R/parse.fumble.r

In wrbrooks/pbp: Scrape college football play-by-play data from the ESPN website

parse.fumble <- function(play, meta) {
    play$fumble <- FALSE
    
    team.pattern <- paste(meta$home.school, meta$home.abbrev, meta$away.school, meta$away.abbrev, sep='|')
    
    fumble_regex = paste0("fumbled?.*(forced by (?<forcer>", name.pattern, "))?.*",
        "(recovered by (?<team>", team.pattern, ") (?<recoverer>", name.pattern, "))?", sep='')
        
    if (grepl(fumble_regex, play$pbp, perl=TRUE, fixed=FALSE, ignore.case=TRUE)) {
        match <- regex(fumble_regex, play$pbp, perl=TRUE, fixed=FALSE, ignore.case=TRUE)
        play$fumble <- TRUE
    }
    
    return(play)
}