Xbase++ Requires Chilkat v11.0.0+
Xbase++
Facebook User Feed (Read Posts)
See more Facebook Examples
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.Chilkat Xbase++ Downloads
LOCAL nSuccess
LOCAL oOauth2
LOCAL oRest
LOCAL cResponseJson
LOCAL oJson
LOCAL oDtime
LOCAL nBLocalTime
LOCAL oDt
LOCAL i
LOCAL nNumItems
LOCAL cMessage
LOCAL cStory
LOCAL cPrevUrl
LOCAL cNextUrl
nSuccess := 0
// 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
oOauth2 := CreateObject("Chilkat.OAuth2")
oOauth2:AccessToken := "FACEBOOK-ACCESS-TOKEN"
oRest := CreateObject("Chilkat.Rest")
// Connect to Facebook and send the following GET request:
nSuccess := oRest:Connect("graph.facebook.com", 443, 1, 1)
IF (nSuccess == 0)
? oRest:LastErrorText
oOauth2:destroy()
oRest:destroy()
RETURN
ENDIF
// Provide the authentication credentials (i.e. the access key)
oRest:SetAuthOAuth2(oOauth2)
// We could limit the number of posts. The default limit is 25.
oRest:AddQueryParam("limit", "5")
cResponseJson := oRest:FullRequestNoBody("GET", "/v2.7/me/feed")
IF (oRest:LastMethodSuccess == 0)
? oRest:LastErrorText
oOauth2:destroy()
oRest:destroy()
RETURN
ENDIF
oJson := CreateObject("Chilkat.JsonObject")
oJson:EmitCompact := 0
oJson:Load(cResponseJson)
// Show the JSON in human-readable format.
? oJson:Emit()
// A sample JSON response is shown below.
// This is the code to parse the JSON response.
oDtime := CreateObject("Chilkat.CkDateTime")
nBLocalTime := 1
oDt := CreateObject("Chilkat.DtObj")
i := 0
nNumItems := oJson:SizeOfArray("data")
DO WHILE i < nNumItems
oJson:I := i
? "--- " + Str(i)
cMessage := oJson:StringOf("data[i].message")
IF (oJson:LastMethodSuccess == 1)
? "message: " + cMessage
ENDIF
cStory := oJson:StringOf("data[i].story")
IF (oJson:LastMethodSuccess == 1)
? "story: " + cStory
ENDIF
? "id: " + oJson:StringOf("data[i].id")
// We can load the created_time into a CkDateTime...
oDtime:SetFromTimestamp(oJson:StringOf("data[i].created_time"))
oDtime:ToDtObj(nBLocalTime, oDt)
? Str(oDt:Month) + "/" + Str(oDt:Day) + "/" + Str(oDt:Year) + " " + Str(oDt:Hour) + ":" + Str(oDt:Minute)
i := i + 1
ENDDO
// Finally, there are two paging URLs at the very bottom. Those can be accessed as shown:
cPrevUrl := oJson:StringOf("paging.previous")
? "URL for previous page: " + cPrevUrl
cNextUrl := oJson:StringOf("paging.next")
? "URL for next page: " + cNextUrl
// -------------------------------------------------------------------
// 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"
// }
// }
//
oOauth2:destroy()
oRest:destroy()
oJson:destroy()
oDtime:destroy()
oDt:destroy()