change start events to return event as data

change new event from get to post
add new function update event
2025-11-06 09:03:56 +01:00 · 2025-11-06 08:56:00 +01:00 · 2025-11-05 11:18:30 +01:00 · 2025-11-04 09:39:11 +01:00 · 2025-11-04 09:38:35 +01:00 · 2025-11-04 09:35:52 +01:00
18 changed files with 729 additions and 602 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1,2 @@
+*.db
+*.log
--- a/api/api.go
+++ b/api/api.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"time"

+	"gitea.tecamino.com/paadi/tecamino-logger/logging"
 	"github.com/gin-contrib/cors"
 	"github.com/gin-gonic/gin"
 )
@@ -14,7 +15,7 @@ type API struct {
 	router *gin.Engine
 }

-func NewAPI(host string, port int) *API {
+func NewAPI(host string, port int, logger *logging.Logger) (*API, error) {
 	r := gin.Default()
 	r.Use(cors.New(cors.Config{
 		//AllowOrigins:     []string{"http://localhost:9000"}, // frontend origin
@@ -26,18 +27,21 @@ func NewAPI(host string, port int) *API {
 		MaxAge:           12 * time.Hour,
 	}))

-	apiHandler := NewAPIHandler()
+	apiHandler, err := NewAPIHandler(logger)
+	if err != nil {
+		return nil, err
+	}

 	v1 := r.Group("v1")
-	v1.GET("/events", apiHandler.GetEventById)
+	v1.GET("/events", apiHandler.GetEvent)
 	v1.GET("/events/new", apiHandler.StartNewEvent)
 	v1.GET("/events/delete", apiHandler.DeleteEvent)
-	v1.GET("/members", apiHandler.GetMemberById)
-	v1.GET("/responsible", apiHandler.GetResponsibleById)
+	v1.GET("/members", apiHandler.GetMember)
+	v1.GET("/responsible", apiHandler.GetResponsible)

 	v1.POST("/database/open", apiHandler.OpenDatabase)
 	v1.POST("/members/add", apiHandler.AddNewMember)
-	v1.POST("/members/edit", apiHandler.EditMember)
+	v1.POST("/members/edit", apiHandler.UpdateMember)
 	v1.POST("/members/delete", apiHandler.DeleteMember)
 	v1.POST("/members/import/csv", apiHandler.ImportCSV)

@@ -50,7 +54,7 @@ func NewAPI(host string, port int) *API {
 	return &API{host: host,
 		port:   port,
 		router: r,
-	}
+	}, nil
 }

 func (api *API) Run() error {
--- a/api/apiHandler.go
+++ b/api/apiHandler.go
@@ -1,20 +1,38 @@
 package api

 import (
+	"fmt"
 	"net/http"
+	"os"
+	"path/filepath"

 	"gitea.tecamino.com/paadi/memberDB/handlers"
 	"gitea.tecamino.com/paadi/memberDB/models"
+	"gitea.tecamino.com/paadi/tecamino-logger/logging"

 	"github.com/gin-gonic/gin"
 )

 type APIHandler struct {
 	DbHandler *handlers.DatabaseHandler
+	//dataHandler *dbHandler.DBHandler
+	logger *logging.Logger
 }

-func NewAPIHandler() *APIHandler {
-	return &APIHandler{}
+func NewAPIHandler(logger *logging.Logger) (aH *APIHandler, err error) {
+	if logger == nil {
+		logger, err = logging.NewLogger("memberDb.log", logging.DefaultConfig())
+		if err != nil {
+			return nil, err
+		}
+	}
+	logger.Debug("NewAPIHandler", "initialize new api handler")
+	aH = &APIHandler{logger: logger}
+	return
+}
+
+func (a *APIHandler) DBHandlerIsInitialized() bool {
+	return a.DbHandler != nil
 }

 func (a *APIHandler) OpenDatabase(c *gin.Context) {
@@ -28,63 +46,54 @@ func (a *APIHandler) OpenDatabase(c *gin.Context) {
 	}

 	if database.Path == "" {
+		a.logger.Debug("OpenDatabase", "set default database path")
 		database.SetDefaultPath()
 	}

 	if database.Token == "" {
+		a.logger.Debug("OpenDatabase", "set default token")
 		database.SetDefaultToken()
 	}

-	a.DbHandler, err = handlers.NewDatabaseHandler(database.Path, database.Create)
+	if _, err := os.Stat(database.Path); err != nil && !database.Create {
+		a.logger.Error("OpenDatabase", fmt.Sprintf("%s not found", database.Path))
+		c.JSON(http.StatusBadRequest, gin.H{
+			"message": fmt.Sprintf("%s not found", database.Path),
+		})
+		return
+	}
+
+	dbName := filepath.Base(database.Path)
+	folderpath := filepath.Dir(database.Path)
+
+	a.DbHandler, err = handlers.NewDatabaseHandler(dbName, folderpath, a.logger)
 	if err != nil {
-		c.JSON(http.StatusBadRequest, gin.H{
-			"message": err.Error(),
-		})
+		a.logger.Error("OpenDatabase", err)
+		c.JSON(http.StatusInternalServerError, nil)
 		return
 	}

-	if err := a.DbHandler.CreateNewMemberTable(); err != nil {
-		c.JSON(http.StatusBadRequest, gin.H{
-			"message": err.Error(),
-		})
+	if err := a.DbHandler.AddNewTable(&models.Member{}); err != nil {
+		a.logger.Error("OpenDatabase", err)
+		c.JSON(http.StatusInternalServerError, nil)
 		return
 	}

-	if err := a.DbHandler.CreateNewEventTable(); err != nil {
-		c.JSON(http.StatusBadRequest, gin.H{
-			"message": err.Error(),
-		})
+	if err := a.DbHandler.AddNewTable(&models.Event{}); err != nil {
+		a.logger.Error("OpenDatabase", err)
+		c.JSON(http.StatusInternalServerError, nil)
 		return
 	}

-	if err := a.DbHandler.CreateNewResponsibleTable(); err != nil {
-		c.JSON(http.StatusBadRequest, gin.H{
-			"message": err.Error(),
-		})
+	if err := a.DbHandler.AddNewTable(&models.Person{}); err != nil {
+		a.logger.Error("OpenDatabase", err)
+		c.JSON(http.StatusInternalServerError, nil)
 		return
 	}

 	a.DbHandler.SetToken(database.Token)

-	_, err = a.DbHandler.GetMember(0)
-	if err != nil {
-		c.JSON(http.StatusBadRequest, gin.H{
-			"message": err.Error(),
-		})
-		return
-	}
 	c.JSON(http.StatusOK, gin.H{
 		"message": "database opened",
 	})
 }
-
-// databaseOpened is a helper function to first check wheter database is open for requests
-func (a *APIHandler) databaseOpened(c *gin.Context) bool {
-	if a.DbHandler == nil {
-		c.JSON(http.StatusBadRequest, gin.H{
-			"message": "no database opened",
-		})
-		return false
-	}
-	return true
-}
--- a/api/eventHandler.go
+++ b/api/eventHandler.go
@@ -9,32 +9,36 @@ import (
 )

 func (a *APIHandler) StartNewEvent(c *gin.Context) {
-	if !a.databaseOpened(c) {
+	if !a.DBHandlerIsInitialized() {
+		a.logger.Error("StartNewEvent", "database handler is not initialized")
+		c.JSON(http.StatusInternalServerError, nil)
 		return
 	}

-	name := c.Query("name")
-	if name == "" {
-		c.JSON(http.StatusBadRequest, gin.H{
-			"message": "missing query 'name'",
-		})
+	var event models.Event
+	err := c.BindJSON(&event)
+	if err != nil {
+		a.logger.Error("StartNewEvent", err)
+		c.JSON(http.StatusInternalServerError, nil)
 		return
 	}

-	if err := a.DbHandler.StartNewEvent(name); err != nil {
-		c.JSON(http.StatusBadRequest, gin.H{
-			"message": err.Error(),
-		})
+	if err := a.DbHandler.StartNewEvent(&event); err != nil {
+		a.logger.Error("StartNewEvent", err)
+		c.JSON(http.StatusBadRequest, gin.H{"message": err.Error()})
 		return
 	}

 	c.JSON(http.StatusOK, gin.H{
-		"message": "New Event added " + name,
+		"message": "New Event added " + event.Name,
+		"data":    event,
 	})
 }

-func (a *APIHandler) GetEventById(c *gin.Context) {
-	if !a.databaseOpened(c) {
+func (a *APIHandler) GetEvent(c *gin.Context) {
+	if !a.DBHandlerIsInitialized() {
+		a.logger.Error("GetEvent", "database handler is not initialized")
+		c.JSON(http.StatusInternalServerError, nil)
 		return
 	}

