This commit is contained in:
Mars 2025-04-28 04:14:13 -04:00
parent 24b6a72614
commit 1a2fba7fb8
Signed by: pupbrained
GPG key ID: 0FF5B8826803F895
29 changed files with 1676 additions and 1401 deletions

View file

@ -1,18 +1,37 @@
#include <chrono>
#include <curl/curl.h>
#include <filesystem>
#include <fstream>
#include "weather.hpp"
#include "weather.h"
#include <chrono> // std::chrono::{duration, operator-}
#include <curl/curl.h> // curl_easy_init, curl_easy_setopt, curl_easy_perform, curl_easy_cleanup
#include <expected> // std::{expected (Result), unexpected (Err)}
#include <filesystem> // std::filesystem::{path, remove, rename}
#include <format> // std::format
#include <fstream> // std::{ifstream, ofstream}
#include <glaze/core/context.hpp> // glz::{error_ctx, error_code}
#include <glaze/core/opts.hpp> // glz::check_partial_read
#include <glaze/core/read.hpp> // glz::read
#include <glaze/core/reflect.hpp> // glz::format_error
#include <glaze/json/write.hpp> // glz::write_json
#include <glaze/util/atoi.hpp> // glz::atoi
#include <iterator> // std::istreambuf_iterator
#include <system_error> // std::error_code
#include <utility> // std::move
#include <variant> // std::{get, holds_alternative}
#include "config.h"
#include "src/util/macros.h"
#include "src/core/util/defs.hpp"
#include "src/core/util/logging.hpp"
#include "config.hpp"
namespace fs = std::filesystem;
using namespace std::string_literals;
using namespace weather;
using util::types::i32, util::types::Err, util::types::Exception;
namespace {
constexpr glz::opts glaze_opts = { .error_on_unknown_keys = false };
using glz::opts, glz::error_ctx, glz::error_code, glz::write_json, glz::read, glz::format_error;
constexpr opts glaze_opts = { .error_on_unknown_keys = false };
fn GetCachePath() -> Result<fs::path, String> {
std::error_code errc;
@ -25,7 +44,7 @@ namespace {
return cachePath;
}
fn ReadCacheFromFile() -> Result<WeatherOutput, String> {
fn ReadCacheFromFile() -> Result<Output, String> {
Result<fs::path, String> cachePath = GetCachePath();
if (!cachePath)
@ -36,27 +55,27 @@ namespace {
if (!ifs.is_open())
return Err("Cache file not found: " + cachePath->string());
DEBUG_LOG("Reading from cache file...");
debug_log("Reading from cache file...");
try {
const String content((std::istreambuf_iterator<char>(ifs)), std::istreambuf_iterator<char>());
WeatherOutput result;
const String content((std::istreambuf_iterator<char>(ifs)), std::istreambuf_iterator<char>());
Output result;
if (const glz::error_ctx errc = glz::read<glaze_opts>(result, content); errc.ec != glz::error_code::none)
return Err("JSON parse error: " + glz::format_error(errc, content));
if (const error_ctx errc = read<glaze_opts>(result, content); errc.ec != error_code::none)
return Err(std::format("JSON parse error: {}", format_error(errc, content)));
DEBUG_LOG("Successfully read from cache file.");
debug_log("Successfully read from cache file.");
return result;
} catch (const std::exception& e) { return Err("Error reading cache: "s + e.what()); }
} catch (const Exception& e) { return Err(std::format("Error reading cache: {}", e.what())); }
}
fn WriteCacheToFile(const WeatherOutput& data) -> Result<void, String> {
fn WriteCacheToFile(const Output& data) -> Result<void, String> {
Result<fs::path, String> cachePath = GetCachePath();
if (!cachePath)
return Err(cachePath.error());
DEBUG_LOG("Writing to cache file...");
debug_log("Writing to cache file...");
fs::path tempPath = *cachePath;
tempPath += ".tmp";
@ -68,8 +87,8 @@ namespace {
String jsonStr;
if (const glz::error_ctx errc = glz::write_json(data, jsonStr); errc.ec != glz::error_code::none)
return Err("JSON serialization error: " + glz::format_error(errc, jsonStr));
if (const error_ctx errc = write_json(data, jsonStr); errc.ec != error_code::none)
return Err("JSON serialization error: " + format_error(errc, jsonStr));
ofs << jsonStr;
if (!ofs)
@ -80,24 +99,24 @@ namespace {
fs::rename(tempPath, *cachePath, errc);
