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fix bug with skin caching that cached capes as non-existent

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when using cache.save_hash, an `undefined` skin or cape hash means "do not touch"
while `null` means "overwrite as non-existent"

this was sent to redis after calling /capes/Notch for the first time:

  "hmset" "notch" "c" "3f688e0e699b3d9fe448b5bb50a3a288f9c589762b3dae8308842122dcb81" "t" "1429651244222"
  "hmset" "notch" "s" "a116e69a845e227f7ca1fdde8c357c8c821ebd4ba619382ea4a1f87d4ae94" "c" "" "t" "1429651244235"

as you can see, the first request stores the c(ape) but does not touch the s(kin), whereas the second request
sets the s(kin) and replaces the c(ape) value
This commit is contained in:
jomo 2015-04-21 23:34:14 +02:00
parent 13169be774
commit 244f90c4c7
1 changed files with 1 additions and 1 deletions
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2
lib/helpers.js
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@ -177,7 +177,7 @@ function store_images(rid, userId, cache_details, type, callback) {
// an error occured, not caching. we can try in 60 seconds
callback_for(userId, "skin", store_err, null);
} else {
cache.save_hash(rid, userId, skin_hash, null, function(cache_err) {
cache.save_hash(rid, userId, skin_hash, undefined, function(cache_err) {
callback_for(userId, "skin", (store_err || cache_err), skin_hash);
});
}