Clean return of empty arrays

This commit is contained in:
Oystein Kristoffer Tveit 2020-06-18 01:46:26 +02:00
parent 78359df181
commit 2954f366ea
1 changed files with 56 additions and 46 deletions

View File

@ -152,7 +152,7 @@ Radical getRadical(String pageHtml) {
return Radical(
symbol: radicalSymbolsString[0],
forms: radicalForms,
forms: radicalForms ?? [],
meaning: radicalMeaning
);
}
@ -214,12 +214,12 @@ KanjiResult parseKanjiPageData(String pageHtml, String kanji) {
result.newspaperFrequencyRank = getNewspaperFrequencyRank(pageHtml);
result.strokeCount = getIntBetweenStrings(pageHtml, '<strong>', '</strong> strokes');
result.meaning = htmlUnescape.convert(removeNewlines(getStringBetweenStrings(pageHtml, '<div class="kanji-details__main-meanings">', '</div>')).trim());
result.kunyomi = getKunyomi(pageHtml);
result.onyomi = getOnyomi(pageHtml);
result.onyomiExamples = getOnyomiExamples(pageHtml);
result.kunyomiExamples = getKunyomiExamples(pageHtml);
result.kunyomi = getKunyomi(pageHtml) ?? [];
result.onyomi = getOnyomi(pageHtml) ?? [];
result.onyomiExamples = getOnyomiExamples(pageHtml) ?? [];
result.kunyomiExamples = getKunyomiExamples(pageHtml) ?? [];
result.radical = getRadical(pageHtml);
result.parts = getParts(pageHtml);
result.parts = getParts(pageHtml) ?? [];
result.strokeOrderDiagramUri = getUriForStrokeOrderDiagram(kanji);
result.strokeOrderSvgUri = getSvgUri(pageHtml);
result.strokeOrderGifUri = getGifUri(kanji);
@ -309,7 +309,7 @@ List<ExampleSentencePiece> getPieces(Element sentenceElement) {
ExampleResultData parseExampleDiv(Element div) {
final result = getKanjiAndKana(div);
result.english = div.querySelector('.english').text;
result.pieces = getPieces(div);
result.pieces = getPieces(div) ?? [];
return result;
}
@ -323,7 +323,7 @@ ExampleResults parseExamplePageData(String pageHtml, String phrase) {
return ExampleResults(
query: phrase,
found: results.isNotEmpty,
results: results,
results: results ?? [],
uri: uriForExampleSearch(phrase),
phrase: phrase,
);
@ -345,12 +345,8 @@ List<String> getTags(Document document) {
return tags;
}
String getMeaning(Element child) => child.querySelector('.meaning-meaning').text;
String getMeaningAbstract(Element child) {
child.querySelector('.meaning-abstract')?.querySelector('a')?.remove(); //TODO: Loop remove
return child.querySelector('.meaning-abstract')?.text;
List<String> getMostRecentWordTypes(Element child) {
return child.text.split(',').map((s) => s.trim().toLowerCase()).toList();
}
List<KanjiKanaPair> getOtherForms(Element child) {
@ -359,12 +355,24 @@ List<KanjiKanaPair> getOtherForms(Element child) {
.map((a) => (KanjiKanaPair( kanji: a[0], kana: (a.length == 2) ? a[1] : null ))).toList();
}
List<String> getNotes(Element child) => child.text.split('\n');
String getMeaning(Element child) => child.querySelector('.meaning-meaning').text;
String getMeaningAbstract(Element child) {
child.querySelector('.meaning-abstract')?.querySelector('a')?.remove(); //TODO: Loop remove
return child.querySelector('.meaning-abstract')?.text;
}
List<String> getSupplemental(Element child) {
return child.querySelector('.supplemental_info')?.text?.split(',')?.map((s) => s.trim())?.toList();
final supplemental = child.querySelector('.supplemental_info');
if (supplemental == null) return [];
return supplemental.text.split(',').map((s) => s.trim()).toList();
}
List<String> getSeeAlsoTerms(List<String> supplemental) {
if (supplemental == null) return null;
if (supplemental == null) return [];
final List<String> seeAlsoTerms = [];
for (var i = supplemental.length - 1; i >= 0; i -= 1) {
@ -379,7 +387,7 @@ List<String> getSeeAlsoTerms(List<String> supplemental) {
