bulk.go

Documentation: github.com/go-kivik/kivik/v4/couchdb

     1  // Licensed under the Apache License, Version 2.0 (the "License"); you may not
     2  // use this file except in compliance with the License. You may obtain a copy of
     3  // the License at
     4  //
     5  //  http://www.apache.org/licenses/LICENSE-2.0
     6  //
     7  // Unless required by applicable law or agreed to in writing, software
     8  // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
     9  // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
    10  // License for the specific language governing permissions and limitations under
    11  // the License.
    12  
    13  package couchdb
    14  
    15  import (
    16  	"context"
    17  	"encoding/json"
    18  	"errors"
    19  	"net/http"
    20  
    21  	"github.com/go-kivik/kivik/v4/couchdb/chttp"
    22  	"github.com/go-kivik/kivik/v4/driver"
    23  	internal "github.com/go-kivik/kivik/v4/int/errors"
    24  )
    25  
    26  func (d *db) BulkDocs(ctx context.Context, docs []interface{}, options driver.Options) ([]driver.BulkResult, error) {
    27  	chttpOpts := chttp.NewOptions(options)
    28  	opts := map[string]interface{}{}
    29  	options.Apply(opts)
    30  	opts["docs"] = docs
    31  	chttpOpts.GetBody = chttp.BodyEncoder(opts)
    32  
    33  	resp, err := d.Client.DoReq(ctx, http.MethodPost, d.path("/_bulk_docs"), chttpOpts)
    34  	if err != nil {
    35  		return nil, err
    36  	}
    37  	defer chttp.CloseBody(resp.Body)
    38  
    39  	switch resp.StatusCode {
    40  	case http.StatusCreated:
    41  		// Nothing to do
    42  	case http.StatusExpectationFailed:
    43  		err = &chttp.HTTPError{
    44  			Response: resp,
    45  			Reason:   "one or more document was rejected",
    46  		}
    47  	default:
    48  		// All other errors can consume the response body and return immediately
    49  		if e := chttp.ResponseError(resp); e != nil {
    50  			return nil, e
    51  		}
    52  	}
    53  	var temp []bulkDocResult
    54  	if err := chttp.DecodeJSON(resp, &temp); err != nil {
    55  		return nil, err
    56  	}
    57  	results := make([]driver.BulkResult, len(temp))
    58  	for i, r := range temp {
    59  		results[i] = driver.BulkResult(r)
    60  	}
    61  	return results, err
    62  }
    63  
    64  type bulkDocResult struct {
    65  	ID    string `json:"id"`
    66  	Rev   string `json:"rev"`
    67  	Error error
    68  }
    69  
    70  func (r *bulkDocResult) UnmarshalJSON(p []byte) error {
    71  	target := struct {
    72  		*bulkDocResult
    73  		Error         string `json:"error"`
    74  		Reason        string `json:"reason"`
    75  		UnmarshalJSON struct{}
    76  	}{
    77  		bulkDocResult: r,
    78  	}
    79  	if err := json.Unmarshal(p, &target); err != nil {
    80  		return err
    81  	}
    82  	switch target.Error {
    83  	case "":
    84  		// No error
    85  	case "conflict":
    86  		r.Error = &internal.Error{Status: http.StatusConflict, Err: errors.New(target.Reason)}
    87  	default:
    88  		r.Error = &internal.Error{Status: http.StatusInternalServerError, Err: errors.New(target.Reason)}
    89  	}
    90  	return nil
    91  }
    92
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