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Facebook clean up for Inbox hand off
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ChatGPT/src/main/java/cloud/cleo/squareup/FaceBookOperations.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| package cloud.cleo.squareup; | ||
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| import com.fasterxml.jackson.databind.ObjectMapper; | ||
| import java.net.HttpURLConnection; | ||
| import java.net.MalformedURLException; | ||
| import java.net.URL; | ||
| import lombok.NonNull; | ||
| import org.apache.logging.log4j.LogManager; | ||
| import org.apache.logging.log4j.Logger; | ||
|
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| /** | ||
| * Perform various Facebook operations. Used when Channel is FB. | ||
| * | ||
| * @author sjensen | ||
| */ | ||
| public class FaceBookOperations { | ||
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| // Initialize the Log4j logger. | ||
| private static final Logger log = LogManager.getLogger(FaceBookOperations.class); | ||
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| private final static ObjectMapper mapper = new ObjectMapper(); | ||
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| /** | ||
| * Transfer control of Messenger Thread Session from Bot control to the Inbox. Used when end user needs to deal with | ||
| * a real person to resolve issue the Bot can't handle. | ||
| * https://developers.facebook.com/docs/messenger-platform/handover-protocol/conversation-control | ||
| * | ||
| * @param id | ||
| */ | ||
| public static void transferToInbox(String id) { | ||
| try { | ||
| HttpURLConnection connection = (HttpURLConnection) getFaceBookURL(System.getenv("FB_PAGE_ID"), "pass_thread_control").openConnection(); | ||
| connection.setRequestMethod("POST"); | ||
| connection.setRequestProperty("Content-Type", "application/json; utf-8"); | ||
| connection.setRequestProperty("Accept", "application/json"); | ||
| connection.setDoOutput(true); | ||
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| // Construct the payload | ||
| var json = mapper.createObjectNode(); | ||
| // Special Target for Inbox | ||
| json.put("target_app_id", "263902037430900"); | ||
| json.putObject("recipient").put("id", id); | ||
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| log.debug("Post Payload for thread control " + json.toPrettyString()); | ||
| mapper.writeValue(connection.getOutputStream(), json); | ||
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| int responseCode = connection.getResponseCode(); | ||
| log.debug("Facebook Call Response Code: " + responseCode); | ||
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| final var result = mapper.readTree(connection.getInputStream()); | ||
| log.debug("FB Pass Thread Control result is " + result.toPrettyString()); | ||
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| if (result.findValue("success") != null && result.findValue("success").asBoolean() == true) { | ||
| log.debug("Call Succeeded in passing thread control"); | ||
| } else { | ||
| log.debug("Call FAILED to pass thread control"); | ||
| } | ||
|
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| } catch (Exception e) { | ||
| log.error("Facebook Pass Thread Control error", e); | ||
| } | ||
| } | ||
|
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| /** | ||
| * Given a Facebook user Page Scoped ID get the users full name | ||
| * | ||
| * @param id | ||
| * @return | ||
| */ | ||
| public static String getFacebookName(String id) { | ||
| try { | ||
| HttpURLConnection connection = (HttpURLConnection) getFaceBookURL(id, null).openConnection(); | ||
| connection.setRequestMethod("GET"); | ||
| connection.setRequestProperty("Accept", "application/json"); | ||
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| int responseCode = connection.getResponseCode(); | ||
| log.debug("Facebook Call Response Code: " + responseCode); | ||
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| final var result = mapper.readTree(connection.getInputStream()); | ||
| log.debug("FB Graph Query result is " + result.toPrettyString()); | ||
|
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| // Check for name first | ||
| if (result.findValue("name") != null) { | ||
| return result.findValue("name").asText(); | ||
| } | ||
|
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| // Usually returns first and last | ||
| if (result.findValue("first_name") != null && result.findValue("last_name") != null) { | ||
| return result.findValue("first_name").asText() + " " + result.findValue("last_name").asText(); | ||
| } | ||
|
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| } catch (Exception e) { | ||
| log.error("Facebook user name retrieval error", e); | ||
| } | ||
|
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| return "Unknown"; | ||
| } | ||
|
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| /** | ||
| * Get the base URL for Facebook Graph Operations with page access token incorporated. | ||
| * | ||
| * @param id | ||
| * @param operation | ||
| * @return | ||
| * @throws MalformedURLException | ||
| */ | ||
| private static URL getFaceBookURL(@NonNull String id, String operation) throws MalformedURLException { | ||
| StringBuilder sb = new StringBuilder("https://graph.facebook.com/"); | ||
|
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| // Version of API we are calling | ||
| sb.append("v18.0/"); | ||
|
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| // ID for the entity we are using (Page ID, or Page scoped User ID) | ||
| sb.append(id); | ||
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| // Optional operation | ||
| if (operation != null) { | ||
| sb.append('/').append(operation); | ||
| } | ||
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| sb.append("?access_token=").append(System.getenv("FB_PAGE_ACCESS_TOKEN")); | ||
|
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| return new URL(sb.toString()); | ||
| } | ||
| } |
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