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Move RSS compression to Redis module, fix crash

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Zed 2022-01-27 14:36:12 +01:00
commit 091bb6813d
2 changed files with 11 additions and 9 deletions
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7
src/redis_cache.nim
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@ -102,7 +102,7 @@ proc cache*(data: Tweet) {.async.} =
proc cacheRss*(query: string; rss: Rss) {.async.} =
let key = "rss:" & query
pool.withAcquire(r):
dawait r.hSet(key, "rss", rss.feed)
dawait r.hSet(key, "rss", compress(rss.feed))
dawait r.hSet(key, "min", rss.cursor)
dawait r.expire(key, rssCacheTime)
@ -182,6 +182,9 @@ proc getCachedRss*(key: string): Future[Rss] {.async.} =
pool.withAcquire(r):
result.cursor = await r.hGet(k, "min")
if result.cursor.len > 2:
result.feed = await r.hGet(k, "rss")
let feed = await r.hGet(k, "rss")
if feed != redisNil:
try: result.feed = uncompress feed
except: echo "Decompressing RSS failed: ", feed
else:
result.cursor.setLen 0