feat: support group now (close #17, close #72, close #85, close #104, close #136)

Co-authored-by: quzard <1191890118@qq.com>

model/ability.go

@@ -0,0 +1,72 @@
+package model
+
+import (
+	"one-api/common"
+	"strings"
+)
+
+type Ability struct {
+	Group     string `json:"group" gorm:"type:varchar(32);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" gorm:"default:1"`
+}
+
+func GetRandomSatisfiedChannel(group string, model string) (*Channel, error) {
+	if group == "default" {
+		return GetRandomChannel()
+	}
+	ability := Ability{}
+	var err error = nil
+	if common.UsingSQLite {
+		err = DB.Where("`group` = ? and model = ? and enabled = 1", group, model).Order("RANDOM()").Limit(1).First(&ability).Error
+	} else {
+		err = DB.Where("`group` = ? and model = ? and enabled = 1", group, model).Order("RAND()").Limit(1).First(&ability).Error
+	}
+	if err != nil {
+		return nil, err
+	}
+	channel := Channel{}
+	err = DB.First(&channel, "id = ?", ability.ChannelId).Error
+	return &channel, err
+}
+
+func (channel *Channel) AddAbilities() error {
+	models_ := strings.Split(channel.Models, ",")
+	abilities := make([]Ability, 0, len(models_))
+	for _, model := range models_ {
+		ability := Ability{
+			Group:     channel.Group,
+			Model:     model,
+			ChannelId: channel.Id,
+			Enabled:   channel.Status == common.ChannelStatusEnabled,
+		}
+		abilities = append(abilities, ability)
+	}
+	return DB.Create(&abilities).Error
+}
+
+func (channel *Channel) DeleteAbilities() error {
+	return DB.Where("channel_id = ?", channel.Id).Delete(&Ability{}).Error
+}
+
+// UpdateAbilities updates abilities of this channel.
+// Make sure the channel is completed before calling this function.
+func (channel *Channel) UpdateAbilities() error {
+	// A quick and dirty way to update abilities
+	// First delete all abilities of this channel
+	err := channel.DeleteAbilities()
+	if err != nil {
+		return err
+	}
+	// Then add new abilities
+	err = channel.AddAbilities()
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func UpdateAbilityStatus(channelId int, status bool) error {
+	return DB.Model(&Ability{}).Where("channel_id = ?", channelId).Update("enabled", status).Error
+}

model/channel.go

@@ -1,7 +1,6 @@
 package model
 
 import (
-	_ "gorm.io/driver/sqlite"
 	"one-api/common"
 )
 
@@ -19,6 +18,8 @@ type Channel struct {
 	Other              string  `json:"other"`
 	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'"`
 }
 
 func GetAllChannels(startIdx int, num int, selectAll bool) ([]*Channel, error) {
@@ -49,13 +50,12 @@ func GetChannelById(id int, selectAll bool) (*Channel, error) {
 }
 
 func GetRandomChannel() (*Channel, error) {
-	// TODO: consider weight
 	channel := Channel{}
 	var err error = nil
 	if common.UsingSQLite {
-		err = DB.Where("status = ?", common.ChannelStatusEnabled).Order("RANDOM()").Limit(1).First(&channel).Error
+		err = DB.Where("status = ? and `group` = ?", common.ChannelStatusEnabled, "default").Order("RANDOM()").Limit(1).First(&channel).Error
 	} else {
-		err = DB.Where("status = ?", common.ChannelStatusEnabled).Order("RAND()").Limit(1).First(&channel).Error
+		err = DB.Where("status = ? and `group` = ?", common.ChannelStatusEnabled, "default").Order("RAND()").Limit(1).First(&channel).Error
 	}
 	return &channel, err
 }
@@ -63,18 +63,35 @@ func GetRandomChannel() (*Channel, error) {
 func BatchInsertChannels(channels []Channel) error {
 	var err error
 	err = DB.Create(&channels).Error
-	return err
+	if err != nil {
+		return err
+	}
+	for _, channel_ := range channels {
+		err = channel_.AddAbilities()
+		if err != nil {
+			return err
+		}
+	}
+	return nil
 }
 
 func (channel *Channel) Insert() error {
 	var err error
 	err = DB.Create(channel).Error
+	if err != nil {
+		return err
+	}
+	err = channel.AddAbilities()
 	return err
 }
 
 func (channel *Channel) Update() error {
 	var err error
 	err = DB.Model(channel).Updates(channel).Error
+	if err != nil {
+		return err
+	}
+	err = channel.UpdateAbilities()
 	return err
 }
 
@@ -101,11 +118,19 @@ func (channel *Channel) UpdateBalance(balance float64) {
 func (channel *Channel) Delete() error {
 	var err error
 	err = DB.Delete(channel).Error
+	if err != nil {
+		return err
+	}
+	err = channel.DeleteAbilities()
 	return err
 }
 
 func UpdateChannelStatusById(id int, status int) {
-	err := DB.Model(&Channel{}).Where("id = ?", id).Update("status", status).Error
+	err := UpdateAbilityStatus(id, status == common.ChannelStatusEnabled)
+	if err != nil {
+		common.SysError("failed to update ability status: " + err.Error())
+	}
+	err = DB.Model(&Channel{}).Where("id = ?", id).Update("status", status).Error
 	if err != nil {
 		common.SysError("failed to update channel status: " + err.Error())
 	}

model/main.go

@@ -75,6 +75,10 @@ func InitDB() (err error) {
 		if err != nil {
 			return err
 		}
+		err = db.AutoMigrate(&Ability{})
+		if err != nil {
+			return err
+		}
 		err = createRootAccountIfNeed()
 		return err
 	} else {

model/redemption.go

@@ -2,7 +2,6 @@ package model
 
 import (
 	"errors"
-	_ "gorm.io/driver/sqlite"
 	"one-api/common"
 )
 

model/token.go

@@ -3,7 +3,6 @@ package model
 import (
 	"errors"
 	"fmt"
-	_ "gorm.io/driver/sqlite"
 	"gorm.io/gorm"
 	"one-api/common"
 )

model/user.go

@@ -22,6 +22,7 @@ type User struct {
 	VerificationCode string `json:"verification_code" gorm:"-:all"`                                    // this field is only for Email verification, don't save it to database!
 	AccessToken      string `json:"access_token" gorm:"type:char(32);column:access_token;uniqueIndex"` // this token is for system management
 	Quota            int    `json:"quota" gorm:"type:int;default:0"`
+	Group            string `json:"group" gorm:"type:varchar(32);default:'default'"`
 }
 
 func GetMaxUserId() int {
@@ -229,6 +230,11 @@ func GetUserEmail(id int) (email string, err error) {
 	return email, err
 }
 
+func GetUserGroup(id int) (group string, err error) {
+	err = DB.Model(&User{}).Where("id = ?", id).Select("`group`").Find(&group).Error
+	return group, err
+}
+
 func IncreaseUserQuota(id int, quota int) (err error) {
 	if quota < 0 {
 		return errors.New("quota 不能为负数！")