支持设置模型按次计费

model/ability.go

@@ -6,7 +6,7 @@ import (
 )
 
 type Ability struct {
-	Group     string `json:"group" gorm:"type:varchar(32);primaryKey;autoIncrement:false"`
+	Group     string `json:"group" gorm:"type:varchar(255);primaryKey;autoIncrement:false"`
 	Model     string `json:"model" gorm:"primaryKey;autoIncrement:false"`
 	ChannelId int    `json:"channel_id" gorm:"primaryKey;autoIncrement:false;index"`
 	Enabled   bool   `json:"enabled"`

model/channel.go

@@ -21,7 +21,7 @@ type Channel struct {
 	Balance            float64 `json:"balance"` // in USD
 	BalanceUpdatedTime int64   `json:"balance_updated_time" gorm:"bigint"`
 	Models             string  `json:"models"`
-	Group              string  `json:"group" gorm:"type:varchar(32);default:'default'"`
+	Group              string  `json:"group" gorm:"type:varchar(255);default:'default'"`
 	UsedQuota          int64   `json:"used_quota" gorm:"bigint;default:0"`
 	ModelMapping       *string `json:"model_mapping" gorm:"type:varchar(1024);default:''"`
 	Priority           *int64  `json:"priority" gorm:"bigint;default:0"`

model/option.go

@@ -70,6 +70,7 @@ func InitOptionMap() {
 	common.OptionMap["QuotaRemindThreshold"] = strconv.Itoa(common.QuotaRemindThreshold)
 	common.OptionMap["PreConsumedQuota"] = strconv.Itoa(common.PreConsumedQuota)
 	common.OptionMap["ModelRatio"] = common.ModelRatio2JSONString()
+	common.OptionMap["ModelPrice"] = common.ModelPrice2JSONString()
 	common.OptionMap["GroupRatio"] = common.GroupRatio2JSONString()
 	common.OptionMap["TopUpLink"] = common.TopUpLink
 	common.OptionMap["ChatLink"] = common.ChatLink
@@ -220,6 +221,8 @@ func updateOptionMap(key string, value string) (err error) {
 		err = common.UpdateModelRatioByJSONString(value)
 	case "GroupRatio":
 		err = common.UpdateGroupRatioByJSONString(value)
+	case "ModelPrice":
+		err = common.UpdateModelPriceByJSONString(value)
 	case "TopUpLink":
 		common.TopUpLink = value
 	case "ChatLink":