feat: add resetContexts

Author: spoeck

android/src/main/java/de/innfactory/apiai/RNApiAiModule.java

@@ -9,6 +9,7 @@
 import com.facebook.react.bridge.ReactMethod;
 import com.google.gson.Gson;
 import com.google.gson.reflect.TypeToken;
+import com.facebook.react.bridge.Promise;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -19,6 +20,7 @@
 import ai.api.android.AIConfiguration;
 import ai.api.android.AIDataService;
 import ai.api.android.AIService;
+import ai.api.android.SessionIdStorage;
 import ai.api.model.AIError;
 import ai.api.model.AIRequest;
 import ai.api.model.AIResponse;
@@ -69,6 +71,8 @@ public class RNApiAiModule extends ReactContextBaseJavaModule implements AIListe
     private Callback onListeningFinishedCallback;
     private Callback onAudioLevelCallback;
 
+    private String accessToken;
+
 
     public RNApiAiModule(ReactApplicationContext reactContext) {
         super(reactContext);
@@ -82,25 +86,28 @@ public String getName() {
 
     @ReactMethod
     public void setConfiguration(String clientAccessToken, String languageTag) {
+        this.accessToken = clientAccessToken;
         config = new AIConfiguration(clientAccessToken, AIConfiguration.SupportedLanguages.fromLanguageTag(languageTag), AIConfiguration.RecognitionEngine.System);
     }
 
     @ReactMethod
     public void setContextsAsJson(String contextsAsJson) {
-        Gson gson= new Gson();
-        contexts = gson.fromJson(contextsAsJson, new TypeToken<List<Entity>>(){}.getType());
+        Gson gson = new Gson();
+        contexts = gson.fromJson(contextsAsJson, new TypeToken<List<Entity>>() {
+        }.getType());
     }
 
 
     @ReactMethod
     public void setEntitiesAsJson(String userEntitiesAsJson) throws AIServiceException {
-        Gson gson= new Gson();
-        entities = gson.fromJson(userEntitiesAsJson, new TypeToken<List<Entity>>(){}.getType());
+        Gson gson = new Gson();
+        entities = gson.fromJson(userEntitiesAsJson, new TypeToken<List<Entity>>() {
+        }.getType());
     }
 
 
     @ReactMethod
-    public void startListening(Callback onResult, Callback onError){//, Callback onListeningStarted, Callback onListeningCanceled,  Callback onListeningFinished,  Callback onAudioLevel) {
+    public void startListening(Callback onResult, Callback onError) {//, Callback onListeningStarted, Callback onListeningCanceled,  Callback onListeningFinished,  Callback onAudioLevel) {
 
         onResultCallback = onResult;
         onErrorCallback = onError;
@@ -135,9 +142,9 @@ public void stopListening() {
 
             public void run() {
 
-               if (aiService != null) {
-                   aiService.stopListening();
-               }
+                if (aiService != null) {
+                    aiService.stopListening();
+                }
             }
         });
     }
@@ -157,7 +164,6 @@ public void run() {
     }
 
 
-
     @Override
     public void onResult(AIResponse response) {
 
@@ -267,7 +273,6 @@ public void requestQuery(String query, Callback onResult, Callback onError) {
         aiRequest.setQuery(query);
 
 
-
         new AsyncTask<AIRequest, Void, AIResponse>() {
             @Override
             protected AIResponse doInBackground(AIRequest... requests) {
@@ -290,7 +295,7 @@ protected AIResponse doInBackground(AIRequest... requests) {
 
                     return response;
                 } catch (AIServiceException e) {
-                    Gson gson= new Gson();
+                    Gson gson = new Gson();
                     try {
                         onErrorCallback.invoke(gson.toJson(e));
                     } catch (Exception e1) {
@@ -299,6 +304,7 @@ protected AIResponse doInBackground(AIRequest... requests) {
                 }
                 return null;
             }
+
             @Override
             protected void onPostExecute(AIResponse aiResponse) {
                 if (aiResponse != null) {
@@ -308,6 +314,16 @@ protected void onPostExecute(AIResponse aiResponse) {
         }.execute(aiRequest);
     }
 
