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  1. package model
  2. import (
  3. "fmt"
  4. "strconv"
  5. "strings"
  6. "sync"
  7. "github.com/QuantumNous/new-api/common"
  8. "github.com/QuantumNous/new-api/setting/ratio_setting"
  9. "gorm.io/gorm"
  10. "gorm.io/gorm/clause"
  11. )
  12. // 渠道定价缓存
  13. var (
  14. channelPricingCache = make(map[string]*ChannelPricing) // key: "modelName:channelId"
  15. channelPricingCacheLock sync.RWMutex
  16. )
  17. // QuotaType 计费类型
  18. const (
  19. QuotaTypeByTokens = 0 // 按量计费
  20. QuotaTypeByCall = 1 // 按次计费
  21. )
  22. // ChannelPricing 渠道定价表
  23. // 支持同一模型在不同渠道设置不同价格
  24. type ChannelPricing struct {
  25. Id int `json:"id" gorm:"primaryKey"`
  26. ModelName string `json:"model_name" gorm:"size:128;not null;uniqueIndex:idx_model_channel,priority:1"`
  27. ChannelId int `json:"channel_id" gorm:"not null;uniqueIndex:idx_model_channel,priority:2;index"`
  28. QuotaType int `json:"quota_type" gorm:"default:0"` // 0=按量, 1=按次
  29. ModelRatio float64 `json:"model_ratio" gorm:"default:0"`
  30. CompletionRatio float64 `json:"completion_ratio" gorm:"default:0"`
  31. ModelPrice float64 `json:"model_price" gorm:"default:0"`
  32. TagIds string `json:"tag_ids" gorm:"type:varchar(255)"` // 逗号分隔的标签ID
  33. CreatedTime int64 `json:"created_time" gorm:"bigint"`
  34. UpdatedTime int64 `json:"updated_time" gorm:"bigint"`
  35. DeletedAt gorm.DeletedAt `json:"-" gorm:"index"`
  36. // === 新增字段(0 = 未设置,回退全局值) ===
  37. CacheRatio float64 `json:"cache_ratio" gorm:"default:0"`
  38. CacheCreationRatio float64 `json:"cache_creation_ratio" gorm:"default:0"`
  39. ImageRatio float64 `json:"image_ratio" gorm:"default:0"`
  40. AudioRatio float64 `json:"audio_ratio" gorm:"default:0"`
  41. AudioCompletionRatio float64 `json:"audio_completion_ratio" gorm:"default:0"`
  42. }
  43. func (cp *ChannelPricing) Insert() error {
  44. now := common.GetTimestamp()
  45. cp.CreatedTime = now
  46. cp.UpdatedTime = now
  47. err := DB.Create(cp).Error
  48. if err == nil {
  49. key := getChannelPricingCacheKey(cp.ModelName, cp.ChannelId)
  50. channelPricingCacheLock.Lock()
  51. channelPricingCache[key] = cp
  52. channelPricingCacheLock.Unlock()
  53. }
  54. return err
  55. }
  56. func (cp *ChannelPricing) Update() error {
  57. cp.UpdatedTime = common.GetTimestamp()
  58. err := DB.Model(&ChannelPricing{}).Where("id = ?", cp.Id).
  59. Select("quota_type", "model_ratio", "completion_ratio", "model_price",
  60. "tag_ids", "cache_ratio", "cache_creation_ratio", "image_ratio",
  61. "audio_ratio", "audio_completion_ratio", "updated_time").
  62. Updates(cp).Error
  63. if err == nil {
  64. key := getChannelPricingCacheKey(cp.ModelName, cp.ChannelId)
  65. channelPricingCacheLock.Lock()
  66. channelPricingCache[key] = cp
  67. channelPricingCacheLock.Unlock()
  68. }
  69. return err
  70. }
  71. func (cp *ChannelPricing) Delete() error {
  72. var existing ChannelPricing
  73. if err := DB.First(&existing, cp.Id).Error; err != nil {
  74. return err
  75. }
  76. err := DB.Delete(cp).Error
  77. if err == nil {
  78. key := getChannelPricingCacheKey(existing.ModelName, existing.ChannelId)
  79. channelPricingCacheLock.Lock()
  80. delete(channelPricingCache, key)
  81. channelPricingCacheLock.Unlock()
  82. }
  83. return err
  84. }
  85. // GetChannelPricing 获取指定模型在指定渠道的定价
  86. func GetChannelPricing(modelName string, channelId int) (*ChannelPricing, error) {
  87. var cp ChannelPricing
  88. err := DB.Where("model_name = ? AND channel_id = ?", modelName, channelId).First(&cp).Error
  89. if err != nil {
  90. return nil, err
  91. }
  92. return &cp, nil
  93. }
  94. // GetChannelPricingByModel 获取指定模型的所有渠道定价
  95. func GetChannelPricingByModel(modelName string) ([]*ChannelPricing, error) {
  96. var list []*ChannelPricing
  97. err := DB.Where("model_name = ?", modelName).Find(&list).Error
  98. return list, err
  99. }
  100. // GetAllChannelPricing 获取所有渠道定价(分页)
  101. func GetAllChannelPricing(offset int, limit int) ([]*ChannelPricing, int64, error) {
