mirror of https://github.com/perkeep/perkeep.git
117 lines
2.8 KiB
Go
117 lines
2.8 KiB
Go
/*
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Copyright 2011 Google Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package search
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import (
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"camli/blobref"
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"camli/httputil"
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"fmt"
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"http"
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"log"
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"os"
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"sort"
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"sync"
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"time"
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)
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func CreateHandler(idx Index, ownerBlobRef *blobref.BlobRef) func(http.ResponseWriter, *http.Request) {
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return func(conn http.ResponseWriter, req *http.Request) {
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handleSearch(conn, req, idx, ownerBlobRef)
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}
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}
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type jsonMap map[string]interface{}
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func handleSearch(conn http.ResponseWriter, req *http.Request, idx Index, ownerBlobRef *blobref.BlobRef) {
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ch := make(chan *Result)
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results := make([]jsonMap, 0)
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errch := make(chan os.Error)
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go func() {
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errch <- idx.GetRecentPermanodes(ch, []*blobref.BlobRef{ownerBlobRef}, 50)
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}()
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wg := new(sync.WaitGroup)
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for res := range ch {
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jm := make(jsonMap)
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jm["blobref"] = res.BlobRef.String()
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jm["owner"] = res.Signer.String()
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t := time.SecondsToUTC(res.LastModTime)
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jm["modtime"] = t.Format(time.RFC3339)
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results = append(results, jm)
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wg.Add(1)
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go func() {
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populatePermanodeFields(jm, idx, res.BlobRef, res.Signer)
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wg.Done()
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}()
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}
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wg.Wait()
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err := <-errch
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ret := make(jsonMap)
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ret["results"] = results
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if err != nil {
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// TODO: return error status code
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ret["error"] = fmt.Sprintf("%v", err)
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}
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httputil.ReturnJson(conn, ret)
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}
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func populatePermanodeFields(jm jsonMap, idx Index, pn, signer *blobref.BlobRef) {
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jm["content"] = ""
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attr := make(jsonMap)
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jm["attr"] = attr
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claims, err := idx.GetOwnerClaims(pn, signer)
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if err != nil {
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log.Printf("Error getting claims of %s: %v", pn.String(), err)
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} else {
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sort.Sort(claims)
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for _, cl := range claims {
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switch cl.Type {
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case "del-attribute":
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attr[cl.Attr] = nil, false
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case "set-attribute":
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attr[cl.Attr] = nil, false
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fallthrough
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case "add-attribute":
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sl, ok := attr[cl.Attr].([]string)
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if !ok {
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sl = make([]string, 0, 1)
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attr[cl.Attr] = sl
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}
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attr[cl.Attr] = append(sl, cl.Value)
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}
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}
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if sl, ok := attr["camliContent"].([]string); ok && len(sl) > 0 {
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jm["content"] = sl[0]
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attr["camliContent"] = nil, false
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}
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}
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// If the content permanode is now known, look up its type
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if content, ok := jm["content"].(string); ok && content != "" {
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cbr := blobref.Parse(content)
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mime, ok, _ := idx.GetBlobMimeType(cbr)
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if ok {
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jm["type"] = mime
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}
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}
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}
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