Files
Laterna/cmd/internal/http/server.go
T
2025-07-11 08:30:53 +02:00

95 lines
2.6 KiB
Go

package http
import (
"encoding/json"
"fmt"
"net/http"
"time"
"github.com/siestaw/laterna/server/cmd/internal/config"
"github.com/siestaw/laterna/server/cmd/internal/db"
"github.com/siestaw/laterna/server/cmd/internal/logger"
"github.com/siestaw/laterna/server/cmd/internal/models"
"github.com/siestaw/laterna/server/cmd/utils"
)
func StartHTTPServer() {
router := http.NewServeMux()
router.HandleFunc("GET /api/v1/id/{ID}", getCurrent)
router.HandleFunc("PUT /api/v1/id/{ID}", setCurrent)
if !db.ControllerExists(0) {
adminToken := db.CreateAdmin()
fmt.Println("IMPORTANT")
fmt.Println("- - - - - - - - - - - - - - - - - - ")
fmt.Println("ADMIN TOKEN:")
fmt.Printf("%s\n", adminToken)
fmt.Println("REGENERATE THE TOKEN BY RUNNING WITH -resetAdminToken")
fmt.Println("- - - - - - - - - - - - - - - - - - ")
}
port := config.AppConfig.HTTP.Port
logger.HTTPLogger.Printf("HTTP Server running on :%v", port)
http.ListenAndServe(fmt.Sprintf(":%d", port), router)
}
func getCurrent(w http.ResponseWriter, r *http.Request) {
idStr := r.PathValue("ID")
id, err := utils.IDtoInt(idStr)
if err != nil {
utils.HTTPErrorHandling(w, r, http.StatusBadRequest, err.Error())
return
}
state, err := db.ViewColor(id)
if err != nil {
utils.HTTPErrorHandling(w, r, http.StatusBadRequest, "Lamp not found")
return
}
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(state)
defer r.Body.Close()
}
func setCurrent(w http.ResponseWriter, r *http.Request) {
idStr := r.PathValue("ID")
id, err := utils.IDtoInt(idStr)
if err != nil {
utils.HTTPErrorHandling(w, r, http.StatusBadRequest, err.Error())
return
}
currentState, err := db.ViewColor(id)
if err != nil {
utils.HTTPErrorHandling(w, r, http.StatusInternalServerError, "Failed to get current lamp color")
return
}
if time.Since(currentState.UpdatedAt).Seconds() < config.AppConfig.HTTP.Cooldown {
utils.HTTPErrorHandling(w, r, http.StatusTooManyRequests, "Slow down!")
return
}
var req models.LampUpdateRequest
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
logger.HTTPLogger.Print(err)
utils.HTTPErrorHandling(w, r, http.StatusBadRequest, "Invalid JSON")
return
}
err = db.SetColor(id, req.Color)
if err != nil {
logger.HTTPLogger.Printf("Could not update lamp %d: %s", id, err)
utils.HTTPErrorHandling(w, r, http.StatusInternalServerError, err.Error())
return
}
updatedState := currentState
updatedState.Color = req.Color
updatedState.UpdatedAt = time.Now()
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(updatedState)
defer r.Body.Close()
}