(Excel) Facebook User Feed (Read Posts)

Demonstrates how to read the feed of posts (including status updates) and links published by this person, or by others on this person's profile. This introductory example gets the first few posts.

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' 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)

' We could limit the number of posts.  The default limit is 25.
success = rest.AddQueryParam("limit","5")


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)

' Show the JSON in human-readable format.
Debug.Print json.Emit()

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

Dim dtime As Chilkat.CkDateTime
Set dtime = Chilkat.NewCkDateTime

bLocalTime = True


i = 0

numItems = json.SizeOfArray("data")
Do While i < numItems
    json.I = i
    Debug.Print "--- "; i

    message = json.StringOf("data[i].message")
    If (json.LastMethodSuccess = True) Then
        Debug.Print "message: "; message
    End If


    story = json.StringOf("data[i].story")
    If (json.LastMethodSuccess = True) Then
        Debug.Print "story: "; story
    End If

    Debug.Print "id: "; json.StringOf("data[i].id")

    ' We can load the created_time into a CkDateTime...
    success = dtime.SetFromTimestamp(json.StringOf("data[i].created_time"))
    Set dt = dtime.GetDtObj(bLocalTime)
    Debug.Print dt.Month; "/"; dt.Day; "/"; dt.Year; "  "; dt.Hour; ":"; dt.Minute

    i = i + 1
Loop

' Finally, there are two paging URLs at the very bottom.  Those can be accessed as shown:

prevUrl = json.StringOf("paging.previous")
Debug.Print "URL for previous page: "; prevUrl


nextUrl = json.StringOf("paging.next")
Debug.Print "URL for next page: "; nextUrl

' -------------------------------------------------------------------
' This is a sample JSON response..
' { 
'   "data": [
'     { 
'       "message": "This is the first post.",
'       "created_time": "2016-09-28T14:36:45+0000",
'       "id": "12345678901234567_12345678900000001"
'     },
'     { 
'       "message": "This is the 2nd post.",
'       "created_time": "2016-09-27T03:26:12+0000",
'       "id": "12345678901234567_12345678900000002"
'     },
'     { 
'       "story": "John Doe shared Mary's post.",
'       "created_time": "2016-09-26T15:45:10+0000",
'       "id": "12345678901234567_12345678900000003"
'     },
'     { 
'       "message": "https:\/\/www.somewebsite.org\/?ID=8158",
'       "created_time": "2016-09-26T02:29:20+0000",
'       "id": "12345678901234567_12345678900000004"
'     },
'     { 
'       "message": "http:\/\/blog.somebody.com\/post\/123",
'       "created_time": "2016-09-26T02:02:56+0000",
'       "id": "12345678901234567_12345678900000005"
'     },
'     { 
'       "story": "John Doe shared Bill's photo.",
'       "created_time": "2016-09-25T15:32:09+0000",
'       "id": "12345678901234567_12345678900000006"
'     },
'     { 
'       "message": "Check this out...",
'       "story": "John Doe shared NPR Music's video.",
'       "created_time": "2016-09-25T14:54:52+0000",
'       "id": "12345678901234567_12345678900000007"
'     },
'     { 
'       "message": "Yet another post...",
'       "created_time": "2016-09-24T17:21:30+0000",
'       "id": "12345678901234567_12345678900000008"
'     },
'     { 
'       "message": "http:\/\/www.somewhere.com\/blahblahblah\/",
'       "created_time": "2016-09-23T22:20:29+0000",
'       "id": "12345678901234567_12345678900000009"
'     },
'     { 
'       "message": "At Lincoln marsh ...",
'       "story": "John Doe added 2 new photos.",
'       "created_time": "2016-09-19T02:00:43+0000",
'       "id": "12345678901234567_12345678900000010"
'     },
'     { 
'       "message": "I would've went for a swim had it not been for the sign",
'       "created_time": "2016-09-19T01:59:47+0000",
'       "id": "12345678901234567_12345678900000011"
'     },
'     { 
'       "story": "John Doe shared Steve's video.",
'       "created_time": "2016-09-17T22:00:02+0000",
'       "id": "12345678901234567_12345678900000012"
'     },
'     { 
'       "message": "Another sample message...",
'       "story": "John Doe shared XYZ's post.",
'       "created_time": "2016-09-17T14:13:16+0000",
'       "id": "12345678901234567_12345678900000013"
'     },
'     { 
'       "message": "Hello World!",
'       "created_time": "2016-09-16T23:17:13+0000",
'       "id": "12345678901234567_12345678900000014"
'     },
'     { 
'       "message": "https:\/\/www.youtube.com\/watch?v=xyz",
'       "created_time": "2016-09-15T04:13:02+0000",
'       "id": "12345678901234567_12345678900000015"
'     },
'     { 
'       "story": "John Doe shared Emily's photo.",
'       "created_time": "2016-09-14T16:37:10+0000",
'       "id": "12345678901234567_12345678900000016"
'     },
'     { 
'       "story": "John Doe shared Vincent's photo.",
'       "created_time": "2016-09-14T14:03:42+0000",
'       "id": "12345678901234567_12345678900000017"
'     },
'     { 
'       "message": "https:\/\/www.chilkatsoft.com\/",
'       "created_time": "2016-09-14T02:29:37+0000",
'       "id": "12345678901234567_12345678900000018"
'     },
'     { 
'       "message": "So cool!  Marcus jamming with this 16 year old kid...",
'       "created_time": "2016-09-13T17:04:53+0000",
'       "id": "12345678901234567_12345678900000019"
'     },
'     { 
'       "message": "Wow!",
'       "story": "John Doe shared Somebody's post.",
'       "created_time": "2016-09-13T14:11:18+0000",
'       "id": "12345678901234567_12345678900000020"
'     }
'   ],
'   "paging": { 
'     "previous": "https:\/\/graph.facebook.com\/v2.7\/12345678901234567\/feed?since=1475073405&limit=25&__paging_token=enc_abcT9x9GFabcTxvnyXZC0xnHZCrH2h4yjNZCZAUabcZAI9TyZBibwat6wCYiSFTxR4nSDZAkzaN8vIaEPmqrabc1QTIbGac&__previous=1",
'     "next": "https:\/\/graph.facebook.com\/v2.7\/12345678901234567\/feed?limit=25&until=1473426350&__paging_token=enc_AdDFWabcYtV5ob6lFO8LZAMhm7LKCxntawqqabcZALyC8WZB8Th2lON7HGuJRabzW6Ivfm93LORIw9NNBuHpob7abcjh"
'   }
' }
'