[GM Commands] Split GM Commands Into Separate Files (#1766)

* Split GM commands into their own files

* Code cleanup

zone/gm_commands/findzone.cpp

@@ -0,0 +1,95 @@
+#include "../client.h"
+
+void command_findzone(Client *c, const Seperator *sep)
+{
+	if (sep->arg[1][0] == 0) {
+		c->Message(Chat::White, "Usage: #findzone [search criteria]");
+		c->Message(Chat::White, "Usage: #findzone expansion [expansion number]");
+		return;
+	}
+
+	std::string query;
+	int         id = atoi((const char *) sep->arg[1]);
+
+	std::string arg1 = sep->arg[1];
+
+	if (arg1 == "expansion") {
+		query = fmt::format(
+			"SELECT zoneidnumber, short_name, long_name, version FROM zone WHERE expansion = {}",
+			sep->arg[2]
+		);
+	}
+	else {
+
+		/**
+		 * If id evaluates to 0, then search as if user entered a string
+		 */
+		if (id == 0) {
+			query = fmt::format(
+				"SELECT zoneidnumber, short_name, long_name, version FROM zone WHERE long_name LIKE '%{}%' OR `short_name` LIKE '%{}%'",
+				EscapeString(sep->arg[1]),
+				EscapeString(sep->arg[1])
+			);
+		}
+		else {
+			query = fmt::format(
+				"SELECT zoneidnumber, short_name, long_name, version FROM zone WHERE zoneidnumber = {}",
+				id
+			);
+		}
+	}
+
+	auto results = content_db.QueryDatabase(query);
+	if (!results.Success()) {
+		c->Message(Chat::White, "Error querying database.");
+		c->Message(Chat::White, query.c_str());
+		return;
+	}
+
+	int       count   = 0;
+	const int maxrows = 100;
+
+	for (auto row = results.begin(); row != results.end(); ++row) {
+		std::string zone_id    = row[0];
+		std::string short_name = row[1];
+		std::string long_name  = row[2];
+		int         version    = atoi(row[3]);
+
+		if (++count > maxrows) {
+			c->Message(Chat::White, "%i zones shown. Too many results.", maxrows);
+			break;
+		}
+
+		std::string command_zone   = EQ::SayLinkEngine::GenerateQuestSaylink("#zone " + short_name, false, "zone");
+		std::string command_gmzone = EQ::SayLinkEngine::GenerateQuestSaylink(
+			fmt::format("#gmzone {} {}", short_name, version),
+			false,
+			"gmzone"
+		);
+
+		c->Message(
+			Chat::White,
+			fmt::format(
+				"[{}] [{}] [{}] ID ({}) Version ({}) [{}]",
+				(version == 0 ? command_zone : "zone"),
+				command_gmzone,
+				short_name,
+				zone_id,
+				version,
+				long_name
+			).c_str()
+		);
+	}
+
+	if (count <= maxrows) {
+		c->Message(
+			Chat::White,
+			"Query complete. %i rows shown. %s",
+			count,
+			(arg1 == "expansion" ? "(expansion search)" : ""));
+	}
+	else if (count == 0) {
+		c->Message(Chat::White, "No matches found for %s.", sep->arg[1]);
+	}
+}
+