feat: add support for project feature flags

gitlab.go

@@ -171,6 +171,7 @@ type Client struct {
 	ProjectAccessTokens     *ProjectAccessTokensService
 	ProjectBadges           *ProjectBadgesService
 	ProjectCluster          *ProjectClustersService
+	ProjectFeatureFlags     *ProjectFeatureFlagService
 	ProjectImportExport     *ProjectImportExportService
 	ProjectIterations       *ProjectIterationsService
 	ProjectMembers          *ProjectMembersService
@@ -374,6 +375,7 @@ func newClient(options ...ClientOptionFunc) (*Client, error) {
 	c.ProjectAccessTokens = &ProjectAccessTokensService{client: c}
 	c.ProjectBadges = &ProjectBadgesService{client: c}
 	c.ProjectCluster = &ProjectClustersService{client: c}
+	c.ProjectFeatureFlags = &ProjectFeatureFlagService{client: c}
 	c.ProjectImportExport = &ProjectImportExportService{client: c}
 	c.ProjectIterations = &ProjectIterationsService{client: c}
 	c.ProjectMembers = &ProjectMembersService{client: c}

project_feature_flags.go

@@ -0,0 +1,210 @@
+package gitlab
+
+import (
+    "fmt"
+    "net/http"
+    "time"
+)
+
+// ProjectFeatureFlagService handles operations on gitlab project feature flags using the following api:
+// GitLab API docs: https://docs.gitlab.com/ee/api/feature_flags.html
+type ProjectFeatureFlagService struct {
+    client *Client
+}
+
+// ProjectFeatureFlag represents a GitLab project iteration.
+//
+// GitLab API docs: https://docs.gitlab.com/ee/api/feature_flags.html
+type ProjectFeatureFlag struct {
+    Name        string                       `json:"name"`
+    Description string                       `json:"description"`
+    Active      bool                         `json:"active"`
+    Version     string                       `json:"version"`
+    CreatedAt   *time.Time                   `json:"created_at"`
+    UpdatedAt   *time.Time                   `json:"updated_at"`
+    Scopes      []ProjectFeatureFlagScope    `json:"scopes"`
+    Strategies  []ProjectFeatureFlagStrategy `json:"strategies"`
+}
+
+// ProjectFeatureFlagScope defines the scopes of a feature flag
+type ProjectFeatureFlagScope struct {
+    ID               int    `json:"id"`
+    EnvironmentScope string `json:"environment_scope"`
+}
+
+// ProjectFeatureFlagStrategy defines the strategy used for a feature flag
+type ProjectFeatureFlagStrategy struct {
+    ID         int                                 `json:"id"`
+    Name       string                              `json:"name"`
+    Parameters ProjectFeatureFlagStrategyParameter `json:"parameters"`
+    Scopes     []ProjectFeatureFlagScope           `json:"scopes"`
+}
+
+// ProjectFeatureFlagStrategyParameter is used in updating and creating feature flags
+type ProjectFeatureFlagStrategyParameter struct {
+    GroupID    *string `json:"groupId,omitempty"`
+    UserIDs    *string `json:"userIds,omitempty"`
+    Percentage *string `json:"percentage,omitempty"`
+}
+
+// UpdateProjectFeatureFlagOptions is used to specify the values when updating feature flags
+type UpdateProjectFeatureFlagOptions struct {
+    Name        string  `json:"name,omitempty"`
+    Description *string `json:"description,omitempty"`
+    Active      *bool   `json:"active,omitempty"`
+    Strategies  []*FeatureFlagStrategy `json:"strategies,omitempty"`
+}
+
+
+// FeatureFlagStrategy represents a strategy for a feature flag
+type FeatureFlagStrategy struct {
+    Name       string                              `json:"Name,omitempty"`
+    Parameters ProjectFeatureFlagStrategyParameter `json:"parameters,omitempty"`
+    Scopes     []ProjectFeatureFlagScope           `json:"scopes,omitempty"`
+}
+
+// CreateProjectFeatureFlagOptions contains the options that can be specified when creating feature flags
+type CreateProjectFeatureFlagOptions struct {
+    Name        string  `json:"name"`
+    Description *string `json:"description,omitempty"`
+    Version     *string `json:"version,omitempty"`
+    Active      *bool   `json:"active,omitempty"`
+    Strategies  []*FeatureFlagStrategy `json:"strategies,omitempty"`
+}
+
+func (i ProjectFeatureFlag) String() string {
+    return Stringify(i)
+}
+
+// ListProjectFeatureFlagOptions contains the options for ListProjectFeatureFlags
+//
