Split static & shared lib

static/smoke_api/api.cpp

@@ -0,0 +1,53 @@
+#include <koalabox/http_client.hpp>
+#include <koalabox/logger.hpp>
+
+#include "smoke_api/api.hpp"
+#include "smoke_api/types.hpp"
+
+namespace smoke_api::api {
+    struct SteamResponse {
+        uint32_t success = 0;
+        std::vector<DLC> dlcs;
+
+        NLOHMANN_DEFINE_TYPE_INTRUSIVE_WITH_DEFAULT(
+            SteamResponse,
+            success,
+            dlcs
+        )
+    };
+
+    std::optional<std::vector<DLC>> fetch_dlcs_from_github(const AppId_t app_id) {
+        try {
+            constexpr auto url = "https://raw.githubusercontent.com/"
+                "acidicoala/public-entitlements/main/steam/v2/dlc.json";
+            const auto json = koalabox::http_client::get_json(url);
+            const auto response = json.get<AppDlcNameMap>();
+
+            return DLC::get_dlcs_from_apps(response, app_id);
+        } catch(const nlohmann::json::exception& e) {
+            LOG_ERROR("Failed to fetch DLC list from GitHub: {}", e.what());
+            return std::nullopt;
+        }
+    }
+
+    std::optional<std::vector<DLC>> fetch_dlcs_from_steam(const AppId_t app_id) {
+        try {
+            // TODO: Communicate directly with Steam servers.
+            // ref.: https://github.com/SteamRE/SteamKit
+            const auto url =
+                std::format("https://store.steampowered.com/dlc/{}/ajaxgetdlclist", app_id);
+            const auto json = koalabox::http_client::get_json(url);
+
+            const auto [success, dlcs] = json.get<SteamResponse>();
+
+            if(success != 1) {
+                throw std::runtime_error("Web API responded with 'success' != 1");
+            }
+
+            return dlcs;
+        } catch(const std::exception& e) {
+            LOG_ERROR("Failed to fetch dlc list from Steam: {}", e.what());
+            return {};
+        }
+    }
+}