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add option to select google vision feature "SAFE_SEARCH_DETECTION" #6

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add option to select google vision feature "SAFE_SEARCH_DETECTION" #6

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11 changes: 7 additions & 4 deletions R/googleVision-LIB.R
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Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,7 @@ imageToText <- function(imagePath) {
#' @description a utility to extract features from the API response
#'
#' @param pp an API response object
#' @param feature the name of the feature to return
#' @param feature the name of the feature to return
#' @return a data frame
#'
extractResponse <- function(pp, feature){
Expand All @@ -51,6 +51,9 @@ extractResponse <- function(pp, feature){
if (feature == "LANDMARK_DETECTION") {
return(pp$content$responses$landmarkAnnotations[[1]])
}
if (feature == "SAFE_SEARCH_DETECTION") {
return(pp$content$responses$safeSearchAnnotation)
}
}


Expand All @@ -63,7 +66,7 @@ extractResponse <- function(pp, feature){
#' @param numResults the number of results to return.
#' @export
#' @return a data frame with results
#' @examples
#' @examples
#' f <- system.file("exampleImages", "brandlogos.png", package = "RoogleVision")
#' getGoogleVisionResponse(imagePath = f, feature = "LOGO_DETECTION")
#' @import googleAuthR
Expand All @@ -73,7 +76,7 @@ getGoogleVisionResponse <- function(imagePath, feature = "LABEL_DETECTION", numR
#################################
txt <- imageToText(imagePath)
### create Request, following the API Docs.
if (is.numeric(numResults)) {
if (is.numeric(numResults)) {
body <- paste0('{ "requests": [ { "image": { "content": "',txt,'" }, "features": [ { "type": "',feature,'", "maxResults": ',numResults,'} ], } ],}')
} else {
body <- paste0('{ "requests": [ { "image": { "content": "',txt,'" }, "features": [ { "type": "',feature,'" } ], } ],}')
Expand All @@ -82,7 +85,7 @@ getGoogleVisionResponse <- function(imagePath, feature = "LABEL_DETECTION", numR
simpleCall <- gar_api_generator(baseURI = "https://vision.googleapis.com/v1/images:annotate", http_header = "POST")
## set the request!
pp <- simpleCall(the_body = body)

if (ncol(pp$content$responses) >0) {
## obtain results.
res <- extractResponse(pp, feature)
Expand Down