add grafana package & temporary debug checks

pkg/grafana/dashboard.go

@@ -0,0 +1,60 @@
+package grafana
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"time"
+)
+
+type DashboardVersion struct {
+	ID            uint      `json:"id"`
+	DashboardID   uint      `json:"dashboardId"`
+	ParentVersion uint      `json:"parentVersion"`
+	RestoredFrom  uint      `json:"restoredFrom"`
+	Version       uint      `json:"version"`
+	Created       time.Time `json:"created"`
+	CreatedBy     string    `json:"createdBy"`
+	Message       string    `json:"message"`
+}
+
+func queryParams(params ...QueryParam) url.Values {
+	u := url.URL{}
+	q := u.Query()
+	for _, p := range params {
+		p(&q)
+	}
+	return q
+}
+
+func (c *Client) GetDashboardVersionsByDashboardID(ctx context.Context, dashboardID uint, params ...QueryParam) ([]DashboardVersion, error) {
+	var (
+		raw  []byte
+		code int
+		err  error
+	)
+
+	if raw, code, err = c.get(ctx, fmt.Sprintf("api/dashboards/id/%d/versions", dashboardID), queryParams(params...)); err != nil {
+		return nil, err
+	}
+	if code != 200 {
+		return nil, fmt.Errorf("HTTP error %d: returns %s", code, raw)
+	}
+	var versions []DashboardVersion
+	err = json.Unmarshal(raw, &versions)
+
+	return versions, err
+}
+
+func (c *Client) SearchDashboards(ctx context.Context, query string, starred bool, tags ...string) ([]FoundBoard, error) {
+	params := []SearchParam{
+		SearchType(SearchTypeDashboard),
+		SearchQuery(query),
+		SearchStarred(starred),
+	}
+	for _, tag := range tags {
+		params = append(params, SearchTag(tag))
+	}
+	return c.Search(ctx, params...)
+}