fish03andClaude Opus 5.5
bef9f8b4ed
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
134 lines
3.2 KiB
Go
134 lines
3.2 KiB
Go
package playletser
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import (
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"fmt"
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"net/url"
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"strconv"
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"strings"
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"videoweb/app/service/authser"
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"videoweb/app/service/upstream"
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"videoweb/pub/common/log"
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"github.com/gin-gonic/gin"
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)
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const (
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detailPath = "/api/app/playlet/detail"
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defaultEpisodeRange = 30
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)
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// EpisodeRange 剧集分段（仅 UI 分页展示，非接口字段映射）。
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type EpisodeRange struct {
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Start int
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End int
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Label string
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}
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// FetchDetail 根据短剧 ID 查询详情。
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func FetchDetail(c *gin.Context, id int64) (*PlayletInfoResp, error) {
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if id <= 0 {
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return nil, fmt.Errorf("playlet detail invalid id")
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}
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return fetchDetail(c, "id", strconv.FormatInt(id, 10))
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}
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// FetchDetailByKey 优先按 slug 查询；纯数字路由段按 ID 查询。
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func FetchDetailByKey(c *gin.Context, key string) (*PlayletInfoResp, error) {
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key = strings.TrimSpace(key)
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if key == "" {
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return nil, fmt.Errorf("playlet detail missing route key")
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}
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if id := ParseDetailID(key); id > 0 {
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return FetchDetail(c, id)
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}
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return fetchDetail(c, "slug", key)
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}
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func fetchDetail(c *gin.Context, queryKey, value string) (*PlayletInfoResp, error) {
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authser.EnsureGuestOnEnter(c)
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env, err := fetchDetailOnce(c, queryKey, value)
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if err != nil {
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return nil, err
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}
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if env.Code != 200 && authser.IsSessionExpiredCode(env.Code) {
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if authser.RecoverContentSession(c, env.Code) {
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env, err = fetchDetailOnce(c, queryKey, value)
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if err != nil {
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return nil, err
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}
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}
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}
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if env.Code != 200 {
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return nil, fmt.Errorf("playlet detail code=%d msg=%s tip=%s", env.Code, env.Msg, env.Tip)
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}
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env.Data.SeoInfo.Normalize()
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return &env.Data, nil
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}
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func fetchDetailOnce(c *gin.Context, queryKey, value string) (*APIEnvelope[PlayletInfoResp], error) {
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params := url.Values{}
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params.Set(queryKey, value)
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var env APIEnvelope[PlayletInfoResp]
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if err := upstream.GetJSON(c, detailPath+"?"+params.Encode(), &env); err != nil {
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return nil, err
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}
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return &env, nil
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}
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// FetchDetailOrNilByKey 失败或无效时返回 nil。
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func FetchDetailOrNilByKey(c *gin.Context, key string) *PlayletInfoResp {
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data, err := FetchDetailByKey(c, key)
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if err != nil {
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log.Error("fetch playlet detail by route key failed", log.E(err))
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return nil
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}
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if data == nil || data.ID <= 0 {
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return nil
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}
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return data
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}
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// ParseDetailID 解析纯数字路由段。
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func ParseDetailID(raw string) int64 {
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id, err := strconv.ParseInt(strings.TrimSpace(raw), 10, 64)
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if err != nil || id <= 0 {
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return 0
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}
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return id
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}
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// BuildEpisodeRanges 按集数分段（默认每段 30 集）。
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func BuildEpisodeRanges(chapters []PlayletChapterData, totalEpisode, size int) []EpisodeRange {
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if size <= 0 {
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size = defaultEpisodeRange
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}
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maxEp := 0
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for _, ch := range chapters {
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if ch.CurrentEpisode > maxEp {
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maxEp = ch.CurrentEpisode
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}
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}
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if totalEpisode > maxEp {
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maxEp = totalEpisode
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}
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if maxEp <= 0 {
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maxEp = len(chapters)
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}
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if maxEp <= 0 {
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return nil
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}
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out := make([]EpisodeRange, 0, (maxEp+size-1)/size)
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for start := 1; start <= maxEp; start += size {
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end := start + size - 1
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if end > maxEp {
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end = maxEp
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}
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out = append(out, EpisodeRange{
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Start: start,
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End: end,
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Label: fmt.Sprintf("%d–%d", start, end),
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})
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}
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return out
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}
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