37 lines
1.1 KiB
Go
37 lines
1.1 KiB
Go
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package library
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import (
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"sync"
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"velvettear/badger/internal/config"
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"velvettear/badger/internal/database"
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"velvettear/badger/internal/log"
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"velvettear/badger/internal/tools"
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)
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// exported function(s)
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func Update() {
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timestamp := tools.LogTimestamp()
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log.Info("database update started...")
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// find and filter for unknown / changed files
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files, deletedTrackIDs := filterChangedFiles(findFiles(config.LibraryDirectory()))
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// if no changed files are detected and no files were deleted exit
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if len(files) == 0 && !removeDeletedTracks(deletedTrackIDs) {
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log.InfoTimed("database update finished, no changes were detected", timestamp)
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return
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}
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if len(files) > 0 {
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// setup waitgroup and communication channel
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ipc := make(chan wrapper)
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wait := new(sync.WaitGroup)
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wait.Add(2)
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// parse the files and store the generated metadata asynchronously
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go parseFiles(files, ipc, wait)
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go storeMetadata(ipc, wait)
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wait.Wait()
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close(ipc)
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}
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// persist the in memory database to the filesystem
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database.Persist()
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log.InfoTimed("database update finished", timestamp)
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}
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