implement basic localdb function

.gitignore

@@ -1 +1,2 @@
 go.sum
+localdb.json

go.mod

@@ -1,35 +1,34 @@
 module user-manager-api
 
-go 1.23.2
+go 1.24
 
-require github.com/gin-gonic/gin v1.10.0
+require github.com/gin-gonic/gin v1.10.1
 
 require (
-	github.com/bytedance/sonic v1.12.8 // indirect
-	github.com/bytedance/sonic/loader v0.2.3 // indirect
-	github.com/cloudwego/base64x v0.1.5 // indirect
-	github.com/cloudwego/iasm v0.2.0 // indirect
-	github.com/gabriel-vasile/mimetype v1.4.8 // indirect
-	github.com/gin-contrib/sse v1.0.0 // indirect
+	github.com/bytedance/gopkg v0.1.3 // indirect
+	github.com/bytedance/sonic v1.14.1 // indirect
+	github.com/bytedance/sonic/loader v0.3.0 // indirect
+	github.com/cloudwego/base64x v0.1.6 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.10 // indirect
+	github.com/gin-contrib/sse v1.1.0 // indirect
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
-	github.com/go-playground/validator/v10 v10.24.0 // indirect
+	github.com/go-playground/validator/v10 v10.27.0 // indirect
 	github.com/goccy/go-json v0.10.5 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/klauspost/cpuid/v2 v2.2.9 // indirect
-	github.com/knz/go-libedit v1.10.1 // indirect
+	github.com/klauspost/cpuid/v2 v2.3.0 // indirect
 	github.com/leodido/go-urn v1.4.0 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
-	github.com/pelletier/go-toml/v2 v2.2.3 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
-	github.com/ugorji/go/codec v1.2.12 // indirect
-	golang.org/x/arch v0.14.0 // indirect
-	golang.org/x/crypto v0.32.0 // indirect
-	golang.org/x/net v0.34.0 // indirect
-	golang.org/x/sys v0.30.0 // indirect
-	golang.org/x/text v0.22.0 // indirect
-	google.golang.org/protobuf v1.36.5 // indirect
+	github.com/ugorji/go/codec v1.3.0 // indirect
+	golang.org/x/arch v0.20.0 // indirect
+	golang.org/x/crypto v0.41.0 // indirect
+	golang.org/x/net v0.43.0 // indirect
+	golang.org/x/sys v0.35.0 // indirect
+	golang.org/x/text v0.28.0 // indirect
+	google.golang.org/protobuf v1.36.8 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

main.go

@@ -16,17 +16,19 @@ func main() {
 		})
 	})
 
+	users := GetLocaldb("localdb.json")
+
 	router.GET("/users", func(c *gin.Context) {})
-	router.POST("/users/:userid", func(c *gin.Context) {
-		var user User
-		if err := c.ShouldBind(&user); err != nil {
-			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
-			return
+	router.POST("/users/:userid", func(c *gin.Context) {})
+	router.GET("/users/:userid", func(c *gin.Context) {
+		userid := c.Param("userid")
+		user, ok := users[userid]
+		if ok {
+			c.JSON(http.StatusOK, user)
+		} else {
+			c.JSON(http.StatusNotFound, nil)
 		}
-		user.Id = c.Param("userid")
-		c.JSON(http.StatusOK, user)
 	})
-	router.GET("/users/:userid", func(c *gin.Context) {})
 	router.DELETE("/users/:userid", func(c *gin.Context) {})
 
 	router.GET("/groups", func(c *gin.Context) {})
@@ -37,5 +39,5 @@ func main() {
 	router.POST("/groups/:groupid/members/:userid", func(c *gin.Context) {})
 	router.DELETE("/groups/:groupid/members/:userid", func(c *gin.Context) {})
 
-	router.Run("0.0.0.0:80") // listen and serve on 0.0.0.0:8080
+	router.Run("0.0.0.0:8083") // listen and serve on 0.0.0.0:8080
 }

schema.go

@@ -1,5 +1,6 @@
 package main
 
+/*
 type User struct {
 	Id        string
 	Password  string `form:"userpassword" binding:"required"`
@@ -9,3 +10,4 @@ type User struct {
 	Cluster   struct{}
 	Templates struct{}
 }
+*/

types.go

@@ -0,0 +1,70 @@
+package main
+
+type User struct {
+	DN        string         `json:"dn"`
+	UID       string         `json:"uid"`
+	CN        string         `json:"cn"`
+	SN        string         `json:"sn"`
+	Mail      string         `json:"mail"`
+	MemberOf  []string       `json:"memberOf"`
+	Resources map[string]any `json:"resources"`
+	Cluster   Cluster        `json:"cluster"`
+	Templates Templates      `json:"templates"`
+}
+
+type Cluster struct {
+	Admin   bool            `json:"admin"`
+	Nodes   map[string]bool `json:"nodes"`
+	VMID    VMID            `json:"vmid"`
+	Pools   map[string]bool `json:"pools"`
+	Backups Backups         `json:"backups"`
+}
+
+type VMID struct {
+	Min int `json:"min"`
+	MAx int `json:"max"`
+}
+
+type Backups struct {
+	Max int `json:"max"`
+}
+
+type Templates struct {
+	Instances struct {
+		LXC  map[string]ResourceTemplate `json:"lxc"`
+		QEMU map[string]ResourceTemplate `json:"qemu"`
+	} `json:"instances"`
+}
+
+type SimpleResource struct {
+	Limits struct {
+		Global SimpleLimit            `json:"global"`
+		Nodes  map[string]SimpleLimit `json:"nodes"`
+	} `json:"limits"`
+}
+
+type SimpleLimit struct {
+	Max int `json:"max"`
+}
+
+type MatchResource struct {
+	Limits struct {
+		Global []MatchLimit            `json:"global"`
+		Nodes  map[string][]MatchLimit `json:"nodes"`
+	} `json:"limits"`
+}
+
+type MatchLimit struct {
+	Match string `json:"match"`
+	Name  string `json:"name"`
+	Max   int    `json:"max"`
+}
+
+type ResourceTemplate struct {
+	Value    string `json:"value"`
+	Resource struct {
+		Enabled bool   `json:"enabled"`
+		Name    string `json:"name"`
+		Amount  int    `json:"amount"`
+	} `json:"resource"`
+}

utils.go

@@ -0,0 +1,20 @@
+package main
+
+import (
+	"encoding/json"
+	"log"
+	"os"
+)
+
+func GetLocaldb(dbPath string) map[string]User {
+	users := map[string]User{}
+	content, err := os.ReadFile(dbPath)
+	if err != nil {
+		log.Fatal("Error when opening file: ", err)
+	}
+	err = json.Unmarshal(content, &users)
+	if err != nil {
+		log.Fatal("Error during Unmarshal(): ", err)
+	}
+	return users
+}