organise sessions examples

Former-commit-id: 682472d2cf4ebfc740687522fe5eef77b5bb1a72

_examples/sessions/database/boltdb/main.go

@@ -1,7 +1,6 @@
 package main
 
 import (
-	"errors"
 	"os"
 	"time"
 
@@ -9,6 +8,8 @@ import (
 
 	"github.com/kataras/iris/v12/sessions"
 	"github.com/kataras/iris/v12/sessions/sessiondb/boltdb"
+
+	"github.com/kataras/iris/v12/_examples/sessions/overview/example"
 )
 
 func main() {
@@ -23,13 +24,17 @@ func main() {
 	})
 
 	defer db.Close() // close and unlock the database if application errored.
-
 	sess := sessions.New(sessions.Config{
 		Cookie:       "sessionscookieid",
 		Expires:      45 * time.Minute, // <=0 means unlimited life. Defaults to 0.
 		AllowReclaim: true,
 	})
 
+	//
+	// IMPORTANT:
+	//
+	sess.UseDatabase(db)
+
 	// The default database's values encoder and decoder
 	// calls the value's `Marshal/Unmarshal` methods (if any)
 	// otherwise JSON is selected,
@@ -50,83 +55,9 @@ func main() {
 	// i.e: a transcoder which will allow(on Marshal: return its byte representation and nil error)
 	// or dissalow(on Marshal: return non nil error) certain types.
 	//
+	// gob.Register(example.BusinessModel{})
 	// sessions.DefaultTranscoder = sessions.GobTranscoder{}
 
-	//
-	// IMPORTANT:
-	//
-	sess.UseDatabase(db)
-
-	// the rest of the code stays the same.
-	app := iris.New()
-	app.Logger().SetLevel("debug")
-
-	app.Get("/", func(ctx iris.Context) {
-		ctx.Writef("You should navigate to the /set, /get, /delete, /clear,/destroy instead")
-	})
-	app.Get("/set", func(ctx iris.Context) {
-		s := sess.Start(ctx)
-		// set session values
-		s.Set("name", "iris")
-
-		// test if set here
-		ctx.Writef("All ok session value of the 'name' is: %s", s.GetString("name"))
-	})
-
-	app.Get("/set/{key}/{value}", func(ctx iris.Context) {
-		key, value := ctx.Params().Get("key"), ctx.Params().Get("value")
-		s := sess.Start(ctx)
-		// set session values
-		s.Set(key, value)
-
-		// test if set here
-		ctx.Writef("All ok session value of the '%s' is: %s", key, s.GetString(key))
-	})
-
-	app.Get("/get", func(ctx iris.Context) {
-		// get a specific key, as string, if no found returns just an empty string
-		name := sess.Start(ctx).GetString("name")
-
-		ctx.Writef("The 'name' on the /set was: %s", name)
-	})
-
-	app.Get("/get/{key}", func(ctx iris.Context) {
-		// get a specific key, as string, if no found returns just an empty string
-		name := sess.Start(ctx).GetString(ctx.Params().Get("key"))
-
-		ctx.Writef("The name on the /set was: %s", name)
-	})
-
-	app.Get("/delete", func(ctx iris.Context) {
-		// delete a specific key
-		sess.Start(ctx).Delete("name")
-	})
-
-	app.Get("/clear", func(ctx iris.Context) {
-		// removes all entries
-		sess.Start(ctx).Clear()
-	})
-
-	app.Get("/destroy", func(ctx iris.Context) {
-		// destroy, removes the entire session data and cookie
-		sess.Destroy(ctx)
-	})
-
-	app.Get("/update", func(ctx iris.Context) {
-		// updates resets the expiration based on the session's `Expires` field.
-		if err := sess.ShiftExpiration(ctx); err != nil {
-			if errors.Is(err, sessions.ErrNotFound) {
-				ctx.StatusCode(iris.StatusNotFound)
-			} else if errors.Is(err, sessions.ErrNotImplemented) {
-				ctx.StatusCode(iris.StatusNotImplemented)
-			} else {
-				ctx.StatusCode(iris.StatusNotModified)
-			}
-
-			ctx.Writef("%v", err)
-			ctx.Application().Logger().Error(err)
-		}
-	})
-
+	app := example.NewApp(sess)
 	app.Listen(":8080")
 }