facebook.image.formats: Pull the list of image formats available from a set of photos
In facebook.S4: Access to Facebook API V2 via a Set of S4 Classes

Description Usage Arguments Value Valid sources Author(s) See Also Examples

facebook.image.formats pulls information about the formats of a set of photos in a link{FacebookPhotosCollection-class} and push into a named list.

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facebook.image.formats(id, token = NULL, parameters = list(),
  fields = c("source", "height", "width"),
  .progress = create_progress_bar())

`id`	An existing `FacebookPhotosCollection`.
`token`	Either a temporary access token created at https://developers.facebook.com/tools/explorer or the OAuth token created with `fbOAuth`. If it's `NULL`, the token from `id` is used.
`parameters`	A list of parameters to be added to the Facebook Graph API query. For more information on the accepted parameters, see: https://developers.facebook.com/docs/graph-api/using-graph-api.
`fields`	A character vector with the fields to get for each `id`.
`.progress`	progress_bar object as defined in the plyr package. By default the `none` progress bar is used, which prints nothing to the console. See create_progress_bar for details.

A named list with all the formats of the given photos. The name of is set to the id of the photo.

FacebookPhotosCollection-class will build a collection with the formats available for the photos in the source collection.

Gabriele Baldassarre https://gabrielebaldassarre.com

FacebookAlbumsCollection, FacebookPhotosCollection

## Not run: 
## See examples for fbOAuth to know how token was created.
 load("fb_oauth")
 
## Getting information about two example Facebook Pages
 fb.pages <- FacebookPagesCollection(id = c("9thcirclegames",
                                           "NathanNeverSergioBonelliEditore"), 
                                     token = fb_oauth)
 
## Pull at most 10 albums from each page
 fb.albums <- FacebookAlbumscollection(id = fb.pages, token = fb_oauth, n = 10)
 
## Pull all the available photos from each album
 fb.photos.inf <- FacebookPhotoscollection(id = fb.albums, n = Inf)
 
## Pull all the available formats for those photos
 fb.images.inf <- FacebookImagescollection(id = fb.photos.inf, n = Inf)

## End(Not run)