/**
* Parse a FIT file into data-arrays.
* After parsing, the ->records will be filled with the data. When the data
* matches the product's profile, the column names will be known and added.
* If not the data will still be read, but we won't know what it is, what
* scale factor to apply and what unit it is.
*
* @param string $filepath Absolute path to the .FIT file
* @return false When unable to open the file for reading.
* @throws \Fit\Exception
*/
public function parseFile($filepath)
{
$handle = false;
if (is_file($filepath)) {
$handle = @fopen($filepath, 'rb');
}
if (false === $handle) {
\Fit\Exception::create(1003, \Fit\Exception::$codes[1003] . ' filepath: ' . $filepath);
}
$this->reader = new \Zend_Io_Reader($handle);
try {
$this->readFileHeader();
$this->readRecords();
} catch (\Exception $e) {
$this->reader->close();
throw $e;
}
$this->reader->close();
}
/**
* Set the filetype for the upcoming messages.
* @param enum \Fit\FileType $type
* @return bool True when a known filetype was set, false when not found.
*/
public function setFile($type)
{
$ref = new \ReflectionClass('\\Fit\\FileType');
$constants = $ref->getConstants();
if (array_search($type, $constants) !== false) {
$this->_filetype = (int) $type;
$this->_store[$this->_filetype] = array();
return true;
}
\Fit\Exception::create(1004);
}
/**
* Writes the data to the file.
* @param \Fit\Data $data The data that needs to be written to the file.
* @return \Fit\Writer
*/
protected function writeTheRecords(\Fit\Data $data)
{
foreach ($data->getData() as $file_type => $messages) {
$file_type_definition = $this->profile->findFileTypeByType($file_type);
if ($file_type_definition !== null) {
//we schrijven eerst de file_id message weg
$file_id_written = false;
foreach ($messages as $k => $msg) {
if ($msg['name'] === 'file_id') {
$message_def = $this->profile->findFieldDefByName($file_type_definition, 'file_id');
if ($message_def !== null) {
$file_id_written = true;
$this->writeMessageDefinition($message_def);
$this->writeMessageData($message_def, $msg['data'][0]);
unset($messages[$k]);
break;
}
}
}
if ($file_id_written === false) {
//we always need a file_id
\Fit\Exception::create(1002, implode(PHP_EOL, array('Missing file_id in message data. Every file type needs one file_id message.', 'Example: ', '<code>', '$data = new \\Fit\\Data;', '$data->setFile(\\Fit\\FileType::activity);', '$data->add(\'file_id\', array(', ' \'type\' => \\Fit\\FileType::activity,', ' \'manufacturer\' => \\Fit\\Manufacturer::development,', ' \'product\' => 0,', ' \'serial_number\' => 0,', ' \'time_created\' => time() - mktime(0,0,0,12,31,1989),', ' ))', '</code>')));
}
foreach ($messages as $msg) {
$message_def = $this->profile->findFieldDefByName($file_type_definition, $msg['name']);
if ($message_def !== null) {
foreach ($msg['data'] as $records) {
$this->writeMessageDefinition($message_def);
$this->writeMessageData($message_def, $records);
}
}
}
}
}
return $this;
}