lookergetprojectfile.go•5.14 kB
// Copyright 2025 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package lookergetprojectfile
import (
"context"
"fmt"
yaml "github.com/goccy/go-yaml"
"github.com/googleapis/genai-toolbox/internal/sources"
lookersrc "github.com/googleapis/genai-toolbox/internal/sources/looker"
"github.com/googleapis/genai-toolbox/internal/tools"
"github.com/googleapis/genai-toolbox/internal/tools/looker/lookercommon"
"github.com/googleapis/genai-toolbox/internal/util"
"github.com/looker-open-source/sdk-codegen/go/rtl"
v4 "github.com/looker-open-source/sdk-codegen/go/sdk/v4"
)
const kind string = "looker-get-project-file"
func init() {
if !tools.Register(kind, newConfig) {
panic(fmt.Sprintf("tool kind %q already registered", kind))
}
}
func newConfig(ctx context.Context, name string, decoder *yaml.Decoder) (tools.ToolConfig, error) {
actual := Config{Name: name}
if err := decoder.DecodeContext(ctx, &actual); err != nil {
return nil, err
}
return actual, nil
}
type Config struct {
Name string `yaml:"name" validate:"required"`
Kind string `yaml:"kind" validate:"required"`
Source string `yaml:"source" validate:"required"`
Description string `yaml:"description" validate:"required"`
AuthRequired []string `yaml:"authRequired"`
}
// validate interface
var _ tools.ToolConfig = Config{}
func (cfg Config) ToolConfigKind() string {
return kind
}
func (cfg Config) Initialize(srcs map[string]sources.Source) (tools.Tool, error) {
// verify source exists
rawS, ok := srcs[cfg.Source]
if !ok {
return nil, fmt.Errorf("no source named %q configured", cfg.Source)
}
// verify the source is compatible
s, ok := rawS.(*lookersrc.Source)
if !ok {
return nil, fmt.Errorf("invalid source for %q tool: source kind must be `looker`", kind)
}
projectIdParameter := tools.NewStringParameter("project_id", "The id of the project containing the files")
filePathParameter := tools.NewStringParameter("file_path", "The path of the file within the project")
parameters := tools.Parameters{projectIdParameter, filePathParameter}
mcpManifest := tools.GetMcpManifest(cfg.Name, cfg.Description, cfg.AuthRequired, parameters)
// finish tool setup
return Tool{
Name: cfg.Name,
Kind: kind,
Parameters: parameters,
AuthRequired: cfg.AuthRequired,
UseClientOAuth: s.UseClientOAuth,
Client: s.Client,
ApiSettings: s.ApiSettings,
manifest: tools.Manifest{
Description: cfg.Description,
Parameters: parameters.Manifest(),
AuthRequired: cfg.AuthRequired,
},
mcpManifest: mcpManifest,
}, nil
}
// validate interface
var _ tools.Tool = Tool{}
type Tool struct {
Name string `yaml:"name"`
Kind string `yaml:"kind"`
UseClientOAuth bool
Client *v4.LookerSDK
ApiSettings *rtl.ApiSettings
AuthRequired []string `yaml:"authRequired"`
Parameters tools.Parameters `yaml:"parameters"`
manifest tools.Manifest
mcpManifest tools.McpManifest
}
func (t Tool) Invoke(ctx context.Context, params tools.ParamValues, accessToken tools.AccessToken) (any, error) {
logger, err := util.LoggerFromContext(ctx)
if err != nil {
return nil, fmt.Errorf("unable to get logger from ctx: %s", err)
}
sdk, err := lookercommon.GetLookerSDK(t.UseClientOAuth, t.ApiSettings, t.Client, accessToken)
if err != nil {
return nil, fmt.Errorf("error getting sdk: %w", err)
}
mapParams := params.AsMap()
projectId, ok := mapParams["project_id"].(string)
if !ok {
return nil, fmt.Errorf("'project_id' must be a string, got %T", mapParams["project_id"])
}
filePath, ok := mapParams["file_path"].(string)
if !ok {
return nil, fmt.Errorf("'file_path' must be a string, got %T", mapParams["file_path"])
}
resp, err := lookercommon.GetProjectFileContent(sdk, projectId, filePath, t.ApiSettings)
if err != nil {
return nil, fmt.Errorf("error making get_project_file request: %s", err)
}
logger.DebugContext(ctx, "Got response of %v\n", resp)
data := make(map[string]any)
data["type"] = "text"
data["text"] = resp
return data, nil
}
func (t Tool) ParseParams(data map[string]any, claims map[string]map[string]any) (tools.ParamValues, error) {
return tools.ParseParams(t.Parameters, data, claims)
}
func (t Tool) Manifest() tools.Manifest {
return t.manifest
}
func (t Tool) McpManifest() tools.McpManifest {
return t.mcpManifest
}
func (t Tool) Authorized(verifiedAuthServices []string) bool {
return tools.IsAuthorized(t.AuthRequired, verifiedAuthServices)
}
func (t Tool) RequiresClientAuthorization() bool {
return t.UseClientOAuth
}