From 69e2c326dad7ff1fbae152f72a2fcd0feadcf94e Mon Sep 17 00:00:00 2001
From: jholdstock <jholdstock@decred.org>
Date: Mon, 18 Sep 2023 19:21:05 +0100
Subject: [PATCH] webapi: Attempt cache updat before returning error

Rather than immediately returning an error if the cache is not
initialized, attempt to initialize it first.
---
 internal/webapi/middleware.go | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/internal/webapi/middleware.go b/internal/webapi/middleware.go
index 304236be..a0b2e89d 100644
--- a/internal/webapi/middleware.go
+++ b/internal/webapi/middleware.go
@@ -98,11 +98,14 @@ func (w *WebAPI) withSession(store *sessions.CookieStore) gin.HandlerFunc {
 // Server Error.
 func (w *WebAPI) requireWebCache(c *gin.Context) {
 	if !w.cache.initialized() {
-		const str = "Cache is not yet initialized"
-		w.log.Errorf(str)
-		c.String(http.StatusInternalServerError, str)
-		c.Abort()
-		return
+		// Try to initialize it now.
+		err := w.cache.update()
+		if err != nil {
+			w.log.Errorf("Failed to initialize cache: %v", err)
+			c.String(http.StatusInternalServerError, "Cache is not initialized")
+			c.Abort()
+			return
+		}
 	}
 
 	c.Set(cacheKey, w.cache.getData())