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package model
import (
"encoding/json"
"errors"
"fmt"
"math/rand"
"one-api/common"
"strconv"
"strings"
"sync"
"time"
)
var (
TokenCacheSeconds = common.SyncFrequency
UserId2GroupCacheSeconds = common.SyncFrequency
UserId2QuotaCacheSeconds = common.SyncFrequency
UserId2StatusCacheSeconds = common.SyncFrequency
)
func CacheGetTokenByKey(key string) (*Token, error) {
var token Token
if !common.RedisEnabled {
err := DB.Where("`key` = ?", key).First(&token).Error
return &token, err
}
tokenObjectString, err := common.RedisGet(fmt.Sprintf("token:%s", key))
if err != nil {
err := DB.Where("`key` = ?", key).First(&token).Error
if err != nil {
return nil, err
}
jsonBytes, err := json.Marshal(token)
if err != nil {
return nil, err
}
err = common.RedisSet(fmt.Sprintf("token:%s", key), string(jsonBytes), time.Duration(TokenCacheSeconds)*time.Second)
if err != nil {
common.SysError("Redis set token error: " + err.Error())
}
return &token, nil
}
err = json.Unmarshal([]byte(tokenObjectString), &token)
return &token, err
}
func CacheGetUserGroup(id int) (group string, err error) {
if !common.RedisEnabled {
return GetUserGroup(id)
}
group, err = common.RedisGet(fmt.Sprintf("user_group:%d", id))
if err != nil {
group, err = GetUserGroup(id)
if err != nil {
return "", err
}
err = common.RedisSet(fmt.Sprintf("user_group:%d", id), group, time.Duration(UserId2GroupCacheSeconds)*time.Second)
if err != nil {
common.SysError("Redis set user group error: " + err.Error())
}
}
return group, err
}
func CacheGetUserQuota(id int) (quota int, err error) {
if !common.RedisEnabled {
return GetUserQuota(id)
}
quotaString, err := common.RedisGet(fmt.Sprintf("user_quota:%d", id))
if err != nil {
quota, err = GetUserQuota(id)
if err != nil {
return 0, err
}
err = common.RedisSet(fmt.Sprintf("user_quota:%d", id), fmt.Sprintf("%d", quota), time.Duration(UserId2QuotaCacheSeconds)*time.Second)
if err != nil {
common.SysError("Redis set user quota error: " + err.Error())
}
return quota, err
}
quota, err = strconv.Atoi(quotaString)
return quota, err
}
func CacheUpdateUserQuota(id int) error {
if !common.RedisEnabled {
return nil
}
quota, err := GetUserQuota(id)
if err != nil {
return err
}
err = common.RedisSet(fmt.Sprintf("user_quota:%d", id), fmt.Sprintf("%d", quota), time.Duration(UserId2QuotaCacheSeconds)*time.Second)
return err
}
func CacheDecreaseUserQuota(id int, quota int) error {
if !common.RedisEnabled {
return nil
}
err := common.RedisDecrease(fmt.Sprintf("user_quota:%d", id), int64(quota))
return err
}
func CacheIsUserEnabled(userId int) bool {
if !common.RedisEnabled {
return IsUserEnabled(userId)
}
enabled, err := common.RedisGet(fmt.Sprintf("user_enabled:%d", userId))
if err != nil {
status := common.UserStatusDisabled
if IsUserEnabled(userId) {
status = common.UserStatusEnabled
}
enabled = fmt.Sprintf("%d", status)
err = common.RedisSet(fmt.Sprintf("user_enabled:%d", userId), enabled, time.Duration(UserId2StatusCacheSeconds)*time.Second)
if err != nil {
common.SysError("Redis set user enabled error: " + err.Error())
}
}
return enabled == "1"
}
var group2model2channels map[string]map[string][]*Channel
var channelSyncLock sync.RWMutex
func InitChannelCache() {
newChannelId2channel := make(map[int]*Channel)
var channels []*Channel
DB.Where("status = ?", common.ChannelStatusEnabled).Find(&channels)
for _, channel := range channels {
newChannelId2channel[channel.Id] = channel
}
var abilities []*Ability
DB.Find(&abilities)
groups := make(map[string]bool)
for _, ability := range abilities {
groups[ability.Group] = true
}
newGroup2model2channels := make(map[string]map[string][]*Channel)
for group := range groups {
newGroup2model2channels[group] = make(map[string][]*Channel)
}
for _, channel := range channels {
groups := strings.Split(channel.Group, ",")
for _, group := range groups {
models := strings.Split(channel.Models, ",")
for _, model := range models {
if _, ok := newGroup2model2channels[group][model]; !ok {
newGroup2model2channels[group][model] = make([]*Channel, 0)
}
newGroup2model2channels[group][model] = append(newGroup2model2channels[group][model], channel)
}
}
}
channelSyncLock.Lock()
group2model2channels = newGroup2model2channels
channelSyncLock.Unlock()
common.SysLog("channels synced from database")
}
func SyncChannelCache(frequency int) {
for {
time.Sleep(time.Duration(frequency) * time.Second)
common.SysLog("syncing channels from database")
InitChannelCache()
}
}
func CacheGetRandomSatisfiedChannel(group string, model string) (*Channel, error) {
if !common.RedisEnabled {
return GetRandomSatisfiedChannel(group, model)
}
channelSyncLock.RLock()
defer channelSyncLock.RUnlock()
channels := group2model2channels[group][model]
if len(channels) == 0 {
return nil, errors.New("channel not found")
}
idx := rand.Intn(len(channels))
return channels[idx], nil
}
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