+// GitLab API docs:
+// https://docs.gitlab.com/ee/api/feature_flags.html#list-feature-flags-for-a-project
+type ListProjectFeatureFlagOptions struct {
+    ListOptions
+    Scope *string `url:"scope,omitempty" json:"scope,omitempty"`
+}
+
+// ListProjectFeatureFlags returns a list with the feature flags of a project.
+//
+// GitLab API docs:
+// https://docs.gitlab.com/ee/api/feature_flags.html#list-feature-flags-for-a-project
+func (s *ProjectFeatureFlagService) ListProjectFeatureFlags(pid interface{}, opt *ListProjectFeatureFlagOptions, options ...RequestOptionFunc) ([]*ProjectFeatureFlag, *Response, error) {
+    project, err := parseID(pid)
+    if err != nil {
+        return nil, nil, err
+    }
+    u := fmt.Sprintf("projects/%s/feature_flags", PathEscape(project))
+
+    req, err := s.client.NewRequest(http.MethodGet, u, opt, options)
+    if err != nil {
+        return nil, nil, err
+    }
+
+    var pis []*ProjectFeatureFlag
+    resp, err := s.client.Do(req, &pis)
+    if err != nil {
+        return nil, resp, err
+    }
+
+    return pis, resp, err
+}
+
+// GetProjectFeatureFlag gets a single feature flag for the specified project.
+//
+// GitLab API docs:
+// https://docs.gitlab.com/ee/api/feature_flags.html#get-a-single-feature-flag
+func (s *ProjectFeatureFlagService) GetProjectFeatureFlag(pid interface{}, name string, options ...RequestOptionFunc) (*ProjectFeatureFlag, *Response, error) {
+    project, err := parseID(pid)
+    if err != nil {
+        return nil, nil, err
+    }
+    u := fmt.Sprintf("projects/%s/feature_flags/%s", PathEscape(project), name)
+
+    req, err := s.client.NewRequest(http.MethodGet, u, nil, options)
+    if err != nil {
+        return nil, nil, err
+    }
+
+    b := new(ProjectFeatureFlag)
+    resp, err := s.client.Do(req, b)
+    if err != nil {
+        return nil, resp, err
+    }
+
+    return b, resp, err
+}
+
+// CreateProjectFeatureFlag creates a feature flag
+//
+// Gitlab API docs:
+// https://docs.gitlab.com/ee/api/feature_flags.html#create-a-feature-flag
+func (s *ProjectFeatureFlagService) CreateProjectFeatureFlag(pid interface{}, opt *CreateProjectFeatureFlagOptions, options ...RequestOptionFunc) (*ProjectFeatureFlag, *Response, error) {
+    project, err := parseID(pid)
+    if err != nil {
+        return nil, nil, err
+    }
+    u := fmt.Sprintf("projects/%s/feature_flags",
+        PathEscape(project),
+    )
+
+    req, err := s.client.NewRequest(http.MethodPost, u, opt, options)
+    if err != nil {
+        return nil, nil, err
+    }
+
+    var flag ProjectFeatureFlag
+    resp, err := s.client.Do(req, &flag)
+    if err != nil {
+        return &flag, resp, err
+    }
+
+    return &flag, resp, err
+}
+
+// UpdateProjectFeatureFlag updates a feature flag
+//
+// Gitlab API docs:
+// https://docs.gitlab.com/ee/api/feature_flags.html#update-a-feature-flag
+func (s *ProjectFeatureFlagService) UpdateProjectFeatureFlag(pid interface{}, name string, opt *UpdateProjectFeatureFlagOptions, options ...RequestOptionFunc) (*ProjectFeatureFlag, *Response, error) {
+    group, err := parseID(pid)
+    if err != nil {
+        return nil, nil, err
+    }
+    u := fmt.Sprintf("projects/%s/feature_flags/%s",
+        PathEscape(group),
+        name,
+    )
+
+    req, err := s.client.NewRequest(http.MethodPut, u, opt, options)
+    if err != nil {
+        return nil, nil, err
+    }
+
+    var flag ProjectFeatureFlag
+    resp, err := s.client.Do(req, &flag)
+    if err != nil {
+        return &flag, resp, err
+    }
+
+    return &flag, resp, err
+}
+
+// DeleteProjectFeatureFlag deletes a feature flag
+//
+// Gitlab API docs:
+// https://docs.gitlab.com/ee/api/feature_flags.html#delete-a-feature-flag
+func (s *ProjectFeatureFlagService) DeleteProjectFeatureFlag(pid interface{}, name string, options ...RequestOptionFunc) (*Response, error) {
+    project, err := parseID(pid)
+    if err != nil {
+        return nil, err
+    }
+    u := fmt.Sprintf("projects/%s/feature_flags/%s", PathEscape(project), name)
+
+    req, err := s.client.NewRequest(http.MethodDelete, u, nil, options)
+    if err != nil {
+        return nil, err
+    }
+
+    return s.client.Do(req, nil)
+}