add moderations endpoint

src/main/kotlin/com/cjcrafter/openai/OpenAI.kt

@@ -10,6 +10,7 @@ import com.cjcrafter.openai.completions.CompletionResponseChunk
 import com.cjcrafter.openai.embeddings.EmbeddingsRequest
 import com.cjcrafter.openai.embeddings.EmbeddingsResponse
 import com.cjcrafter.openai.files.*
+import com.cjcrafter.openai.moderations.ModerationHandler
 import com.cjcrafter.openai.threads.ThreadHandler
 import com.cjcrafter.openai.threads.message.TextAnnotation
 import com.cjcrafter.openai.util.OpenAIDslMarker
@@ -135,6 +136,19 @@ interface OpenAI {
     @Contract(pure = true)
     fun files(): FileHandler = files
 
+    /**
+     * Returns the handler for the moderations endpoint. This handler can be used
+     * to create moderations.
+     */
+    val moderations: ModerationHandler
+
+    /**
+     * Returns the handler for the moderations endpoint. This method is purely
+     * syntactic sugar for Java users.
+     */
+    @Contract(pure = true)
+    fun moderations(): ModerationHandler = moderations
+
     /**
      * Returns the handler for the assistants endpoint. This handler can be used
      * to create, retrieve, and delete assistants.

src/main/kotlin/com/cjcrafter/openai/OpenAIImpl.kt

@@ -9,6 +9,8 @@ import com.cjcrafter.openai.completions.CompletionResponseChunk
 import com.cjcrafter.openai.embeddings.EmbeddingsRequest
 import com.cjcrafter.openai.embeddings.EmbeddingsResponse
 import com.cjcrafter.openai.files.*
+import com.cjcrafter.openai.moderations.ModerationHandler
+import com.cjcrafter.openai.moderations.ModerationHandlerImpl
 import com.cjcrafter.openai.threads.ThreadHandler
 import com.cjcrafter.openai.threads.ThreadHandlerImpl
 import com.fasterxml.jackson.databind.JavaType
@@ -127,23 +129,28 @@ open class OpenAIImpl @ApiStatus.Internal constructor(
         return requestHelper.executeRequest(httpRequest, EmbeddingsResponse::class.java)
     }
 
-    private var files0: FileHandlerImpl? = null
-    override val files: FileHandler
-        get() = files0 ?: FileHandlerImpl(requestHelper, FILES_ENDPOINT).also { files0 = it }
+    override val files: FileHandler by lazy {
+        FileHandlerImpl(requestHelper, FILES_ENDPOINT)
+    }
 
-    private var assistants0: AssistantHandlerImpl? = null
-    override val assistants: AssistantHandler
-        get() = assistants0 ?: AssistantHandlerImpl(requestHelper, ASSISTANTS_ENDPOINT).also { assistants0 = it }
+    override val moderations: ModerationHandler by lazy {
+        ModerationHandlerImpl(requestHelper, MODERATIONS_ENDPOINT)
+    }
 
-    private var threads0: ThreadHandlerImpl? = null
-    override val threads: ThreadHandler
-        get() = threads0 ?: ThreadHandlerImpl(requestHelper, THREADS_ENDPOINT).also { threads0 = it }
+    override val assistants: AssistantHandler by lazy {
+        AssistantHandlerImpl(requestHelper, ASSISTANTS_ENDPOINT)
+    }
+
+    override val threads: ThreadHandler by lazy {
+        ThreadHandlerImpl(requestHelper, THREADS_ENDPOINT)
+    }
 
     companion object {
         const val COMPLETIONS_ENDPOINT = "v1/completions"
         const val CHAT_ENDPOINT = "v1/chat/completions"
         const val EMBEDDINGS_ENDPOINT = "v1/embeddings"
         const val FILES_ENDPOINT = "v1/files"
+        const val MODERATIONS_ENDPOINT = "v1/moderations"
         const val ASSISTANTS_ENDPOINT = "v1/assistants"
         const val THREADS_ENDPOINT = "v1/threads"
     }

