#' Get results information from games
#'
#' @param year (\emph{Integer} required): Year, 4 digit format(\emph{YYYY})
#' @param week (\emph{Integer} optional): Week - values from 1-15, 1-14 for seasons pre-playoff (i.e. 2013 or earlier)
#' @param season_type (\emph{String} default regular): Select Season Type: regular or postseason
#' @param team (\emph{String} optional): D-I Team
#' @param category (\emph{String} optional): Category filter (e.g defensive)\cr
#' Offense: passing, receiving, rushing\cr
#' Defense: defensive, fumbles, interceptions\cr
#' Special Teams: punting, puntReturns, kicking, kickReturns\cr
#' @param conference (\emph{String} optional): Conference abbreviation - Select a valid FBS conference\cr
#' Conference abbreviations P5: ACC, B12, B1G, SEC, PAC\cr
#' Conference abbreviations G5 and FBS Independents: CUSA, MAC, MWC, Ind, SBC, AAC\cr
#' @param game_id (\emph{Integer} optional): Game ID filter for querying a single game
#' Can be found using the \code{\link[cfbscrapR:cfb_game_info]{cfbscrapR::cfb_game_info()}} function
#'
#' @return A data frame with 32 variables:
#' \describe{
#' \item{\code{game_id}}{integer.}
#' \item{\code{team}}{character.}
#' \item{\code{conference}}{character.}
#' \item{\code{home_away}}{character.}
#' \item{\code{points}}{integer.}
#' \item{\code{category}}{character.}
#' \item{\code{athlete_id}}{character.}
#' \item{\code{name}}{character.}
#' \item{\code{c_att}}{character.}
#' \item{\code{yds}}{double.}
#' \item{\code{avg}}{double.}
#' \item{\code{td}}{double.}
#' \item{\code{int}}{double.}
#' \item{\code{qbr}}{double.}
#' \item{\code{car}}{double.}
#' \item{\code{long}}{double.}
#' \item{\code{rec}}{double.}
#' \item{\code{no}}{double.}
#' \item{\code{fg}}{character.}
#' \item{\code{pct}}{double.}
#' \item{\code{xp}}{character.}
#' \item{\code{pts}}{double.}
#' \item{\code{tb}}{double.}
#' \item{\code{in_20}}{double.}
#' \item{\code{fum}}{double.}
#' \item{\code{lost}}{double.}
#' \item{\code{tot}}{double.}
#' \item{\code{solo}}{double.}
#' \item{\code{sacks}}{double.}
#' \item{\code{tfl}}{double.}
#' \item{\code{pd}}{double.}
#' \item{\code{qb_hur}}{double.}
#' }
#' @source \url{https://api.collegefootballdata.com/games/players}
#' @keywords Game Info
#' @importFrom jsonlite fromJSON
#' @importFrom httr GET
#' @importFrom utils URLencode URLdecode
#' @importFrom assertthat assert_that
#' @importFrom janitor clean_names
#' @importFrom glue glue
#' @import dplyr
#' @import tidyr
#' @import purrr
#' @export
#' @examples
#'
#' cfb_game_player_stats(2018, week = 15, conference = 'Ind')
#'
#' cfb_game_player_stats(2013, week=1, team = "Florida State", category = 'passing')
#'
cfb_game_player_stats<- function(year,
week = NULL,
season_type = 'regular',
team = NULL,
conference = NULL,
category = NULL,
game_id = NULL) {
stat_categories <- c('passing', 'receiving', 'rushing', 'defensive', 'fumbles',
'interceptions', 'punting', 'puntReturns', 'kicking', 'kickReturns')
args <- list(year, week, season_type, team, conference, category, game_id)
args <- args[lengths(args) != 0]
# Check if year is numeric
assertthat::assert_that(is.numeric(year) & nchar(year) == 4,
msg = 'Enter valid year as a number (YYYY)')
if(!is.null(week)){
# Check if week is numeric, if not NULL
assertthat::assert_that(is.numeric(week) & nchar(week) <= 2,
msg = 'Enter valid week 1-15\n(14 for seasons pre-playoff, i.e. 2014 or earlier)')
}
if(season_type != 'regular'){
# Check if season_type is appropriate, if not regular
assertthat::assert_that(season_type %in% c('postseason'),
msg = 'Enter valid season_type: regular, postseason')
