library(stringi)

result <- dbSendQuery(conn, query_get_players)
players <- fetch(result)

if (nrow(players) > 0) {
    for (row in 1:nrow(players)) { # nolint
        id <- players[row, "id"]
        name <- players[row, "name"]

        filename <- stri_trans_general(str = name, id = "Latin-ASCII")

        query <- query_game_coin_vs_time_start
        query <- paste(query, id)
        query <- paste(query, query_game_coin_vs_time_end)

        data <- dbGetQuery(conn, query)

        time_series <- ts(data[2], start = 0, frequency = 1)

        png(file = paste("out/", paste(filename, ".png", sep = ""), sep = ""))

        plot(time_series, main = name, yaxt = "n")

        axis(2, pretty(c(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12), n = 12))
    }
}