if (errc) {
if (!fs::remove(tempPath, errc))
DEBUG_LOG("Failed to remove temp file: {}", errc.message());
debug_log("Failed to remove temp file: {}", errc.message());
return Err("Failed to replace cache file: " + errc.message());
return Err(std::format("Failed to replace cache file: {}", errc.message()));
}
DEBUG_LOG("Successfully wrote to cache file.");
debug_log("Successfully wrote to cache file.");
return {};
} catch (const std::exception& e) { return Err("File operation error: "s + e.what()); }
} catch (const Exception& e) { return Err(std::format("File operation error: {}", e.what())); }
}
fn WriteCallback(void* contents, const size_t size, const size_t nmemb, String* str) -> size_t {
const size_t totalSize = size * nmemb;
fn WriteCallback(void* contents, const usize size, const usize nmemb, String* str) -> usize {
const usize totalSize = size * nmemb;
str->append(static_cast<char*>(contents), totalSize);
return totalSize;
}
fn MakeApiRequest(const String& url) -> Result<WeatherOutput, String> {
DEBUG_LOG("Making API request to URL: {}", url);
fn MakeApiRequest(const String& url) -> Result<Output, String> {
debug_log("Making API request to URL: {}", url);
CURL* curl = curl_easy_init();
String responseBuffer;
@ -116,40 +135,40 @@ namespace {
if (res != CURLE_OK)
return Err(std::format("cURL error: {}", curl_easy_strerror(res)));
WeatherOutput output;
Output output;
if (const glz::error_ctx errc = glz::read<glaze_opts>(output, responseBuffer); errc.ec != glz::error_code::none)
return Err("API response parse error: " + glz::format_error(errc, responseBuffer));
if (const error_ctx errc = glz::read<glaze_opts>(output, responseBuffer); errc.ec != error_code::none)
return Err("API response parse error: " + format_error(errc, responseBuffer));
return std::move(output);
}
}
} // namespace
fn Weather::getWeatherInfo() const -> WeatherOutput {
fn Weather::getWeatherInfo() const -> Output {
using namespace std::chrono;
if (Result<WeatherOutput, String> data = ReadCacheFromFile()) {
const WeatherOutput& dataVal = *data;
if (Result<Output, String> data = ReadCacheFromFile()) {
const Output& dataVal = *data;
if (const duration<double> cacheAge = system_clock::now() - system_clock::time_point(seconds(dataVal.dt));
cacheAge < 10min) {
DEBUG_LOG("Using valid cache");
debug_log("Using valid cache");
return dataVal;
}
DEBUG_LOG("Cache expired");
debug_log("Cache expired");
} else {
DEBUG_LOG("Cache error: {}", data.error());
debug_log("Cache error: {}", data.error());
}
fn handleApiResult = [](const Result<WeatherOutput, String>& result) -> WeatherOutput {
fn handleApiResult = [](const Result<Output, String>& result) -> Output {
if (!result) {
ERROR_LOG("API request failed: {}", result.error());
return WeatherOutput {};
error_log("API request failed: {}", result.error());
return Output {};
}
if (Result<void, String> writeResult = WriteCacheToFile(*result); !writeResult)
ERROR_LOG("Failed to write cache: {}", writeResult.error());
error_log("Failed to write cache: {}", writeResult.error());
return *result;
};
@ -157,7 +176,7 @@ fn Weather::getWeatherInfo() const -> WeatherOutput {
if (std::holds_alternative<String>(location)) {
const auto& city = std::get<String>(location);
char* escaped = curl_easy_escape(nullptr, city.c_str(), static_cast<i32>(city.length()));
DEBUG_LOG("Requesting city: {}", escaped);
debug_log("Requesting city: {}", escaped);
const String apiUrl =
std::format("https://api.openweathermap.org/data/2.5/weather?q={}&appid={}&units={}", escaped, api_key, units);
@ -167,7 +186,7 @@ fn Weather::getWeatherInfo() const -> WeatherOutput {
}
const auto& [lat, lon] = std::get<Coords>(location);
DEBUG_LOG("Requesting coordinates: lat={:.3f}, lon={:.3f}", lat, lon);
debug_log("Requesting coordinates: lat={:.3f}, lon={:.3f}", lat, lon);
const String apiUrl = std::format(
"https://api.openweathermap.org/data/2.5/weather?lat={:.3f}&lon={:.3f}&appid={}&units={}", lat, lon, api_key, units