Add support for getting DORA metrics from projects and groups

dora_metrics.go

@@ -0,0 +1,110 @@
+//
+// Copyright 2021, Sander van Harmelen
+//
+// 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/http"
+)
+
+// DORAMetricsService handles communication with the DORA metrics related methods
+// of the GitLab API.
+//
+// Gitlab API docs: https://docs.gitlab.com/ee/api/dora/metrics.html
+type DORAMetricsService struct {
+	client *Client
+}
+
+// DORAMetric represents a single DORA metric data point.
+//
+// Gitlab API docs: https://docs.gitlab.com/ee/api/dora/metrics.html
+type DORAMetric struct {
+	Date  string  `json:"date"`
+	Value float64 `json:"value"`
+}
+
+// Gets a string representation of a DORAMetric data point
+//
+// GitLab API docs: https://docs.gitlab.com/ee/api/dora/metrics.html
+func (m DORAMetric) String() string {
+	return Stringify(m)
+}
+
+// GetDORAMetricsOptions represent the request body options for getting
+// DORA metrics
+//
+// GitLab API docs: https://docs.gitlab.com/ee/api/dora/metrics.html
+type GetDORAMetricsOptions struct {
+	Metric           *DORAMetricType     `url:"metric,omitempty" json:"metric,omitempty"`
+	EndDate          *ISOTime            `url:"end_date,omitempty" json:"end_date,omitempty"`
+	EnvironmentTiers *[]string           `url:"environment_tiers,comma,omitempty" json:"environment_tiers,omitempty"`
+	Interval         *DORAMetricInterval `url:"interval,omitempty" json:"interval,omitempty"`
+	StartDate        *ISOTime            `url:"start_date,omitempty" json:"start_date,omitempty"`
+
+	// Deprecated, use environment tiers instead
+	EnvironmentTier *string `url:"environment_tier,omitempty" json:"environment_tier,omitempty"`
+}
+
+// GetProjectDORAMetrics gets the DORA metrics for a project.
+//
+// GitLab API Docs:
+// https://docs.gitlab.com/ee/api/dora/metrics.html#get-project-level-dora-metrics
+func (s *DORAMetricsService) GetProjectDORAMetrics(pid interface{}, opt GetDORAMetricsOptions, options ...RequestOptionFunc) ([]DORAMetric, *Response, error) {
+	project, err := parseID(pid)
+	if err != nil {
+		return nil, nil, err
+	}
+	u := fmt.Sprintf("projects/%s/dora/metrics", PathEscape(project))
+
+	req, err := s.client.NewRequest(http.MethodGet, u, opt, options)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	var metrics []DORAMetric
+	resp, err := s.client.Do(req, &metrics)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return metrics, resp, err
+}
+
+// GetGroupDORAMetrics gets the DORA metrics for a group.
+//
+// GitLab API Docs:
+// https://docs.gitlab.com/ee/api/dora/metrics.html#get-group-level-dora-metrics
+func (s *DORAMetricsService) GetGroupDORAMetrics(gid interface{}, opt GetDORAMetricsOptions, options ...RequestOptionFunc) ([]DORAMetric, *Response, error) {
+	group, err := parseID(gid)
+	if err != nil {
+		return nil, nil, err
+	}
+	u := fmt.Sprintf("groups/%s/dora/metrics", PathEscape(group))
+
+	req, err := s.client.NewRequest(http.MethodGet, u, opt, options)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	var metrics []DORAMetric
+	resp, err := s.client.Do(req, &metrics)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return metrics, resp, err
+}

