scheduler canceling, sessiion query, didn't test yet!

database/exceptions.cpp

@@ -18,3 +18,7 @@ DB::EmptyResult::EmptyResult(const std::string& text):
 DB::NoLogin::NoLogin(const std::string& text):
     EmptyResult(text)
 {}
+
+DB::NoSession::NoSession (const std::string& text):
+    EmptyResult(text)
+{}

database/exceptions.h

@@ -26,4 +26,9 @@ class NoLogin : public EmptyResult {
 public:
     explicit NoLogin(const std::string& text);
 };
+
+class NoSession : public EmptyResult {
+public:
+    explicit NoSession(const std::string& text);
+};
 }

database/interface.h

@@ -9,6 +9,13 @@
 #include <stdint.h>
 
 namespace DB {
+struct Session {
+    unsigned int id;
+    unsigned int owner;
+    std::string accessToken;
+    std::string renewToken;
+};
+
 class Interface {
 public:
     enum class Type {
@@ -40,6 +47,7 @@ public:
     virtual unsigned int registerAccount(const std::string& login, const std::string& hash) = 0;
     virtual std::string getAccountHash(const std::string& login) = 0;
     virtual unsigned int createSession(const std::string& login, const std::string& access, const std::string& renew) = 0;
+    virtual Session findSession(const std::string& accessToken) = 0;
 
 protected:
     Interface(Type type);

database/mysql/mysql.cpp

@@ -20,6 +20,7 @@ constexpr const char* assignRoleQuery = "INSERT INTO roleBindings (`account`, `r
 constexpr const char* selectHash = "SELECT password FROM accounts where login = ?";
 constexpr const char* createSessionQuery = "INSERT INTO sessions (`owner`, `access`, `renew`, `persist`, `device`)"
                                         " SELECT accounts.id, ?, ?, true, ? FROM accounts WHERE accounts.login = ?";
+constexpr const char* selectSession = "SELECT id, owner, renew FROM sessions where access = ?";
 
 static const std::filesystem::path buildSQLPath = "database";
 
@@ -298,6 +299,24 @@ unsigned int DB::MySQL::lastInsertedId() {
     else
         throw std::runtime_error(std::string("Querying last inserted id returned no rows"));
 }
-
+DB::Session DB::MySQL::findSession(const std::string& accessToken) {
+    std::string a = accessToken;
+    MYSQL* con = &connection;
+
+    Statement session(con, selectSession);
+    session.bind(a.data(), MYSQL_TYPE_STRING);
+
+    std::vector<std::vector<std::any>> result = session.fetchResult();
+    if (result.empty())
+        throw NoSession("Couldn't find session with token " + a);
+
+    DB::Session res;
+    res.id = std::any_cast<unsigned int>(result[0][0]);
+    res.owner = std::any_cast<unsigned int>(result[0][1]);
+    res.renewToken = std::any_cast<const std::string&>(result[0][2]);
+    res.accessToken = a;
+
+    return res;
+}
 
 

database/mysql/mysql.h

@@ -34,6 +34,7 @@ public:
     unsigned int registerAccount(const std::string& login, const std::string& hash) override;
     std::string getAccountHash(const std::string& login) override;
     unsigned int createSession(const std::string& login, const std::string& access, const std::string& renew) override;
+    Session findSession(const std::string& accessToken) override;
 
 private:
     void executeFile(const std::filesystem::path& relativePath);