(PowerShell) Get Individual Photo Info

Assuming we have the ID of a Photo, this example demonstrates how to retrieve the photo information and parse the JSON.

Chilkat .NET Downloads Chilkat .NET Assemblies

Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll"

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

# This example assumes a previously obtained an access token
$oauth2 = New-Object Chilkat.OAuth2
$oauth2.AccessToken = "FACEBOOK-ACCESS-TOKEN"

$rest = New-Object Chilkat.Rest

# Connect to Facebook...
$success = $rest.Connect("graph.facebook.com",443,$true,$true)
if ($success -ne $true) {
    $($rest.LastErrorText)
    exit
}

# Provide the authentication credentials (i.e. the access key)
$rest.SetAuthOAuth2($oauth2)

# Assumes we've already obtained a Photo ID.
$photoId = "10210199026347451"

$sbPath = New-Object Chilkat.StringBuilder
$sbPath.Append("/v2.7/")
$sbPath.Append($photoId)

# Select the fields we want.
# This example will select many of the possible fields.
# See https://developers.facebook.com/docs/graph-api/reference/photo/
$rest.AddQueryParam("fields","id,album,can_delete,can_tag,from,height,width,images,link,name,name_tags,picture,place,target")

$responseJson = $rest.FullRequestNoBody("GET",$sbPath.GetAsString())
if ($rest.LastMethodSuccess -ne $true) {
    $($rest.LastErrorText)
    exit
}

$json = New-Object Chilkat.JsonObject
$json.EmitCompact = $false
$json.Load($responseJson)

# Show the JSON in human-readable format.
$($json.Emit())

# A sample response is shown below.
# Demonstrate how to parse values from the JSON.
$("Album name: " + $json.StringOf("album.name"))
$canDelete = $json.BoolOf("can_delete")
$("Can Delete: " + $canDelete)
$("From Name: " + $json.StringOf("from.name"))
$height = $json.IntOf("height")
$width = $json.IntOf("width")
$("Dimensions: " + $width + "x" + $height)
$("First Image Source: " + $json.StringOf("images[0].source"))

# A sample JSON response is shown here.  
# { 
#   "id": "10210199026347451",
#   "album": { 
#     "created_time": "2009-10-19T00:06:46+0000",
#     "name": "Timeline Photos",
#     "id": "1237223526054"
#   },
#   "can_delete": true,
#   "can_tag": true,
#   "from": { 
#     "name": "Matt Smith",
#     "id": "10224048320139890"
#   },
#   "height": 120,
#   "width": 120,
#   "images": [
#     { 
#       "height": 120,
#       "source": "https:\/\/scontent.xx.fbcdn.net\/v\/t1.0-9\/14462791_10210199026347451_7830642117574407060_n.jpg?oh=a7f9ed10cf9cd81a82adeb541c60e2e2&oe=58ABB195",
#       "width": 120
#     }
#   ],
#   "link": "https:\/\/www.facebook.com\/photo.php?fbid=10210199026347451&set=a.1237223526054.2038240.1093202869&type=3",
#   "name": "Ignore my posts -- I'm doing some testing for Facebook related programming...",
#   "picture": "https:\/\/scontent.xx.fbcdn.net\/v\/t1.0-9\/14462791_10210199026347451_7830642117574407060_n.jpg?oh=a7f9ed10cf9cd81a82adeb541c60e2e2&oe=58ABB195"
# }
#