yao/chart/chart.go
2021-10-19 10:48:02 +08:00

49 lines
1.1 KiB
Go

package chart
import (
jsoniter "github.com/json-iterator/go"
"github.com/yaoapp/kun/exception"
"github.com/yaoapp/xiang/config"
"github.com/yaoapp/xiang/share"
"github.com/yaoapp/xiang/xlog"
)
// Charts 已载入图表
var Charts = map[string]*Chart{}
// Load 加载数据表格
func Load(cfg config.Config) {
LoadFrom(cfg.RootChart, "")
}
// LoadFrom 从特定目录加载
func LoadFrom(dir string, prefix string) {
if share.DirNotExists(dir) {
return
}
share.Walk(dir, ".json", func(root, filename string) {
name := share.SpecName(root, filename)
content := share.ReadFile(filename)
chart, err := LoadChart(content, name)
if err != nil {
exception.New("%s 图表格式错误", 400, name).Ctx(filename).Throw()
}
Charts[name] = chart
})
}
// LoadChart 载入数据表格
func LoadChart(source []byte, name string) (*Chart, error) {
chart := Chart{}
err := jsoniter.Unmarshal(source, &chart)
if err != nil {
xlog.Println(name)
xlog.Println(err.Error())
xlog.Println(string(source))
return nil, err
}
chart.Prepare()
return &chart, nil
}