@@ -45,43 +49,75 @@ func (a *APIHandler) GetEventById(c *gin.Context) {
 	if id != "" {
 		i, err = strconv.Atoi(id)
 		if err != nil {
-			c.JSON(http.StatusBadRequest, gin.H{
-				"message": err.Error(),
-			})
+			a.logger.Error("GetEvent", err)
+
+			c.JSON(http.StatusInternalServerError, nil)
 			return
 		}
 	}

-	events, err := a.DbHandler.GetEvent(i)
+	events, err := a.DbHandler.GetEvent(uint(i))
 	if err != nil {
-		c.JSON(http.StatusBadRequest, gin.H{
-			"message": err.Error(),
-		})
+		a.logger.Error("GetEvent", err)
+		c.JSON(http.StatusBadRequest, nil)
 		return
 	}

 	c.JSON(http.StatusOK, events)
 }

-func (a *APIHandler) DeleteEvent(c *gin.Context) {
-	if !a.databaseOpened(c) {
+func (a *APIHandler) UpdateEvent(c *gin.Context) {
+	if !a.DBHandlerIsInitialized() {
+		a.logger.Error("UpdateEvent", "database handler is not initialized")
+		c.JSON(http.StatusInternalServerError, nil)
 		return
 	}
-	var err error

-	var request struct {
-		Ids []int `json:"ids"`
-	}
-	err = c.BindJSON(&request)
+	var events []models.Event
+	err := c.BindJSON(&events)
 	if err != nil {
+		a.logger.Error("UpdateEvent", err)
+		c.JSON(http.StatusInternalServerError, nil)
+		return
+	}
+
+	for _, event := range events {
+		err = a.DbHandler.UpdateEvent(event.Id, event)
+		if err != nil {
+			a.logger.Error("UpdateEvent", err)
 			c.JSON(http.StatusBadRequest, gin.H{
 				"message": err.Error(),
 			})
 			return
 		}
+	}
+	c.JSON(http.StatusOK, gin.H{
+		"message": "event(s) updated",
+	})
+}
+
+func (a *APIHandler) DeleteEvent(c *gin.Context) {
+	if !a.DBHandlerIsInitialized() {
+		a.logger.Error("DeleteEvent", "database handler is not initialized")
+		c.JSON(http.StatusInternalServerError, nil)
+		return
+	}
+
+	var err error
+
+	var request struct {
+		Ids []uint `json:"ids"`
+	}
+	err = c.BindJSON(&request)
+	if err != nil {
+		a.logger.Error("DeleteEvent", err)
+		c.JSON(http.StatusBadRequest, nil)
+		return
+	}

 	err = a.DbHandler.DeleteEvent(request.Ids...)
 	if err != nil {
+		a.logger.Error("DeleteEvent", err)
 		c.JSON(http.StatusBadRequest, gin.H{
 			"message": err.Error(),
 		})
@@ -93,22 +129,25 @@ func (a *APIHandler) DeleteEvent(c *gin.Context) {
 }

 func (a *APIHandler) AddNewAttendees(c *gin.Context) {
-	if !a.databaseOpened(c) {
+	if !a.DBHandlerIsInitialized() {
+		a.logger.Error("AddNewAttendees", "database handler is not initialized")
+		c.JSON(http.StatusInternalServerError, nil)
 		return
 	}

 	var event models.Event
 	err := c.BindJSON(&event)
 	if err != nil {
-		c.JSON(http.StatusBadRequest, gin.H{
-			"message": err.Error(),
-		})
+		a.logger.Error("AddNewAttendees", err)
+		c.JSON(http.StatusInternalServerError, nil)
 		return
 	}

 	err = a.DbHandler.AddAttendeesToEvent(event)
 	if err != nil {
-		c.JSON(http.StatusBadRequest, gin.H{
+		a.logger.Error("AddNewAttendees", err)
+
+		c.JSON(http.StatusInternalServerError, gin.H{
 			"message": err.Error(),
 		})
 		return
@@ -120,23 +159,26 @@ func (a *APIHandler) AddNewAttendees(c *gin.Context) {
 }

 func (a *APIHandler) DeleteAttendee(c *gin.Context) {
-	if !a.databaseOpened(c) {
+	if !a.DBHandlerIsInitialized() {
+		a.logger.Error("DeleteAttendee", "database handler is not initialized")
+		c.JSON(http.StatusInternalServerError, nil)
 		return
 	}
+
 	var err error

 	var event models.Event
 	err = c.BindJSON(&event)
 	if err != nil {
-		c.JSON(http.StatusBadRequest, gin.H{
-			"message": err.Error(),
-		})
+		a.logger.Error("DeleteAttendee", err)
+		c.JSON(http.StatusInternalServerError, nil)
 		return
 	}

 	err = a.DbHandler.DeleteAttendeesFromEvent(event)
 	if err != nil {
-		c.JSON(http.StatusBadRequest, gin.H{
+		a.logger.Error("DeleteAttendee", err)
+		c.JSON(http.StatusInternalServerError, gin.H{
 			"message": err.Error(),
 		})
 		return
--- a/api/membersHandler.go
+++ b/api/membersHandler.go
@@ -16,16 +16,17 @@ import (
 )

 func (a *APIHandler) AddNewMember(c *gin.Context) {
-	if !a.databaseOpened(c) {
+	if !a.DBHandlerIsInitialized() {
+		a.logger.Error("AddNewMember", "database handler is not initialized")
+		c.JSON(http.StatusInternalServerError, nil)
 		return
 	}

 	var member models.Member
 	err := c.BindJSON(&member)
 	if err != nil {
-		c.JSON(http.StatusBadRequest, gin.H{
-			"message": err.Error(),
-		})
+		a.logger.Error("AddNewMember", err)
+		c.JSON(http.StatusInternalServerError, nil)
 		return
 	}

@@ -40,6 +41,7 @@ func (a *APIHandler) AddNewMember(c *gin.Context) {
 		text += "birthday "
 	}
 	if text != "" {
+		a.logger.Error("AddNewMember", text+"can not be empty")
 		c.JSON(http.StatusBadRequest, gin.H{
 			"message": text + "can not be empty",
 		})
@@ -48,6 +50,7 @@ func (a *APIHandler) AddNewMember(c *gin.Context) {

 	err = a.DbHandler.AddNewMember(member)
 	if err != nil {
+		a.logger.Error("AddNewMember", err)
 		c.JSON(http.StatusBadRequest, gin.H{
 			"message": err.Error(),
 		})
@@ -59,8 +62,10 @@ func (a *APIHandler) AddNewMember(c *gin.Context) {
 	})
 }

-func (a *APIHandler) GetMemberById(c *gin.Context) {
-	if !a.databaseOpened(c) {
+func (a *APIHandler) GetMember(c *gin.Context) {
+	if !a.DBHandlerIsInitialized() {
+		a.logger.Error("GetMember", "database handler is not initialized")
+		c.JSON(http.StatusInternalServerError, nil)
 		return
 	}

@@ -71,15 +76,15 @@ func (a *APIHandler) GetMemberById(c *gin.Context) {
 	if id != "" {
 		i, err = strconv.Atoi(id)
 		if err != nil {
-			c.JSON(http.StatusBadRequest, gin.H{
-				"message": err.Error(),
-			})
+			a.logger.Error("GetMember", err)
+			c.JSON(http.StatusInternalServerError, nil)
 			return
 		}
 	}

-	members, err := a.DbHandler.GetMember(i)
+	members, err := a.DbHandler.GetMember(uint(i))
 	if err != nil {
+		a.logger.Error("GetMember", err)
 		c.JSON(http.StatusBadRequest, gin.H{
 			"message": err.Error(),
 		})
@@ -88,88 +93,80 @@ func (a *APIHandler) GetMemberById(c *gin.Context) {
 	c.JSON(http.StatusOK, members)
 }

-func (a *APIHandler) EditMember(c *gin.Context) {
-	if !a.databaseOpened(c) {
+func (a *APIHandler) UpdateMember(c *gin.Context) {
+	if !a.DBHandlerIsInitialized() {
+		a.logger.Error("EditMember", "database handler is not initialized")
+		c.JSON(http.StatusInternalServerError, nil)
 		return
 	}

