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Aaron Po
2026-04-11 23:51:08 -04:00
parent 823599a96f
commit 1cd30488eb
33 changed files with 985 additions and 993 deletions
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77
pipeline/src/services/wikipedia/fetch_extract.cpp
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@@ -12,51 +12,50 @@
#include "services/wikipedia_service.h"
std::string WikipediaService::FetchExtract(std::string_view query) {
const std::string cache_key(query);
const auto cache_it = this->extract_cache_.find(cache_key);
if (cache_it != this->extract_cache_.end()) {
return cache_it->second;
}
const std::string cache_key(query);
const auto cache_it = this->extract_cache_.find(cache_key);
if (cache_it != this->extract_cache_.end()) {
return cache_it->second;
}
const std::string encoded = this->client_->UrlEncode(cache_key);
const std::string url =
"https://en.wikipedia.org/w/api.php?action=query&titles=" + encoded +
"&prop=extracts&explaintext=1&format=json";
const std::string encoded = this->client_->UrlEncode(cache_key);
const std::string url =
"https://en.wikipedia.org/w/api.php?action=query&titles=" + encoded +
"&prop=extracts&explaintext=1&format=json";
const std::string body = this->client_->Get(url);
const std::string body = this->client_->Get(url);
boost::system::error_code parse_error;
boost::json::value doc = boost::json::parse(body, parse_error);
boost::system::error_code parse_error;
boost::json::value doc = boost::json::parse(body, parse_error);
if (!parse_error && doc.is_object()) {
try {
auto& pages = doc.at("query").at("pages").get_object();
if (!pages.empty()) {
auto& page = pages.begin()->value().get_object();
if (page.contains("extract") && page.at("extract").is_string()) {
const std::string_view extract_view =
page.at("extract").as_string();
std::string extract(extract_view);
if (!parse_error && doc.is_object()) {
try {
auto& pages = doc.at("query").at("pages").get_object();
if (!pages.empty()) {
auto& page = pages.begin()->value().get_object();
if (page.contains("extract") && page.at("extract").is_string()) {
const std::string_view extract_view = page.at("extract").as_string();
std::string extract(extract_view);
spdlog::debug("WikipediaService fetched {} chars for '{}'",
extract.size(), query);
spdlog::debug("WikipediaService fetched {} chars for '{}'",
extract.size(), query);
this->extract_cache_.emplace(cache_key, extract);
return extract;
}
}
this->extract_cache_.emplace(cache_key, std::string{});
} catch (const std::exception& e) {
spdlog::warn(
"WikipediaService: failed to parse response structure for '{}': "
"{}",
query, e.what());
return {};
this->extract_cache_.emplace(cache_key, extract);
return extract;
}
}
} else if (parse_error) {
spdlog::warn("WikipediaService: JSON parse error for '{}': {}", query,
parse_error.message());
}
this->extract_cache_.emplace(cache_key, std::string{});
} catch (const std::exception& e) {
spdlog::warn(
"WikipediaService: failed to parse response structure for '{}': "
"{}",
query, e.what());
return {};
}
} else if (parse_error) {
spdlog::warn("WikipediaService: JSON parse error for '{}': {}", query,
parse_error.message());
}
return {};
return {};
}