src/main/kotlin/com/cjcrafter/openai/moderations/CreateModerationRequest.kt

@@ -0,0 +1,60 @@
+package com.cjcrafter.openai.moderations
+
+import com.cjcrafter.openai.util.OpenAIDslMarker
+
+/**
+ * Represents a request to create a new moderation request.
+ *
+ * @property input The input to moderate
+ * @property model The model to use for moderation
+ */
+data class CreateModerationRequest internal constructor(
+    var input: Any,
+    var model: String? = null
+) {
+
+    @OpenAIDslMarker
+    class Builder internal constructor() {
+        private var input: Any? = null
+        private var model: String? = null
+
+        /**
+         * Sets the input to moderate.
+         *
+         * @param input The input to moderate
+         */
+        fun input(input: String) = apply { this.input = input }
+
+        /**
+         * Sets the input to moderate.
+         *
+         * @param input The input to moderate
+         */
+        fun input(input: List<String>) = apply { this.input = input }
+
+        /**
+         * Sets the model to use for moderation.
+         *
+         * @param model The model to use for moderation
+         */
+        fun model(model: String) = apply { this.model = model }
+
+        /**
+         * Builds the [CreateModerationRequest] instance.
+         */
+        fun build(): CreateModerationRequest {
+            return CreateModerationRequest(
+                input = input ?: throw IllegalStateException("input must be defined to use CreateModerationRequest"),
+                model = model
+            )
+        }
+    }
+
+    companion object {
+        /**
+         * Returns a builder to construct a [CreateModerationRequest] instance.
+         */
+        @JvmStatic
+        fun builder() = Builder()
+    }
+}

src/main/kotlin/com/cjcrafter/openai/moderations/Moderation.kt

@@ -0,0 +1,31 @@
+package com.cjcrafter.openai.moderations
+
+import com.fasterxml.jackson.annotation.JsonProperty
+
+/**
+ * A moderation object returned by the moderations api.
+ *
+ * @property id The id of the moderation request. Always starts with "modr-".
+ * @property model The model which was used to moderate the content.
+ * @property results The results of the moderation request.
+ * @constructor Create empty Moderation
+ */
+data class Moderation(
+    @JsonProperty(required = true) val id: String,
+    @JsonProperty(required = true) val model: String,
+    @JsonProperty(required = true) val results: Results,
+) {
+    /**
+     * The results of the moderation request.
+     *
+     * @property flagged If any categories were flagged.
+     * @property categories The categories that were flagged.
+     * @property categoryScores The scores of each category.
+     * @constructor Create empty Results
+     */
+    data class Results(
+        @JsonProperty(required = true) val flagged: Boolean,
+        @JsonProperty(required = true) val categories: Map<String, Boolean>,
+        @JsonProperty("category_scores", required = true) val categoryScores: Map<String, Double>,
+    )
+}

src/main/kotlin/com/cjcrafter/openai/moderations/ModerationHandler.kt

@@ -0,0 +1,15 @@
+package com.cjcrafter.openai.moderations
+
+/**
+ * Handler used to interact with [Moderation] objects.
+ */
+interface ModerationHandler {
+
+    /**
+     * Creates a new moderation request with the given options.
+     *
+     * @param request The values of the moderation to create
+     * @return The created moderation
+     */
+    fun create(request: CreateModerationRequest): Moderation
+}

src/main/kotlin/com/cjcrafter/openai/moderations/ModerationHandlerImpl.kt

@@ -0,0 +1,13 @@
+package com.cjcrafter.openai.moderations
+
+import com.cjcrafter.openai.RequestHelper
+
+class ModerationHandlerImpl(
+    private val requestHelper: RequestHelper,
+    private val endpoint: String,
+): ModerationHandler {
+    override fun create(request: CreateModerationRequest): Moderation {
+        val httpRequest = requestHelper.buildRequest(request, endpoint).build()
+        return requestHelper.executeRequest(httpRequest, Moderation::class.java)
+    }
+}

src/test/kotlin/com/cjcrafter/openai/chat/MockedChatStreamTest.kt

@@ -2,6 +2,9 @@ package com.cjcrafter.openai.chat
 
 import com.cjcrafter.openai.MockedTest
 import com.cjcrafter.openai.chat.ChatMessage.Companion.toSystemMessage
+import com.cjcrafter.openai.chat.tool.FunctionToolCall
+import com.cjcrafter.openai.chat.tool.Tool
+import com.cjcrafter.openai.chat.tool.ToolCall
 import okhttp3.mockwebserver.MockResponse
 import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.Test
@@ -46,9 +49,9 @@ class MockedChatStreamTest : MockedTest() {
 
