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136 lines
4.1 KiB
Go
136 lines
4.1 KiB
Go
/*
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* Copyright 2025 CloudWeGo Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package main
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import (
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"context"
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"fmt"
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"github.com/cloudwego/eino/components/tool"
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"github.com/cloudwego/eino/components/tool/utils"
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)
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type GetWeatherInput struct {
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Location string `json:"location" jsonschema:"description=The city and state, e.g. San Francisco, CA"`
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Unit string `json:"unit,omitempty" jsonschema:"enum=celsius,enum=fahrenheit,description=The unit of temperature"`
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}
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type GetWeatherOutput struct {
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Temperature float64 `json:"temperature"`
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Unit string `json:"unit"`
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Condition string `json:"condition"`
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}
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type GetForecastInput struct {
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Location string `json:"location" jsonschema:"description=The city and state"`
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Days int `json:"days" jsonschema:"description=Number of days to forecast (1-10)"`
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}
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type GetForecastOutput struct {
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Forecasts []DayForecast `json:"forecasts"`
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}
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type DayForecast struct {
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Day string `json:"day"`
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Temperature float64 `json:"temperature"`
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Condition string `json:"condition"`
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}
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type GetStockPriceInput struct {
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Ticker string `json:"ticker" jsonschema:"description=Stock ticker symbol (e.g., AAPL, GOOGL)"`
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IncludeHistory bool `json:"include_history,omitempty" jsonschema:"description=Include historical data"`
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}
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type GetStockPriceOutput struct {
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Ticker string `json:"ticker"`
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Price float64 `json:"price"`
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Change float64 `json:"change"`
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}
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type ConvertCurrencyInput struct {
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Amount float64 `json:"amount" jsonschema:"description=Amount to convert"`
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FromCurrency string `json:"from_currency" jsonschema:"description=Source currency code (e.g., USD)"`
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ToCurrency string `json:"to_currency" jsonschema:"description=Target currency code (e.g., EUR)"`
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}
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type ConvertCurrencyOutput struct {
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OriginalAmount float64 `json:"original_amount"`
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ConvertedAmount float64 `json:"converted_amount"`
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ExchangeRate float64 `json:"exchange_rate"`
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}
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func createWeatherTools() []tool.BaseTool {
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getWeather, _ := utils.InferTool(
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"get_weather",
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"Get the current weather in a given location",
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func(ctx context.Context, input *GetWeatherInput) (*GetWeatherOutput, error) {
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return &GetWeatherOutput{
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Temperature: 22.5,
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Unit: input.Unit,
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Condition: "Sunny",
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}, nil
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},
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)
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getForecast, _ := utils.InferTool(
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"get_forecast",
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"Get the weather forecast for multiple days ahead",
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func(ctx context.Context, input *GetForecastInput) (*GetForecastOutput, error) {
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forecasts := make([]DayForecast, input.Days)
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for i := 0; i < input.Days; i++ {
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forecasts[i] = DayForecast{
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Day: fmt.Sprintf("Day %d", i+1),
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Temperature: 20.0 + float64(i),
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Condition: "Partly Cloudy",
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}
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}
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return &GetForecastOutput{Forecasts: forecasts}, nil
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},
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)
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return []tool.BaseTool{getWeather, getForecast}
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}
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func createFinanceTools() []tool.BaseTool {
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getStockPrice, _ := utils.InferTool(
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"get_stock_price",
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"Get the current stock price and market data for a given ticker symbol",
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func(ctx context.Context, input *GetStockPriceInput) (*GetStockPriceOutput, error) {
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return &GetStockPriceOutput{
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Ticker: input.Ticker,
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Price: 150.25,
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Change: 2.5,
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}, nil
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},
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)
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convertCurrency, _ := utils.InferTool(
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"convert_currency",
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"Convert an amount from one currency to another using current exchange rates",
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func(ctx context.Context, input *ConvertCurrencyInput) (*ConvertCurrencyOutput, error) {
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rate := 0.85
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return &ConvertCurrencyOutput{
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OriginalAmount: input.Amount,
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ConvertedAmount: input.Amount * rate,
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ExchangeRate: rate,
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}, nil
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},
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)
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return []tool.BaseTool{getStockPrice, convertCurrency}
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}
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