List<PhraseScrapeSentence> getSentences(Element child) {
final sentenceElements = child.querySelector('.sentences')?.querySelectorAll('.sentence');
if (sentenceElements == null) return null;
if (sentenceElements == null) return [];
final List<PhraseScrapeSentence> sentences = [];
for (var sentenceIndex = 0; sentenceIndex < (sentenceElements?.length ?? 0); sentenceIndex += 1) {
@ -395,7 +403,13 @@ List<PhraseScrapeSentence> getSentences(Element child) {
final japanese = sentenceElement.text;
sentences.add(PhraseScrapeSentence(english: english, japanese: japanese, pieces: pieces));
sentences.add(
PhraseScrapeSentence(
english: english,
japanese: japanese,
pieces: pieces ?? []
)
);
}
return sentences;
@ -404,26 +418,25 @@ List<PhraseScrapeSentence> getSentences(Element child) {
PhrasePageScrapeResult getMeaningsOtherFormsAndNotes(Document document) {
final returnValues = PhrasePageScrapeResult( otherForms: [], notes: [] );
// const meaningsWrapper = $('#page_container > div > div > article > div > div.concept_light-meanings.medium-9.columns > div');
final meaningsWrapper = document.querySelector('.meanings-wrapper');
if (meaningsWrapper == null) return PhrasePageScrapeResult(found: false);
returnValues.found = true;
final meaningsChildren = meaningsWrapper.children;
final List<PhraseScrapeMeaning> meanings = [];
var mostRecentWordTypes = [];
for (var meaningIndex = 0; meaningIndex < meaningsChildren.length; meaningIndex += 1) {
final child = meaningsChildren[meaningIndex];
if (child.className.contains('meaning-tags')) {
mostRecentWordTypes = child.text.split(',')
.map(
(s) => s.trim().toLowerCase()
).toList();
mostRecentWordTypes = getMostRecentWordTypes(child);
} else if (mostRecentWordTypes[0] == 'other forms') {
returnValues.otherForms = getOtherForms(child);
} else if (mostRecentWordTypes[0] == 'notes') {
returnValues.notes = child.text.split('\n');
returnValues.notes = getNotes(child);
} else {
final meaning = getMeaning(child);
@ -433,12 +446,12 @@ PhrasePageScrapeResult getMeaningsOtherFormsAndNotes(Document document) {
final sentences = getSentences(child);
meanings.add(PhraseScrapeMeaning(
seeAlsoTerms: seeAlsoTerms,
sentences: sentences,
seeAlsoTerms: seeAlsoTerms ?? [],
sentences: sentences ?? [],
definition: meaning,
supplemental: supplemental,
supplemental: supplemental ?? [],
definitionAbstract: meaningAbstract,
tags: mostRecentWordTypes,
tags: mostRecentWordTypes ?? [],
));
}
}
@ -456,13 +469,10 @@ PhrasePageScrapeResult parsePhrasePageData(String pageHtml, String query) {
final document = parse(pageHtml);
final result = getMeaningsOtherFormsAndNotes(document);
result.found = true;
result.query = query;
result.uri = uriForPhraseScrape(query);
result.tags = getTags(document);
// result.meanings = meanings;
// result.otherForms = forms;
// result.notes = notes;
result.query = query;
if (!result.found) return result;
result.uri = uriForPhraseScrape(query);
result.tags = getTags(document);
return result;
}
@ -494,19 +504,19 @@ class JishoApi {
/// @async
Future<PhrasePageScrapeResult> scrapeForPhrase(String phrase) async {
final uri = uriForPhraseScrape(phrase);
// try {
try {
final response = await http.get(uri);
return parsePhrasePageData(response.body, phrase);
// } catch (err) {
// // if (err.response?.status == 404) {
// // return PhrasePageScrapeResult(
// // query: phrase,
// // found: false,
// // );
// // }
} catch (err) {
// if (response.statusCode == 404) {
// return PhrasePageScrapeResult(
// query: phrase,
// found: false,
// );
// }
// throw err;
// }
throw err;
}
}
/// Scrape Jisho.org for information about a kanji character.