feat: add pricing page

model/pricing.go

@@ -0,0 +1,72 @@
+package model
+
+import (
+	"one-api/common"
+	"one-api/dto"
+	"sync"
+	"time"
+)
+
+var (
+	pricingMap         []dto.ModelPricing
+	lastGetPricingTime time.Time
+	updatePricingLock  sync.Mutex
+)
+
+func GetPricing(user *User, openAIModels []dto.OpenAIModels) []dto.ModelPricing {
+	updatePricingLock.Lock()
+	defer updatePricingLock.Unlock()
+
+	if time.Since(lastGetPricingTime) > time.Minute*1 || len(pricingMap) == 0 {
+		updatePricing(openAIModels)
+	}
+	if user != nil {
+		userPricingMap := make([]dto.ModelPricing, 0)
+		models := GetGroupModels(user.Group)
+		for _, pricing := range pricingMap {
+			if !common.StringsContains(models, pricing.ModelName) {
+				pricing.Available = false
+			}
+			userPricingMap = append(userPricingMap, pricing)
+		}
+		return userPricingMap
+	}
+	return pricingMap
+}
+
+func updatePricing(openAIModels []dto.OpenAIModels) {
+	modelRatios := common.GetModelRatios()
+	enabledModels := GetEnabledModels()
+	allModels := make(map[string]string)
+	for _, openAIModel := range openAIModels {
+		if common.StringsContains(enabledModels, openAIModel.Id) {
+			allModels[openAIModel.Id] = openAIModel.OwnedBy
+		}
+	}
+	for model, _ := range modelRatios {
+		if common.StringsContains(enabledModels, model) {
+			if _, ok := allModels[model]; !ok {
+				allModels[model] = "custom"
+			}
+		}
+	}
+	pricingMap = make([]dto.ModelPricing, 0)
+	for model, ownerBy := range allModels {
+		pricing := dto.ModelPricing{
+			Available: true,
+			ModelName: model,
+			OwnerBy:   ownerBy,
+		}
+		modelPrice, findPrice := common.GetModelPrice(model, false)
+		if findPrice {
+			pricing.ModelPrice = modelPrice
+			pricing.QuotaType = 1
+		} else {
+			pricing.ModelRatio = common.GetModelRatio(model)
+			pricing.CompletionRatio = common.GetCompletionRatio(model)
+			pricing.QuotaType = 0
+		}
+		pricingMap = append(pricingMap, pricing)
+	}
+	lastGetPricingTime = time.Now()
+}