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(Visual FoxPro) Twitter - Get Follower IDsDemonstrates 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 This example is deprecated and no longer valid.
LOCAL loJson LOCAL lnSuccess LOCAL loRest LOCAL loOauth1 LOCAL lnBAutoReconnect LOCAL loJsonResponse LOCAL loSbNextCursor LOCAL lnPageNum LOCAL lnCaseSensitive LOCAL lnBContinue LOCAL lcResp LOCAL lnNumIds LOCAL i * 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.. * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.JsonObject') loJson = CreateObject('Chilkat.JsonObject') lnSuccess = loJson.LoadFile("qa_data/tokens/twitter.json") * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.Rest') loRest = CreateObject('Chilkat.Rest') * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.OAuth1') loOauth1 = CreateObject('Chilkat.OAuth1') loOauth1.ConsumerKey = "TWITTER_CONSUMER_KEY" loOauth1.ConsumerSecret = "TWITTER_CONSUMER_SECRET" loOauth1.Token = loJson.StringOf("oauth_token") loOauth1.TokenSecret = loJson.StringOf("oauth_token_secret") loOauth1.SignatureMethod = "HMAC-SHA1" loOauth1.GenNonce(16) loRest.SetAuthOAuth1(loOauth1,0) lnBAutoReconnect = 1 lnSuccess = loRest.Connect("api.twitter.com",443,1,lnBAutoReconnect) IF (lnSuccess <> 1) THEN ? loRest.LastErrorText RELEASE loJson RELEASE loRest RELEASE loOauth1 CANCEL ENDIF * This ends the initial setup... * ---------------------------------------------------------------------- * This Twitter user has about 77.5K followers.. loRest.AddQueryParam("screen_name","MarcusMiller959") * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.JsonObject') loJsonResponse = CreateObject('Chilkat.JsonObject') loJsonResponse.EmitCompact = 0 * Get the 1st page of results using a cursor of "-1". * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.StringBuilder') loSbNextCursor = CreateObject('Chilkat.StringBuilder') loSbNextCursor.SetString("-1") lnPageNum = 1 lnCaseSensitive = 0 lnBContinue = 1 * Get a maximum of 5 pages (of 5000 ids each). DO WHILE lnBContinue = 1 IF (loSbNextCursor.ContentsEqual("0",lnCaseSensitive) = 1) THEN * This will cause the loop to exit.. lnBContinue = 0 ELSE * Adds or replaces the query param. loRest.AddQueryParam("cursor",loSbNextCursor.GetAsString()) * Get the next page of follower IDs lcResp = loRest.FullRequestNoBody("GET","/1.1/followers/ids.json") IF (loRest.LastMethodSuccess <> 1) THEN ? loRest.LastErrorText RELEASE loJson RELEASE loRest RELEASE loOauth1 RELEASE loJsonResponse RELEASE loSbNextCursor CANCEL ENDIF loJsonResponse.Load(lcResp) IF (loRest.ResponseStatusCode <> 200) THEN ? loJsonResponse.Emit() RELEASE loJson RELEASE loRest RELEASE loOauth1 RELEASE loJsonResponse RELEASE loSbNextCursor CANCEL ENDIF * Show the number of IDs returned in this lnNumIds = loJsonResponse.SizeOfArray("ids") ? "Page " + STR(lnPageNum) + ", Number of Ids: " + STR(lnNumIds) * Show the 1st 10 ids in this page. i = 0 DO WHILE i < lnNumIds loJsonResponse.I = i ? " " + STR(i) + ": " + loJsonResponse.StringOf("ids[i]") i = i + 1 IF (i > 10) THEN * Force the loop to exit. i = lnNumIds ENDIF ENDDO lnPageNum = lnPageNum + 1 IF (lnPageNum > 5) THEN lnBContinue = 0 ELSE loSbNextCursor.SetString(loJsonResponse.StringOf("next_cursor_str")) ENDIF ENDIF ENDDO * 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 * RELEASE loJson RELEASE loRest RELEASE loOauth1 RELEASE loJsonResponse RELEASE loSbNextCursor |
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