  102. var list []*ChannelPricing
  103. var total int64
  104. if err := DB.Model(&ChannelPricing{}).Count(&total).Error; err != nil {
  105. return nil, 0, err
  106. }
  107. err := DB.Order("id DESC").Offset(offset).Limit(limit).Find(&list).Error
  108. return list, total, err
  109. }
  110. // BatchUpsertChannelPricing 批量创建或更新渠道定价
  111. func BatchUpsertChannelPricing(pricings []*ChannelPricing) error {
  112. if len(pricings) == 0 {
  113. return nil
  114. }
  115. now := common.GetTimestamp()
  116. for _, cp := range pricings {
  117. cp.UpdatedTime = now
  118. // 仅在 CreatedTime 为空时设置(新记录)
  119. if cp.CreatedTime == 0 {
  120. cp.CreatedTime = now
  121. }
  122. }
  123. // 使用 GORM 的 OnConflict 实现 upsert
  124. // 唯一索引为 idx_model_channel (model_name, channel_id)
  125. return DB.Clauses(clause.OnConflict{
  126. Columns: []clause.Column{
  127. {Name: "model_name"},
  128. {Name: "channel_id"},
  129. },
  130. DoUpdates: clause.AssignmentColumns([]string{
  131. "quota_type",
  132. "model_ratio",
  133. "completion_ratio",
  134. "model_price",
  135. "tag_ids",
  136. "cache_ratio",
  137. "cache_creation_ratio",
  138. "image_ratio",
  139. "audio_ratio",
  140. "audio_completion_ratio",
  141. "updated_time",
  142. }),
  143. }).Create(&pricings).Error
  144. }
  145. // getChannelPricingCacheKey 生成缓存键
  146. func getChannelPricingCacheKey(modelName string, channelId int) string {
  147. return fmt.Sprintf("%s:%d", modelName, channelId)
  148. }
  149. // GetEffectivePricing 获取有效定价(纯内存查找)
  150. func GetEffectivePricing(modelName string, channelId int) (*ChannelPricing, bool) {
  151. key := getChannelPricingCacheKey(modelName, channelId)
  152. channelPricingCacheLock.RLock()
  153. cp, ok := channelPricingCache[key]
  154. channelPricingCacheLock.RUnlock()
  155. if !ok {
  156. return nil, false
  157. }
  158. return cp, true
  159. }
  160. // ParseTagIds 解析逗号分隔的标签ID字符串为 PricingTag 切片
  161. func ParseTagIds(tagIds string, tagMap map[int]*PricingTag) []*PricingTag {
  162. if tagIds == "" {
  163. return nil
  164. }
  165. tags := make([]*PricingTag, 0)
  166. for _, idStr := range strings.Split(tagIds, ",") {
  167. if id, err := strconv.Atoi(strings.TrimSpace(idStr)); err == nil {
  168. if tag, ok := tagMap[id]; ok {
  169. tags = append(tags, tag)
  170. }
  171. }
  172. }
  173. return tags
  174. }
  175. // LoadChannelPricingCache 全量加载渠道定价到内存(启动时调用)
  176. func LoadChannelPricingCache() {
  177. var pricings []*ChannelPricing
  178. if err := DB.Find(&pricings).Error; err != nil {
  179. common.SysError("[ChannelPricing] LoadChannelPricingCache failed: " + err.Error())
  180. return
  181. }
  182. channelPricingCacheLock.Lock()
  183. channelPricingCache = make(map[string]*ChannelPricing, len(pricings))
  184. for _, cp := range pricings {
  185. key := getChannelPricingCacheKey(cp.ModelName, cp.ChannelId)
  186. channelPricingCache[key] = cp
  187. }
  188. channelPricingCacheLock.Unlock()
  189. common.SysLog(fmt.Sprintf("[ChannelPricing] cache loaded %d records", len(pricings)))
  190. }
  191. // ChannelPricingWithChannel 带渠道信息的定价响应
  192. type ChannelPricingWithChannel struct {
  193. Id int `json:"id"`
  194. ChannelId int `json:"channel_id"`
  195. ChannelName string `json:"channel_name"`
  196. ChannelType int `json:"channel_type"`
  197. TagIds string `json:"tag_ids" gorm:"column:tag_ids"` // 渠道定价的标签ID列表(逗号分隔)
  198. Tags []*PricingTag `json:"tags" gorm:"-"` // 渠道定价的标签详情(不参与数据库扫描)
  199. QuotaType int `json:"quota_type"` // 0=按量, 1=按次
  200. ModelRatio float64 `json:"model_ratio"`
  201. CompletionRatio float64 `json:"completion_ratio"`
  202. ModelPrice float64 `json:"model_price"`
  203. HasCustomPricing bool `json:"has_custom_pricing"` // 是否有自定义定价
  204. CacheRatio float64 `json:"cache_ratio"`
  205. CacheCreationRatio float64 `json:"cache_creation_ratio"`
  206. ImageRatio float64 `json:"image_ratio"`
  207. AudioRatio float64 `json:"audio_ratio"`
