168 lines
2.6 KiB
Go
168 lines
2.6 KiB
Go
package counters
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import (
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"database/sql"
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"sync/atomic"
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c "github.com/Azareal/Gosora/common"
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qgen "github.com/Azareal/Gosora/query_gen"
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"github.com/pkg/errors"
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)
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var LangViewCounter *DefaultLangViewCounter
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var langCodes = []string{
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"unknown",
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"",
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"af",
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"ar",
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"az",
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"be",
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"bg",
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"bs",
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"ca",
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"cs",
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"cy",
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"da",
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"de",
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"dv",
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"el",
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"en",
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"eo",
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"es",
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"et",
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"eu",
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"fa",
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"fi",
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"fo",
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"fr",
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"gl",
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"gu",
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"he",
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"hi",
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"hr",
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"hu",
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"hy",
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"id",
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"is",
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"it",
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"ja",
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"ka",
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"kk",
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"kn",
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"ko",
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"kok",
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"ky",
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"lt",
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"lv",
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"mi",
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"mk",
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"mn",
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"mr",
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"ms",
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"mt",
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"nb",
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"nl",
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"nn",
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"ns",
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"pa",
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"pl",
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"ps",
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"pt",
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"qu",
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"ro",
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"ru",
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"sa",
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"se",
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"sk",
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"sl",
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"sq",
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"sr",
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"sv",
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"sw",
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"syr",
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"ta",
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"te",
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"th",
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"tl",
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"tn",
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"tr",
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"tt",
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"ts",
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"uk",
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"ur",
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"uz",
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"vi",
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"xh",
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"zh",
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"zu",
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}
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type DefaultLangViewCounter struct {
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//buckets []*MutexCounterBucket //[OSID]count
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buckets []int64 //[OSID]count
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codesToIndices map[string]int
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insert *sql.Stmt
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}
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func NewDefaultLangViewCounter(acc *qgen.Accumulator) (*DefaultLangViewCounter, error) {
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codesToIndices := make(map[string]int, len(langCodes))
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for index, code := range langCodes {
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codesToIndices[code] = index
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}
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co := &DefaultLangViewCounter{
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buckets: make([]int64, len(langCodes)),
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codesToIndices: codesToIndices,
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insert: acc.Insert("viewchunks_langs").Columns("count,createdAt,lang").Fields("?,UTC_TIMESTAMP(),?").Prepare(),
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}
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c.AddScheduledFifteenMinuteTask(co.Tick)
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//c.AddScheduledSecondTask(co.Tick)
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c.AddShutdownTask(co.Tick)
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return co, acc.FirstError()
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}
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func (co *DefaultLangViewCounter) Tick() error {
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for id := 0; id < len(co.buckets); id++ {
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count := atomic.SwapInt64(&co.buckets[id], 0)
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err := co.insertChunk(count, id) // TODO: Bulk insert for speed?
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if err != nil {
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return errors.Wrap(errors.WithStack(err), "langview counter")
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}
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}
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return nil
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}
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func (co *DefaultLangViewCounter) insertChunk(count int64, id int) error {
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if count == 0 {
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return nil
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}
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langCode := langCodes[id]
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if langCode == "" {
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langCode = "none"
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}
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c.DebugLogf("Inserting a vchunk with a count of %d for lang %s (%d)", count, langCode, id)
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_, err := co.insert.Exec(count, langCode)
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return err
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}
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func (co *DefaultLangViewCounter) Bump(langCode string) (validCode bool) {
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validCode = true
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id, ok := co.codesToIndices[langCode]
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if !ok {
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// TODO: Tell the caller that the code's invalid
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id = 0 // Unknown
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validCode = false
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}
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// TODO: Test this check
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c.DebugDetail("co.buckets[", id, "]: ", co.buckets[id])
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if len(co.buckets) <= id || id < 0 {
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return validCode
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}
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atomic.AddInt64(&co.buckets[id], 1)
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return validCode
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}
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