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(Excel) Iterate Pages in Feed

Demonstrates how to read the next page in the user's Facebook feed, and iterates through all of the pages in the Facebook feed.

Download Excel Class Modules

Chilkat Excel Class Modules

' 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 Chilkat.OAuth2
Set oauth2 = Chilkat.NewOAuth2
oauth2.AccessToken = "FACEBOOK-ACCESS-TOKEN"

Dim rest As Chilkat.Rest
Set rest = Chilkat.NewRest

' Connect to Facebook and send the following GET request:

success = rest.Connect("graph.facebook.com",443,True,True)
If (success <> True) Then
    Debug.Print rest.LastErrorText
    Exit Sub
End If

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

' Gets the 1st page in the user's feed.

responseJson = rest.FullRequestNoBody("GET","/v2.7/me/feed")
If (rest.LastMethodSuccess <> True) Then
    Debug.Print rest.LastErrorText
    Exit Sub
End If

Dim json As Chilkat.JsonObject
Set json = Chilkat.NewJsonObject
json.EmitCompact = False
success = json.Load(responseJson)

' 
' See Parsing the Facebook User Feed for code showing how to parse the JSON feed content.
' 

Dim nextUrl As Chilkat.Url
Set nextUrl = Chilkat.NewUrl

' Get the URL for the next page in the feed.

nextUrlStr = json.StringOf("paging.next")
Do While json.LastMethodSuccess = True

    Debug.Print "Next page URL: "; nextUrlStr

    success = nextUrl.ParseUrl(nextUrlStr)

    ' Prepare for getting the next page in the feed.
    ' We can continue using the same REST object.
    ' If already connected, we'll continue using the existing connection.
    ' Otherwise, a new connection will automatically be made if needed.
    success = rest.ClearAllQueryParams()
    success = rest.AddQueryParams(nextUrl.Query)

    responseJson = rest.FullRequestNoBody("GET","/v2.7/me/feed")
    If (rest.LastMethodSuccess <> True) Then
        Debug.Print rest.LastErrorText
        Exit Sub
    End If

    success = json.Load(responseJson)
    ' See Parsing the Facebook User Feed for code showing how to parse the JSON feed content.

    ' Get the URL for the next page.
    nextUrlStr = json.StringOf("paging.next")
Loop

Debug.Print "No more pages in the feed."

 

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