112 lines
2.4 KiB
Go
112 lines
2.4 KiB
Go
package logic
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import (
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scn "blackforestbytes.com/simplecloudnotifier"
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"blackforestbytes.com/simplecloudnotifier/common/ginresp"
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"context"
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"database/sql"
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"fmt"
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"github.com/gin-gonic/gin"
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"github.com/rs/zerolog/log"
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"math/rand"
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"net"
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"net/http"
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"os"
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"os/signal"
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"syscall"
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"time"
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)
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type Application struct {
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Config scn.Config
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Gin *gin.Engine
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Database *sql.DB
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}
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func NewApp(db *sql.DB) *Application {
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return &Application{Database: db}
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}
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func (app *Application) Init(cfg scn.Config, g *gin.Engine) {
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app.Config = cfg
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app.Gin = g
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}
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func (app *Application) Run() {
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httpserver := &http.Server{
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Addr: net.JoinHostPort(app.Config.ServerIP, app.Config.ServerPort),
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Handler: app.Gin,
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}
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errChan := make(chan error)
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go func() {
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log.Info().Str("address", httpserver.Addr).Msg("HTTP-Server started")
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errChan <- httpserver.ListenAndServe()
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}()
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stop := make(chan os.Signal, 1)
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signal.Notify(stop, os.Interrupt, syscall.SIGTERM)
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select {
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case <-stop:
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ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
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defer cancel()
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log.Info().Msg("Stopping HTTP-Server")
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err := httpserver.Shutdown(ctx)
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if err != nil {
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log.Info().Err(err).Msg("Error while stopping the http-server")
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return
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}
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log.Info().Msg("Stopped HTTP-Server")
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case err := <-errChan:
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log.Error().Err(err).Msg("HTTP-Server failed")
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}
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}
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func (app *Application) GenerateRandomAuthKey() string {
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charset := "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
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k := ""
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for i := 0; i < 64; i++ {
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k += string(charset[rand.Int()%len(charset)])
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}
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return k
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}
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func (app *Application) RunTransaction(ctx context.Context, opt *sql.TxOptions, fn func(tx *sql.Tx) (ginresp.HTTPResponse, bool)) ginresp.HTTPResponse {
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tx, err := app.Database.BeginTx(ctx, opt)
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if err != nil {
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return ginresp.InternAPIError(0, fmt.Sprintf("Failed to create transaction: %v", err))
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}
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res, commit := fn(tx)
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if commit {
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err = tx.Commit()
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if err != nil {
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return ginresp.InternAPIError(0, fmt.Sprintf("Failed to commit transaction: %v", err))
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}
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} else {
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err = tx.Rollback()
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if err != nil {
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return ginresp.InternAPIError(0, fmt.Sprintf("Failed to rollback transaction: %v", err))
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}
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}
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return res
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}
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func (app *Application) QuotaMax(ispro bool) int {
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if ispro {
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return 1000
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} else {
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return 50
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}
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}
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func (app *Application) VerifyProToken(token string) (bool, error) {
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return false, nil //TODO implement pro verification
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}
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