chore: move web search tool price to operation_setting

setting/operation_setting/tools.go

@@ -0,0 +1,50 @@
+package operation_setting
+
+import "strings"
+
+const (
+	WebSearchHighTierModelPriceLow    = 30.00
+	WebSearchHighTierModelPriceMedium = 35.00
+	WebSearchHighTierModelPriceHigh   = 50.00
+	WebSearchPriceLow                 = 25.00
+	WebSearchPriceMedium              = 27.50
+	WebSearchPriceHigh                = 30.00
+)
+
+func GetWebSearchPricePerThousand(modelName string, contextSize string) float64 {
+	// 确定模型类型
+	// https://platform.openai.com/docs/pricing Web search 价格按模型类型和 search context size 收费
+	// gpt-4.1, gpt-4o, or gpt-4o-search-preview 更贵，gpt-4.1-mini, gpt-4o-mini, gpt-4o-mini-search-preview 更便宜
+	isHighTierModel := (strings.HasPrefix(modelName, "gpt-4.1") || strings.HasPrefix(modelName, "gpt-4o")) &&
+		!strings.Contains(modelName, "mini")
+	// 确定 search context size 对应的价格
+	var priceWebSearchPerThousandCalls float64
+	switch contextSize {
+	case "low":
+		if isHighTierModel {
+			priceWebSearchPerThousandCalls = WebSearchHighTierModelPriceLow
+		} else {
+			priceWebSearchPerThousandCalls = WebSearchPriceLow
+		}
+	case "medium":
+		if isHighTierModel {
+			priceWebSearchPerThousandCalls = WebSearchHighTierModelPriceMedium
+		} else {
+			priceWebSearchPerThousandCalls = WebSearchPriceMedium
+		}
+	case "high":
+		if isHighTierModel {
+			priceWebSearchPerThousandCalls = WebSearchHighTierModelPriceHigh
+		} else {
+			priceWebSearchPerThousandCalls = WebSearchPriceHigh
+		}
+	default:
+		// search context size 默认为 medium
+		if isHighTierModel {
+			priceWebSearchPerThousandCalls = WebSearchHighTierModelPriceMedium
+		} else {
+			priceWebSearchPerThousandCalls = WebSearchPriceMedium
+		}
+	}
+	return priceWebSearchPerThousandCalls
+}