61 lines
1.3 KiB
Go
61 lines
1.3 KiB
Go
package main
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import (
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"fmt"
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_ "github.com/go-sql-driver/mysql"
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"log"
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"net/http"
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)
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const DEBUG = true
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func main() {
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err := setup()
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defer teardown()
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if err == nil {
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startServer()
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}
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}
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func setup() error {
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err := InitDb()
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if err != nil {
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return err
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}
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return nil
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}
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func teardown() {
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CloseDb()
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}
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func startServer() {
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port := "8001"
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MainRouter.setGet("/", showCharts)
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MainRouter.setPost("/", saveSnapshot)
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fmt.Printf("Listening on port %s...\n", port)
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log.Fatal(http.ListenAndServe(":" + port, nil))
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}
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func showCharts(w http.ResponseWriter, r *http.Request) error {
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_, err := fmt.Fprint(w, "<h1>Climate Stuff</h1><div>The data will show up here at some stage...</div>")
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return err
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}
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func saveSnapshot(w http.ResponseWriter, r *http.Request) error {
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snapshotSub, err := createSnapshotFromJson(r.Body)
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if err != nil {
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return fmt.Errorf("couldn't create snapshot from JSON: %w", err)
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}
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query := fmt.Sprintf("INSERT INTO `snapshots` (`temp`, `humidity`, `co2`, `time`, `id`) VALUES (%v, %v, %v, %v, NULL);",
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snapshotSub.Temp,
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snapshotSub.Humidity,
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snapshotSub.Co2,
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snapshotSub.Timestamp)
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fmt.Println(query)
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_, err = ClimateDb.Query(query)
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if err != nil {
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return fmt.Errorf("couldn't submit snapshot into the database: %w", err)
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}
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return nil
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} |