1// Copyright (c) 2014 Couchbase, Inc. 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15package http 16 17import ( 18 "fmt" 19 "net/http" 20) 21 22type DocDeleteHandler struct { 23 defaultIndexName string 24 IndexNameLookup varLookupFunc 25 DocIDLookup varLookupFunc 26} 27 28func NewDocDeleteHandler(defaultIndexName string) *DocDeleteHandler { 29 return &DocDeleteHandler{ 30 defaultIndexName: defaultIndexName, 31 } 32} 33 34func (h *DocDeleteHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) { 35 36 // find the index to operate on 37 var indexName string 38 if h.IndexNameLookup != nil { 39 indexName = h.IndexNameLookup(req) 40 } 41 if indexName == "" { 42 indexName = h.defaultIndexName 43 } 44 index := IndexByName(indexName) 45 if index == nil { 46 showError(w, req, fmt.Sprintf("no such index '%s'", indexName), 404) 47 return 48 } 49 50 // find the doc id 51 var docID string 52 if h.DocIDLookup != nil { 53 docID = h.DocIDLookup(req) 54 } 55 if docID == "" { 56 showError(w, req, "document id cannot be empty", 400) 57 return 58 } 59 60 err := index.Delete(docID) 61 if err != nil { 62 showError(w, req, fmt.Sprintf("error deleting document '%s': %v", docID, err), 500) 63 return 64 } 65 66 rv := struct { 67 Status string `json:"status"` 68 }{ 69 Status: "ok", 70 } 71 mustEncode(w, rv) 72} 73