Using OptionalBool, add RecordHistoryOptional col into IrcChannelOptions table

ref #3269

src/database/database.hpp

@@ -7,6 +7,8 @@
 #include <database/column.hpp>
 #include <database/count_query.hpp>
 
+#include <utils/optional_bool.hpp>
+
 #include <chrono>
 #include <string>
 
@@ -82,6 +84,9 @@ class Database
     static constexpr auto options = "";
     RecordHistory(): Column<bool>(true) {}};
 
+  struct RecordHistoryOptional: Column<OptionalBool> { static constexpr auto name = "recordHistory_";
+    static constexpr auto options = ""; };
+
   struct VerifyCert: Column<bool> { static constexpr auto name = "verifyCert_";
     static constexpr auto options = "";
     VerifyCert(): Column<bool>(true) {} };
@@ -99,7 +104,7 @@ class Database
   using IrcServerOptionsTable = Table<Id, Owner, Server, Pass, AfterConnectionCommand, TlsPorts, Ports, Username, Realname, VerifyCert, TrustedFingerprint, EncodingOut, EncodingIn, MaxHistoryLength>;
   using IrcServerOptions = IrcServerOptionsTable::RowType;
 
-  using IrcChannelOptionsTable = Table<Id, Owner, Server, Channel, EncodingOut, EncodingIn, MaxHistoryLength, Persistent>;
+  using IrcChannelOptionsTable = Table<Id, Owner, Server, Channel, EncodingOut, EncodingIn, MaxHistoryLength, Persistent, RecordHistoryOptional>;
   using IrcChannelOptions = IrcChannelOptionsTable::RowType;
 
   Database() = default;

src/database/query.cpp

@@ -9,3 +9,13 @@ void actual_add_param(Query& query, const std::string& val)
 {
   query.params.push_back(val);
 }
+
+void actual_add_param(Query& query, const OptionalBool& val)
+{
+  if (!val.is_set)
+    query.params.push_back("0");
+  else if (val.value)
+    query.params.push_back("1");
+  else
+    query.params.push_back("-1");
+}

src/database/query.hpp

@@ -1,5 +1,6 @@
 #pragma once
 
+#include <utils/optional_bool.hpp>
 #include <database/statement.hpp>
 #include <database/column.hpp>
 
@@ -49,3 +50,4 @@ void actual_add_param(Query& query, const T& val)
 }
 
 void actual_add_param(Query& query, const std::string& val);
+void actual_add_param(Query& query, const OptionalBool& val);

src/database/select_query.hpp

@@ -5,6 +5,8 @@
 #include <logger/logger.hpp>
 #include <database/row.hpp>
 
+#include <utils/optional_bool.hpp>
+
 #include <vector>
 #include <string>
 
@@ -20,7 +22,7 @@ extract_row_value(Statement& statement, const int i)
 }
 
 template <typename T>
-typename std::enable_if<std::is_same<std::string, T>::value, std::string>::type
+typename std::enable_if<std::is_same<std::string, T>::value, T>::type
 extract_row_value(Statement& statement, const int i)
 {
   const auto size = sqlite3_column_bytes(statement.get(), i);
@@ -29,6 +31,19 @@ extract_row_value(Statement& statement, const int i)
   return result;
 }
 
+template <typename T>
+typename std::enable_if<std::is_same<OptionalBool, T>::value, T>::type
+extract_row_value(Statement& statement, const int i)
+{
+  const auto integer = sqlite3_column_int(statement.get(), i);
+  OptionalBool result;
+  if (integer > 0)
+    result.set_value(true);
+  else if (integer < 0)
+    result.set_value(false);
+  return result;
+}
+
 template <std::size_t N=0, typename... T>
 typename std::enable_if<N < sizeof...(T), void>::type
 extract_row_values(Row<T...>& row, Statement& statement)

src/database/type_to_sql.cpp

@@ -6,3 +6,4 @@ template <> const std::string TypeToSQLType<long>::type = "INTEGER";
 template <> const std::string TypeToSQLType<long long>::type = "INTEGER";
 template <> const std::string TypeToSQLType<bool>::type = "INTEGER";
 template <> const std::string TypeToSQLType<std::string>::type = "TEXT";
+template <> const std::string TypeToSQLType<OptionalBool>::type = "INTEGER";

src/database/type_to_sql.hpp

@@ -1,5 +1,7 @@
 #pragma once
 
+#include <utils/optional_bool.hpp>
+
 #include <string>
 
 template <typename T>
@@ -10,4 +12,5 @@ template <> const std::string TypeToSQLType<std::size_t>::type;
 template <> const std::string TypeToSQLType<long>::type;
 template <> const std::string TypeToSQLType<long long>::type;
 template <> const std::string TypeToSQLType<bool>::type;
-template <> const std::string TypeToSQLType<std::string>::type;
+template <> const std::string TypeToSQLType<std::string>::type;
+template <> const std::string TypeToSQLType<OptionalBool>::type;

src/utils/optional_bool.hpp

@@ -0,0 +1,25 @@
+#pragma once
+
+#include <string>
+
+struct OptionalBool
+{
+  OptionalBool() = default;
+
+  OptionalBool(bool value):
+  is_set(true), value(value) {}
+
+  void set_value(bool value)
+  {
+    this->is_set = true;
+    this->value = value;
+  }
+
+  void unset()
+  {
+    this->is_set = false;
+  }
+
+  bool is_set{false};
+  bool value{false};
+};