feat: provide vector store (#772)

* implement vectore store feature

* fix after integration testing

* fix golint error

* improve test to increare code coverage

* fix golint anc code coverage problem

* add tool_resource in assistant response

* chore: code style

* feat: use pagination param

* feat: use pagination param

* test: use pagination param

* test: rm unused code

---------

Co-authored-by: Denny Depok <61371551+kodernubie@users.noreply.github.com>
Co-authored-by: eric.p <eric.p>

assistant.go

@@ -14,16 +14,17 @@ const (
 )
 
 type Assistant struct {
-	ID           string          `json:"id"`
-	Object       string          `json:"object"`
-	CreatedAt    int64           `json:"created_at"`
-	Name         *string         `json:"name,omitempty"`
-	Description  *string         `json:"description,omitempty"`
-	Model        string          `json:"model"`
-	Instructions *string         `json:"instructions,omitempty"`
-	Tools        []AssistantTool `json:"tools"`
-	FileIDs      []string        `json:"file_ids,omitempty"`
-	Metadata     map[string]any  `json:"metadata,omitempty"`
+	ID            string                 `json:"id"`
+	Object        string                 `json:"object"`
+	CreatedAt     int64                  `json:"created_at"`
+	Name          *string                `json:"name,omitempty"`
+	Description   *string                `json:"description,omitempty"`
+	Model         string                 `json:"model"`
+	Instructions  *string                `json:"instructions,omitempty"`
+	Tools         []AssistantTool        `json:"tools"`
+	FileIDs       []string               `json:"file_ids,omitempty"`
+	Metadata      map[string]any         `json:"metadata,omitempty"`
+	ToolResources *AssistantToolResource `json:"tool_resources,omitempty"`
 
 	httpHeader
 }
@@ -34,26 +35,41 @@ const (
 	AssistantToolTypeCodeInterpreter AssistantToolType = "code_interpreter"
 	AssistantToolTypeRetrieval       AssistantToolType = "retrieval"
 	AssistantToolTypeFunction        AssistantToolType = "function"
+	AssistantToolTypeFileSearch      AssistantToolType = "file_search"
 )
 
 type AssistantTool struct {
 	Type     AssistantToolType   `json:"type"`
 	Function *FunctionDefinition `json:"function,omitempty"`
 }
 
+type AssistantToolFileSearch struct {
+	VectorStoreIDs []string `json:"vector_store_ids"`
+}
+
+type AssistantToolCodeInterpreter struct {
+	FileIDs []string `json:"file_ids"`
+}
+
+type AssistantToolResource struct {
+	FileSearch      *AssistantToolFileSearch      `json:"file_search,omitempty"`
+	CodeInterpreter *AssistantToolCodeInterpreter `json:"code_interpreter,omitempty"`
+}
+
 // AssistantRequest provides the assistant request parameters.
 // When modifying the tools the API functions as the following:
 // If Tools is undefined, no changes are made to the Assistant's tools.
 // If Tools is empty slice it will effectively delete all of the Assistant's tools.
 // If Tools is populated, it will replace all of the existing Assistant's tools with the provided tools.
 type AssistantRequest struct {
-	Model        string          `json:"model"`
-	Name         *string         `json:"name,omitempty"`
-	Description  *string         `json:"description,omitempty"`
-	Instructions *string         `json:"instructions,omitempty"`
-	Tools        []AssistantTool `json:"-"`
-	FileIDs      []string        `json:"file_ids,omitempty"`
-	Metadata     map[string]any  `json:"metadata,omitempty"`
+	Model         string                 `json:"model"`
+	Name          *string                `json:"name,omitempty"`
+	Description   *string                `json:"description,omitempty"`
+	Instructions  *string                `json:"instructions,omitempty"`
+	Tools         []AssistantTool        `json:"-"`
+	FileIDs       []string               `json:"file_ids,omitempty"`
+	Metadata      map[string]any         `json:"metadata,omitempty"`
+	ToolResources *AssistantToolResource `json:"tool_resources,omitempty"`
 }
 
 // MarshalJSON provides a custom marshaller for the assistant request to handle the API use cases

config.go

@@ -24,7 +24,7 @@ const (
 
 const AzureAPIKeyHeader = "api-key"
 
-const defaultAssistantVersion = "v1" // This will be deprecated by the end of 2024.
+const defaultAssistantVersion = "v2" // upgrade to v2 to support vector store
 
 // ClientConfig is a configuration of a client.
 type ClientConfig struct {