/**
* Displays a results page to check the import status
*
* @return mixed Depending on validation redirects or view
*/
public function getConfirm()
{
// Check if files have been uploaded
$store = Storage::disk('local');
$files = $store->files('bibtex');
if (count($files) <= 0) {
return redirect('/references/import')->withErrors(['content' => 'Please upload something to import!']);
}
// Now loop through all found files and extract the notes
$references = new Collection();
$bibtex = new Bibtex();
$omitted = [];
foreach ($files as $file) {
$filecontents = $store->get($file);
$ret = $bibtex->loadString($store->get($file));
$bibtex->parse();
// Okay, the bibtex-data looks nice. So for now let's only fill the
// already migrated fields: title, year, author_last, author_first, reference_type
foreach ($bibtex->data as $index => $entry) {
$ref = new Reference();
// Convert entryTypes if necessary
switch ($entry['entryType']) {
case "article":
$entry['entryType'] = "journal article";
break;
case "conference":
$entry['entryType'] = "conference paper";
break;
case "inbook":
$entry['entryType'] = "book section";
break;
case "masterthesis":
$entry['entryType'] = "thesis";
break;
case "phdthesis":
$entry['entryType'] = "thesis";
break;
case "techreport":
$entry['entryType'] = "report";
break;
}
// Can we store this datatype?
if (!$ref->typeAllowed($entry['entryType'])) {
$omitted[$index]['reason'] = 'Entry type incompatible with database';
continue;
}
// Is anything empty? Then also omit
if (!isset($entry['title']) || strlen($entry['title']) <= 0) {
$omitted[$index]['reason'] = 'Title missing';
continue;
}
if (!isset($entry['year']) || strlen($entry['year']) <= 0) {
$omitted[$index]['reason'] = 'Year missing';
continue;
}
if (!isset($entry['author']) || strlen($entry['author'][0]['last']) <= 0) {
$omitted[$index]['reason'] = 'Author last name missing';
continue;
}
if (!isset($entry['author']) || strlen($entry['author'][0]['first']) <= 0) {
$omitted[$index]['reason'] = 'Author first name missing';
continue;
}
$entry['title'] = str_replace(["{", "}"], "", $entry['title']);
$bibtex->data[$index]['title'] = $entry['title'];
$ref->title = $entry['title'];
$ref->year = $entry['year'];
$ref->author_last = $entry['author'][0]['last'];
$ref->author_first = $entry['author'][0]['first'];
$ref->reference_type = $ref->getTypeKey($entry['entryType']);
// Create or, if it exists, omit
Reference::firstOrCreate($ref->toArray());
/*
* Accordding to the BibTex people these entries are allowed:
* Everything with NULL hasn't been implemented yet
* 'article', -> "journal article"
* 'book', -> book
* 'booklet', -> NULL
* 'confernce', -> conference paper
* 'inbook', -> book section
* 'incollection', -> NULL
* 'inproceedings', -> NULL
* 'manual', -> NULL
* 'mastersthesis', -> thesis
* 'misc', -> NULL
* 'phdthesis', -> thesis
* 'proceedings', -> NULL
* 'techreport', -> report
* 'unpublished' -> NULL
*/
}
}
// Clear the uploaded files before exiting
$store->delete($files);
return view('references.confirm', ['bibtex' => $bibtex->data, 'omitted' => $omitted]);
}