  208. AudioCompletionRatio float64 `json:"audio_completion_ratio"`
  209. }
  210. // GetChannelPricingByModelWithChannelInfo 获取指定模型的渠道定价(带渠道信息)
  211. // 返回所有支持该模型的渠道,对于没有渠道定价的渠道使用全局默认价格
  212. func GetChannelPricingByModelWithChannelInfo(modelName string) ([]*ChannelPricingWithChannel, error) {
  213. var results []*ChannelPricingWithChannel
  214. // 获取全局默认价格
  215. globalModelRatio, hasRatio, _ := ratio_setting.GetModelRatio(modelName)
  216. globalModelPrice, hasPrice := ratio_setting.GetModelPrice(modelName, false)
  217. globalCompletionRatio := ratio_setting.GetCompletionRatio(modelName)
  218. // 确定默认计费类型
  219. var defaultQuotaType int
  220. if hasPrice {
  221. defaultQuotaType = QuotaTypeByCall
  222. } else {
  223. defaultQuotaType = QuotaTypeByTokens
  224. }
  225. // 如果没有全局价格,设置默认值
  226. if !hasRatio {
  227. globalModelRatio = 0
  228. }
  229. if !hasPrice {
  230. globalModelPrice = 0
  231. }
  232. // 获取全局扩展比率(用于 CASE WHEN 回退)
  233. globalCacheRatio, _ := ratio_setting.GetCacheRatio(modelName)
  234. globalCacheCreationRatio, _ := ratio_setting.GetCreateCacheRatio(modelName)
  235. globalImageRatio, _ := ratio_setting.GetImageRatio(modelName)
  236. globalAudioRatio := ratio_setting.GetAudioRatio(modelName)
  237. globalAudioCompletionRatio := ratio_setting.GetAudioCompletionRatio(modelName)
  238. // 查询所有支持该模型的渠道,左连接渠道定价表
  239. err := DB.Table("abilities").
  240. Select(`abilities.channel_id, channels.name as channel_name, channels.type as channel_type,
  241. COALESCE(channel_pricings.quota_type, ?) as quota_type,
  242. COALESCE(channel_pricings.model_ratio, ?) as model_ratio,
  243. COALESCE(channel_pricings.completion_ratio, ?) as completion_ratio,
  244. COALESCE(channel_pricings.model_price, ?) as model_price,
  245. channel_pricings.id as id,
  246. channel_pricings.tag_ids as tag_ids,
  247. CASE WHEN channel_pricings.cache_ratio > 0 THEN channel_pricings.cache_ratio ELSE ? END as cache_ratio,
  248. CASE WHEN channel_pricings.cache_creation_ratio > 0 THEN channel_pricings.cache_creation_ratio ELSE ? END as cache_creation_ratio,
  249. CASE WHEN channel_pricings.image_ratio > 0 THEN channel_pricings.image_ratio ELSE ? END as image_ratio,
  250. CASE WHEN channel_pricings.audio_ratio > 0 THEN channel_pricings.audio_ratio ELSE ? END as audio_ratio,
  251. CASE WHEN channel_pricings.audio_completion_ratio > 0 THEN channel_pricings.audio_completion_ratio ELSE ? END as audio_completion_ratio,
  252. (channel_pricings.id IS NOT NULL) as has_custom_pricing`,
  253. defaultQuotaType, globalModelRatio, globalCompletionRatio, globalModelPrice, globalCacheRatio, globalCacheCreationRatio, globalImageRatio, globalAudioRatio, globalAudioCompletionRatio).
  254. Joins("LEFT JOIN channels ON abilities.channel_id = channels.id").
  255. Joins("LEFT JOIN channel_pricings ON abilities.channel_id = channel_pricings.channel_id AND channel_pricings.model_name = ? AND channel_pricings.deleted_at IS NULL", modelName).
  256. Where("abilities.model = ?", modelName).
  257. Where("abilities.enabled = ?", true).
  258. Where("channels.status = ?", 1). // 只显示启用的渠道
  259. Group("abilities.channel_id, channels.name, channels.type, channel_pricings.quota_type, channel_pricings.model_ratio, channel_pricings.completion_ratio, channel_pricings.model_price, channel_pricings.id, channel_pricings.tag_ids, channel_pricings.cache_ratio, channel_pricings.cache_creation_ratio, channel_pricings.image_ratio, channel_pricings.audio_ratio, channel_pricings.audio_completion_ratio").
  260. Scan(&results).Error
  261. if err != nil {
  262. return nil, err
  263. }
  264. // 获取所有定价标签
  265. allTags, err := GetAllPricingTags()
  266. if err != nil {
  267. return results, nil // 如果获取标签失败,仍然返回基础结果
  268. }
  269. // 建立标签ID到标签的映射
  270. tagMap := make(map[int]*PricingTag)
  271. for _, tag := range allTags {
  272. tagMap[tag.Id] = tag
  273. }
  274. // 为每个渠道定价填充标签
  275. for _, result := range results {
  276. result.Tags = ParseTagIds(result.TagIds, tagMap)
  277. }
  278. return results, nil
  279. }