update recipe now can select recipe file

server/.gitignore

@@ -1,4 +1,4 @@
-/cofffeemachineConfig
+/cofffeemachineConfig/*
 **/*.log
 token.json
 client_secret.json

server/cofffeemachineConfig

@@ -0,0 +1 @@
+Subproject commit 9d6f2eb9c961e256c97b81ca9829eb57e5d890a9

server/data/data.go

@@ -4,11 +4,14 @@ import (
 	"encoding/json"
 	"log"
 	"os"
+	"path/filepath"
 	"recipe-manager/models"
+	"sort"
 )
 
-func readFile() *models.Recipe {
-	file, err := os.Open("data/data.json")
+func readFile(version string) *models.Recipe {
+	path := filepath.Join("cofffeemachineConfig", version)
+	file, err := os.Open(path)
 
 	if err != nil {
 		log.Fatalf("Error when open file: %s", err)
@@ -30,16 +33,56 @@ func readFile() *models.Recipe {
 }
 
 type Data struct {
-	recipe *models.Recipe
+	CurrentVersion string
+	AllVersions    []string
+	recipe         *models.Recipe
 }
 
 func NewData() *Data {
+
+	files, err := filepath.Glob("cofffeemachineConfig/coffeethai02_*.json")
+	if err != nil {
+		log.Panic("Error when scan recipe files:", err)
+	}
+
+	sort.Slice(files, func(i, j int) bool {
+		file1, err := os.Stat(files[i])
+
+		if err != nil {
+			log.Panic("Error when get file info:", err)
+		}
+
+		file2, err := os.Stat(files[j])
+
+		if err != nil {
+			log.Panic("Error when get file info:", err)
+		}
+
+		return file1.ModTime().After(file2.ModTime())
+	})
+
+	for i := 0; i < len(files); i++ {
+		files[i] = filepath.Base(files[i])
+	}
+
 	return &Data{
-		recipe: readFile(),
+		CurrentVersion: "coffeethai02_580.json",
+		AllVersions:    files,
+		recipe:         readFile("coffeethai02_580.json"),
 	}
 }
 
-func (d *Data) GetRecipe() models.Recipe {
+func (d *Data) GetRecipe(version string) models.Recipe {
+
+	if version == "" || version == d.CurrentVersion {
+		return *d.recipe
+	}
+
+	log.Println("Change recipe to version:", version)
+
+	// change current version and read new recipe
+	d.CurrentVersion = version
+	d.recipe = readFile(version)
 	return *d.recipe
 }
 

server/routers/recipe.go

@@ -35,7 +35,9 @@ func (rr *RecipeRouter) Route(r chi.Router) {
 				take = newTake
 			}
 
-			recipe := rr.data.GetRecipe()
+			version := r.URL.Query().Get("version")
+
+			recipe := rr.data.GetRecipe(version)
 			searchQuery := r.URL.Query().Get("search")
 
 			if searchQuery != "" {
@@ -62,8 +64,9 @@ func (rr *RecipeRouter) Route(r chi.Router) {
 			}
 
 			json.NewEncoder(w).Encode(map[string]interface{}{
-				"recipes": recipe,
-				"hasMore": isHasMore,
+				"fileName": rr.data.CurrentVersion,
+				"recipes":  recipe,
+				"hasMore":  isHasMore,
 			})
 		})
 
@@ -86,9 +89,15 @@ func (rr *RecipeRouter) Route(r chi.Router) {
 			http.Error(w, "Recipe not found", http.StatusNotFound)
 		})
 
-		r.Get("/json", func(w http.ResponseWriter, r *http.Request) {
+		r.Get("/{version}/json", func(w http.ResponseWriter, r *http.Request) {
+			version := chi.URLParam(r, "version")
+
 			w.Header().Add("Content-Type", "application/json")
-			json.NewEncoder(w).Encode(rr.data.GetRecipe())
+			json.NewEncoder(w).Encode(rr.data.GetRecipe(version))
+		})
+
+		r.Get("/versions", func(w http.ResponseWriter, r *http.Request) {
+			json.NewEncoder(w).Encode(rr.data.AllVersions)
 		})
 	})
 }