-	var i int
-	var err error
-
-	id := c.Query("id")
-	if id != "" {
-		i, err = strconv.Atoi(id)
+	var members []models.Member
+	err := c.BindJSON(&members)
 	if err != nil {
+		a.logger.Error("EditMember", err)
+		c.JSON(http.StatusInternalServerError, nil)
+		return
+	}
+
+	for _, member := range members {
+		err = a.DbHandler.UpdateMember(member.Id, member)
+		if err != nil {
+			a.logger.Error("EditMember", err)
 			c.JSON(http.StatusBadRequest, gin.H{
 				"message": err.Error(),
 			})
 			return
 		}
-	} else {
-		c.JSON(http.StatusBadRequest, gin.H{
-			"message": "query parameter 'id' missing",
-		})
-		return
-	}
-
-	var member models.Member
-	err = c.BindJSON(&member)
-	if err != nil {
-		c.JSON(http.StatusBadRequest, gin.H{
-			"message": err.Error(),
-		})
-		return
-	}
-
-	err = a.DbHandler.UpdateMember(i, member)
-	if err != nil {
-		c.JSON(http.StatusBadRequest, gin.H{
-			"message": err.Error(),
-		})
-		return
 	}
 	c.JSON(http.StatusOK, gin.H{
-		"message": "member updated",
+		"message": "member(s) updated",
 	})
 }

 func (a *APIHandler) DeleteMember(c *gin.Context) {
-	if !a.databaseOpened(c) {
+	if !a.DBHandlerIsInitialized() {
+		a.logger.Error("DeleteMember", "database handler is not initialized")
+		c.JSON(http.StatusInternalServerError, nil)
 		return
 	}
+
 	var err error

 	var request struct {
-		Ids []int `json:"ids"`
+		Ids []uint `json:"ids"`
 	}
 	err = c.BindJSON(&request)
 	if err != nil {
-		c.JSON(http.StatusBadRequest, gin.H{
-			"message": err.Error(),
-		})
+		a.logger.Error("DeleteMember", err)
+		c.JSON(http.StatusInternalServerError, nil)
 		return
 	}

 	err = a.DbHandler.DeleteMember(request.Ids...)
 	if err != nil {
+		a.logger.Error("DeleteMember", err)
 		c.JSON(http.StatusBadRequest, gin.H{
 			"message": err.Error(),
 		})
 		return
 	}
 	c.JSON(http.StatusOK, gin.H{
-		"message": "member deleted",
+		"message": "member(s) deleted",
 	})
 }

 func (a *APIHandler) ImportCSV(c *gin.Context) {
-	if !a.databaseOpened(c) {
+	if !a.DBHandlerIsInitialized() {
+		a.logger.Error("ImportCSV", "database handler is not initialized")
+		c.JSON(http.StatusInternalServerError, nil)
 		return
 	}
+
 	var err error

 	fileHeader, err := c.FormFile("file")
 	if err != nil {
+		a.logger.Error("ImportCSV", err)
 		c.JSON(http.StatusBadRequest, gin.H{
 			"message": err.Error(),
 		})
@@ -188,7 +185,8 @@ func (a *APIHandler) ImportCSV(c *gin.Context) {

 	rowIndexI, err := strconv.Atoi(rowIndex)
 	if err != nil {
-		c.JSON(http.StatusBadRequest, gin.H{
+		a.logger.Error("ImportCSV", err)
+		c.JSON(http.StatusInternalServerError, gin.H{
 			"message": err.Error(),
 		})
 		return
@@ -196,6 +194,7 @@ func (a *APIHandler) ImportCSV(c *gin.Context) {

 	file, err := fileHeader.Open()
 	if err != nil {
+		a.logger.Error("ImportCSV", err)
 		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to open uploaded file"})
 		return
 	}
@@ -206,6 +205,7 @@ func (a *APIHandler) ImportCSV(c *gin.Context) {
 	buf := make([]byte, sniffSize)
 	n, err := file.Read(buf)
 	if err != nil && err != io.EOF {
+		a.logger.Error("ImportCSV", err)
 		c.JSON(http.StatusInternalServerError, gin.H{"message": err.Error()})
 		return
 	}
@@ -214,12 +214,14 @@ func (a *APIHandler) ImportCSV(c *gin.Context) {
 	detector := chardet.NewTextDetector()
 	result, err := detector.DetectBest(buf[:n])
 	if err != nil {
+		a.logger.Error("ImportCSV", err)
 		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to detect encoding"})
 		return
 	}

 	_, err = file.Seek(0, io.SeekStart)
 	if err != nil {
+		a.logger.Error("ImportCSV", err)
 		c.JSON(http.StatusInternalServerError, gin.H{"message": "Failed to rewind file"})
 		return
 	}
@@ -234,6 +236,7 @@ func (a *APIHandler) ImportCSV(c *gin.Context) {
 	case "ISO-8859-1":
 		reader = transform.NewReader(file, charmap.ISO8859_1.NewDecoder())
 	default:
+		a.logger.Error("ImportCSV", "Unsupported encoding: "+result.Charset)
 		c.JSON(http.StatusBadRequest, gin.H{"message": "Unsupported encoding: " + result.Charset})
 		return
 	}
@@ -243,6 +246,7 @@ func (a *APIHandler) ImportCSV(c *gin.Context) {

 	records, err := csvReader.ReadAll()
 	if err != nil {
+		a.logger.Error("ImportCSV", err)
 		c.JSON(http.StatusBadRequest, gin.H{"error": "Failed to parse CSV"})
 		return
 	}
@@ -298,6 +302,7 @@ func (a *APIHandler) ImportCSV(c *gin.Context) {
 	}

 	if message != "" {
+		a.logger.Error("ImportCSV", message)
 		c.JSON(http.StatusBadRequest, gin.H{
 			"message": message,
 		})
--- a/api/responsibleHandler.go
+++ b/api/responsibleHandler.go
@@ -10,16 +10,17 @@ import (
 )

 func (a *APIHandler) AddNewResponsible(c *gin.Context) {
-	if !a.databaseOpened(c) {
+	if !a.DBHandlerIsInitialized() {
+		a.logger.Error("AddNewResponsible", "database handler is not initialized")
+		c.JSON(http.StatusInternalServerError, nil)
 		return
 	}

 	var responsible models.Person
 	err := c.BindJSON(&responsible)
 	if err != nil {
-		c.JSON(http.StatusBadRequest, gin.H{
-			"message": err.Error(),
-		})
+		a.logger.Error("AddNewResponsible", err)
+		c.JSON(http.StatusInternalServerError, nil)
 		return
 	}

@@ -36,11 +37,12 @@ func (a *APIHandler) AddNewResponsible(c *gin.Context) {
 	})
 }

-func (a *APIHandler) GetResponsibleById(c *gin.Context) {
-	if !a.databaseOpened(c) {
+func (a *APIHandler) GetResponsible(c *gin.Context) {
+	if !a.DBHandlerIsInitialized() {
+		a.logger.Error("GetResponsible", "database handler is not initialized")
+		c.JSON(http.StatusInternalServerError, nil)
 		return
 	}
-
 	var i int
 	var err error

@@ -48,15 +50,15 @@ func (a *APIHandler) GetResponsibleById(c *gin.Context) {
 	if id != "" {
 		i, err = strconv.Atoi(id)
 		if err != nil {
-			c.JSON(http.StatusBadRequest, gin.H{
-				"message": err.Error(),
-			})
+			a.logger.Error("GetResponsible", err)
+			c.JSON(http.StatusInternalServerError, nil)
 			return
 		}
 	}

-	members, err := a.DbHandler.GetResponsible(i)
+	members, err := a.DbHandler.GetResponsible(uint(i))
 	if err != nil {
+		a.logger.Error("GetResponsible", err)
 		c.JSON(http.StatusBadRequest, gin.H{
 			"message": err.Error(),
 		})
@@ -66,24 +68,26 @@ func (a *APIHandler) GetResponsibleById(c *gin.Context) {
 }

 func (a *APIHandler) DeleteResponsible(c *gin.Context) {
-	if !a.databaseOpened(c) {
+	if !a.DBHandlerIsInitialized() {
+		a.logger.Error("DeleteResponsible", "database handler is not initialized")
+		c.JSON(http.StatusInternalServerError, nil)
 		return
 	}
 	var err error

 	var request struct {
-		Ids []int `json:"ids"`
+		Ids []uint `json:"ids"`
 	}
 	err = c.BindJSON(&request)
 	if err != nil {
-		c.JSON(http.StatusBadRequest, gin.H{
-			"message": err.Error(),
-		})
+		a.logger.Error("DeleteResponsible", err)
+		c.JSON(http.StatusBadRequest, nil)
 		return
 	}

