Add moderation support (#24)

Adding support for the new Moderations api https://beta.openai.com/docs/guides/moderation

Fixes https://github.com/TheoKanning/openai-java/issues/20

README.md

@@ -12,12 +12,13 @@ as well as an example project using the client.
 - [Engines](https://beta.openai.com/docs/api-reference/engines)
 - [Completions](https://beta.openai.com/docs/api-reference/completions)
 - [Edits](https://beta.openai.com/docs/api-reference/edits)
+- [Embeddings](https://beta.openai.com/docs/api-reference/embeddings)
 - [Searches](https://beta.openai.com/docs/api-reference/searches)
 - [Classifications](https://beta.openai.com/docs/api-reference/classifications)
 - [Answers](https://beta.openai.com/docs/api-reference/answers)
 - [Files](https://beta.openai.com/docs/api-reference/files)
 - [Fine-tunes](https://beta.openai.com/docs/api-reference/fine-tunes)
-- [Embeddings](https://beta.openai.com/docs/api-reference/embeddings)
+- [Moderations](https://beta.openai.com/docs/api-reference/moderations)
 
 ## Usage
 

api/build.gradle

@@ -2,6 +2,7 @@ apply plugin: 'java-library'
 apply plugin: "com.vanniktech.maven.publish"
 
 dependencies {
+    implementation 'com.fasterxml.jackson.core:jackson-annotations:2.9.0'
     compileOnly 'org.projectlombok:lombok:1.18.12'
     annotationProcessor 'org.projectlombok:lombok:1.18.12'
 }

api/src/main/java/com/theokanning/openai/moderation/Moderation.java

@@ -0,0 +1,30 @@
+package com.theokanning.openai.moderation;
+
+import lombok.Data;
+
+/**
+ * An object containing the moderation data for a single input string
+ *
+ * https://beta.openai.com/docs/api-reference/moderations/create
+ */
+@Data
+public class Moderation {
+    /**
+     * Set to true if the model classifies the content as violating OpenAI's content policy, false otherwise
+     */
+    boolean flagged;
+
+    /**
+     * Object containing per-category binary content policy violation flags.
+     * For each category, the value is true if the model flags the corresponding category as violated, false otherwise.
+     */
+    ModerationCategories categories;
+
+    /**
+     * Object containing per-category raw scores output by the model, denoting the model's confidence that the
+     * input violates the OpenAI's policy for the category.
+     * The value is between 0 and 1, where higher values denote higher confidence.
+     * The scores should not be interpreted as probabilities.
+     */
+    ModerationCategoryScores categoryScores;
+}

api/src/main/java/com/theokanning/openai/moderation/ModerationCategories.java

@@ -0,0 +1,34 @@
+package com.theokanning.openai.moderation;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.theokanning.openai.completion.CompletionChoice;
+import lombok.Data;
+
+import java.util.List;
+
+/**
+ * An object containing the flags for each moderation category
+ *
+ * https://beta.openai.com/docs/api-reference/moderations/create
+ */
+@Data
+public class ModerationCategories {
+
+    boolean hate;
+
+    @JsonProperty("hate/threatening")
+    boolean hateThreatening;
+
+    @JsonProperty("self-harm")
+    boolean selfHarm;
+
+    boolean sexual;
+
+    @JsonProperty("sexual/minors")
+    boolean sexualMinors;
+
+    boolean violence;
+
+    @JsonProperty("violence/graphic")
+    boolean violenceGraphic;
+}

api/src/main/java/com/theokanning/openai/moderation/ModerationCategoryScores.java

@@ -0,0 +1,31 @@
+package com.theokanning.openai.moderation;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+/**
+ * An object containing the scores for each moderation category
+ *
+ * https://beta.openai.com/docs/api-reference/moderations/create
+ */
+@Data
+public class ModerationCategoryScores {
+
+    double hate;
+
+    @JsonProperty("hate/threatening")
+    double hateThreatening;
+
+    @JsonProperty("self-harm")
+    double selfHarm;
+
+    double sexual;
+
+    @JsonProperty("sexual/minors")
+    double sexualMinors;
+
+    double violence;
+
+    @JsonProperty("violence/graphic")
+    double violenceGraphic;
+}

api/src/main/java/com/theokanning/openai/moderation/ModerationRequest.java

@@ -0,0 +1,28 @@
+package com.theokanning.openai.moderation;
+
+import lombok.*;
+
+import java.util.List;
+
+/**
+ * A request for OpenAi to detect if text violates OpenAi's content policy.
+ *
+ * https://beta.openai.com/docs/api-reference/moderations/create
+ */
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+@Data
+public class ModerationRequest {
+
+    /**
+     * The input text to classify.
+     */
+    @NonNull
+    String input;
+
+    /**
+     * The name of the model to use, defaults to text-moderation-stable.
+     */
+    String model;
+}

