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fix: highscore sql query #3222

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Merged
majestyotbr merged 2 commits into from
Jan 8, 2025
Merged

fix: highscore sql query #3222

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5127fb7
fix: highscore sql query
dudantas Jan 7, 2025
e09f0da
fix: highscore category
dudantas Jan 7, 2025
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80 changes: 42 additions & 38 deletions src/game/game.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -8533,60 +8533,64 @@ void Game::playerCyclopediaCharacterInfo(const std::shared_ptr<Player> &player,
}
}

std::string Game::generateHighscoreQueryForEntries(const std::string &categoryName, uint32_t page, uint8_t entriesPerPage, uint32_t vocation) {
std::string Game::generateHighscoreQuery(
const std::string &categoryName,
uint32_t page,
uint8_t entriesPerPage,
uint32_t vocation,
uint32_t playerGUID /*= 0*/
) {
uint32_t startPage = (page - 1) * static_cast<uint32_t>(entriesPerPage);
uint32_t endPage = startPage + static_cast<uint32_t>(entriesPerPage);
std::string entriesStr = std::to_string(entriesPerPage);

Database &db = Database::getInstance();
std::string escapedCategoryName = db.escapeString(categoryName);
if (categoryName.empty()) {
g_logger().error("Category name cannot be empty.");
return "";
}

std::string query = fmt::format(
"SELECT `id`, `name`, `level`, `vocation`, `points`, `rank`, `entries`, {} AS `page` FROM ("
"SELECT `id`, `name`, `level`, `vocation`, `{}` AS `points`, "
"@curRank := IF(@prevRank = `{}`, @curRank, IF(@prevRank := `{}`, @curRank + 1, @curRank + 1)) AS `rank`, "
"(@row := @row + 1) AS `entries` FROM ("
"SELECT `id`, `name`, `level`, `vocation`, `{}` FROM `players` `p`, "
"(SELECT @curRank := 0, @prevRank := NULL, @row := 0) `r` "
"WHERE `group_id` < {} ORDER BY `{}` DESC"
") `t`",
page, escapedCategoryName, escapedCategoryName, escapedCategoryName, escapedCategoryName, static_cast<int>(GROUP_TYPE_GAMEMASTER), escapedCategoryName
"SELECT `id`, `name`, `level`, `vocation`, `points`, `rank`, `rn` AS `entries`, "
);

if (vocation != 0xFFFFFFFF) {
query += generateVocationConditionHighscore(vocation);
if (playerGUID != 0) {
query += fmt::format("(@ourRow DIV {0}) + 1 AS `page` FROM (", entriesStr);
} else {
query += fmt::format("{} AS `page` FROM (", page);
}

query += fmt::format(") `T` WHERE `entries` > {} AND `entries` <= {}", startPage, endPage);

return query;
}
query += fmt::format(
"SELECT `id`, `name`, `level`, `vocation`, `{}` AS `points`, "
"@curRank := IF(@prevRank = `{}`, @curRank, IF(@prevRank := `{}`, @curRank + 1, @curRank + 1)) AS `rank`, "
"(@row := @row + 1) AS `rn`",
categoryName, categoryName, categoryName
);

std::string Game::generateHighscoreQueryForOurRank(const std::string &categoryName, uint8_t entriesPerPage, uint32_t playerGUID, uint32_t vocation) {
Database &db = Database::getInstance();
std::string escapedCategoryName = db.escapeString(categoryName);
std::string entriesStr = std::to_string(entriesPerPage);
if (playerGUID != 0) {
query += fmt::format(", @ourRow := IF(`id` = {}, @row - 1, @ourRow) AS `rw`", playerGUID);
}

