82 lines
2.6 KiB
C++
82 lines
2.6 KiB
C++
#include "./suggestionslookup.h"
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#include "./manager.h"
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#include "./repository.h"
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#include <QJsonObject>
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#include <QJsonArray>
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#include <assert.h>
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namespace RepoIndex {
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SuggestionsLookup::SuggestionsLookup(Manager &manager, const QJsonObject &request, QObject *parent) :
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PackageLookup(parent),
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m_searchTerm(request.value(QStringLiteral("term")).toString())
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{
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m_id = request.value(QStringLiteral("id"));
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if(m_searchTerm.isEmpty()) {
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m_errors << QStringLiteral("No search term specified.");
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}
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const auto repos = request.value(QStringLiteral("repos")).toArray();
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if(repos.isEmpty()) {
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m_errors << QStringLiteral("No repositories specified.");
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}
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if(m_errors.isEmpty()) {
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m_repos.reserve(repos.size());
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for(const auto &repoName : repos) {
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if(auto *repo = manager.repositoryByName(repoName.toString())) {
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m_repos << repo;
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} else {
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m_errors << QStringLiteral("The specified repository \"%1\" does not exist.").arg(repoName.toString());
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}
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}
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return;
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}
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deleteLater();
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}
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void SuggestionsLookup::performLookup()
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{
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for(Repository *&repo : m_repos) {
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if(repo) {
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if(repo->isBusy()) {
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// repo is busy -> try again when available
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connect(repo, &Repository::available, this, &SuggestionsLookup::performLookup);
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} else {
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// disconnect to ensure the lookup isn't done twice
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disconnect(repo, nullptr, this, nullptr);
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// request suggestions
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QReadLocker locker(repo->lock());
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if(const auto *reply = repo->requestSuggestions(m_searchTerm)) {
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connect(reply, &SuggestionsReply::resultsAvailable, this, &SuggestionsLookup::addResults);
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++m_remainingReplies;
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} else {
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m_results << repo->suggestions(m_searchTerm);
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}
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// this repo can be skipped when this method is called again because other repos where busy
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repo = nullptr;
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}
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} // else: repo already processed
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}
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}
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void SuggestionsLookup::addResults()
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{
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#ifdef DEBUG_BUILD
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assert(m_remainingReplies);
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#endif
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auto *reply = static_cast<SuggestionsReply *>(sender());
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{
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QReadLocker locker(reply->repository()->lock());
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m_results << reply->suggestions();
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}
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reply->deleteLater();
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if(!--m_remainingReplies) {
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emit resultsAvailable(QStringLiteral("suggestions"), m_id, m_results);
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deleteLater();
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}
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}
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} // namespace RepoIndex
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