f add

app/main/api/internal/handler/agent/getinviteposterhandler.go

@@ -0,0 +1,50 @@
+package agent
+
+import (
+	"net/http"
+	"strings"
+
+	"ycc-server/app/main/api/internal/logic/agent"
+	"ycc-server/app/main/api/internal/svc"
+	"ycc-server/app/main/api/internal/types"
+	"ycc-server/common/result"
+	"ycc-server/pkg/lzkit/validator"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
+)
+
+func GetInvitePosterHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		var req types.GetInvitePosterReq
+		if err := httpx.Parse(r, &req); err != nil {
+			result.ParamErrorResult(r, w, err)
+			return
+		}
+		req.Format = strings.TrimSpace(strings.ToLower(req.Format))
+		if err := validator.Validate(req); err != nil {
+			result.ParamValidateErrorResult(r, w, err)
+			return
+		}
+
+		l := agent.NewGetInvitePosterLogic(r.Context(), svcCtx)
+
+		if req.Format == "base64" {
+			base64Str, err := l.GetInvitePosterBase64(&req)
+			if err != nil {
+				result.HttpResult(r, w, nil, err)
+				return
+			}
+			result.HttpResult(r, w, &types.GetInvitePosterResp{PosterBase64: base64Str}, nil)
+			return
+		}
+
+		pngBytes, err := l.GetInvitePoster(&req)
+		if err != nil {
+			result.HttpResult(r, w, nil, err)
+			return
+		}
+		w.Header().Set("Content-Type", "image/png")
+		w.WriteHeader(http.StatusOK)
+		_, _ = w.Write(pngBytes)
+	}
+}

app/main/api/internal/handler/routes.go

@@ -690,6 +690,11 @@ func RegisterHandlers(server *rest.Server, serverCtx *svc.ServiceContext) {
 					Path:    "/info",
 					Handler: agent.GetAgentInfoHandler(serverCtx),
 				},
+				{
+					Method:  http.MethodGet,
+					Path:    "/invite/poster",
+					Handler: agent.GetInvitePosterHandler(serverCtx),
+				},
 				{
 					Method:  http.MethodPost,
 					Path:    "/invite_code/delete",