dora_metrics_test.go

@@ -0,0 +1,118 @@
+package gitlab
+
+import (
+	"fmt"
+	"net/http"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestDORAMetrics_GetProjectDORAMetrics(t *testing.T) {
+	mux, client := setup(t)
+
+	mux.HandleFunc("/api/v4/projects/1/dora/metrics", func(w http.ResponseWriter, r *http.Request) {
+		testMethod(t, r, http.MethodGet)
+		query := r.URL.Query()
+		for k, v := range map[string]string{
+			"metric":     "deployment_frequency",
+			"start_date": "2021-03-01",
+			"end_date":   "2021-03-08",
+		} {
+			if query.Get(k) != v {
+				t.Errorf("Query parameter %s: %s, want %s", k, query.Get(k), v)
+			}
+		}
+
+		fmt.Fprint(w, `
+			[
+				{ "date": "2021-03-01", "value": 3 },
+				{ "date": "2021-03-02", "value": 6 },
+				{ "date": "2021-03-03", "value": 0 },
+				{ "date": "2021-03-04", "value": 0 },
+				{ "date": "2021-03-05", "value": 0 },
+				{ "date": "2021-03-06", "value": 0 },
+				{ "date": "2021-03-07", "value": 0 },
+				{ "date": "2021-03-08", "value": 4 }
+			]
+		`)
+	})
+
+	want := []DORAMetric{
+		{Date: "2021-03-01", Value: 3},
+		{Date: "2021-03-02", Value: 6},
+		{Date: "2021-03-03", Value: 0},
+		{Date: "2021-03-04", Value: 0},
+		{Date: "2021-03-05", Value: 0},
+		{Date: "2021-03-06", Value: 0},
+		{Date: "2021-03-07", Value: 0},
+		{Date: "2021-03-08", Value: 4},
+	}
+
+	startDate := ISOTime(time.Date(2021, time.March, 1, 0, 0, 0, 0, time.UTC))
+	endDate := ISOTime(time.Date(2021, time.March, 8, 0, 0, 0, 0, time.UTC))
+
+	d, resp, err := client.DORAMetrics.GetProjectDORAMetrics(1, GetDORAMetricsOptions{
+		Metric:    Ptr(DORAMetricDeploymentFrequency),
+		StartDate: &startDate,
+		EndDate:   &endDate,
+	})
+	require.NoError(t, err)
+	require.NotNil(t, resp)
+	require.Equal(t, want, d)
+}
+
+func TestDORAMetrics_GetGroupDORAMetrics(t *testing.T) {
+	mux, client := setup(t)
+
+	mux.HandleFunc("/api/v4/groups/1/dora/metrics", func(w http.ResponseWriter, r *http.Request) {
+		testMethod(t, r, http.MethodGet)
+		query := r.URL.Query()
+		for k, v := range map[string]string{
+			"metric":     "deployment_frequency",
+			"start_date": "2021-03-01",
+			"end_date":   "2021-03-08",
+		} {
+			if query.Get(k) != v {
+				t.Errorf("Query parameter %s: %s, want %s", k, query.Get(k), v)
+			}
+		}
+
+		fmt.Fprint(w, `
+			[
+				{ "date": "2021-03-01", "value": 3 },
+				{ "date": "2021-03-02", "value": 6 },
+				{ "date": "2021-03-03", "value": 0 },
+				{ "date": "2021-03-04", "value": 0 },
+				{ "date": "2021-03-05", "value": 0 },
+				{ "date": "2021-03-06", "value": 0 },
+				{ "date": "2021-03-07", "value": 0 },
+				{ "date": "2021-03-08", "value": 4 }
+			]
+		`)
+	})
+
+	want := []DORAMetric{
+		{Date: "2021-03-01", Value: 3},
+		{Date: "2021-03-02", Value: 6},
+		{Date: "2021-03-03", Value: 0},
+		{Date: "2021-03-04", Value: 0},
+		{Date: "2021-03-05", Value: 0},
+		{Date: "2021-03-06", Value: 0},
+		{Date: "2021-03-07", Value: 0},
+		{Date: "2021-03-08", Value: 4},
+	}
+
+	startDate := ISOTime(time.Date(2021, time.March, 1, 0, 0, 0, 0, time.UTC))
+	endDate := ISOTime(time.Date(2021, time.March, 8, 0, 0, 0, 0, time.UTC))
+
+	d, resp, err := client.DORAMetrics.GetGroupDORAMetrics(1, GetDORAMetricsOptions{
+		Metric:    Ptr(DORAMetricDeploymentFrequency),
+		StartDate: &startDate,
+		EndDate:   &endDate,
+	})
+	require.NoError(t, err)
+	require.NotNil(t, resp)
+	require.Equal(t, want, d)
+}

gitlab.go

@@ -124,6 +124,7 @@ type Client struct {
 	Deployments                  *DeploymentsService
 	Discussions                  *DiscussionsService
 	DockerfileTemplate           *DockerfileTemplatesService
+	DORAMetrics                  *DORAMetricsService
 	DraftNotes                   *DraftNotesService
 	Environments                 *EnvironmentsService
 	EpicIssues                   *EpicIssuesService
@@ -358,6 +359,7 @@ func newClient(options ...ClientOptionFunc) (*Client, error) {
 	c.Deployments = &DeploymentsService{client: c}
 	c.Discussions = &DiscussionsService{client: c}
 	c.DockerfileTemplate = &DockerfileTemplatesService{client: c}
+	c.DORAMetrics = &DORAMetricsService{client: c}
 	c.DraftNotes = &DraftNotesService{client: c}
 	c.Environments = &EnvironmentsService{client: c}
 	c.EpicIssues = &EpicIssuesService{client: c}