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doc_count.go
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/
doc_count.go
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// Copyright (c) 2014 Couchbase, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package http
import (
"fmt"
"net/http"
)
type DocCountHandler struct {
defaultIndexName string
IndexNameLookup varLookupFunc
}
func NewDocCountHandler(defaultIndexName string) *DocCountHandler {
return &DocCountHandler{
defaultIndexName: defaultIndexName,
}
}
func (h *DocCountHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
// find the index to operate on
var indexName string
if h.IndexNameLookup != nil {
indexName = h.IndexNameLookup(req)
}
if indexName == "" {
indexName = h.defaultIndexName
}
index := IndexByName(indexName)
if index == nil {
showError(w, req, fmt.Sprintf("no such index '%s'", indexName), 404)
return
}
docCount, err := index.DocCount()
if err != nil {
showError(w, req, fmt.Sprintf("error counting docs: %v", err), 500)
return
}
rv := struct {
Status string `json:"status"`
Count uint64 `json:"count"`
}{
Status: "ok",
Count: docCount,
}
mustEncode(w, rv)
}