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dashboard.go
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dashboard.go
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package api
import (
"encoding/json"
"os"
"path"
"github.com/grafana/grafana/pkg/api/dtos"
"github.com/grafana/grafana/pkg/bus"
"github.com/grafana/grafana/pkg/metrics"
"github.com/grafana/grafana/pkg/middleware"
m "github.com/grafana/grafana/pkg/models"
"github.com/grafana/grafana/pkg/setting"
"github.com/grafana/grafana/pkg/util"
)
func isDasboardStarredByUser(c *middleware.Context, dashId int64) (bool, error) {
if !c.IsSignedIn {
return false, nil
}
query := m.IsStarredByUserQuery{UserId: c.UserId, DashboardId: dashId}
if err := bus.Dispatch(&query); err != nil {
return false, err
}
return query.Result, nil
}
func GetDashboard(c *middleware.Context) {
metrics.M_Api_Dashboard_Get.Inc(1)
slug := c.Params(":slug")
query := m.GetDashboardQuery{Slug: slug, OrgId: c.OrgId}
err := bus.Dispatch(&query)
if err != nil {
c.JsonApiErr(404, "Dashboard not found", nil)
return
}
isStarred, err := isDasboardStarredByUser(c, query.Result.Id)
if err != nil {
c.JsonApiErr(500, "Error while checking if dashboard was starred by user", err)
return
}
dash := query.Result
dto := dtos.Dashboard{
Model: dash.Data,
Meta: dtos.DashboardMeta{IsStarred: isStarred, Slug: slug},
}
c.JSON(200, dto)
}
func DeleteDashboard(c *middleware.Context) {
slug := c.Params(":slug")
query := m.GetDashboardQuery{Slug: slug, OrgId: c.OrgId}
if err := bus.Dispatch(&query); err != nil {
c.JsonApiErr(404, "Dashboard not found", nil)
return
}
cmd := m.DeleteDashboardCommand{Slug: slug, OrgId: c.OrgId}
if err := bus.Dispatch(&cmd); err != nil {
c.JsonApiErr(500, "Failed to delete dashboard", err)
return
}
var resp = map[string]interface{}{"title": query.Result.Title}
c.JSON(200, resp)
}
func PostDashboard(c *middleware.Context, cmd m.SaveDashboardCommand) {
cmd.OrgId = c.OrgId
err := bus.Dispatch(&cmd)
if err != nil {
if err == m.ErrDashboardWithSameNameExists {
c.JSON(412, util.DynMap{"status": "name-exists", "message": err.Error()})
return
}
if err == m.ErrDashboardVersionMismatch {
c.JSON(412, util.DynMap{"status": "version-mismatch", "message": err.Error()})
return
}
c.JsonApiErr(500, "Failed to save dashboard", err)
return
}
metrics.M_Api_Dashboard_Post.Inc(1)
c.JSON(200, util.DynMap{"status": "success", "slug": cmd.Result.Slug, "version": cmd.Result.Version})
}
func GetHomeDashboard(c *middleware.Context) {
filePath := path.Join(setting.StaticRootPath, "dashboards/home.json")
file, err := os.Open(filePath)
if err != nil {
c.JsonApiErr(500, "Failed to load home dashboard", err)
return
}
dash := dtos.Dashboard{}
dash.Meta.IsHome = true
jsonParser := json.NewDecoder(file)
if err := jsonParser.Decode(&dash.Model); err != nil {
c.JsonApiErr(500, "Failed to load home dashboard", err)
return
}
c.JSON(200, &dash)
}