 	err = a.DbHandler.DeleteResponsible(request.Ids...)
 	if err != nil {
+		a.logger.Error("DeleteResponsible", err)
 		c.JSON(http.StatusBadRequest, gin.H{
 			"message": err.Error(),
 		})
--- a/data/mydatabase.db
+++ b/data/mydatabase.db
--- a/go.mod
+++ b/go.mod
@@ -3,11 +3,13 @@ module gitea.tecamino.com/paadi/memberDB
 go 1.24.5

 require (
+	gitea.tecamino.com/paadi/dbHandler v1.0.4
+	gitea.tecamino.com/paadi/tecamino-logger v0.2.1
 	github.com/gin-contrib/cors v1.7.6
 	github.com/gin-gonic/gin v1.11.0
+	github.com/go-playground/assert/v2 v2.2.0
 	github.com/saintfish/chardet v0.0.0-20230101081208-5e3ef4b5456d
-	golang.org/x/text v0.27.0
-	modernc.org/sqlite v1.39.0
+	golang.org/x/text v0.30.0
 )

 require (
@@ -17,12 +19,16 @@ require (
 	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/gabriel-vasile/mimetype v1.4.9 // indirect
 	github.com/gin-contrib/sse v1.1.0 // indirect
+	github.com/glebarez/go-sqlite v1.21.2 // indirect
+	github.com/glebarez/sqlite v1.11.0 // 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 v10.27.0 // indirect
 	github.com/goccy/go-json v0.10.5 // indirect
 	github.com/goccy/go-yaml v1.18.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
+	github.com/jinzhu/inflection v1.0.0 // indirect
+	github.com/jinzhu/now v1.1.5 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/klauspost/cpuid/v2 v2.3.0 // indirect
 	github.com/leodido/go-urn v1.4.0 // indirect
@@ -37,16 +43,21 @@ require (
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
 	github.com/ugorji/go/codec v1.3.0 // indirect
 	go.uber.org/mock v0.5.0 // indirect
+	go.uber.org/multierr v1.10.0 // indirect
+	go.uber.org/zap v1.27.0 // indirect
 	golang.org/x/arch v0.20.0 // indirect
-	golang.org/x/crypto v0.40.0 // indirect
+	golang.org/x/crypto v0.43.0 // indirect
 	golang.org/x/exp v0.0.0-20250620022241-b7579e27df2b // indirect
-	golang.org/x/mod v0.25.0 // indirect
-	golang.org/x/net v0.42.0 // indirect
-	golang.org/x/sync v0.16.0 // indirect
-	golang.org/x/sys v0.35.0 // indirect
-	golang.org/x/tools v0.34.0 // indirect
+	golang.org/x/mod v0.28.0 // indirect
+	golang.org/x/net v0.45.0 // indirect
+	golang.org/x/sync v0.17.0 // indirect
+	golang.org/x/sys v0.37.0 // indirect
+	golang.org/x/tools v0.37.0 // indirect
 	google.golang.org/protobuf v1.36.9 // indirect
+	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
+	gorm.io/gorm v1.31.0 // indirect
 	modernc.org/libc v1.66.3 // indirect
 	modernc.org/mathutil v1.7.1 // indirect
 	modernc.org/memory v1.11.0 // indirect
+	modernc.org/sqlite v1.39.0 // indirect
 )
--- a/go.sum
+++ b/go.sum
@@ -1,3 +1,7 @@
+gitea.tecamino.com/paadi/dbHandler v1.0.4 h1:ctnaec0GDdtw3gRQdUISVDYLJ9x+vt50VW41OemfhD4=
+gitea.tecamino.com/paadi/dbHandler v1.0.4/go.mod h1:y/xn/POJg1DO++67uKvnO23lJQgh+XFQq7HZCS9Getw=
+gitea.tecamino.com/paadi/tecamino-logger v0.2.1 h1:sQTBKYPdzn9mmWX2JXZBtGBvNQH7cuXIwsl4TD0aMgE=
+gitea.tecamino.com/paadi/tecamino-logger v0.2.1/go.mod h1:FkzRTldUBBOd/iy2upycArDftSZ5trbsX5Ira5OzJgM=
 github.com/bytedance/sonic v1.14.0 h1:/OfKt8HFw0kh2rj8N0F6C/qPGRESq0BbaNZgcNXXzQQ=
 github.com/bytedance/sonic v1.14.0/go.mod h1:WoEbx8WTcFJfzCe0hbmyTGrfjt8PzNEBdxlNUO24NhA=
 github.com/bytedance/sonic/loader v0.3.0 h1:dskwH8edlzNMctoruo8FPTJDF3vLtDT0sXZwvZJyqeA=
@@ -17,6 +21,10 @@ github.com/gin-contrib/sse v1.1.0 h1:n0w2GMuUpWDVp7qSpvze6fAu9iRxJY4Hmj6AmBOU05w
 github.com/gin-contrib/sse v1.1.0/go.mod h1:hxRZ5gVpWMT7Z0B0gSNYqqsSCNIJMjzvm6fqCz9vjwM=
 github.com/gin-gonic/gin v1.11.0 h1:OW/6PLjyusp2PPXtyxKHU0RbX6I/l28FTdDlae5ueWk=
 github.com/gin-gonic/gin v1.11.0/go.mod h1:+iq/FyxlGzII0KHiBGjuNn4UNENUlKbGlNmc+W50Dls=
+github.com/glebarez/go-sqlite v1.21.2 h1:3a6LFC4sKahUunAmynQKLZceZCOzUthkRkEAl9gAXWo=
+github.com/glebarez/go-sqlite v1.21.2/go.mod h1:sfxdZyhQjTM2Wry3gVYWaW072Ri1WMdWJi0k6+3382k=
+github.com/glebarez/sqlite v1.11.0 h1:wSG0irqzP6VurnMEpFGer5Li19RpIRi2qvQz++w0GMw=
+github.com/glebarez/sqlite v1.11.0/go.mod h1:h8/o8j5wiAsqSPoWELDUdJXhjAhsVliSn7bWZjOhrgQ=
 github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s=
 github.com/go-playground/assert/v2 v2.2.0/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
 github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA=
@@ -36,6 +44,10 @@ github.com/google/pprof v0.0.0-20250317173921-a4b03ec1a45e h1:ijClszYn+mADRFY17k
 github.com/google/pprof v0.0.0-20250317173921-a4b03ec1a45e/go.mod h1:boTsfXsheKC2y+lKOCMpSfarhxDeIzfZG1jqGcPl3cA=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
+github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
+github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ=
+github.com/jinzhu/now v1.1.5/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
 github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
 github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
 github.com/klauspost/cpuid/v2 v2.3.0 h1:S4CRMLnYUhGeDFDqkGriYKdfoFlDnMtqTiI/sFzhA9Y=
@@ -76,33 +88,43 @@ github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS
 github.com/twitchyliquid64/golang-asm v0.15.1/go.mod h1:a1lVb/DtPvCB8fslRZhAngC2+aY1QWCk3Cedj/Gdt08=
 github.com/ugorji/go/codec v1.3.0 h1:Qd2W2sQawAfG8XSvzwhBeoGq71zXOC/Q1E9y/wUcsUA=
 github.com/ugorji/go/codec v1.3.0/go.mod h1:pRBVtBSKl77K30Bv8R2P+cLSGaTtex6fsA2Wjqmfxj4=
+go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
+go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
 go.uber.org/mock v0.5.0 h1:KAMbZvZPyBPWgD14IrIQ38QCyjwpvVVV6K/bHl1IwQU=
 go.uber.org/mock v0.5.0/go.mod h1:ge71pBPLYDk7QIi1LupWxdAykm7KIEFchiOqd6z7qMM=
+go.uber.org/multierr v1.10.0 h1:S0h4aNzvfcFsC3dRF1jLoaov7oRaKqRGC/pUEJ2yvPQ=
+go.uber.org/multierr v1.10.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
+go.uber.org/zap v1.27.0 h1:aJMhYGrd5QSmlpLMr2MftRKl7t8J8PTZPA732ud/XR8=
+go.uber.org/zap v1.27.0/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E=
 golang.org/x/arch v0.20.0 h1:dx1zTU0MAE98U+TQ8BLl7XsJbgze2WnNKF/8tGp/Q6c=
 golang.org/x/arch v0.20.0/go.mod h1:bdwinDaKcfZUGpH09BB7ZmOfhalA8lQdzl62l8gGWsk=
-golang.org/x/crypto v0.40.0 h1:r4x+VvoG5Fm+eJcxMaY8CQM7Lb0l1lsmjGBQ6s8BfKM=
-golang.org/x/crypto v0.40.0/go.mod h1:Qr1vMER5WyS2dfPHAlsOj01wgLbsyWtFn/aY+5+ZdxY=
+golang.org/x/crypto v0.43.0 h1:dduJYIi3A3KOfdGOHX8AVZ/jGiyPa3IbBozJ5kNuE04=
+golang.org/x/crypto v0.43.0/go.mod h1:BFbav4mRNlXJL4wNeejLpWxB7wMbc79PdRGhWKncxR0=
 golang.org/x/exp v0.0.0-20250620022241-b7579e27df2b h1:M2rDM6z3Fhozi9O7NWsxAkg/yqS/lQJ6PmkyIV3YP+o=
 golang.org/x/exp v0.0.0-20250620022241-b7579e27df2b/go.mod h1:3//PLf8L/X+8b4vuAfHzxeRUl04Adcb341+IGKfnqS8=
-golang.org/x/mod v0.25.0 h1:n7a+ZbQKQA/Ysbyb0/6IbB1H/X41mKgbhfv7AfG/44w=
-golang.org/x/mod v0.25.0/go.mod h1:IXM97Txy2VM4PJ3gI61r1YEk/gAj6zAHN3AdZt6S9Ww=
-golang.org/x/net v0.42.0 h1:jzkYrhi3YQWD6MLBJcsklgQsoAcw89EcZbJw8Z614hs=
-golang.org/x/net v0.42.0/go.mod h1:FF1RA5d3u7nAYA4z2TkclSCKh68eSXtiFwcWQpPXdt8=
-golang.org/x/sync v0.16.0 h1:ycBJEhp9p4vXvUZNszeOq0kGTPghopOL8q0fq3vstxw=
-golang.org/x/sync v0.16.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
+golang.org/x/mod v0.28.0 h1:gQBtGhjxykdjY9YhZpSlZIsbnaE2+PgjfLWUQTnoZ1U=
+golang.org/x/mod v0.28.0/go.mod h1:yfB/L0NOf/kmEbXjzCPOx1iK1fRutOydrCMsqRhEBxI=
+golang.org/x/net v0.45.0 h1:RLBg5JKixCy82FtLJpeNlVM0nrSqpCRYzVU1n8kj0tM=
+golang.org/x/net v0.45.0/go.mod h1:ECOoLqd5U3Lhyeyo/QDCEVQ4sNgYsqvCZ722XogGieY=
+golang.org/x/sync v0.17.0 h1:l60nONMj9l5drqw6jlhIELNv9I0A4OFgRsG9k2oT9Ug=
+golang.org/x/sync v0.17.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.35.0 h1:vz1N37gP5bs89s7He8XuIYXpyY0+QlsKmzipCbUtyxI=
-golang.org/x/sys v0.35.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
-golang.org/x/text v0.27.0 h1:4fGWRpyh641NLlecmyl4LOe6yDdfaYNrGb2zdfo4JV4=
-golang.org/x/text v0.27.0/go.mod h1:1D28KMCvyooCX9hBiosv5Tz/+YLxj0j7XhWjpSUF7CU=
-golang.org/x/tools v0.34.0 h1:qIpSLOxeCYGg9TrcJokLBG4KFA6d795g0xkBkiESGlo=
-golang.org/x/tools v0.34.0/go.mod h1:pAP9OwEaY1CAW3HOmg3hLZC5Z0CCmzjAF2UQMSqNARg=
+golang.org/x/sys v0.37.0 h1:fdNQudmxPjkdUTPnLn5mdQv7Zwvbvpaxqs831goi9kQ=
+golang.org/x/sys v0.37.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/text v0.30.0 h1:yznKA/E9zq54KzlzBEAWn1NXSQ8DIp/NYMy88xJjl4k=
+golang.org/x/text v0.30.0/go.mod h1:yDdHFIX9t+tORqspjENWgzaCVXgk0yYnYuSZ8UzzBVM=
+golang.org/x/tools v0.37.0 h1:DVSRzp7FwePZW356yEAChSdNcQo6Nsp+fex1SUW09lE=
+golang.org/x/tools v0.37.0/go.mod h1:MBN5QPQtLMHVdvsbtarmTNukZDdgwdwlO5qGacAzF0w=
 google.golang.org/protobuf v1.36.9 h1:w2gp2mA27hUeUzj9Ex9FBjsBm40zfaDtEWow293U7Iw=
 google.golang.org/protobuf v1.36.9/go.mod h1:fuxRtAxBytpl4zzqUh6/eyUujkJdNiuEkXntxiD/uRU=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/natefinch/lumberjack.v2 v2.2.1 h1:bBRl1b0OH9s/DuPhuXpNl+VtCaJXFZ5/uEFST95x9zc=
+gopkg.in/natefinch/lumberjack.v2 v2.2.1/go.mod h1:YD8tP3GAjkrDg1eZH7EGmyESg/lsYskCTPBJVb9jqSc=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gorm.io/gorm v1.31.0 h1:0VlycGreVhK7RF/Bwt51Fk8v0xLiiiFdbGDPIZQ7mJY=
+gorm.io/gorm v1.31.0/go.mod h1:XyQVbO2k6YkOis7C2437jSit3SsDK72s7n7rsSHd+Gs=
 modernc.org/cc/v4 v4.26.2 h1:991HMkLjJzYBIfha6ECZdjrIYz2/1ayr+FL8GN+CNzM=
 modernc.org/cc/v4 v4.26.2/go.mod h1:uVtb5OGqUKpoLWhqwNQo/8LwvoiEBLvZXIQ/SmO6mL0=
 modernc.org/ccgo/v4 v4.28.0 h1:rjznn6WWehKq7dG4JtLRKxb52Ecv8OUGah8+Z/SfpNU=
--- a/handlers/database.go
+++ b/handlers/database.go
@@ -3,52 +3,36 @@ package handlers
 import (
 	"crypto/hmac"
 	"crypto/sha256"
-	"database/sql"
 	"encoding/hex"
-	"fmt"
-	"os"
-	"path/filepath"

