Ledda/rpi-sensors
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added visualisation

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This commit is contained in:
Daniel Ledda
2020-11-05 00:24:29 +01:00
parent ed56c05b92
commit 1bd5020180
1 changed files with 14 additions and 2 deletions
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16
climate-server.go
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@@ -1,11 +1,13 @@
package main package main
import ( import (
"errors"
"fmt" "fmt"
_ "github.com/go-sql-driver/mysql" _ "github.com/go-sql-driver/mysql"
"github.com/gorilla/mux" "github.com/gorilla/mux"
"log" "log"
"net/http" "net/http"
"strconv"
) )
const DEBUG = true const DEBUG = true
@@ -34,7 +36,7 @@ func startServer() {
port := "8001" port := "8001"
r := mux.NewRouter() r := mux.NewRouter()
r.HandleFunc("/", showCharts).Methods("GET") r.HandleFunc("/", showCharts).Methods("GET")
r.HandleFunc("/data/", sendData).Methods("GET") r.HandleFunc("/data/{count}", sendData).Methods("GET")
r.HandleFunc("/", saveSnapshot).Methods("POST") r.HandleFunc("/", saveSnapshot).Methods("POST")
r.PathPrefix("/static/").Handler(http.StripPrefix("/static/", http.FileServer(http.Dir("static/")))) r.PathPrefix("/static/").Handler(http.StripPrefix("/static/", http.FileServer(http.Dir("static/"))))
http.Handle("/", r) http.Handle("/", r)
@@ -47,7 +49,17 @@ func showCharts(w http.ResponseWriter, r *http.Request) {
} }
func sendData(w http.ResponseWriter, r *http.Request) { func sendData(w http.ResponseWriter, r *http.Request) {
records, err := getSnapshotRecordsFromDb(50) vars := mux.Vars(r)
var count int64 = 50
if vars["count"] != "" {
newCount, err := strconv.ParseInt(vars["count"], 10, 0)
if err != nil {
sendInternalError(errors.New("bad snapshot count request"), w, r)
return
}
count = newCount
}
records, err := getSnapshotRecordsFromDb(int(count))
if err != nil { if err != nil {
sendInternalError(fmt.Errorf("couldn't read rows from the database: %w", err), w, r) sendInternalError(fmt.Errorf("couldn't read rows from the database: %w", err), w, r)
return return