Adding Project Variable Support (#442)

* Adding Project Variable Support

* Adding missing semi-colons

gitlab.go

@@ -305,6 +305,7 @@ type Client struct {
 	Projects              *ProjectsService
 	ProjectMembers        *ProjectMembersService
 	ProjectSnippets       *ProjectSnippetsService
+	ProjectVariables      *ProjectVariablesService
 	ProtectedBranches     *ProtectedBranchesService
 	Repositories          *RepositoriesService
 	RepositoryFiles       *RepositoryFilesService
@@ -435,6 +436,7 @@ func newClient(httpClient *http.Client) *Client {
 	c.Projects = &ProjectsService{client: c}
 	c.ProjectMembers = &ProjectMembersService{client: c}
 	c.ProjectSnippets = &ProjectSnippetsService{client: c}
+	c.ProjectVariables = &ProjectVariablesService{client: c}
 	c.ProtectedBranches = &ProtectedBranchesService{client: c}
 	c.Repositories = &RepositoriesService{client: c}
 	c.RepositoryFiles = &RepositoryFilesService{client: c}

project_variables.go

+//
+// Copyright 2018, Patrick Webster
+//
+// 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"
+)
+
+// ProjectVariablesService handles communication with the
+// project variables related methods of the GitLab API.
+//
+// GitLab API docs:
+// https://docs.gitlab.com/ee/api/project_level_variables.html
+type ProjectVariablesService struct {
+	client *Client
+}
+
+// ProjectVariable represents a GitLab Project Variable.
+//
+// GitLab API docs:
+// https://docs.gitlab.com/ee/api/project_level_variables.html
+type ProjectVariable struct {
+	Key              string `json:"key"`
+	Value            string `json:"value"`
+	Protected        bool   `json:"protected"`
+	EnvironmentScope string `json:"environment_scope"`
+}
+
+func (v ProjectVariable) String() string {
+	return Stringify(v)
+}
+
+// ListProjectVariables gets a list of all variables in a project.
+//
+// GitLab API docs:
+// https://docs.gitlab.com/ee/api/project_level_variables.html#list-project-variables
+func (s *ProjectVariablesService) ListProjectVariables(pid interface{}, options ...OptionFunc) ([]*ProjectVariable, *Response, error) {
+	project, err := parseID(pid)
+	if err != nil {
+		return nil, nil, err
+	}
+	u := fmt.Sprintf("projects/%s/variables", url.QueryEscape(project))
+
+	req, err := s.client.NewRequest("GET", u, nil, options)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	var vs []*ProjectVariable
+	resp, err := s.client.Do(req, &vs)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return vs, resp, err
+}
+
+// ShowVariableDetails gets a variable.
+//
+// GitLab API docs:
+// https://docs.gitlab.com/ee/api/project_level_variables.html#show-variable-details
+func (s *ProjectVariablesService) ShowVariableDetails(pid interface{}, key string, options ...OptionFunc) (*ProjectVariable, *Response, error) {
+	project, err := parseID(pid)
+	if err != nil {
+		return nil, nil, err
+	}
+	u := fmt.Sprintf("projects/%s/variables/%s", url.QueryEscape(project), url.QueryEscape(key))
+
+	req, err := s.client.NewRequest("GET", u, nil, options)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	v := new(ProjectVariable)
+	resp, err := s.client.Do(req, v)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return v, resp, err
+}
+
+// CreateVariableOptions represents the available
+// CreateVariable() options.
+//
+// GitLab API docs:
+// https://docs.gitlab.com/ee/api/project_level_variables.html#create-variable
+type CreateVariableOptions struct {
+	Key              *string `url:"key,omitempty" json:"key,omitempty"`
+	Value            *string `url:"value,omitempty" json:"value,omitempty"`
+	Protected        *bool   `url:"protected,omitempty" json:"protected,omitempty"`
+	EnvironmentScope *string `url:"environment_scope,omitempty" json:"environment_scope,omitempty"`
+}
+
+// CreateVariable creates a new project variable.
+//
+// GitLab API docs:
+// https://docs.gitlab.com/ee/api/project_level_variables.html#create-variable
+func (s *ProjectVariablesService) CreateVariable(pid interface{}, opt *CreateVariableOptions, options ...OptionFunc) (*ProjectVariable, *Response, error) {
+	project, err := parseID(pid)
+	if err != nil {
+		return nil, nil, err
+	}
+	u := fmt.Sprintf("projects/%s/variables", url.QueryEscape(project))
+
+	req, err := s.client.NewRequest("POST", u, opt, options)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	v := new(ProjectVariable)
+	resp, err := s.client.Do(req, v)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return v, resp, err
+}
+
+// UpdateVariableOptions represents the available
+// UpdateVariable() options.
+//
+// GitLab API docs:
+// https://docs.gitlab.com/ee/api/project_level_variables.html#update-variable
+type UpdateVariableOptions struct {
+	Key              *string `url:"key,omitempty" json:"key,omitempty"`
+	Value            *string `url:"value,omitempty" json:"value,omitempty"`
+	Protected        *bool   `url:"protected,omitempty" json:"protected,omitempty"`
+	EnvironmentScope *string `url:"environment_scope,omitempty" json:"environment_scope,omitempty"`
+}
+
+// UpdateVariable updates the position of an existing
+// group issue board list.
+//
+// GitLab API docs:
+// https://docs.gitlab.com/ee/api/project_level_variables.html#update-variable
+func (s *ProjectVariablesService) UpdateVariable(pid interface{}, key string, opt *UpdateVariableOptions, options ...OptionFunc) (*ProjectVariable, *Response, error) {
+	project, err := parseID(pid)
+	if err != nil {
+		return nil, nil, err
+	}
+	u := fmt.Sprintf("projects/%s/variables/%s",
+		url.QueryEscape(project),
+		url.QueryEscape(key),
+	)
+
+	req, err := s.client.NewRequest("PUT", u, opt, options)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	v := new(ProjectVariable)
+	resp, err := s.client.Do(req, v)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return v, resp, err
+}
+
+// RemoveVariable removes a project's variable.
+//
+// GitLab API docs:
+// https://docs.gitlab.com/ee/api/project_level_variables.html#remove-variable
+func (s *ProjectVariablesService) RemoveVariable(pid interface{}, key string, options ...OptionFunc) (*Response, error) {
+	project, err := parseID(pid)
+	if err != nil {
+		return nil, err
+	}
+	u := fmt.Sprintf("projects/%s/variables/%s",
+		url.QueryEscape(project),
+		url.QueryEscape(key),
+	)
+
+	req, err := s.client.NewRequest("DELETE", u, nil, options)
+	if err != nil {
+		return nil, err
+	}
+
+	return s.client.Do(req, nil)
+}