-	_ "modernc.org/sqlite"
+	"gitea.tecamino.com/paadi/dbHandler"
+	"gitea.tecamino.com/paadi/tecamino-logger/logging"
 )

 type DatabaseHandler struct {
-	database *sql.DB
+	database *dbHandler.DBHandler
 	token    []byte
 }

-func NewDatabaseHandler(file string, create bool) (*DatabaseHandler, error) {
-	if create {
-		// createOrOpenDB creates or opens a SQLite database at the given path.
-		// Create the directory if it doesn't exist
-		dir := filepath.Dir(file)
+func NewDatabaseHandler(name, path string, logger *logging.Logger) (*DatabaseHandler, error) {

-		err := os.MkdirAll(dir, os.ModePerm)
+	database, err := dbHandler.NewDBHandler(name, path, logger)
 	if err != nil {
-			return nil, fmt.Errorf("failed to create directory: %w", err)
+		return nil, err
 	}
-	} else {
-		if _, err := os.Stat(file); err != nil {
-			return nil, fmt.Errorf("%s not found", file)
-		}
-	}
-
-	// Open the database (creates it if it doesn't exist)
-	db, err := sql.Open("sqlite", file)
-	if err != nil {
-		return nil, fmt.Errorf("failed to open database: %w", err)
-	}
-
-	// Test the connection
-	if err = db.Ping(); err != nil {
-		return nil, fmt.Errorf("failed to connect to database: %w", err)
-	}
-
-	return &DatabaseHandler{database: db}, nil
+	return &DatabaseHandler{database: database}, nil
 }

-func (dh *DatabaseHandler) SetToken(token string) {
-	dh.token = []byte(token)
+func (dH *DatabaseHandler) DatabaseOpened() bool {
+	return dH.database != nil
+}
+
+func (dH *DatabaseHandler) AddNewTable(model any) error {
+	return dH.database.AddNewTable(model)
+}
+
+func (dH *DatabaseHandler) AddNewColum(model any) error {
+	return dH.database.AddNewColum(model)
 }

 func (dh *DatabaseHandler) hashField(field string) string {
@@ -56,3 +40,7 @@ func (dh *DatabaseHandler) hashField(field string) string {
 	h.Write([]byte(field))
 	return hex.EncodeToString(h.Sum(nil))
 }
+
+func (dh *DatabaseHandler) SetToken(token string) {
+	dh.token = []byte(token)
+}
--- a/handlers/events.go
+++ b/handlers/events.go
@@ -1,170 +1,104 @@
 package handlers

 import (
-	"encoding/json"
 	"errors"
-	"fmt"
 	"slices"
-	"strings"
 	"time"

 	"gitea.tecamino.com/paadi/memberDB/models"
 )

