45 lines
1.3 KiB
Nim
45 lines
1.3 KiB
Nim
import asyncdispatch, times
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import types, api
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withCustomDb("cache.db", "", "", ""):
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try:
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createTables()
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except DbError:
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discard
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var profileCacheTime = initDuration(minutes=10)
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proc isOutdated*(profile: Profile): bool =
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getTime() - profile.updated > profileCacheTime
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proc cache*(profile: var Profile) =
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withCustomDb("cache.db", "", "", ""):
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try:
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let p = Profile.getOne("lower(username) = ?", toLower(profile.username))
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profile.id = p.id
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profile.update()
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except KeyError:
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if profile.username.len > 0:
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profile.insert()
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proc hasCachedProfile*(username: string): Option[Profile] =
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withCustomDb("cache.db", "", "", ""):
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try:
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let p = Profile.getOne("lower(username) = ?", toLower(username))
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doAssert not p.isOutdated
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result = some(p)
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except AssertionError, KeyError:
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result = none(Profile)
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proc getCachedProfile*(username, agent: string; force=false): Future[Profile] {.async.} =
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withCustomDb("cache.db", "", "", ""):
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try:
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result.getOne("lower(username) = ?", toLower(username))
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doAssert not result.isOutdated
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except AssertionError, KeyError:
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result = await getProfileFull(username)
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cache(result)
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proc setProfileCacheTime*(minutes: int) =
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profileCacheTime = initDuration(minutes=minutes)
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