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dashboards.go
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dashboards.go
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package models
import (
"errors"
"strings"
"time"
"github.com/gosimple/slug"
"github.com/grafana/grafana/pkg/components/simplejson"
)
// Typed errors
var (
ErrDashboardNotFound = errors.New("Dashboard not found")
ErrDashboardSnapshotNotFound = errors.New("Dashboard snapshot not found")
ErrDashboardWithSameNameExists = errors.New("A dashboard with the same name already exists")
ErrDashboardVersionMismatch = errors.New("The dashboard has been changed by someone else")
ErrDashboardTitleEmpty = errors.New("Dashboard title cannot be empty")
)
type UpdatePluginDashboardError struct {
PluginId string
}
func (d UpdatePluginDashboardError) Error() string {
return "Dashboard belong to plugin"
}
var (
DashTypeJson = "file"
DashTypeDB = "db"
DashTypeScript = "script"
DashTypeSnapshot = "snapshot"
)
// Dashboard model
type Dashboard struct {
Id int64
Slug string
OrgId int64
GnetId int64
Version int
PluginId string
Created time.Time
Updated time.Time
UpdatedBy int64
CreatedBy int64
Title string
Data *simplejson.Json
}
// NewDashboard creates a new dashboard
func NewDashboard(title string) *Dashboard {
dash := &Dashboard{}
dash.Data = simplejson.New()
dash.Data.Set("title", title)
dash.Title = title
dash.Created = time.Now()
dash.Updated = time.Now()
dash.UpdateSlug()
return dash
}
// GetTags turns the tags in data json into go string array
func (dash *Dashboard) GetTags() []string {
return dash.Data.Get("tags").MustStringArray()
}
func NewDashboardFromJson(data *simplejson.Json) *Dashboard {
dash := &Dashboard{}
dash.Data = data
dash.Title = dash.Data.Get("title").MustString()
dash.UpdateSlug()
if id, err := dash.Data.Get("id").Float64(); err == nil {
dash.Id = int64(id)
if version, err := dash.Data.Get("version").Float64(); err == nil {
dash.Version = int(version)
dash.Updated = time.Now()
}
} else {
dash.Data.Set("version", 0)
dash.Created = time.Now()
dash.Updated = time.Now()
}
if gnetId, err := dash.Data.Get("gnetId").Float64(); err == nil {
dash.GnetId = int64(gnetId)
}
return dash
}
// GetDashboardModel turns the command into the savable model
func (cmd *SaveDashboardCommand) GetDashboardModel() *Dashboard {
dash := NewDashboardFromJson(cmd.Dashboard)
userId := cmd.UserId
if userId == 0 {
userId = -1
}
if dash.Data.Get("version").MustInt(0) == 0 {
dash.CreatedBy = userId
}
dash.UpdatedBy = userId
dash.OrgId = cmd.OrgId
dash.PluginId = cmd.PluginId
dash.UpdateSlug()
return dash
}
// GetString a
func (dash *Dashboard) GetString(prop string, defaultValue string) string {
return dash.Data.Get(prop).MustString(defaultValue)
}
// UpdateSlug updates the slug
func (dash *Dashboard) UpdateSlug() {
title := strings.ToLower(dash.Data.Get("title").MustString())
dash.Slug = slug.Make(title)
}
//
// COMMANDS
//
type SaveDashboardCommand struct {
Dashboard *simplejson.Json `json:"dashboard" binding:"Required"`
UserId int64 `json:"userId"`
Overwrite bool `json:"overwrite"`
Message string `json:"message"`
OrgId int64 `json:"-"`
RestoredFrom int `json:"-"`
PluginId string `json:"-"`
Result *Dashboard
}
type DeleteDashboardCommand struct {
Slug string
OrgId int64
}
//
// QUERIES
//
type GetDashboardQuery struct {
Slug string // required if no Id is specified
Id int64 // optional if slug is set
OrgId int64
Result *Dashboard
}
type DashboardTagCloudItem struct {
Term string `json:"term"`
Count int `json:"count"`
}
type GetDashboardTagsQuery struct {
OrgId int64
Result []*DashboardTagCloudItem
}
type GetDashboardsQuery struct {
DashboardIds []int64
Result []*Dashboard
}
type GetDashboardsByPluginIdQuery struct {
OrgId int64
PluginId string
Result []*Dashboard
}
type GetDashboardSlugByIdQuery struct {
Id int64
Result string
}