private function getAlbumXMLFromAmazon($albumInfoArray)
{
if (count($albumInfoArray) >= 2) {
// Some data from cds.csv is passing in empty arrays to this method
$strippedAlbumName = $albumInfoArray[0] . "-" . $albumInfoArray[1];
//This should be a unique and human readable file name
$strippedAlbumName = preg_replace("/[^a-zA-Z0-9]/", "", $strippedAlbumName);
if (is_array($albumInfoArray) && strlen($strippedAlbumName) > 0) {
$myCache = new Caching("./MashupCache/Amazon/", $strippedAlbumName, 'xml');
if ($myCache->needToRenewData()) {
try {
$result = $this->amazonAPI->getAlbumCoverByArtistAndTitle($albumInfoArray[0], $albumInfoArray[1]);
} catch (Exception $e) {
echo $e->getMessage();
}
$myCache->saveXMLToFile($result);
// Save new data before we return it to the caller of the method
} else {
// It doesn't need to be renewed so use local copy
$result = $myCache->getLocalXML();
}
} else {
throw new Exception('Incorrect data type passed to getAlbumXMLFromAmazon()');
}
} else {
// What to do about this? Currently it is throwing a warning...
$result = null;
}
return $result;
}
/**
* This method like many before it, searches Amazon's Product API for information about the quotation described in the array.
* I use a third field/column to give hints on what too look for in Amazon and other APIs. I also cache the results and in some
* cases we may have the information we are looking for already cached locally. A lot of information can be returned, we usually just use the
* first item ie $result->Items->Item[0]
*
* @param array
* @return Simple XML object
*/
private function getInfoFromAmazonFor($quotation)
{
if (count($quotation) >= 3) {
$validFilename = preg_replace("/[^a-zA-Z0-9]/", "", $quotation[0]);
if (is_array($quotation) && strlen($validFilename) > 0) {
$myCache = new Caching("./MashupCache/Amazon/", $validFilename, 'xml');
if ($myCache->needToRenewData()) {
try {
// Going to have a three (or eventually more) pronged approach that will require new methods in the Amazon API class.
if ($this->isFromFilm($quotation)) {
// We have a quotation from a movie, look in Film section of Amazon
$result = $this->amazonAPI->getDVDCoverByTitle($quotation[0]);
} else {
if ($this->isFromSong($quotation) || $this->isFromMusician($quotation)) {
// We have a quotation from a song or musician, looks in music section of Amazon
$result = $this->amazonAPI->getInfoForSongwriter($quotation[0]);
} else {
// We have a quotation, look for book by or about author
$result = $this->amazonAPI->getBookForKeyword($quotation[0]);
}
}
} catch (Exception $e) {
echo $e->getMessage();
}
$myCache->saveXMLToFile($result);
// Save new data before we return it to the caller of the method
} else {
// It doesn't need to be renewed so use local copy
$result = $myCache->getLocalXML();
}
} else {
throw new Exception('Incorrect data type passed to getInfoFromAmazonFor()');
}
} else {
$result = null;
// No info found in Amazon
}
return $result;
}
private function getXMLFromAmazon($dvdTitle, $director)
{
if (strcmp($director, "various") != 0) {
$strippedDVDTitle = $dvdTitle . "-" . $director;
$strippedDVDTitle = preg_replace("/[^a-zA-Z0-9]/", "", $strippedDVDTitle);
} else {
$strippedDVDTitle = preg_replace("/[^a-zA-Z0-9]/", "", $dvdTitle);
}
if (strlen($strippedDVDTitle) > 0) {
$myCache = new Caching("./MashupCache/Amazon/", $strippedDVDTitle, 'xml');
if ($myCache->needToRenewData() && strcmp($director, "various") != 0) {
try {
$result = $this->amazonAPI->getDVDCoverByTitleAndDirector($dvdTitle, $director);
} catch (Exception $e) {
echo $e->getMessage();
}
$myCache->saveXMLToFile($result);
// Save new data before we return it to the caller of the method
} else {
if ($myCache->needToRenewData()) {
try {
$result = $this->amazonAPI->getDVDCoverByTitle($dvdTitle);
} catch (Exception $e) {
echo $e->getMessage();
}
$myCache->saveXMLToFile($result);
// Save new data before we return it to the caller of the method
} else {
// It doesn't need to be renewed so use local copy
$result = $myCache->getLocalXML();
}
}
} else {
throw new Exception('Incorrect data type passed to getXMLFromAmazon()');
}
return $result;
}