-func (dh *DatabaseHandler) CreateNewEventTable() error {
-	createTableSQL := `
-	CREATE TABLE IF NOT EXISTS events (
-		id INTEGER PRIMARY KEY AUTOINCREMENT,
-		name TEXT NOT NULL,
-		date TEXT UNIQUE NOT NULL,
-		attendees TEXT NOT NULL,
-		count INTEGER NOT NULL
-	);`
-
-	_, err := dh.database.Exec(createTableSQL)
-	if err != nil {
-		return fmt.Errorf("failed to create table: %w", err)
-	}
-	return nil
-}
-
-func (dh *DatabaseHandler) StartNewEvent(name string) error {
-	_, err := dh.database.Exec("INSERT INTO events (name, date, attendees, count) VALUES (?, ?, ?, ?)", name, time.Now().Format("2006-01-02 15:04:05"), "[]", 0)
-	return err
-}
-
-func (dh *DatabaseHandler) GetEvent(id int) (attendees []models.Event, err error) {
-	var args any
-	query := `SELECT id, name, date, attendees, count FROM events`
-
-	if id > 0 {
-		query += ` WHERE id = ?`
-		args = id
+func (dh *DatabaseHandler) StartNewEvent(event *models.Event) error {
+	if !dh.DatabaseOpened() {
+		return errors.New("database not opened")
 	}

-	rows, err := dh.database.Query(query, args)
+	if nil == dh.database.Exists(&models.Event{}, "name", event.Name, false) {
+		return errors.New("event with name: " + event.Name + " exists already")
+	}
+
+	event.Date = time.Now().Format("2006-01-02 15:04:05")
+	return dh.database.AddNewColum(&event)
+}
+
+func (dh *DatabaseHandler) GetEvent(id uint) (event []models.Event, err error) {
+	if !dh.DatabaseOpened() {
+		return event, errors.New("database not opened")
+	}
+
+	err = dh.database.GetById(&event, id)
 	if err != nil {
 		return
 	}
-	defer rows.Close()

-	for rows.Next() {
-		var id, count int
-		var name, date, attendance string
-		if err = rows.Scan(&id, &name, &date, &attendance, &count); err != nil {
+	for i := range event {
+		event[i].Count = len(event[i].Attendees)
+	}
 	return
-		}
-
-		var a []models.Person
-
-		if err := json.Unmarshal([]byte(attendance), &a); err != nil {
-			return attendees, err
-		}
-
-		attendees = append(attendees, models.Event{
-			Id:        id,
-			Name:      name,
-			Date:      date,
-			Attendees: a,
-			Count:     count,
-		})
-	}
-
-	return attendees, nil
 }

-func (dh *DatabaseHandler) DeleteEvent(ids ...int) error {
+func (dh *DatabaseHandler) UpdateEvent(id int, event models.Event) (err error) {
+	if !dh.DatabaseOpened() {
+		return errors.New("database not opened")
+	}
+	return dh.database.UpdateValuesById(&event, uint(event.Id))
+}
+
+func (dh *DatabaseHandler) DeleteEvent(ids ...uint) error {
+	if !dh.DatabaseOpened() {
+		return errors.New("database not opened")
+	}
+
 	if len(ids) == 0 {
 		return errors.New("no ids given to be deleted")
 	}

-	placeholders := make([]string, len(ids))
-	args := make([]any, len(ids))
-	for i, id := range ids {
-		placeholders[i] = "?"
-		args[i] = id
-	}
-	query := fmt.Sprintf("DELETE FROM events WHERE id IN (%s)", strings.Join(placeholders, ","))
-
-	_, err := dh.database.Exec(query, args...)
-	return err
+	return dh.database.DeleteById(&models.Event{}, ids...)
 }

-func (dh *DatabaseHandler) AddAttendeesToEvent(event models.Event) error {
-
-	//get event from database by id
-	row := dh.database.QueryRow(`SELECT attendees FROM events WHERE id = ?`, event.Id)
-
-	var attendeesString string
-	if err := row.Scan(&attendeesString); err != nil {
-		return err
+func (dh *DatabaseHandler) AddAttendeesToEvent(newEvent models.Event) error {
+	if !dh.DatabaseOpened() {
+		return errors.New("database not opened")
 	}
-	fmt.Println(attendeesString)

-	var attendees []models.Person
-	err := json.Unmarshal([]byte(attendeesString), &attendees)
+	var event models.Event
+	err := dh.database.GetById(&event, uint(newEvent.Id))
 	if err != nil {
 		return err
 	}

 next:
-	for _, newAttendee := range event.Attendees {
-		for _, attendee := range attendees {
+	for _, newAttendee := range newEvent.Attendees {
+		for _, attendee := range event.Attendees {
 			if attendee.FirstName == newAttendee.FirstName && attendee.LastName == newAttendee.LastName {
 				continue next
 			}
 		}
-		attendees = append(attendees, newAttendee)
+		event.Attendees = append(event.Attendees, newAttendee)
 	}

-	attendeesByte, err := json.Marshal(attendees)
-	if err != nil {
-		return err
-	}
+	event.Count = len(event.Attendees)

-	count := len(attendees)
-	_, err = dh.database.Exec("UPDATE events SET attendees= ? count= ? WHERE id= ?", string(attendeesByte), event.Id, count)
-	if err != nil {
-		return err
-	}
-
-	return nil
+	return dh.database.UpdateValuesById(&event, uint(newEvent.Id))
 }

-func (dh *DatabaseHandler) DeleteAttendeesFromEvent(event models.Event) error {
-	//get event from database by id
-	row := dh.database.QueryRow(`SELECT attendees FROM events WHERE id = ?`, event.Id)
-
-	var attendeesString string
-	if err := row.Scan(&attendeesString); err != nil {
-		return err
-	}
-	fmt.Println(attendeesString)
-
-	var attendees []models.Person
-	err := json.Unmarshal([]byte(attendeesString), &attendees)
-	if err != nil {
-		return err
+func (dh *DatabaseHandler) DeleteAttendeesFromEvent(newEvent models.Event) error {
+	if !dh.DatabaseOpened() {
+		return errors.New("database not opened")
 	}

-	for _, newAttendee := range event.Attendees {
-		for i, attendee := range attendees {
-			if attendee.FirstName == newAttendee.FirstName && attendee.LastName == newAttendee.LastName {
-				attendees = slices.Delete(attendees, i, i+1)
-			}
-		}
-	}
+	var event models.Event
+	dh.database.GetById(&event, uint(newEvent.Id))

-	attendeesByte, err := json.Marshal(attendees)
-	if err != nil {
-		return err
+next:
+	for _, newAttendee := range newEvent.Attendees {
+		for i := range event.Attendees {
+			if event.Attendees[i].FirstName == newAttendee.FirstName && event.Attendees[i].LastName == newAttendee.LastName {
+				event.Attendees = slices.Delete(event.Attendees, i, i+1)
+				continue next
 			}
-
-	count := len(attendees)
-	_, err = dh.database.Exec("UPDATE events SET attendees= ? count= ? WHERE id= ?", string(attendeesByte), event.Id, count)
-	if err != nil {
-		return err
 		}
-
-	return nil
+	}
+	event.Count = len(event.Attendees)
+	return dh.database.UpdateValuesById(&event, uint(newEvent.Id))
 }
--- a/handlers/members.go
+++ b/handlers/members.go
@@ -1,10 +1,8 @@
 package handlers

 import (
-	"database/sql"
 	"errors"
 	"fmt"
-	"strings"
 	"time"

 	"gitea.tecamino.com/paadi/memberDB/crypto"
@@ -12,37 +10,12 @@ import (
 	"gitea.tecamino.com/paadi/memberDB/utils"
 )

-// CreateNewMemberTable creates a new member table.
-func (dh *DatabaseHandler) CreateNewMemberTable() error {
-	createTableSQL := `
-	CREATE TABLE IF NOT EXISTS members (
-		id INTEGER PRIMARY KEY AUTOINCREMENT,
-		first_name TEXT NOT NULL,
-		first_name_hash TEXT NOT NULL,
-		last_name TEXT NOT NULL,
-		last_name_hash TEXT NOT NULL,
-		birthday TEXT NOT NULL,
-		birthday_hash TEXT NOT NULL,
-		address TEXT NOT NULL,
-		zip_code TEXT NOT NULL,
-		town TEXT NOT NULL,
-		phone TEXT NOT NULL,
-		email TEXT UNIQUE NOT NULL,
-		first_visit TEXT NOT NULL,
-		last_visit TEXT NOT NULL,
-		member_group TEXT NOT NULL,
-		responsible_person TEXT NOT NULL
-	);`
-
-	_, err := dh.database.Exec(createTableSQL)
-	if err != nil {
-		return fmt.Errorf("failed to create table: %w", err)
-	}
-	return nil
-}
-
 // AddNewMember adds a new member to memeber table at least fist, las name and birthday has to be entered
 func (dh *DatabaseHandler) AddNewMember(members ...models.Member) error {
+	if !dh.DatabaseOpened() {
+		return errors.New("database not opened")
+	}
+
 	for _, member := range members {

 		exists, err := dh.memberExists(member)
@@ -123,7 +96,23 @@ func (dh *DatabaseHandler) AddNewMember(members ...models.Member) error {
 			return err
 		}

