66 lines
1.2 KiB
Go
66 lines
1.2 KiB
Go
package ui
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import (
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"bytes"
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"embed"
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"encoding/json"
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"io/fs"
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"net/http"
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"code.thetadev.de/TSGRain/WebUI/src/server/middleware"
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"code.thetadev.de/TSGRain/WebUI/src/util"
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"github.com/gin-gonic/gin"
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)
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const distDir = "dist"
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//go:embed dist/**
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var assets embed.FS
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type uiConfig struct {
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Version string `json:"version"`
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NZones int32 `json:"n_zones"`
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}
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func subFS(fsys fs.FS, dir string) fs.FS {
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sub, err := fs.Sub(fsys, dir)
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if err != nil {
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panic(err)
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}
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return sub
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}
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func distFS() fs.FS {
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return subFS(assets, distDir)
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}
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func Register(r gin.IRouter, nZones int32) {
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indexHandler := getIndexHandler(nZones)
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uiAssets := r.Group("/assets", middleware.Cache)
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r.GET("/", indexHandler)
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r.GET("/index.html", indexHandler)
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uiAssets.StaticFS("/", http.FS(subFS(distFS(), "assets")))
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}
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func getIndexHandler(nZones int32) gin.HandlerFunc {
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content, err := fs.ReadFile(distFS(), "index.html")
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if err != nil {
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panic(err)
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}
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uiConfigBytes, err := json.Marshal(uiConfig{
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Version: util.Version(),
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NZones: nZones,
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})
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if err != nil {
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panic(err)
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}
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content = bytes.ReplaceAll(content, []byte("\"%CONFIG%\""), uiConfigBytes)
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return func(c *gin.Context) {
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c.Data(200, "text/html", content)
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}
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}
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