std::string query = fmt::format(
"SELECT `id`, `name`, `level`, `vocation`, `points`, `rank`, @row AS `entries`, "
"(@ourRow DIV {0}) + 1 AS `page` FROM ("
"SELECT `id`, `name`, `level`, `vocation`, `{1}` AS `points`, "
"@curRank := IF(@prevRank = `{1}`, @curRank, IF(@prevRank := `{1}`, @curRank + 1, @curRank + 1)) AS `rank`, "
"(@row := @row + 1) AS `rn`, @ourRow := IF(`id` = {2}, @row - 1, @ourRow) AS `rw` FROM ("
"SELECT `id`, `name`, `level`, `vocation`, `{1}` FROM `players` `p`, "
query += fmt::format(
" FROM (SELECT `id`, `name`, `level`, `vocation`, `{}` FROM `players` `p`, "
"(SELECT @curRank := 0, @prevRank := NULL, @row := 0, @ourRow := 0) `r` "
"WHERE `group_id` < {3} ORDER BY `{1}` DESC"
") `t`",
entriesStr, escapedCategoryName, playerGUID, static_cast<int>(GROUP_TYPE_GAMEMASTER)
"WHERE `group_id` < {} ORDER BY `{}` DESC) `t`",
categoryName, static_cast<int>(GROUP_TYPE_GAMEMASTER), categoryName
);

if (vocation != 0xFFFFFFFF) {
query += generateVocationConditionHighscore(vocation);
}

query += fmt::format(
") `T` WHERE `rn` > ((@ourRow DIV {0}) * {0}) AND `rn` <= (((@ourRow DIV {0}) * {0}) + {0})",
entriesStr
);
query += ") `T` WHERE ";

if (playerGUID != 0) {
query += fmt::format(
"`rn` > ((@ourRow DIV {0}) * {0}) AND `rn` <= (((@ourRow DIV {0}) * {0}) + {0})",
entriesStr
);
} else {
query += fmt::format("`rn` > {} AND `rn` <= {}", startPage, endPage);
}

return query;
}
Expand Down Expand Up @@ -8676,7 +8680,7 @@ std::string Game::generateHighscoreOrGetCachedQueryForEntries(const std::string
}
}

std::string newQuery = generateHighscoreQueryForEntries(categoryName, page, entriesPerPage, vocation);
std::string newQuery = generateHighscoreQuery(categoryName, page, entriesPerPage, vocation);
cacheQueryHighscore(cacheKey, newQuery, page, entriesPerPage);

return newQuery;
Expand All @@ -8694,7 +8698,7 @@ std::string Game::generateHighscoreOrGetCachedQueryForOurRank(const std::string
}
}

std::string newQuery = generateHighscoreQueryForOurRank(categoryName, entriesPerPage, playerGUID, vocation);
std::string newQuery = generateHighscoreQuery(categoryName, 0, entriesPerPage, vocation, playerGUID);
cacheQueryHighscore(cacheKey, newQuery, entriesPerPage, entriesPerPage);

return newQuery;
Expand Down
9 changes: 7 additions & 2 deletions src/game/game.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -957,8 +957,13 @@ class Game {
void processHighscoreResults(const DBResult_ptr &result, uint32_t playerID, uint8_t category, uint32_t vocation, uint8_t entriesPerPage);

std::string generateVocationConditionHighscore(uint32_t vocation);
std::string generateHighscoreQueryForEntries(const std::string &categoryName, uint32_t page, uint8_t entriesPerPage, uint32_t vocation);
std::string generateHighscoreQueryForOurRank(const std::string &categoryName, uint8_t entriesPerPage, uint32_t playerGUID, uint32_t vocation);
std::string generateHighscoreQuery(
const std::string &categoryName,
uint32_t page,
uint8_t entriesPerPage,
uint32_t vocation,
uint32_t playerGUID = 0
);
std::string generateHighscoreOrGetCachedQueryForEntries(const std::string &categoryName, uint32_t page, uint8_t entriesPerPage, uint32_t vocation);
std::string generateHighscoreOrGetCachedQueryForOurRank(const std::string &categoryName, uint8_t entriesPerPage, uint32_t playerGUID, uint32_t vocation);

Expand Down