(SQL Server) 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.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    DECLARE @iTmp1 int
    DECLARE @iTmp2 int
    DECLARE @iTmp3 int
    DECLARE @iTmp4 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    -- 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
    DECLARE @oauth2 int
    -- Use "Chilkat_9_5_0.OAuth2" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.OAuth2', @oauth2 OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    EXEC sp_OASetProperty @oauth2, 'AccessToken', 'FACEBOOK-ACCESS-TOKEN'

    DECLARE @rest int
    -- Use "Chilkat_9_5_0.Rest" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Rest', @rest OUT

    -- Connect to Facebook and send the following GET request:
    DECLARE @success int
    EXEC sp_OAMethod @rest, 'Connect', @success OUT, 'graph.facebook.com', 443, 1, 1
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @oauth2
        EXEC @hr = sp_OADestroy @rest
        RETURN
      END

    -- Provide the authentication credentials (i.e. the access key)
    EXEC sp_OAMethod @rest, 'SetAuthOAuth2', @success OUT, @oauth2

    -- We could limit the number of posts.  The default limit is 25.
    EXEC sp_OAMethod @rest, 'AddQueryParam', @success OUT, 'limit', '5'

    DECLARE @responseJson nvarchar(4000)
    EXEC sp_OAMethod @rest, 'FullRequestNoBody', @responseJson OUT, 'GET', '/v2.7/me/feed'
    EXEC sp_OAGetProperty @rest, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 <> 1
      BEGIN
        EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @oauth2
        EXEC @hr = sp_OADestroy @rest
        RETURN
      END

    DECLARE @json int
    -- Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @json OUT

    EXEC sp_OASetProperty @json, 'EmitCompact', 0
    EXEC sp_OAMethod @json, 'Load', @success OUT, @responseJson

    -- Show the JSON in human-readable format.
    EXEC sp_OAMethod @json, 'Emit', @sTmp0 OUT
    PRINT @sTmp0

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

    DECLARE @dtime int
    -- Use "Chilkat_9_5_0.CkDateTime" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.CkDateTime', @dtime OUT

    DECLARE @bLocalTime int
    SELECT @bLocalTime = 1

    DECLARE @dt int

    DECLARE @i int
    SELECT @i = 0
    DECLARE @numItems int
    EXEC sp_OAMethod @json, 'SizeOfArray', @numItems OUT, 'data'
    WHILE @i < @numItems
      BEGIN
        EXEC sp_OASetProperty @json, 'I', @i

        PRINT '--- ' + @i
        DECLARE @message nvarchar(4000)
        EXEC sp_OAMethod @json, 'StringOf', @message OUT, 'data[i].message'
        EXEC sp_OAGetProperty @json, 'LastMethodSuccess', @iTmp0 OUT
        IF @iTmp0 = 1
          BEGIN

            PRINT 'message: ' + @message
          END
        DECLARE @story nvarchar(4000)
        EXEC sp_OAMethod @json, 'StringOf', @story OUT, 'data[i].story'
        EXEC sp_OAGetProperty @json, 'LastMethodSuccess', @iTmp0 OUT
        IF @iTmp0 = 1
          BEGIN

            PRINT 'story: ' + @story
          END

        EXEC sp_OAMethod @json, 'StringOf', @sTmp0 OUT, 'data[i].id'
        PRINT 'id: ' + @sTmp0

        -- We can load the created_time into a CkDateTime...
        EXEC sp_OAMethod @json, 'StringOf', @sTmp0 OUT, 'data[i].created_time'
        EXEC sp_OAMethod @dtime, 'SetFromTimestamp', @success OUT, @sTmp0
        EXEC sp_OAMethod @dtime, 'GetDtObj', @dt OUT, @bLocalTime
        EXEC sp_OAGetProperty @dt, 'Month', @iTmp0 OUT

        EXEC sp_OAGetProperty @dt, 'Day', @iTmp1 OUT

        EXEC sp_OAGetProperty @dt, 'Year', @iTmp2 OUT

        EXEC sp_OAGetProperty @dt, 'Hour', @iTmp3 OUT

        EXEC sp_OAGetProperty @dt, 'Minute', @iTmp4 OUT
        PRINT @iTmp0 + '/' + @iTmp1 + '/' + @iTmp2 + '  ' + @iTmp3 + ':' + @iTmp4
        EXEC @hr = sp_OADestroy @dt

        SELECT @i = @i + 1
      END

    -- Finally, there are two paging URLs at the very bottom.  Those can be accessed as shown:
    DECLARE @prevUrl nvarchar(4000)
    EXEC sp_OAMethod @json, 'StringOf', @prevUrl OUT, 'paging.previous'

    PRINT 'URL for previous page: ' + @prevUrl

    DECLARE @nextUrl nvarchar(4000)
    EXEC sp_OAMethod @json, 'StringOf', @nextUrl OUT, 'paging.next'

    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"
    --   }
    -- }
    -- 

    EXEC @hr = sp_OADestroy @oauth2
    EXEC @hr = sp_OADestroy @rest
    EXEC @hr = sp_OADestroy @json
    EXEC @hr = sp_OADestroy @dtime


END
GO