89 lines
1.8 KiB
Go
89 lines
1.8 KiB
Go
package page
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import (
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"fmt"
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"path"
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jsoniter "github.com/json-iterator/go"
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"github.com/yaoapp/gou"
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"github.com/yaoapp/kun/exception"
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"github.com/yaoapp/xiang/config"
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"github.com/yaoapp/xiang/share"
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"github.com/yaoapp/xiang/xlog"
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)
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// Pages 已载入页面
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var Pages = map[string]*Page{}
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// Load 加载页面
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func Load(cfg config.Config) {
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LoadFrom(path.Join(cfg.Root, "/kanban"), "")
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LoadFrom(path.Join(cfg.Root, "/screen"), "")
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LoadFrom(cfg.RootPage, "")
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}
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// LoadFrom 从特定目录加载
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func LoadFrom(dir string, prefix string) {
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if share.DirNotExists(dir) {
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return
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}
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share.Walk(dir, ".json", func(root, filename string) {
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name := prefix + share.SpecName(root, filename)
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content := share.ReadFile(filename)
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_, err := LoadPage(content, name)
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if err != nil {
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exception.New("%s 页面格式错误", 400, name).Ctx(filename).Throw()
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}
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})
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// Load Script
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share.Walk(dir, ".js", func(root, filename string) {
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name := prefix + share.SpecName(root, filename)
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page := Select(name)
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if page != nil {
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script := share.ScriptName(filename)
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content := share.ReadFile(filename)
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page.LoadScript(string(content), script)
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}
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})
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}
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// LoadPage 载入页面
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func LoadPage(source []byte, name string) (*Page, error) {
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page := &Page{
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Flow: gou.Flow{
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Name: name,
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},
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}
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err := jsoniter.Unmarshal(source, page)
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if err != nil {
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xlog.Println(name)
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xlog.Println(err.Error())
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xlog.Println(string(source))
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return nil, err
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}
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page.Prepare()
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page.SetupAPIs()
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Pages[name] = page
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return page, nil
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}
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// Select 读取已加载页面
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func Select(name string) *Page {
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page, has := Pages[name]
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if !has {
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exception.New(
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fmt.Sprintf("Page:%s; 尚未加载", name),
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400,
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).Throw()
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}
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return page
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}
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// GetData 运行 flow 返回数值
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func (page Page) GetData(params map[string]interface{}) interface{} {
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return page.Flow.Exec(params)
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}
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