ms_del.cpp

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/* MemoServ core functions
 *
 * (C) 2003-2013 Anope Team
 * Contact us at team@anope.org
 *
 * Please read COPYING and README for further details.
 *
 * Based on the original code of Epona by Lara.
 * Based on the original code of Services by Andy Church.
 */

/*************************************************************************/

#include "module.h"

class MemoDelCallback : public NumberList
{
        CommandSource &source;
        ChannelInfo *ci;
        MemoInfo *mi;
 public:
        MemoDelCallback(CommandSource &_source, ChannelInfo *_ci, MemoInfo *_mi, const Anope::string &list) : NumberList(list, true), source(_source), ci(_ci), mi(_mi)
        {
        }

        void HandleNumber(unsigned number) anope_override
        {
                if (!number || number > mi->memos->size())
                        return;

                if (ci)
                        FOREACH_MOD(I_OnMemoDel, OnMemoDel(ci, mi, mi->GetMemo(number - 1)));
                else
                        FOREACH_MOD(I_OnMemoDel, OnMemoDel(source.nc, mi, mi->GetMemo(number - 1)));

                mi->Del(number - 1);
                source.Reply(_("Memo %d has been deleted."), number);
        }
};

class CommandMSDel : public Command
{
 public:
        CommandMSDel(Module *creator) : Command(creator, "memoserv/del", 0, 2)
        {
                this->SetDesc(_("Delete a memo or memos"));
                this->SetSyntax(_("[\037channel\037] {\037num\037 | \037list\037 | LAST | ALL}"));
        }

        void Execute(CommandSource &source, const std::vector<Anope::string> &params) anope_override
        {

                MemoInfo *mi;
                ChannelInfo *ci = NULL;
                Anope::string numstr = !params.empty() ? params[0] : "", chan;

                if (!numstr.empty() && numstr[0] == '#')
                {
                        chan = numstr;
                        numstr = params.size() > 1 ? params[1] : "";

                        ci = ChannelInfo::Find(chan);
                        if (!ci)
                        {
                                source.Reply(CHAN_X_NOT_REGISTERED, chan.c_str());
                                return;
                        }
                        else if (Anope::ReadOnly)
                        {
                                source.Reply(READ_ONLY_MODE);
                                return;
                        }
                        else if (!source.AccessFor(ci).HasPriv("MEMO"))
                        {
                                source.Reply(ACCESS_DENIED);
                                return;
                        }
                        mi = &ci->memos;
                }
                else
                        mi = const_cast<MemoInfo *>(&source.nc->memos);
                if (numstr.empty() || (!isdigit(numstr[0]) && !numstr.equals_ci("ALL") && !numstr.equals_ci("LAST")))
                        this->OnSyntaxError(source, numstr);
                else if (mi->memos->empty())
                {
                        if (!chan.empty())
                                source.Reply(MEMO_X_HAS_NO_MEMOS, chan.c_str());
                        else
                                source.Reply(MEMO_HAVE_NO_MEMOS);
                }
                else
                {
                        if (isdigit(numstr[0]))
                        {
                                MemoDelCallback list(source, ci, mi, numstr);
                                list.Process();
                        }
                        else if (numstr.equals_ci("LAST"))
                        {
                                /* Delete last memo. */
                                if (ci)
                                        FOREACH_MOD(I_OnMemoDel, OnMemoDel(ci, mi, mi->GetMemo(mi->memos->size() - 1)));
                                else
                                        FOREACH_MOD(I_OnMemoDel, OnMemoDel(source.nc, mi, mi->GetMemo(mi->memos->size() - 1)));
                                mi->Del(mi->memos->size() - 1);
                                source.Reply(_("Memo %d has been deleted."), mi->memos->size() + 1);
                        }
                        else
                        {
                                /* Delete all memos. */
                                for (unsigned i = 0, end = mi->memos->size(); i < end; ++i)
                                {
                                        if (ci)
                                                FOREACH_MOD(I_OnMemoDel, OnMemoDel(ci, mi, mi->GetMemo(i)));
                                        else
                                                FOREACH_MOD(I_OnMemoDel, OnMemoDel(source.nc, mi, mi->GetMemo(i)));
                                        delete mi->GetMemo(i);
                                }
                                mi->memos->clear();
                                if (!chan.empty())
                                        source.Reply(_("All memos for channel %s have been deleted."), chan.c_str());
                                else
                                        source.Reply(_("All of your memos have been deleted."));
                        }
                }
                return;
        }

        bool OnHelp(CommandSource &source, const Anope::string &subcommand) anope_override
        {
                this->SendSyntax(source);
                source.Reply(" ");
                source.Reply(_("Deletes the specified memo or memos. You can supply\n"
                                "multiple memo numbers or ranges of numbers instead of a\n"
                                "single number, as in the second example below.\n"
                                " \n"
                                "If \002LAST\002 is given, the last memo will be deleted.\n"
                                "If \002ALL\002 is given, deletes all of your memos.\n"
                                " \n"
                                "Examples:\n"
                                " \n"
                                "   \002DEL 1\002\n"
                                "      Deletes your first memo.\n"
                                " \n"
                                "   \002DEL 2-5,7-9\002\n"
                                "      Deletes memos numbered 2 through 5 and 7 through 9."));
                return true;
        }
};

class MSDel : public Module
{
        CommandMSDel commandmsdel;

 public:
        MSDel(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator, CORE),
                commandmsdel(this)
        {
                this->SetAuthor("Anope");

        }
};

MODULE_INIT(MSDel)