PureBasic
PureBasic
Twitter - Get Follower IDs
Demonstrates how to get a list of follower IDs for a Twitter user. If the number of followers is more than can be returned in a single response, this example will use cursors to page through the followers.This example is deprecated and no longer valid.
Chilkat PureBasic Downloads
IncludeFile "CkStringBuilder.pb"
IncludeFile "CkRest.pb"
IncludeFile "CkJsonObject.pb"
IncludeFile "CkOAuth1.pb"
Procedure ChilkatExample()
success.i = 0
; This example requires the Chilkat API to have been previously unlocked.
; See Global Unlock Sample for sample code.
; ----------------------------------------------------------------------
; This initial setup, which involves setting the OAuth1 properties and connecting
; to api.twitter.com, is only required once at the beginning. Once connected, the same
; object instance may be re-used, and if necessary, it will automatically reconnect
; as needed.
; Assume we've previously obtained an access token and saved it to a JSON file..
json.i = CkJsonObject::ckCreate()
If json.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
success = CkJsonObject::ckLoadFile(json,"qa_data/tokens/twitter.json")
rest.i = CkRest::ckCreate()
If rest.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
oauth1.i = CkOAuth1::ckCreate()
If oauth1.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
CkOAuth1::setCkConsumerKey(oauth1, "TWITTER_CONSUMER_KEY")
CkOAuth1::setCkConsumerSecret(oauth1, "TWITTER_CONSUMER_SECRET")
CkOAuth1::setCkToken(oauth1, CkJsonObject::ckStringOf(json,"oauth_token"))
CkOAuth1::setCkTokenSecret(oauth1, CkJsonObject::ckStringOf(json,"oauth_token_secret"))
CkOAuth1::setCkSignatureMethod(oauth1, "HMAC-SHA1")
CkOAuth1::ckGenNonce(oauth1,16)
CkRest::ckSetAuthOAuth1(rest,oauth1,0)
bAutoReconnect.i = 1
success = CkRest::ckConnect(rest,"api.twitter.com",443,1,bAutoReconnect)
If success <> 1
Debug CkRest::ckLastErrorText(rest)
CkJsonObject::ckDispose(json)
CkRest::ckDispose(rest)
CkOAuth1::ckDispose(oauth1)
ProcedureReturn
EndIf
; This ends the initial setup...
; ----------------------------------------------------------------------
; This Twitter user has about 77.5K followers..
CkRest::ckAddQueryParam(rest,"screen_name","MarcusMiller959")
jsonResponse.i = CkJsonObject::ckCreate()
If jsonResponse.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
CkJsonObject::setCkEmitCompact(jsonResponse, 0)
; Get the 1st page of results using a cursor of "-1".
sbNextCursor.i = CkStringBuilder::ckCreate()
If sbNextCursor.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
CkStringBuilder::ckSetString(sbNextCursor,"-1")
pageNum.i = 1
caseSensitive.i = 0
bContinue.i = 1
; Get a maximum of 5 pages (of 5000 ids each).
While bContinue = 1
If CkStringBuilder::ckContentsEqual(sbNextCursor,"0",caseSensitive) = 1
; This will cause the loop to exit..
bContinue = 0
Else
; Adds or replaces the query param.
CkRest::ckAddQueryParam(rest,"cursor",CkStringBuilder::ckGetAsString(sbNextCursor))
; Get the next page of follower IDs
resp.s = CkRest::ckFullRequestNoBody(rest,"GET","/1.1/followers/ids.json")
If CkRest::ckLastMethodSuccess(rest) <> 1
Debug CkRest::ckLastErrorText(rest)
CkJsonObject::ckDispose(json)
CkRest::ckDispose(rest)
CkOAuth1::ckDispose(oauth1)
CkJsonObject::ckDispose(jsonResponse)
CkStringBuilder::ckDispose(sbNextCursor)
ProcedureReturn
EndIf
CkJsonObject::ckLoad(jsonResponse,resp)
If CkRest::ckResponseStatusCode(rest) <> 200
Debug CkJsonObject::ckEmit(jsonResponse)
CkJsonObject::ckDispose(json)
CkRest::ckDispose(rest)
CkOAuth1::ckDispose(oauth1)
CkJsonObject::ckDispose(jsonResponse)
CkStringBuilder::ckDispose(sbNextCursor)
ProcedureReturn
EndIf
; Show the number of IDs returned in this
numIds.i = CkJsonObject::ckSizeOfArray(jsonResponse,"ids")
Debug "Page " + Str(pageNum) + ", Number of Ids: " + Str(numIds)
; Show the 1st 10 ids in this page.
i.i = 0
While i < numIds
CkJsonObject::setCkI(jsonResponse, i)
Debug " " + Str(i) + ": " + CkJsonObject::ckStringOf(jsonResponse,"ids[i]")
i = i + 1
If i > 10
; Force the loop to exit.
i = numIds
EndIf
Wend
pageNum = pageNum + 1
If pageNum > 5
bContinue = 0
Else
CkStringBuilder::ckSetString(sbNextCursor,CkJsonObject::ckStringOf(jsonResponse,"next_cursor_str"))
EndIf
EndIf
Wend
; A successful JSON response for the 1st page looks like this:
; {
; "ids": [
; 3140496044,
; 793204773751324672,
; 789951187781050369,
; 763520773587922945,
; ...
; 15031286,
; 2668251246,
; 3751659443
; ],
; "next_cursor": 1531680438812851153,
; "next_cursor_str": "1531680438812851153",
; "previous_cursor": 0,
; "previous_cursor_str": "0"
; }
; The output of this program looks like this:
; Page 1, Number of Ids: 5000
; 0: 931953350
; 1: 786708055
; 2: 560845700
; 3: 3140496044
; 4: 793204773751324672
; 5: 789951187781050369
; 6: 763520773587922945
; 7: 793143274059988992
; 8: 793139683412762624
; 9: 1588222783
; 10: 703821370778451968
; Page 2, Number of Ids: 5000
; 0: 15031286
; 1: 2668251246
; 2: 3751659443
; 3: 3324584493
; 4: 2440214809
; 5: 1322335441
; 6: 4439178393
; 7: 4911573711
; 8: 720792880080560128
; 9: 720805087124267008
; 10: 172926330
; Page 3, Number of Ids: 5000
; 0: 93867176
; 1: 2992946183
; 2: 2825296077
; 3: 3784572861
; 4: 2150051321
; 5: 2460881603
; 6: 4128849341
; 7: 2234697931
; 8: 2379418164
; 9: 3425171542
; 10: 325759186
; Page 4, Number of Ids: 5000
; 0: 22793412
; 1: 3347750489
; 2: 316923043
; 3: 2481719196
; 4: 3363591905
; 5: 3238116492
; 6: 58467130
; 7: 3015182362
; 8: 2985342719
; 9: 3095965720
; 10: 17505957
; Page 5, Number of Ids: 5000
; 0: 2541434684
; 1: 140022957
; 2: 134845054
; 3: 772810508
; 4: 16979294
; 5: 2320540225
; 6: 105439442
; 7: 2796744529
; 8: 251128801
; 9: 350229758
; 10: 2683994716
;
CkJsonObject::ckDispose(json)
CkRest::ckDispose(rest)
CkOAuth1::ckDispose(oauth1)
CkJsonObject::ckDispose(jsonResponse)
CkStringBuilder::ckDispose(sbNextCursor)
ProcedureReturn
EndProcedure