-		_, err = dh.database.Exec("INSERT INTO members (first_name, first_name_hash, last_name, last_name_hash, birthday, birthday_hash, address, zip_code, town, phone, email, first_visit, last_visit, member_group, responsible_person) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)", encFirstName, dh.hashField(member.FirstName), encLastName, dh.hashField(member.LastName), encBirthday, dh.hashField(member.Birthday), encAddress, encZip, encTown, encPhone, encEmail, encFirstVisit, encLastVisit, encGroup, encResponsiblePerson)
+		member.FirstNameHash = dh.hashField(member.FirstName)
+		member.FirstName = encFirstName
+		member.LastNameHash = dh.hashField(member.LastName)
+		member.LastName = encLastName
+		member.BirthdayHash = dh.hashField(member.Birthday)
+		member.Birthday = encBirthday
+		member.Address = encAddress
+		member.Zip = encZip
+		member.Town = encTown
+		member.Phone = encPhone
+		member.Email = encEmail
+		member.FirstVisit = encFirstVisit
+		member.LastVisit = encLastVisit
+		member.Group = encGroup
+		member.ResponsiblePerson = encResponsiblePerson
+
+		err = dh.database.AddNewColum(&member)
 		if err != nil {
 			return err
 		}
@@ -132,290 +121,203 @@ func (dh *DatabaseHandler) AddNewMember(members ...models.Member) error {
 }

 // DeleteMember removes members by given ids
-func (dh *DatabaseHandler) DeleteMember(ids ...int) error {
+func (dh *DatabaseHandler) DeleteMember(ids ...uint) error {
+	if !dh.DatabaseOpened() {
+		return errors.New("database not opened")
+	}
+
 	if len(ids) == 0 {
 		return errors.New("no ids given to be deleted")
 	}
-
-	placeholders := make([]string, len(ids))
-	args := make([]any, len(ids))
-	for i, id := range ids {
-		placeholders[i] = "?"
-		args[i] = id
-	}
-	query := fmt.Sprintf("DELETE FROM members WHERE id IN (%s)", strings.Join(placeholders, ","))
-
-	_, err := dh.database.Exec(query, args...)
-	return err
+	return dh.database.DeleteById(&models.Member{}, ids...)
 }

 // GetMember returns one member by given id
-func (dh *DatabaseHandler) GetMember(id int) (members []models.Member, err error) {
-	var args any
-	query := `SELECT id, first_name, last_name, birthday, address, zip_code, town, phone, email, first_visit, last_visit, member_group, responsible_person FROM members`
-
-	if id > 0 {
-		query = ` WHERE id = ?`
-		args = id
+func (dh *DatabaseHandler) GetMember(id uint) (members []models.Member, err error) {
+	if !dh.DatabaseOpened() {
+		return members, errors.New("database not opened")
 	}

-	rows, err := dh.database.Query(query, args)
+	err = dh.database.GetById(&members, id)
 	if err != nil {
 		return
 	}
-	defer rows.Close()

-	for rows.Next() {
-		var id int
-		var encFirstName, encLastName, encBirthday, encAddress, encZip, encTown, encPhone, encEmail, encFirstVisit, encLastVisit, encGroup, encResponsiblePerson string
-		if err = rows.Scan(&id, &encFirstName, &encLastName, &encBirthday, &encAddress, &encZip, &encTown, &encPhone, &encEmail, &encFirstVisit, &encLastVisit, &encGroup, &encResponsiblePerson); err != nil {
+	for i := range members {
+		members[i].FirstName, err = crypto.Decrypt(members[i].FirstName, dh.token)
+		if err != nil {
 			return
 		}

-		firstName, err := crypto.Decrypt(encFirstName, dh.token)
+		members[i].LastName, err = crypto.Decrypt(members[i].LastName, dh.token)
 		if err != nil {
-			return members, err
+			return
 		}

-		lastName, err := crypto.Decrypt(encLastName, dh.token)
+		members[i].Birthday, err = crypto.Decrypt(members[i].Birthday, dh.token)
 		if err != nil {
-			return members, err
+			return
 		}

-		birthday, err := crypto.Decrypt(encBirthday, dh.token)
+		members[i].Address, err = crypto.Decrypt(members[i].Address, dh.token)
 		if err != nil {
-			return members, err
+			return
 		}

-		address, err := crypto.Decrypt(encAddress, dh.token)
+		members[i].Zip, err = crypto.Decrypt(members[i].Zip, dh.token)
 		if err != nil {
-			return members, err
+			return
 		}

-		zip, err := crypto.Decrypt(encZip, dh.token)
+		members[i].Town, err = crypto.Decrypt(members[i].Town, dh.token)
 		if err != nil {
-			return members, err
+			return
 		}

-		town, err := crypto.Decrypt(encTown, dh.token)
+		members[i].Phone, err = crypto.Decrypt(members[i].Phone, dh.token)
 		if err != nil {
-			return members, err
+			return
 		}

-		phone, err := crypto.Decrypt(encPhone, dh.token)
+		members[i].Email, err = crypto.Decrypt(members[i].Email, dh.token)
 		if err != nil {
-			return members, err
+			return
 		}

-		email, err := crypto.Decrypt(encEmail, dh.token)
+		members[i].FirstVisit, err = crypto.Decrypt(members[i].FirstVisit, dh.token)
 		if err != nil {
-			return members, err
+			return
 		}

-		firstVisit, err := crypto.Decrypt(encFirstVisit, dh.token)
+		members[i].LastVisit, err = crypto.Decrypt(members[i].LastVisit, dh.token)
 		if err != nil {
-			return members, err
+			return
 		}

-		lastVisit, err := crypto.Decrypt(encLastVisit, dh.token)
+		members[i].Group, err = crypto.Decrypt(members[i].Group, dh.token)
 		if err != nil {
-			return members, err
+			return
 		}

-		group, err := crypto.Decrypt(encGroup, dh.token)
+		members[i].ResponsiblePerson, err = crypto.Decrypt(members[i].ResponsiblePerson, dh.token)
 		if err != nil {
-			return members, err
+			return
 		}
-
-		responsiblePerson, err := crypto.Decrypt(encResponsiblePerson, dh.token)
-		if err != nil {
-			return members, err
 	}
-
-		members = append(members, models.Member{
-			Id:                id,
-			FirstName:         firstName,
-			LastName:          lastName,
-			Birthday:          birthday,
-			Address:           address,
-			Zip:               zip,
-			Town:              town,
-			Phone:             phone,
-			Email:             email,
-			FirstVisit:        firstVisit,
-			LastVisit:         lastVisit,
-			Group:             group,
-			ResponsiblePerson: responsiblePerson,
-		})
-	}
-
-	return members, nil
+	return
 }

 // UpdateMember updates/overrides all information given meber id
 func (dh *DatabaseHandler) UpdateMember(id int, member models.Member) (err error) {
-	var queryParameters []string
-	var args []any
-
-	if member.FirstName != "" {
-		encFirstName, err := crypto.Encrypt(member.FirstName, dh.token)
-		if err != nil {
-			return err
+	if !dh.DatabaseOpened() {
+		return errors.New("database not opened")
 	}

-		queryParameters = append(queryParameters, "first_name = ?")
-		queryParameters = append(queryParameters, "first_name_hash  = ?")
-
-		args = append(args, encFirstName)
-		args = append(args, dh.hashField(member.FirstName))
+	if member.FirstName != "" {
+		member.FirstNameHash = dh.hashField(member.FirstName)
+		member.FirstName, err = crypto.Encrypt(member.FirstName, dh.token)
+		if err != nil {
+			return
+		}
 	}

 	if member.LastName != "" {
-		encLastName, err := crypto.Encrypt(member.LastName, dh.token)
+		member.LastNameHash = dh.hashField(member.LastName)
+		member.LastName, err = crypto.Encrypt(member.LastName, dh.token)
 		if err != nil {
-			return err
+			return
 		}
-
-		queryParameters = append(queryParameters, "last_name = ?")
-		queryParameters = append(queryParameters, "last_name_hash = ?")
-
-		args = append(args, encLastName)
-		args = append(args, dh.hashField(member.LastName))
 	}