+    @ReactMethod
+    public void getAccessToken(Promise promise) {
+        promise.resolve(accessToken);
+    }
+
+    @ReactMethod
+    public void getSessionId(Promise promise) {
+        promise.resolve(SessionIdStorage.getSessionId(getReactApplicationContext()));
+    }
+
     @Override
     public Map<String, Object> getConstants() {
         final Map<String, Object> constants = new HashMap<>();

index.android.js

@@ -1,13 +1,21 @@
 'use strict';
 
 import { NativeModules } from 'react-native';
+import ResetContextsRequest from './js/ResetContextsRequest';
 
 let ApiAi = NativeModules.ApiAi;
 
 ApiAi.setContexts = (contexts) => {
     ApiAi.setContextsAsJson(JSON.stringify(contexts))
 };
 
+ApiAi.resetContexts = async (onResult: ()=>{}, onError: ()=>{}) => {
+    const accessToken = await ApiAi.getAccessToken();
+    const sessionId = await ApiAi.getSessionId();
+    let request = new ResetContextsRequest(accessToken, sessionId, null);
+    request.perform().then(res=>onResult(res)).catch(err=>onError(err));
+};
+
 ApiAi.setEntities = (entities) => {
     ApiAi.setEntitiesAsJson(JSON.stringify(entities))
 };

index.ios.js

@@ -1,6 +1,7 @@
 
 import { NativeModules, NativeAppEventEmitter } from 'react-native';
 import {ApiAiClient} from 'api-ai-javascript';
+import ResetContextsRequest from './js/ResetContextsRequest';
 
 var SpeechToText = NativeModules.RNSpeechToTextIos;
 
@@ -55,6 +56,11 @@ class ApiAi {
         this.contexts = contexts;
     }
 
+    resetContexts(onResult: ()=>{}, onError: ()=>{}) {
+        let request = new ResetContextsRequest(this.client.getAccessToken(), this.client.getSessionId(), null);
+        request.perform().then(res=>onResult(res)).catch(err=>onError(err));
+    };
+
     setEntities(entities) {
         this.entities = entities;
     }

js/ResetContextsRequest.js

@@ -0,0 +1,47 @@
+/**
+ * Created by toni on 30.08.2017.
+ */
+import { ApiAiRequestError } from "api-ai-javascript/es6/Errors";
+import XhrRequest from 'api-ai-javascript/es6/XhrRequest';
+import {ApiAiConstants} from 'api-ai-javascript';
+
+class ResetContextsRequest {
+    constructor(accessToken, sessionId, contextName) {
+
+        if (contextName != null) {
+            this.uri = ApiAiConstants.DEFAULT_BASE_URL + "contexts/" + contextName + "?sessionId=" + sessionId;
+        } else {
+            this.uri = ApiAiConstants.DEFAULT_BASE_URL + "contexts?sessionId=" + sessionId;
+        }
+
+        this.headers = {
+            Authorization: "Bearer " + accessToken,
+            Accept: "application/json",
+        };
+    }
+    static handleSuccess(xhr) {
+        return Promise.resolve(JSON.parse(xhr.responseText));
+    }
+    static handleError(xhr) {
+        let error = new ApiAiRequestError(null);
+        try {
+            const serverResponse = JSON.parse(xhr.responseText);
+            if (serverResponse.status && serverResponse.status.errorDetails) {
+                error = new ApiAiRequestError(serverResponse.status.errorDetails, serverResponse.status.code);
+            }
+            else {
+                error = new ApiAiRequestError(xhr.statusText, xhr.status);
+            }
+        }
+        catch (e) {
+            error = new ApiAiRequestError(xhr.statusText, xhr.status);
+        }
+        return Promise.reject(error);
+    }
+    perform() {
+        return XhrRequest.delete(this.uri, null, this.headers, {})
+            .then(ResetContextsRequest.handleSuccess.bind(this))
+            .catch(ResetContextsRequest.handleError.bind(this));
+    }
+}
+export default ResetContextsRequest;