumber(id) .. ' LIMIT 1'
local record = nil
self.database:query(sql_query, function(fax_entry)
record = fax_entry;
end);
return record;
end
-- save fax document to database
function Fax.insert_document(self, record)
require 'common.str'
local sql_query = 'INSERT INTO `fax_documents` ( \
inbound, \
retry_counter, \
fax_resolution_id, \
state, \
transmission_time, \
sent_at, \
document_total_pages, \
document_transferred_pages, \
ecm_requested, \
ecm_used, \
image_resolution, \
image_size, \
local_station_id, \
result_code, \
remote_station_id, \
success, \
transfer_rate, \
created_at, \
updated_at, \
fax_account_id, \
caller_id_number, \
caller_id_name, \
tiff, \
uuid \
) VALUES ( \
true, \
0, \
1, \
"received", \
' .. common.str.to_sql(record.transmission_time) .. ', \
NOW(), \
' .. common.str.to_sql(record.total_pages) .. ', \
' .. common.str.to_sql(record.transferred_pages) .. ', \
' .. common.str.to_sql(record.ecm_requested) .. ', \
' .. common.str.to_sql(record.ecm_used) .. ', \
' .. common.str.to_sql(record.image_resolution) .. ', \
' .. common.str.to_sql(record.image_size) .. ', \
' .. common.str.to_sql(record.local_station_id) .. ', \
' .. common.str.to_sql(record.result_code) .. ', \
' .. common.str.to_sql(record.remote_station_id) .. ', \
' .. common.str.to_sql(record.success) .. ', \
' .. common.str.to_sql(record.transfer_rate) .. ', \
NOW(), \
NOW(), \
' .. common.str.to_sql(self.id) .. ', \
' .. common.str.to_sql(record.caller_id_number) .. ', \
' .. common.str.to_sql(record.caller_id_name) .. ', \
' .. common.str.to_sql(record.filename) .. ', \
' .. common.str.to_sql(record.uuid) .. ' \
)';
return self.database:query(sql_query);
end
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