         // Assertions
         assertEquals(ChatUser.ASSISTANT, toolMessage.role, "Tool call should be from the assistant")
-        assertEquals(ToolType.FUNCTION, toolMessage.toolCalls?.get(0)?.type, "Tool call should be a function")
-        assertEquals("solve_math_problem", toolMessage.toolCalls?.get(0)?.function?.name)
-        assertEquals("3/2", toolMessage.toolCalls?.get(0)?.function?.tryParseArguments()?.get("equation")?.asText())
+        assertEquals(Tool.Type.FUNCTION, toolMessage.toolCalls?.get(0)?.type, "Tool call should be a function")
+        assertEquals("solve_math_problem", (toolMessage.toolCalls?.get(0) as? FunctionToolCall)?.function?.name)
+        assertEquals("3/2", (toolMessage.toolCalls?.get(0) as? FunctionToolCall)?.function?.tryParseArguments()?.get("equation")?.asText())
 
         assertEquals(ChatUser.ASSISTANT, message.role, "Message should be from the assistant")
         assertEquals("The result of 3 divided by 2 is 1.5.", message.content)

src/test/kotlin/com/cjcrafter/openai/chat/tool/FunctionCallTest.kt

@@ -19,7 +19,7 @@ class FunctionCallTest {
                 name("enum_checker")
                 description("This function is used to test the enum parameter")
                 addEnumParameter("enum", mutableListOf("a", "b", "c"))
-            }.toTool()
+            }
         )
         @Language("json")
         val json = "{\"name\": \"enum_checker\", \"arguments\": \"{\\\"enum\\\": \\\"d\\\"}\"}" // d is not a valid enum
@@ -37,7 +37,7 @@ class FunctionCallTest {
                 name("enum_checker")
                 description("This function is used to test the enum parameter")
                 addEnumParameter("enum", mutableListOf("a", "b", "c"))
-            }.toTool()
+            }
         )
         @Language("json")
         val json = "{\"name\": \"enum_checker\", \"arguments\": \"{\\\"enum\\\": \\\"a\\\"}\"}" // a is a valid enum
@@ -55,7 +55,7 @@ class FunctionCallTest {
                 name("integer_checker")
                 description("This function is used to test the integer parameter")
                 addIntegerParameter("integer", "test parameter")
-            }.toTool()
+            }
         )
         @Language("json")
         val json = "{\"name\": \"integer_checker\", \"arguments\": \"{\\\"integer\\\": \\\"not an integer\\\"}\"}" // not an integer
@@ -73,7 +73,7 @@ class FunctionCallTest {
                 name("integer_checker")
                 description("This function is used to test the integer parameter")
                 addIntegerParameter("integer", "test parameter")
-            }.toTool()
+            }
         )
         @Language("json")
         val json = "{\"name\": \"integer_checker\", \"arguments\": \"{\\\"integer\\\": 1}\"}" // 1 is an integer
@@ -91,7 +91,7 @@ class FunctionCallTest {
                 name("boolean_checker")
                 description("This function is used to test the boolean parameter")
                 addBooleanParameter("is_true", "test parameter")
-            }.toTool()
+            }
         )
         @Language("json")
         val json = "{\"name\": \"boolean_checker\", \"arguments\": \"{\\\"boolean\\\": \\\"not a boolean\\\"}\"}" // not a boolean
@@ -109,7 +109,7 @@ class FunctionCallTest {
                 name("boolean_checker")
                 description("This function is used to test the boolean parameter")
                 addBooleanParameter("is_true", "test parameter")
-            }.toTool()
+            }
         )
         @Language("json")
         val json = "{\"name\": \"boolean_checker\", \"arguments\": \"{\\\"is_true\\\": true}\"}" // true is a boolean
@@ -128,7 +128,7 @@ class FunctionCallTest {
                 description("This function is used to test the required parameter")
                 addIntegerParameter("required", "test parameter", required = true)
                 addBooleanParameter("not_required", "test parameter")
-            }.toTool()
+            }
         )
         @Language("json")
         val json = "{\"name\": \"required_parameter_function\", \"arguments\": \"{\\\"not_required\\\": true}\"}" // missing required parameter
@@ -147,7 +147,7 @@ class FunctionCallTest {
                 description("This function is used to test the required parameter")
                 addIntegerParameter("required", "test parameter", required = true)
                 addBooleanParameter("not_required", "test parameter")
-            }.toTool()
+            }
         )
         @Language("json")
         val json = "{\"name\": \"required_parameter_function\", \"arguments\": \"{\\\"required\\\": 1, \\\"not_required\\\": true}\"}" // has required parameter
@@ -165,7 +165,7 @@ class FunctionCallTest {
                 name("function_name_checker")
                 description("This function is used to test the function name")
                 noParameters()
-            }.toTool()
+            }
         )
         @Language("json")
         val json = "{\"name\": \"invalid_function_name\", \"arguments\": \"{}\"}" // invalid function name