Allow the execution of multiple commands after the IRC connection

fix #3275

src/database/column.hpp

@@ -13,6 +13,10 @@ struct Column
     T value{};
 };
 
+struct ForeignKey: Column<std::size_t> {
+    static constexpr auto name = "fk_";
+};
+
 struct Id: Column<std::size_t> {
     static constexpr std::size_t unset_value = static_cast<std::size_t>(-1);
     static constexpr auto name = "id_";

src/database/database.cpp

@@ -21,6 +21,7 @@ Database::GlobalOptionsTable Database::global_options("globaloptions_");
 Database::IrcServerOptionsTable Database::irc_server_options("ircserveroptions_");
 Database::IrcChannelOptionsTable Database::irc_channel_options("ircchanneloptions_");
 Database::RosterTable Database::roster("roster");
+Database::AfterConnectionCommandsTable Database::after_connection_commands("after_connection_commands_");
 std::map<Database::CacheKey, Database::EncodingIn::real_type> Database::encoding_in_cache{};
 
 Database::GlobalPersistent::GlobalPersistent():
@@ -53,6 +54,8 @@ void Database::open(const std::string& filename)
   Database::irc_channel_options.upgrade(*Database::db);
   Database::roster.create(*Database::db);
   Database::roster.upgrade(*Database::db);
+  Database::after_connection_commands.create(*Database::db);
+  Database::after_connection_commands.upgrade(*Database::db);
   create_index<Database::Owner, Database::IrcChanName, Database::IrcServerName>(*Database::db, "archive_index", Database::muc_log_lines.get_name());
 }
 
@@ -88,6 +91,32 @@ Database::IrcServerOptions Database::get_irc_server_options(const std::string& o
   return options;
 }
 
+Database::AfterConnectionCommands Database::get_after_connection_commands(const IrcServerOptions& server_options)
+{
+  const auto id = server_options.col<Id>();
+  if (id == Id::unset_value)
+    return {};
+  auto request = Database::after_connection_commands.select();
+  request.where() << ForeignKey{} << "=" << id;
+  return request.execute(*Database::db);
+}
+
+void Database::set_after_connection_commands(const Database::IrcServerOptions& server_options, Database::AfterConnectionCommands& commands)
+{
+  const auto id = server_options.col<Id>();
+  if (id == Id::unset_value)
+    return ;
+  auto query = Database::after_connection_commands.del();
+  query.where() << ForeignKey{} << "=" << id;
+  query.execute(*Database::db);
+
+  for (auto& command: commands)
+    {
+      command.col<ForeignKey>() = server_options.col<Id>();
+      command.save(Database::db);
+    }
+}
+
 Database::IrcChannelOptions Database::get_irc_channel_options(const std::string& owner, const std::string& server, const std::string& channel)
 {
   auto request = Database::irc_channel_options.select();

src/database/database.hpp

@@ -92,7 +92,7 @@ class Database
   using GlobalOptionsTable = Table<Id, Owner, MaxHistoryLength, RecordHistory, GlobalPersistent>;
   using GlobalOptions = GlobalOptionsTable::RowType;
 
-  using IrcServerOptionsTable = Table<Id, Owner, Server, Pass, AfterConnectionCommand, TlsPorts, Ports, Username, Realname, VerifyCert, TrustedFingerprint, EncodingOut, EncodingIn, MaxHistoryLength, Address>;
+  using IrcServerOptionsTable = Table<Id, Owner, Server, Pass, TlsPorts, Ports, Username, Realname, VerifyCert, TrustedFingerprint, EncodingOut, EncodingIn, MaxHistoryLength, Address>;
   using IrcServerOptions = IrcServerOptionsTable::RowType;
 
   using IrcChannelOptionsTable = Table<Id, Owner, Server, Channel, EncodingOut, EncodingIn, MaxHistoryLength, Persistent, RecordHistoryOptional>;
@@ -101,6 +101,9 @@ class Database
   using RosterTable = Table<LocalJid, RemoteJid>;
   using RosterItem = RosterTable::RowType;
 
+  using AfterConnectionCommandsTable = Table<Id, ForeignKey, AfterConnectionCommand>;
+  using AfterConnectionCommands = std::vector<AfterConnectionCommandsTable::RowType>;
+
   Database() = default;
   ~Database() = default;
 
@@ -121,6 +124,9 @@ class Database
   static IrcChannelOptions get_irc_channel_options_with_server_and_global_default(const std::string& owner,
                                                                                   const std::string& server,
                                                                                   const std::string& channel);
+  static AfterConnectionCommands get_after_connection_commands(const IrcServerOptions& server_options);
+  static void set_after_connection_commands(const IrcServerOptions& server_options, AfterConnectionCommands& commands);
+
   /**
    * Get all the lines between (optional) start and end dates, with a (optional) limit.
    * If after_id is set, only the records after it will be returned.
@@ -158,6 +164,8 @@ class Database
   static IrcServerOptionsTable irc_server_options;
   static IrcChannelOptionsTable irc_channel_options;
   static RosterTable roster;
+  static AfterConnectionCommandsTable after_connection_commands;
+
   static std::unique_ptr<DatabaseEngine> db;
 
   /**

src/database/delete_query.hpp

@@ -0,0 +1,33 @@
+#pragma once
+
+#include <database/query.hpp>
+#include <database/engine.hpp>
+
+class DeleteQuery: public Query
+{
+public:
+  DeleteQuery(const std::string& name):
+      Query("DELETE")
+  {
+    this->body += " from " + name;
+  }
+
+  DeleteQuery& where()
+  {
+    this->body += " WHERE ";
+    return *this;
+  };
+
+  void execute(DatabaseEngine& db)
+  {
+    auto statement = db.prepare(this->body);
+    if (!statement)
+      return;
+#ifdef DEBUG_SQL_QUERIES
+    const auto timer = this->log_and_time();
+#endif
+    statement->bind(std::move(this->params));
+    if (statement->step() != StepResult::Done)
+      log_error("Failed to execute DELETE command");
+  }
+};

src/database/table.hpp

@@ -3,6 +3,7 @@
 #include <database/engine.hpp>
 
 #include <database/select_query.hpp>
+#include <database/delete_query.hpp>
 #include <database/row.hpp>
 
 #include <algorithm>
@@ -85,6 +86,12 @@ class Table
     return select;
   }
 
+  auto del()
+  {
+    DeleteQuery query(this->name);
+    return query;
+  }
+
   const std::string& get_name() const
   {
     return this->name;