feat: add ads/sponsor/captcha modules and polish home & chat UI

backend/service/overview.go

@@ -10,13 +10,19 @@ import (
 
 // OverviewService 首页聚合服务：一次请求返回统计、热门榜、活跃用户、板块计数
 type OverviewService struct {
-	db *gorm.DB
+	db  *gorm.DB
+	ads *AdService
 }
 
 func NewOverviewService(db *gorm.DB) *OverviewService {
 	return &OverviewService{db: db}
 }
 
+func (s *OverviewService) WithAds(ads *AdService) *OverviewService {
+	s.ads = ads
+	return s
+}
+
 // OverviewStats 社区整体统计（社区脉搏卡）
 type OverviewStats struct {
 	Posts         int64 `json:"posts"`
@@ -75,6 +81,32 @@ type OverviewData struct {
 	SidebarPages       []SidebarPageItem  `json:"sidebar_pages"`
 	NewUsers           []NewUserItem      `json:"new_users"`
 	Checkin            *CheckinStatus     `json:"checkin,omitempty"`
+	Ads                []PublicAdItem     `json:"ads"`
+	AdsPanelTitle      string             `json:"ads_panel_title"`
+	AdsEnabled         bool               `json:"ads_enabled"`
+	Sponsors           []PublicSponsorItem `json:"sponsors"`
+	SponsorsPanelTitle string              `json:"sponsors_panel_title"`
+	SponsorsEnabled    bool                `json:"sponsors_enabled"`
+}
+
+// PublicAdItem 侧栏广告条目
+type PublicAdItem struct {
+	ID        uint   `json:"id"`
+	Kind      string `json:"kind"`
+	LinkURL   string `json:"link_url"`
+	ImageURL  string `json:"image_url,omitempty"`
+	Title     string `json:"title,omitempty"`
+	TextColor string `json:"text_color,omitempty"`
+	BgColor   string `json:"bg_color,omitempty"`
+}
+
+// PublicSponsorItem 侧栏赞助商
+type PublicSponsorItem struct {
+	ID        string `json:"id"`
+	Name      string `json:"name"`
+	LogoURL   string `json:"logo_url"`
+	LinkURL   string `json:"link_url,omitempty"`
+	HoverText string `json:"hover_text,omitempty"`
 }
 
 const (
@@ -286,6 +318,36 @@ LIMIT 5`
 		})
 	}
 
+	data.Ads = []PublicAdItem{}
+	data.AdsPanelTitle = AdDefaultTitle
+	data.Sponsors = []PublicSponsorItem{}
+	data.SponsorsPanelTitle = SponsorDefaultTitle
+	if s.ads != nil {
+		list, cfg, err := s.ads.ActivePublic()
+		if err == nil {
+			data.AdsEnabled = cfg.Enabled
+			data.AdsPanelTitle = cfg.PanelTitle
+			for _, a := range list {
+				data.Ads = append(data.Ads, PublicAdItem{
+					ID: a.ID, Kind: a.Kind, LinkURL: a.LinkURL,
+					ImageURL: a.ImageURL, Title: a.Title,
+					TextColor: a.TextColor, BgColor: a.BgColor,
+				})
+			}
+		}
+		scfg, slist, err := s.ads.PublicSponsors()
+		if err == nil {
+			data.SponsorsEnabled = scfg.Enabled
+			data.SponsorsPanelTitle = scfg.PanelTitle
+			for _, it := range slist {
+				data.Sponsors = append(data.Sponsors, PublicSponsorItem{
+					ID: it.ID, Name: it.Name, LogoURL: it.LogoURL,
+					LinkURL: it.LinkURL, HoverText: it.HoverText,
+				})
+			}
+		}
+	}
+
 	return data, nil
 }