feat: More intelligent term detection mechanism supporting plain def.

src/Entity/Note.php

@@ -67,8 +67,39 @@ class Note
         $note->mediaInfo = $note->parseMediaInfo($note->fields['Notes']);
 
         // Set VocabKanji field
-        //$vocabKanji = explode('｜', $note->fields['VocabKanji']);
+        $terms = self::parseVocabDef($note->fields['VocabDef']);
-        $note->terms = self::parseVocabDef($note->fields['VocabDef']);
+        if (null !== $terms) {
+            $note->terms = $terms;
+        } else {
+            // Something went wrong when trying to parse the definitions into
+            // terms, that means its format is non-conforming. If there's only
+            // one term that means that it's an old one that wasn't updated.
+            if (
+                str_contains($note->fields['VocabKanji'], '｜') or
+                str_contains($note->fields['VocabKanji'], '|')
+            ) {
+                dump("ERROR: Multiple vocab kanjis with no proper definition.");
+                dd($note->fields);
+            }
+
+            if (mb_trim($note->fields['VocabDef']) === '') {
+                $note->fields['VocabDef'] = '＿';
+            }
+
+            // Make the "<def>" turn into "<kanji>:<def>". Select the
+            // appropriate semicolon character for each
+            $separator = '：';
+            if (preg_match('/[[:alpha:]]/u', $note->fields['VocabDef'])) {
+                $separator = ':';
+            }
+
+            $note->fields['VocabDef'] = $note->fields['VocabKanji']
+                . $separator
+                . $note->fields['VocabDef'];
+
+            $terms = self::parseVocabDef($note->fields['VocabDef']);
+            $note->terms = $terms ?? dd($note->fields['VocabDef']);
+        }
 
         // If not defined, find them from the highlighted parts in the sentence
         if (empty($note->terms)) {
@@ -130,15 +161,15 @@ class Note
         ];
     }
 
-    public static function parseVocabDef(string $vocabDef): array
+    public static function parseVocabDef(string $vocabDef): ?array
     {
-        if (mb_trim($vocabDef) == "") return [];
+        if (mb_trim($vocabDef) === '') return null;
 
         $terms = [];
-
         foreach (preg_split('|<br ?/?>|', $vocabDef) as $line) {
             $term = Term::fromVocabDefLine(strip_tags($line));
-            if (null === $term) dd("error parsing term", $line);
+            // Error parsing term, can't parse using vocabDef
+            if (null === $term) return null;
             $terms[] = $term;
         };