(Xojo Plugin) Get the Photos for a User

Demonstrates how to get the photos that the user has uploaded.

Chilkat Xojo Plugin Download Xojo Plugin for Windows, Linux, Mac OS X, and ARM, ARM64

// 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
Dim oauth2 As New Chilkat.OAuth2
oauth2.AccessToken = "FACEBOOK-ACCESS-TOKEN"

Dim rest As New Chilkat.Rest

// Connect to Facebook.
Dim success As Boolean
success = rest.Connect("graph.facebook.com",443,True,True)
If (success <> True) Then
    System.DebugLog(rest.LastErrorText)
    Return
End If

// Provide the authentication credentials (i.e. the access key)
success = rest.SetAuthOAuth2(oauth2)

// Indicate that we only want the photos the user has personally uploaded.
success = rest.AddQueryParam("type","uploaded")

// We could limit the number of photos by setting a limit.
success = rest.AddQueryParam("limit","5")

// Gets the 1st page of photos. (Not the actual image data, but the information about each photo.)
// See https://developers.facebook.com/docs/graph-api/reference/user/photos/ for more information.
Dim responseJson As String
responseJson = rest.FullRequestNoBody("GET","/v2.7/me/photos")
If (rest.LastMethodSuccess <> True) Then
    System.DebugLog(rest.LastErrorText)
    Return
End If

Dim json As New Chilkat.JsonObject
json.EmitCompact = False
success = json.Load(responseJson)
System.DebugLog(json.Emit())

// A sample JSON response is shown below.  
// This is the code to parse the JSON response.

Dim dtime As New Chilkat.CkDateTime
Dim bLocalTime As Boolean
bLocalTime = True

Dim dt As Chilkat.DtObj
Dim i As Int32
i = 0
Dim numItems As Int32
numItems = json.SizeOfArray("data")
While i < numItems
    json.I = i
    System.DebugLog("--- " + Str(i))
    Dim name As String
    name = json.StringOf("data[i].name")
    If (json.LastMethodSuccess = True) Then
        System.DebugLog("name: " + name)
    End If

    System.DebugLog("id: " + json.StringOf("data[i].id"))

    // We can load the created_time into a CkDateTime...
    success = dtime.SetFromTimestamp(json.StringOf("data[i].created_time"))
    dt = dtime.GetDtObj(bLocalTime)
    System.DebugLog(Str(dt.Month) + "/" + Str(dt.Day) + "/" + Str(dt.Year) + "  " + Str(dt.Hour) + ":" + Str(dt.Minute))

    i = i + 1
Wend

// We can get the paging information as follows:
System.DebugLog("URL for next page: " + json.StringOf("paging.next"))
System.DebugLog("before cursor: " + json.StringOf("paging.cursors.before"))
System.DebugLog("after cursor: " + json.StringOf("paging.cursors.after"))

// This is a sample JSON response:
// { 
//   "data": [
//     {
//       "created_time": "2016-09-29T20:46:18+0000",
//       "name": "Ignore my posts -- I'm doing some testing for Facebook related programming...",
//       "id": "10210199026347451"
//     },
//     { 
//       "created_time": "2016-09-19T02:00:42+0000",
//       "id": "10210091531240138"
//     },
//     { 
//       "created_time": "2016-09-19T02:00:42+0000",
//       "id": "10210091520620125"
//     },
//     { 
//       "created_time": "2016-09-19T01:59:46+0000",
//       "name": "I would've went for a swim had it not been for the sign",
//       "id": "10210091522299917"
//     },
//     { 
//       "created_time": "2016-09-12T00:37:35+0000",
//       "id": "10210023316834798"
//     }
//   ],
//   "paging": { 
//     "cursors": { 
//       "before": "MTAyMTAxOTkwMjYzNDc0NTEZD",
//       "after": "MTAyMTAwMjMzMTU4MzQ3OTgZD"
//     },
//     "next": "https:\/\/graph.facebook.com\/v2.7\/10224048320139890\/photos?type=uploaded&limit=5&after=MTAyMTAwMjMzMTU4MzQ3OTgZD"
//   }
// }
//