split discover provider rails

2026-10-13 16:46:37 +08:00 · 2026-06-27 10:42:39 +08:00
parent ea9845622c
commit d26b557ea0
3 changed files with 167 additions and 147 deletions
@@ -0,0 +1,77 @@
+// Package service — Bangumi discovery calendar.
+package service
+
+import (
+	"context"
+	"strconv"
+	"strings"
+)
+
+// Calendar returns Bangumi's public on-air anime calendar as a recommendation
+// rail. It needs no token, but NewBangumiProvider still attaches one when set.
+func (b *BangumiProvider) Calendar(ctx context.Context) ([]ExternalMediaResult, error) {
+	type subject struct {
+		ID      int    `json:"id"`
+		Name    string `json:"name"`
+		NameCN  string `json:"name_cn"`
+		Summary string `json:"summary"`
+		AirDate string `json:"air_date"`
+		Images  struct {
+			Large  string `json:"large"`
+			Common string `json:"common"`
+		} `json:"images"`
+		Rating struct {
+			Score float32 `json:"score"`
+		} `json:"rating"`
+	}
+	type day struct {
+		Items []subject `json:"items"`
+	}
+	var days []day
+	if err := b.getJSON(ctx, b.base+"/calendar", &days); err != nil {
+		return nil, err
+	}
+	out := make([]ExternalMediaResult, 0, 24)
+	seen := map[int]struct{}{}
+	for _, day := range days {
+		for _, item := range day.Items {
+			if _, ok := seen[item.ID]; ok {
+				continue
+			}
+			seen[item.ID] = struct{}{}
+			title := strings.TrimSpace(item.NameCN)
+			if title == "" {
+				title = strings.TrimSpace(item.Name)
+			}
+			if title == "" {
+				continue
+			}
+			poster := item.Images.Large
+			if poster == "" {
+				poster = item.Images.Common
+			}
+			poster = normalizeBangumiImageURL(poster)
+			year := 0
+			if len(item.AirDate) >= 4 {
+				year, _ = strconv.Atoi(item.AirDate[:4])
+			}
+			out = append(out, ExternalMediaResult{
+				Source:           "bangumi",
+				MediaType:        "anime",
+				Title:            title,
+				OriginalName:     item.Name,
+				Overview:         item.Summary,
+				PosterURL:        poster,
+				Year:             year,
+				Rating:           item.Rating.Score,
+				BangumiID:        item.ID,
+				SubscribeKeyword: buildSubscribeKeyword(title, year),
+				SubscribeAliases: buildSubscribeAliases(title, item.Name, year),
+			})
+			if len(out) >= 24 {
+				return out, nil
+			}
+		}
+	}
+	return out, nil
+}