mirror of
https://github.com/PeernetOfficial/core.git
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84 lines
2.3 KiB
Go
84 lines
2.3 KiB
Go
/*
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File Name: Search Dispatch.go
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Copyright: 2021 Peernet Foundation s.r.o.
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Author: Peter Kleissner
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*/
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package webapi
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import (
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"bytes"
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"fmt"
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"time"
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"github.com/PeernetOfficial/core/blockchain"
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)
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func (api *WebapiInstance) dispatchSearch(input SearchRequest) (job *SearchJob) {
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Timeout := input.Parse()
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Filter := input.ToSearchFilter()
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// create the search job
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job = api.CreateSearchJob(Timeout, input.MaxResults, Filter)
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// todo: create actual search clients!
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job.Status = SearchStatusLive
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go job.localSearch(api, input.Term)
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job.RemoveDefer(job.timeout + time.Minute*10)
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return job
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}
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func (job *SearchJob) localSearch(api *WebapiInstance, term string) {
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if api.backend.SearchIndex == nil || api.backend.GlobalBlockchainCache == nil {
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job.Status = SearchStatusNoIndex
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return
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}
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results := api.backend.SearchIndex.Search(term)
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job.ResultSync.Lock()
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resultLoop:
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for _, result := range results {
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file, _, found, err := api.backend.GlobalBlockchainCache.ReadFile(result.PublicKey, result.BlockchainVersion, result.BlockNumber, result.FileID)
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if err != nil || !found {
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continue
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}
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// Deduplicate based on file hash from the same peer.
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for n := range job.AllFiles {
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if bytes.Equal(job.AllFiles[n].Hash, file.Hash) && bytes.Equal(job.AllFiles[n].NodeID, file.NodeID) {
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continue resultLoop
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}
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}
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if bytes.Equal(file.NodeID, job.backend.SelfNodeID()) {
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// Indicates data from the current user.
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file.Tags = append(file.Tags, blockchain.TagFromNumber(blockchain.TagSharedByCount, 1))
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} else if peer := job.backend.NodelistLookup(file.NodeID); peer != nil {
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// add the tags 'Shared By Count' and 'Shared By GeoIP'
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file.Tags = append(file.Tags, blockchain.TagFromNumber(blockchain.TagSharedByCount, 1))
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if latitude, longitude, valid := api.Peer2GeoIP(peer); valid {
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sharedByGeoIP := fmt.Sprintf("%.4f", latitude) + "," + fmt.Sprintf("%.4f", longitude)
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file.Tags = append(file.Tags, blockchain.TagFromText(blockchain.TagSharedByGeoIP, sharedByGeoIP))
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}
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}
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// new result
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newFile := blockRecordFileToAPI(file)
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job.Files = append(job.Files, &newFile)
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job.AllFiles = append(job.AllFiles, &newFile)
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job.requireSort = true
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job.statsAdd(&newFile)
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}
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job.Status = SearchStatusTerminated
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job.ResultSync.Unlock()
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job.Terminate()
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}
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