api/src/main/java/com/theokanning/openai/moderation/ModerationResult.java

@@ -0,0 +1,28 @@
+package com.theokanning.openai.moderation;
+
+import lombok.Data;
+
+import java.util.List;
+
+/**
+ * An object containing a response from the moderation api
+ *
+ * https://beta.openai.com/docs/api-reference/moderations/create
+ */
+@Data
+public class ModerationResult {
+    /**
+     * A unique id assigned to this moderation.
+     */
+    String id;
+
+    /**
+     * The GPT-3 model used.
+     */
+    String model;
+
+    /**
+     * A list of moderation scores.
+     */
+    List<Moderation> results;
+}

client/src/main/java/com/theokanning/openai/OpenAiApi.java

@@ -15,6 +15,8 @@ import com.theokanning.openai.file.File;
 import com.theokanning.openai.finetune.FineTuneEvent;
 import com.theokanning.openai.finetune.FineTuneRequest;
 import com.theokanning.openai.finetune.FineTuneResult;
+import com.theokanning.openai.moderation.ModerationRequest;
+import com.theokanning.openai.moderation.ModerationResult;
 import com.theokanning.openai.search.SearchRequest;
 import com.theokanning.openai.search.SearchResult;
 import io.reactivex.Single;
@@ -36,6 +38,9 @@ public interface OpenAiApi {
     @POST("/v1/engines/{engine_id}/edits")
     Single<EditResult> createEdit(@Path("engine_id") String engineId, @Body EditRequest request);
 
+    @POST("/v1/engines/{engine_id}/embeddings")
+    Single<EmbeddingResult> createEmbeddings(@Path("engine_id") String engineId, @Body EmbeddingRequest request);
+
     @POST("/v1/engines/{engine_id}/search")
     Single<OpenAiResponse<SearchResult>> search(@Path("engine_id") String engineId, @Body SearchRequest request);
 
@@ -79,8 +84,6 @@ public interface OpenAiApi {
     @DELETE("/v1/models/{fine_tune_id}")
     Single<DeleteResult> deleteFineTune(@Path("fine_tune_id") String fineTuneId);
 
-    @POST("/v1/engines/{engine_id}/embeddings")
-    Single<EmbeddingResult> createEmbeddings(@Path("engine_id") String engineId, @Body EmbeddingRequest request);
-
-
+    @POST("/v1/moderations")
+    Single<ModerationResult> createModeration(@Body ModerationRequest request);
 }

client/src/main/java/com/theokanning/openai/OpenAiService.java

@@ -19,6 +19,8 @@ import com.theokanning.openai.file.File;
 import com.theokanning.openai.finetune.FineTuneEvent;
 import com.theokanning.openai.finetune.FineTuneRequest;
 import com.theokanning.openai.finetune.FineTuneResult;
+import com.theokanning.openai.moderation.ModerationRequest;
+import com.theokanning.openai.moderation.ModerationResult;
 import com.theokanning.openai.search.SearchRequest;
 import com.theokanning.openai.search.SearchResult;
 import okhttp3.*;
@@ -92,6 +94,10 @@ public class OpenAiService {
         return api.createEdit(engineId, request).blockingGet();
     }
 
+    public EmbeddingResult createEmbeddings(String engineId, EmbeddingRequest request) {
+        return api.createEmbeddings(engineId, request).blockingGet();
+    }
+
     public List<SearchResult> search(String engineId, SearchRequest request) {
         return api.search(engineId, request).blockingGet().data;
     }
@@ -153,7 +159,7 @@ public class OpenAiService {
         return api.deleteFineTune(fineTuneId).blockingGet();
     }
 
-    public EmbeddingResult createEmbeddings(String engineId, EmbeddingRequest request) {
-        return api.createEmbeddings(engineId, request).blockingGet();
+    public ModerationResult createModeration(ModerationRequest request) {
+        return api.createModeration(request).blockingGet();
     }
 }

client/src/test/java/com/theokanning/openai/ModerationTest.java

@@ -0,0 +1,26 @@
+package com.theokanning.openai;
+
+import com.theokanning.openai.moderation.ModerationRequest;
+import com.theokanning.openai.moderation.Moderation;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+
+public class ModerationTest {
+
+    String token = System.getenv("OPENAI_TOKEN");
+    OpenAiService service = new OpenAiService(token);
+
+    @Test
+    void createModeration() {
+        ModerationRequest moderationRequest = ModerationRequest.builder()
+                .input("I want to kill them")
+                .model("text-moderation-latest")
+                .build();
+
+        Moderation moderationScore = service.createModeration(moderationRequest).getResults().get(0);
+
+        assertTrue(moderationScore.isFlagged());
+    }
+}