Add API endpoint to import OPML file

vendor/github.com/miniflux/miniflux-go/README.md

@@ -26,7 +26,7 @@ package main
 
 import (
 	"fmt"
-
+	"io/ioutil"
 	"github.com/miniflux/miniflux-go"
 )
 
@@ -41,7 +41,7 @@ func main() {
     }
     fmt.Println(feeds)
 
-    // Backup to opml file.
+    // Backup your feeds to an OPML file.
     opml, err := client.Export()
     if err != nil {
         fmt.Println(err)
@@ -53,8 +53,8 @@ func main() {
         fmt.Println(err)
         return
     }
-    fmt.Println("backup done!")
 
+    fmt.Println("backup done!")
 }
 ```
 

vendor/github.com/miniflux/miniflux-go/client.go

@@ -7,6 +7,7 @@ package miniflux
 import (
 	"encoding/json"
 	"fmt"
+	"io"
 	"io/ioutil"
 	"net/url"
 	"strconv"
@@ -230,6 +231,12 @@ func (c *Client) Export() ([]byte, error) {
 	return opml, nil
 }
 
+// Import imports an OPML file.
+func (c *Client) Import(f io.ReadCloser) error {
+	_, err := c.request.PostFile("/v1/import", f)
+	return err
+}
+
 // Feed gets a feed.
 func (c *Client) Feed(feedID int64) (*Feed, error) {
 	body, err := c.request.Get(fmt.Sprintf("/v1/feeds/%d", feedID))

vendor/github.com/miniflux/miniflux-go/request.go

@@ -26,6 +26,7 @@ var (
 	errNotAuthorized = errors.New("miniflux: unauthorized (bad credentials)")
 	errForbidden     = errors.New("miniflux: access forbidden")
 	errServerError   = errors.New("miniflux: internal server error")
+	errNotFound      = errors.New("miniflux: resource not found")
 )
 
 type errorResponse struct {
@@ -46,6 +47,10 @@ func (r *request) Post(path string, data interface{}) (io.ReadCloser, error) {
 	return r.execute(http.MethodPost, path, data)
 }
 
+func (r *request) PostFile(path string, f io.ReadCloser) (io.ReadCloser, error) {
+	return r.execute(http.MethodPost, path, f)
+}
+
 func (r *request) Put(path string, data interface{}) (io.ReadCloser, error) {
 	return r.execute(http.MethodPut, path, data)
 }
@@ -72,7 +77,12 @@ func (r *request) execute(method, path string, data interface{}) (io.ReadCloser,
 	request.SetBasicAuth(r.username, r.password)
 
 	if data != nil {
-		request.Body = ioutil.NopCloser(bytes.NewBuffer(r.toJSON(data)))
+		switch data.(type) {
+		case io.ReadCloser:
+			request.Body = data.(io.ReadCloser)
+		default:
+			request.Body = ioutil.NopCloser(bytes.NewBuffer(r.toJSON(data)))
+		}
 	}
 
 	client := r.buildClient()
@@ -88,6 +98,8 @@ func (r *request) execute(method, path string, data interface{}) (io.ReadCloser,
 		return nil, errForbidden
 	case http.StatusInternalServerError:
 		return nil, errServerError
+	case http.StatusNotFound:
+		return nil, errNotFound
 	case http.StatusBadRequest:
 		defer response.Body.Close()
 
@@ -100,8 +112,8 @@ func (r *request) execute(method, path string, data interface{}) (io.ReadCloser,
 		return nil, fmt.Errorf("miniflux: bad request (%s)", resp.ErrorMessage)
 	}
 
-	if response.StatusCode >= 400 {
-		return nil, fmt.Errorf("miniflux: server error (statusCode=%d)", response.StatusCode)
+	if response.StatusCode > 400 {
+		return nil, fmt.Errorf("miniflux: status code=%d", response.StatusCode)
 	}
 
 	return response.Body, nil