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gitlab.go
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gitlab.go
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// Copyright 2017 Drone.IO Inc. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package gitlab implements a GitLab client.
package gitlab
import (
"bytes"
"context"
"encoding/json"
"net/url"
"strconv"
"strings"
"time"
"github.com/jenkins-x/go-scm/scm"
)
// New returns a new GitLab API client.
func New(uri string) (*scm.Client, error) {
base, err := url.Parse(uri)
if err != nil {
return nil, err
}
if !strings.HasSuffix(base.Path, "/") {
base.Path = base.Path + "/"
}
client := &wrapper{new(scm.Client)}
client.BaseURL = base
// initialize services
client.Driver = scm.DriverGitlab
client.Contents = &contentService{client}
client.Git = &gitService{client}
client.Issues = &issueService{client}
client.Organizations = &organizationService{client}
client.PullRequests = &pullService{client}
client.Repositories = &repositoryService{client}
client.Reviews = &reviewService{client}
client.Users = &userService{client}
client.Webhooks = &webhookService{client}
return client.Client, nil
}
// NewDefault returns a new GitLab API client using the
// default gitlab.com address.
func NewDefault() *scm.Client {
client, _ := New("https://gitlab.com")
return client
}
// wraper wraps the Client to provide high level helper functions
// for making http requests and unmarshaling the response.
type wrapper struct {
*scm.Client
}
// do wraps the Client.Do function by creating the Request and
// unmarshalling the response.
func (c *wrapper) do(ctx context.Context, method, path string, in, out interface{}) (*scm.Response, error) {
req := &scm.Request{
Method: method,
Path: path,
}
// if we are posting or putting data, we need to
// write it to the body of the request.
if in != nil {
buf := new(bytes.Buffer)
json.NewEncoder(buf).Encode(in)
if req.Header == nil {
req.Header = map[string][]string{}
}
req.Header.Set("Content-Type", "application/json")
req.Body = buf
}
// execute the http request
res, err := c.Client.Do(ctx, req)
if err != nil {
return nil, err
}
defer res.Body.Close()
// parse the gitlab request id.
res.ID = res.Header.Get("X-Request-Id")
// parse the gitlab rate limit details.
res.Rate.Limit, _ = strconv.Atoi(
res.Header.Get("RateLimit-Limit"),
)
res.Rate.Remaining, _ = strconv.Atoi(
res.Header.Get("RateLimit-Remaining"),
)
res.Rate.Reset, _ = strconv.ParseInt(
res.Header.Get("RateLimit-Reset"), 10, 64,
)
// snapshot the request rate limit
c.Client.SetRate(res.Rate)
// if an error is encountered, unmarshal and return the
// error response.
if res.Status > 300 {
err := new(Error)
json.NewDecoder(res.Body).Decode(err)
return res, err
}
if out == nil {
return res, nil
}
// if a json response is expected, parse and return
// the json response.
return res, json.NewDecoder(res.Body).Decode(out)
}
// Error represents a GitLab error.
type Error struct {
Message string `json:"message"`
}
func (e *Error) Error() string {
return e.Message
}
type updateNoteOptions struct {
Body string `json:"body"`
}
type labelEvent struct {
ID int `json:"id"`
Action string `json:"action"`
CreatedAt *time.Time `json:"created_at"`
ResourceType string `json:"resource_type"`
ResourceID int `json:"resource_id"`
User user `json:"user"`
Label label `json:"label"`
}
func convertLabelEvents(src []*labelEvent) []*scm.ListedIssueEvent {
var answer []*scm.ListedIssueEvent
for _, from := range src {
answer = append(answer, convertLabelEvent(from))
}
return answer
}
func convertLabelEvent(from *labelEvent) *scm.ListedIssueEvent {
event := "labeled"
if from.Action == "remove" {
event = "unlabeled"
}
return &scm.ListedIssueEvent{
Event: event,
Actor: *convertUser(&from.User),
Label: *convertLabel(&from.Label),
Created: *from.CreatedAt,
}
}