Add wikis api

Implements all methods of the Wikis API Introduced in GitLab 10.0.

https://docs.gitlab.com/ce/api/wikis.htmlSigned-off-by: Stany MARCEL <stanypub@gmail.com>

README.md

@@ -37,6 +37,7 @@ includes all calls to the following services:
 - [x] Settings
 - [x] Pipelines
 - [x] Version
+- [x] Wikis
 
 ## Usage
 

gitlab.go

@@ -190,6 +190,7 @@ type Client struct {
 	Todos                *TodosService
 	Users                *UsersService
 	Version              *VersionService
+	Wikis                *WikisService
 }
 
 // ListOptions specifies the optional parameters to various List methods that
@@ -260,6 +261,7 @@ func newClient(httpClient *http.Client, tokenType tokenType, token string) *Clie
 	c.Todos = &TodosService{client: c}
 	c.Users = &UsersService{client: c}
 	c.Version = &VersionService{client: c}
+	c.Wikis = &WikisService{client: c}
 
 	return c
 }

wikis.go

+// Copyright 2017, Stany MARCEL
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package gitlab
+
+import (
+	"fmt"
+	"net/url"
+)
+
+// WikisService handles communication with the wikis related methods of
+// the Gitlab API Introduced in GitLab 10.0.
+//
+// GitLab API docs: https://docs.gitlab.com/ce/api/wikis.html
+type WikisService struct {
+	client *Client
+}
+
+// WikiFormat represents the available formats that can be used for a wiki page
+//
+// GitLab API docs: https://docs.gitlab.com/ce/api/wikis.html
+type WikiFormat string
+
+// The available todo actions.
+const (
+	WikiFormatMarkdown WikiFormat = "markdown"
+	WikiFormatRFoc     WikiFormat = "rdoc"
+	WikiFormatASCIIDoc WikiFormat = "asciidoc"
+)
+
+// Wiki represents a GitLab wiki.
+//
+// GitLab API docs: https://docs.gitlab.com/ce/api/wikis.html
+type Wiki struct {
+	Content string     `json:"content"`
+	Format  WikiFormat `json:"format"`
+	Slug    string     `json:"slug"`
+	Title   string     `json:"title"`
+}
+
+func (t Wiki) String() string {
+	return Stringify(t)
+}
+
+// ListWikisOptions represents the available ListWikis() options.
+//
+// GitLab API docs: https://docs.gitlab.com/ce/api/wikis.html#get-a-list-of-wikis
+type ListWikisOptions struct {
+	WithContent *bool `url:"with_content,omitempty" json:"with_content,omitempty"`
+}
+
+// ListWikis lists all pages of the wiki of the given project id.
+// When with_content is set, it returns also the content of the pages.
+//
+// GitLab API docs: https://docs.gitlab.com/ce/api/wikis.html#list-wiki-pages
+func (s *WikisService) ListWikis(pid interface{}, opt *ListWikisOptions, options ...OptionFunc) ([]*Wiki, *Response, error) {
+	project, err := parseID(pid)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	u := fmt.Sprintf("projects/%s/wikis", url.QueryEscape(project))
+
+	req, err := s.client.NewRequest("GET", u, opt, options)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	var t []*Wiki
+	resp, err := s.client.Do(req, &t)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return t, resp, err
+}
+
+// GetWikiPage gets a wiki page for a given project.
+//
+// GitLab API docs: https://docs.gitlab.com/ce/api/wikis.html#get-a-wiki-page
+func (s *WikisService) GetWikiPage(pid interface{}, slug string, options ...OptionFunc) (*Wiki, *Response, error) {
+	project, err := parseID(pid)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	u := fmt.Sprintf("projects/%s/wikis/%s", url.QueryEscape(project), url.QueryEscape(slug))
+
+	req, err := s.client.NewRequest("GET", u, nil, options)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	var t *Wiki
+	resp, err := s.client.Do(req, &t)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return t, resp, err
+}
+
+// CreateNewWikiPageOptions represents options to CreateNewWikiPage
+//
+// GitLab API docs: https://docs.gitlab.com/ce/api/wikis.html#create-a-new-wiki-page
+type CreateNewWikiPageOptions struct {
+	Content *string `url:"content" json:"content"`
+	Title   *string `url:"title" json:"title"`
+	Format  *string `url:"format,omitempty" json:"format,omitempty"`
+}
+
+// CreateNewWikiPage creates a new wiki page for the given repository with the given title, slug, and content..
+//
+// GitLab API docs: https://docs.gitlab.com/ce/api/wikis.html#create-a-new-wiki-page
+func (s *WikisService) CreateNewWikiPage(pid interface{}, opt *CreateNewWikiPageOptions, options ...OptionFunc) (*Response, error) {
+	project, err := parseID(pid)
+	if err != nil {
+		return nil, err
+	}
+	u := fmt.Sprintf("projects/%s/wikis", url.QueryEscape(project))
+
+	req, err := s.client.NewRequest("POST", u, opt, options)
+	if err != nil {
+		return nil, err
+	}
+
+	return s.client.Do(req, nil)
+}
+
+// EditWikiPageOptions represents options to EditWikiPage
+//
+// GitLab API docs: https://docs.gitlab.com/ce/api/wikis.html#edit-an-existing-wiki-page
+type EditWikiPageOptions struct {
+	Content *string `url:"content" json:"content"`
+	Title   *string `url:"title" json:"title"`
+	Format  *string `url:"format,omitempty" json:"format,omitempty"`
+}
+
+// EditWikiPage Updates an existing wiki page. At least one parameter is required to update the wiki page.
+//
+// GitLab API docs: https://docs.gitlab.com/ce/api/wikis.html#edit-an-existing-wiki-page
+func (s *WikisService) EditWikiPage(pid interface{}, slug string, opt *EditWikiPageOptions, options ...OptionFunc) (*Response, error) {
+	project, err := parseID(pid)
+	if err != nil {
+		return nil, err
+	}
+	u := fmt.Sprintf("projects/%s/wikis/%s", url.QueryEscape(project), url.QueryEscape(slug))
+
+	req, err := s.client.NewRequest("PUT", u, opt, options)
+	if err != nil {
+		return nil, err
+	}
+
+	return s.client.Do(req, nil)
+}
+
+// DeleteWikiPage deletes a wiki page with a given slug.
+//
+// GitLab API docs: https://docs.gitlab.com/ce/api/wikis.html#delete-a-wiki-page
+func (s *WikisService) DeleteWikiPage(pid interface{}, slug string, options ...OptionFunc) (*Response, error) {
+	project, err := parseID(pid)
+	if err != nil {
+		return nil, err
+	}
+	u := fmt.Sprintf("projects/%s/wikis/%s", url.QueryEscape(project), url.QueryEscape(slug))
+
+	req, err := s.client.NewRequest("DELETE", u, nil, options)
+	if err != nil {
+		return nil, err
+	}
+
+	return s.client.Do(req, nil)
+}