}
if(!is.null(team)){
if(team == "San Jose State"){
team = utils::URLencode(paste0("San Jos","\u00e9", " State"), reserved = TRUE)
} else{
# Encode team parameter for URL if not NULL
team = utils::URLencode(team, reserved = TRUE)
}
}
if(!is.null(conference)){
# # Check conference parameter in conference abbreviations, if not NULL
# assertthat::assert_that(conference %in% cfbscrapR::cfb_conf_types_df$abbreviation,
# msg = "Incorrect conference abbreviation, potential misspelling.\nConference abbreviations P5: ACC, B12, B1G, SEC, PAC\nConference abbreviations G5 and Independents: CUSA, MAC, MWC, Ind, SBC, AAC")
# Encode conference parameter for URL, if not NULL
conference = utils::URLencode(conference, reserved = TRUE)
}
if(!is.null(category)){
# Check category parameter in category if not NULL
assertthat::assert_that(category %in% stat_categories,
msg = "Incorrect category, potential misspelling.\nOffense: passing, receiving, rushing\nDefense: defensive, fumbles, interceptions\nSpecial Teams: punting, puntReturns, kicking, kickReturns")
# Encode conference parameter for URL, if not NULL
category = utils::URLencode(category, reserved = TRUE)
}
if(!is.null(game_id)){
# Check if game_id is numeric, if not NULL
assertthat::assert_that(is.numeric(game_id),
msg = 'Enter valid game_id (numeric value)')
}
base_url <- "https://api.collegefootballdata.com/games/players?"
full_url <- paste0(base_url,
"year=", year,
"&week=", week,
"&seasonType=", season_type,
"&team=", team,
"&conference=", conference,
"&category=", category,
"&gameId=", game_id)
# Check for internet
check_internet()
# Create the GET request and set response as res
res <- httr::GET(full_url)
# Check the result
check_status(res)
cols <- c("game_id", "team", "conference", "home_away", "points", "category",
"athlete_id", "name", "c_att", "yds", "avg", "td", "int", "qbr",
"car", "long", "rec", "no", "fg", "pct", "xp", "pts", "tb", "in_20",
"fum", "lost", "tot", "solo", "sacks", "tfl", "pd", "qb_hur")
numeric_cols <- c("yds", "avg", "td", "int", "qbr",
"car", "long", "rec", "no","pct","pts", "tb", "in_20",
"fum", "lost", "tot", "solo", "sacks", "tfl", "pd", "qb_hur")
df <- data.frame()
tryCatch(
expr ={
# Get the content, tidyr::unnest, and return result as data.frame
df = jsonlite::fromJSON(full_url, flatten=TRUE) %>%
purrr::map_if(is.data.frame, list) %>%
dplyr::as_tibble() %>%
dplyr::rename(game_id = .data$id) %>%
tidyr::unnest(.data$teams) %>%
purrr::map_if(is.data.frame, list) %>%
dplyr::as_tibble() %>%
tidyr::unnest(.data$categories) %>%
purrr::map_if(is.data.frame, list) %>%
dplyr::as_tibble() %>%
dplyr::rename(category = .data$name) %>%
tidyr::unnest(.data$types) %>%
purrr::map_if(is.data.frame, list) %>%
dplyr::as_tibble() %>%
dplyr::rename(stat_category = .data$name) %>%
tidyr::unnest(.data$athletes) %>%
dplyr::rename(athlete_id = .data$id,
team = .data$school,
value = .data$stat) %>%
pivot_wider(names_from = .data$stat_category, values_from = .data$value) %>%
janitor::clean_names()
df[cols[!(cols %in% colnames(df))]] = NA
df <- df %>%
dplyr::select(cols, dplyr::everything()) %>%
dplyr::mutate_at(numeric_cols, as.numeric) %>%
as.data.frame()
message(glue::glue("{Sys.time()}: Scraping game player stats data..."))
},
error = function(e) {
message(glue::glue("{Sys.time()}: Invalid arguments or no game player stats data available!"))
},
warning = function(w) {
},
finally = {
}
)
# is_c_att_present <- any(grepl("C/ATT",colnames(df)))
# if(is_c_att_present){
# df <- df %>%
# dplyr::mutate("C/ATT"="0/0")
# }
return(df)
}
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