74 lines
1.5 KiB
Go
74 lines
1.5 KiB
Go
package main
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import (
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// External
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"git.ahall.se/go/html_template"
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// Standard
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"encoding/json"
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"fmt"
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"io/fs"
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"net/http"
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"strconv"
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)
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var (
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engine HTMLTemplate.Engine
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)
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func initWebserver() (err error) {
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address := fmt.Sprintf("%s:%d", config.Network.Address, config.Network.Port)
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logger.Info("webserver", "listen", address)
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subViewFS, _ := fs.Sub(viewFS, "views")
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subStaticFS, _ := fs.Sub(staticFS, "static")
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engine, err = HTMLTemplate.NewEngine(subViewFS, subStaticFS, flagDev)
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if err != nil {
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return
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}
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http.HandleFunc("/", pageIndex)
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http.HandleFunc("/app", pageApp)
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http.HandleFunc("/nodes/tree/{startNode}", actionNodesTree)
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err = http.ListenAndServe(address, nil)
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return
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}
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func pageIndex(w http.ResponseWriter, r *http.Request) { // {{{
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if r.URL.Path == "/" {
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http.Redirect(w, r, "/app", http.StatusSeeOther)
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} else {
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engine.StaticResource(w, r)
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}
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} // }}}
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func pageApp(w http.ResponseWriter, r *http.Request) { // {{{
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page := NewPage("app")
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err := engine.Render(page, w, r)
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if err != nil {
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w.Write([]byte(err.Error()))
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}
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} // }}}
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func actionNodesTree(w http.ResponseWriter, r *http.Request) { // {{{
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var err error
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startNode := 0
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startNodeStr := r.PathValue("startNode")
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startNode, _ = strconv.Atoi(startNodeStr)
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var maxDepth int
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if maxDepth, err = strconv.Atoi(r.URL.Query().Get("depth")); err != nil {
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maxDepth = 3
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}
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topNode, err := GetNode(startNode, maxDepth)
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if err != nil {
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logger.Error("test", "error", err)
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}
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j, _ := json.Marshal(topNode)
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w.Write(j)
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} // }}}
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