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128 lines
3.1 KiB
Go
128 lines
3.1 KiB
Go
// Copyright 2017 Drone.IO Inc. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Package gitlab implements a GitLab client.
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package gitlab
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import (
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"bytes"
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"context"
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"encoding/json"
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"net/url"
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"strconv"
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"strings"
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"git.awesome-for.me/liuzhiguo/go-scm/scm"
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)
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// New returns a new GitLab API client.
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func New(uri string) (*scm.Client, error) {
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base, err := url.Parse(uri)
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if err != nil {
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return nil, err
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}
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if !strings.HasSuffix(base.Path, "/") {
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base.Path = base.Path + "/"
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}
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client := &wrapper{new(scm.Client)}
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client.BaseURL = base
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// initialize services
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client.Driver = scm.DriverGitlab
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client.Linker = &linker{base.String()}
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client.Contents = &contentService{client}
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client.Git = &gitService{client}
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client.Issues = &issueService{client}
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client.Organizations = &organizationService{client}
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client.Milestones = &milestoneService{client}
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client.PullRequests = &pullService{client}
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client.Repositories = &repositoryService{client}
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client.Releases = &releaseService{client}
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client.Reviews = &reviewService{client}
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client.Users = &userService{client}
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client.Webhooks = &webhookService{client}
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return client.Client, nil
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}
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// NewDefault returns a new GitLab API client using the
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// default gitlab.com address.
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func NewDefault() *scm.Client {
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client, _ := New("https://gitlab.com")
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return client
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}
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// wraper wraps the Client to provide high level helper functions
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// for making http requests and unmarshaling the response.
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type wrapper struct {
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*scm.Client
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}
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// do wraps the Client.Do function by creating the Request and
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// unmarshalling the response.
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func (c *wrapper) do(ctx context.Context, method, path string, in, out interface{}) (*scm.Response, error) {
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req := &scm.Request{
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Method: method,
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Path: path,
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}
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// if we are posting or putting data, we need to
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// write it to the body of the request.
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if in != nil {
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buf := new(bytes.Buffer)
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json.NewEncoder(buf).Encode(in)
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req.Header = map[string][]string{
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"Content-Type": {"application/json"},
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}
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req.Body = buf
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}
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// execute the http request
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res, err := c.Client.Do(ctx, req)
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if err != nil {
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return nil, err
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}
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defer res.Body.Close()
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// parse the gitlab request id.
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res.ID = res.Header.Get("X-Request-Id")
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// parse the gitlab rate limit details.
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res.Rate.Limit, _ = strconv.Atoi(
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res.Header.Get("RateLimit-Limit"),
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)
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res.Rate.Remaining, _ = strconv.Atoi(
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res.Header.Get("RateLimit-Remaining"),
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)
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res.Rate.Reset, _ = strconv.ParseInt(
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res.Header.Get("RateLimit-Reset"), 10, 64,
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)
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// snapshot the request rate limit
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c.Client.SetRate(res.Rate)
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// if an error is encountered, unmarshal and return the
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// error response.
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if res.Status > 300 {
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err := new(Error)
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json.NewDecoder(res.Body).Decode(err)
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return res, err
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}
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if out == nil {
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return res, nil
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}
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// if a json response is expected, parse and return
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// the json response.
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return res, json.NewDecoder(res.Body).Decode(out)
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}
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// Error represents a GitLab error.
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type Error struct {
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Message string `json:"message"`
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}
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func (e *Error) Error() string {
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return e.Message
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}
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