github.com/e154/smart-home@v0.17.2-0.20240311175135-e530a6e5cd45/system/gate/server/controllers/index.go (about)

     1  // This file is part of the Smart Home
     2  // Program complex distribution https://github.com/e154/smart-home
     3  // Copyright (C) 2016-2023, Filippov Alex
     4  //
     5  // This library is free software: you can redistribute it and/or
     6  // modify it under the terms of the GNU Lesser General Public
     7  // License as published by the Free Software Foundation; either
     8  // version 3 of the License, or (at your option) any later version.
     9  //
    10  // This library is distributed in the hope that it will be useful,
    11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    13  // Library General Public License for more details.
    14  //
    15  // You should have received a copy of the GNU Lesser General Public
    16  // License along with this library.  If not, see
    17  // <https://www.gnu.org/licenses/>.
    18  
    19  package controllers
    20  
    21  import (
    22  	"encoding/json"
    23  	"fmt"
    24  	"html/template"
    25  	"io/fs"
    26  	"net/http"
    27  
    28  	"github.com/e154/smart-home/version"
    29  )
    30  
    31  // ControllerIndex ...
    32  type ControllerIndex struct {
    33  	*ControllerCommon
    34  }
    35  
    36  // NewControllerIndex ...
    37  func NewControllerIndex(common *ControllerCommon) *ControllerIndex {
    38  	return &ControllerIndex{
    39  		ControllerCommon: common,
    40  	}
    41  }
    42  
    43  // Index ...
    44  func (c ControllerIndex) Index(publicAssets fs.FS) http.Handler {
    45  	serverVersion, _ := json.Marshal(version.GetVersion())
    46  	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
    47  		b := map[string]interface{}{
    48  			"run_mode":       c.ControllerCommon.Mode,
    49  			"server_version": string(serverVersion),
    50  		}
    51  		templates := template.Must(template.New("index").ParseFS(publicAssets, "index.html"))
    52  
    53  		err := templates.ExecuteTemplate(w, "index.html", &b)
    54  		if err != nil {
    55  			http.Error(w, fmt.Sprintf("index: couldn't parse template: %v", err), http.StatusInternalServerError)
    56  			return
    57  		}
    58  	})
    59  }