feat: client for twitch api

4 files changed, 116 insertions, 0 deletions

diff --git a/src/api/twitch/helix_client.cpp b/src/api/twitch/helix_client.cpp
new file mode 100644
index 0000000..c5031f0
--- /dev/null
+++ b/src/api/twitch/helix_client.cpp
@@ -0,0 +1,78 @@
+#include "helix_client.hpp"
+
+#include <nlohmann/json.hpp>
+#include <string>
+#include <vector>
+
+#include "cpr/api.h"
+#include "cpr/bearer.h"
+#include "cpr/cprtypes.h"
+#include "cpr/response.h"
+#include "schemas/user.hpp"
+
+namespace bot::api::twitch {
+  HelixClient::HelixClient(const std::string &token,
+                           const std::string &client_id) {
+    this->token = token;
+    this->client_id = client_id;
+  }
+
+  std::vector<schemas::User> HelixClient::get_users(
+      const std::vector<std::string> &logins) const {
+    std::string s;
+
+    for (auto i = logins.begin(); i != logins.end(); i++) {
+      std::string start;
+      if (i == logins.begin()) {
+        start = "?";
+      } else {
+        start = "&";
+      }
+
+      s += start + "login=" + *i;
+    }
+
+    return this->get_users_by_query(s);
+  }
+
+  std::vector<schemas::User> HelixClient::get_users(
+      const std::vector<int> &ids) const {
+    std::string s;
+
+    for (auto i = ids.begin(); i != ids.end(); i++) {
+      std::string start;
+      if (i == ids.begin()) {
+        start = "?";
+      } else {
+        start = "&";
+      }
+
+      s += start + "id=" + std::to_string(*i);
+    }
+
+    return this->get_users_by_query(s);
+  }
+
+  std::vector<schemas::User> HelixClient::get_users_by_query(
+      const std::string &query) const {
+    cpr::Response response = cpr::Get(
+        cpr::Url{this->base_url + "/users" + query}, cpr::Bearer{this->token},
+        cpr::Header{{"Client-Id", this->client_id.c_str()}});
+
+    if (response.status_code != 200) {
+      return {};
+    }
+
+    std::vector<schemas::User> users;
+
+    nlohmann::json j = nlohmann::json::parse(response.text);
+
+    for (const auto &d : j["data"]) {
+      schemas::User u{std::stoi(d["id"].get<std::string>()), d["login"]};
+
+      users.push_back(u);
+    }
+
+    return users;
+  }
+}
diff --git a/src/api/twitch/helix_client.hpp b/src/api/twitch/helix_client.hpp
new file mode 100644
index 0000000..fedec7f
--- /dev/null
+++ b/src/api/twitch/helix_client.hpp
@@ -0,0 +1,24 @@
+#pragma once
+
+#include <string>
+#include <vector>
+
+#include "schemas/user.hpp"
+
+namespace bot::api::twitch {
+  class HelixClient {
+    public:
+      HelixClient(const std::string &token, const std::string &client_id);
+      ~HelixClient() = default;
+
+      std::vector<schemas::User> get_users(
+          const std::vector<std::string> &logins) const;
+      std::vector<schemas::User> get_users(const std::vector<int> &ids) const;
+
+    private:
+      std::vector<schemas::User> get_users_by_query(
+          const std::string &query) const;
+      std::string token, client_id;
+      const std::string base_url = "https://api.twitch.tv/helix";
+  };
+}
diff --git a/src/api/twitch/schemas/user.hpp b/src/api/twitch/schemas/user.hpp
new file mode 100644
index 0000000..288ec72
--- /dev/null
+++ b/src/api/twitch/schemas/user.hpp
@@ -0,0 +1,10 @@
+#pragma once
+
+#include <string>
+
+namespace bot::api::twitch::schemas {
+  struct User {
+      int id;
+      std::string login;
+  };
+}
diff --git a/src/main.cpp b/src/main.cpp
index d617769..842e093 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3,6 +3,7 @@
 #include <pqxx/pqxx>
 #include <string>
 
+#include "api/twitch/helix_client.hpp"
 #include "bundle.hpp"
 #include "commands/command.hpp"
 #include "config.hpp"
@@ -57,6 +58,9 @@ int main(int argc, char *argv[]) {
   work.commit();
   conn.close();
 
+  bot::api::twitch::HelixClient helix_client(cfg.bot_password,
+                                             cfg.bot_client_id);
+
   client.on<bot::irc::MessageType::Privmsg>(
       [&client, &command_loader, &localization,
        &cfg](const bot::irc::Message<bot::irc::MessageType::Privmsg> &message) {