 	//check correct birtday format
 	if member.Birthday != "" && utils.IsValidBirthday(member.Birthday) {
-		encBirthday, err := crypto.Encrypt(member.Birthday, dh.token)
+		member.BirthdayHash = dh.hashField(member.BirthdayHash)
+		member.Birthday, err = crypto.Encrypt(member.Birthday, dh.token)
 		if err != nil {
 			return err
 		}
-
-		queryParameters = append(queryParameters, "birthday = ?")
-		queryParameters = append(queryParameters, "birthday_hash = ?")
-
-		args = append(args, encBirthday)
-		args = append(args, dh.hashField(member.Birthday))
 	} else if member.Birthday != "" {
 		return errors.New("incorrect birthday format")
 	}

 	if member.Address != "" {
-		encAddress, err := crypto.Encrypt(member.Address, dh.token)
+		member.Address, err = crypto.Encrypt(member.Address, dh.token)
 		if err != nil {
 			return err
 		}
-		queryParameters = append(queryParameters, "address = ?")
-
-		args = append(args, encAddress)
 	}

 	if member.Zip != "" {
-		encZip, err := crypto.Encrypt(member.Zip, dh.token)
+		member.Zip, err = crypto.Encrypt(member.Zip, dh.token)
 		if err != nil {
 			return err
 		}
-		queryParameters = append(queryParameters, "zip_code = ?")
-
-		args = append(args, encZip)
 	}

 	if member.Town != "" {
-		encTown, err := crypto.Encrypt(member.Town, dh.token)
+		member.Town, err = crypto.Encrypt(member.Town, dh.token)
 		if err != nil {
 			return err
 		}
-		queryParameters = append(queryParameters, "town = ?")
-
-		args = append(args, encTown)
 	}

 	if member.Phone != "" {
-		encPhone, err := crypto.Encrypt(member.Phone, dh.token)
+		member.Phone, err = crypto.Encrypt(member.Phone, dh.token)
 		if err != nil {
 			return err
 		}
-		queryParameters = append(queryParameters, "phone = ?")
-
-		args = append(args, encPhone)
 	}

 	//check correct email format
 	if member.Email != "" && utils.IsValidEmail(member.Email) {
-		encEmail, err := crypto.Encrypt(member.Email, dh.token)
+		member.Email, err = crypto.Encrypt(member.Email, dh.token)
 		if err != nil {
 			return err
 		}
-		queryParameters = append(queryParameters, "email = ?")
-
-		args = append(args, encEmail)
 	} else if member.Email != "" {
 		return errors.New("incorrect email format")
 	}

 	if member.FirstVisit != "" {
-		encFirstVisit, err := crypto.Encrypt(member.FirstVisit, dh.token)
+		member.FirstVisit, err = crypto.Encrypt(member.FirstVisit, dh.token)
 		if err != nil {
 			return err
 		}
-		queryParameters = append(queryParameters, "first_visit = ?")
-
-		args = append(args, encFirstVisit)
 	}

 	if member.LastVisit != "" {
-		encLastVisit, err := crypto.Encrypt(member.LastVisit, dh.token)
+		member.LastVisit, err = crypto.Encrypt(member.LastVisit, dh.token)
 		if err != nil {
 			return err
 		}
-		queryParameters = append(queryParameters, "last_visit = ?")
-
-		args = append(args, encLastVisit)
 	}

 	if member.Group != "" {
-		encFirstVisit, err := crypto.Encrypt(member.Group, dh.token)
+		member.Group, err = crypto.Encrypt(member.Group, dh.token)
 		if err != nil {
 			return err
 		}
-		queryParameters = append(queryParameters, "member_group = ?")
-
-		args = append(args, encFirstVisit)
 	}

 	if member.ResponsiblePerson != "" {
-		encResponsiblePerson, err := crypto.Encrypt(member.ResponsiblePerson, dh.token)
+		member.ResponsiblePerson, err = crypto.Encrypt(member.ResponsiblePerson, dh.token)
 		if err != nil {
 			return err
 		}
-		queryParameters = append(queryParameters, "responsible_person = ?")
-
-		args = append(args, encResponsiblePerson)
 	}
-
-	query := `UPDATE members SET `
-	query += strings.Join(queryParameters, ", ")
-	query += ` WHERE id = ?`
-	args = append(args, id)
-
-	_, err = dh.database.Exec(query, args...)
-	return err
+	return dh.database.UpdateValuesById(&member, uint(member.Id))
 }

 // memberExists helper to check wheter member already exists
-func (dh *DatabaseHandler) memberExists(member models.Member) (bool, error) {
-	query := `
-		SELECT 1 FROM members
-		WHERE first_name_hash = ? AND last_name_hash = ? AND birthday_hash = ?
-		LIMIT 1
-	`
-	var exists int
-	err := dh.database.QueryRow(query, dh.hashField(member.FirstName), dh.hashField(member.LastName), dh.hashField(member.Birthday)).Scan(&exists)
-
-	if err == sql.ErrNoRows {
-		return false, nil // no match
-	} else if err != nil {
-		return false, err // db error
+func (dh *DatabaseHandler) memberExists(checkMember models.Member) (bool, error) {
+	if !dh.DatabaseOpened() {
+		return false, errors.New("database not opened")
 	}

-	return true, nil // match found
+	var member models.Member
+	err := dh.database.Exists(&member, "birthdayHash", dh.hashField(checkMember.Birthday), false)
+	if err != nil {
+		return false, nil
+	}
+	return dh.hashField(checkMember.FirstName) == member.FirstNameHash && dh.hashField(checkMember.LastName) == member.LastNameHash && dh.hashField(checkMember.Birthday) == member.BirthdayHash, nil
 }
--- a/handlers/responsible.go
+++ b/handlers/responsible.go
@@ -1,30 +1,18 @@
 package handlers

 import (
-	"database/sql"
 	"errors"
-	"fmt"
-	"strings"

 	"gitea.tecamino.com/paadi/memberDB/models"
 )

-func (dh *DatabaseHandler) CreateNewResponsibleTable() error {
-	createTableSQL := `
-	CREATE TABLE IF NOT EXISTS responsible (
-		id INTEGER PRIMARY KEY AUTOINCREMENT,
-		first_name TEXT NOT NULL,
-		last_name TEXT UNIQUE NOT NULL
-	);`
-
-	_, err := dh.database.Exec(createTableSQL)
-	if err != nil {
-		return fmt.Errorf("failed to create table: %w", err)
-	}
-	return nil
-}
-
 func (dh *DatabaseHandler) AddNewResponsible(responsibles ...models.Person) error {
+	if !dh.DatabaseOpened() {
+		return errors.New("database not opened")
+	}
+	if !dh.DatabaseOpened() {
+		return errors.New("database not opened")
+	}
 	for _, responsible := range responsibles {

 		exists, err := dh.responsibleExists(responsible)
@@ -34,7 +22,7 @@ func (dh *DatabaseHandler) AddNewResponsible(responsibles ...models.Person) erro
 			continue
 		}

-		_, err = dh.database.Exec("INSERT INTO responsible (first_name, last_name) VALUES (?, ?)", responsible.FirstName, responsible.LastName)
+		err = dh.database.AddNewColum(&responsible)
 		if err != nil {
 			return err
 		}
@@ -42,69 +30,35 @@ func (dh *DatabaseHandler) AddNewResponsible(responsibles ...models.Person) erro
 	return nil
 }

-func (dh *DatabaseHandler) GetResponsible(id int) (persons []models.Person, err error) {
-	var args any
-	query := `SELECT id, first_name, last_name FROM responsible`
-
-	if id > 0 {
-		query = ` WHERE id = ?`
-		args = id
+func (dh *DatabaseHandler) GetResponsible(id uint) (persons []models.Person, err error) {
+	if !dh.DatabaseOpened() {
+		return persons, errors.New("database not opened")
 	}

-	rows, err := dh.database.Query(query, args)
-	if err != nil {
+	err = dh.database.GetById(&persons, id)
 	return
-	}
-	defer rows.Close()
-
-	for rows.Next() {
-		var id int
-		var firstName, lastName string
-		if err = rows.Scan(&id, &firstName, &lastName); err != nil {
-			return
-		}
-
-		persons = append(persons, models.Person{
-			Id:        id,
-			FirstName: firstName,
-			LastName:  lastName,
-		})
-	}
-
-	return persons, nil
 }

-func (dh *DatabaseHandler) DeleteResponsible(ids ...int) error {
+func (dh *DatabaseHandler) DeleteResponsible(ids ...uint) error {
+	if !dh.DatabaseOpened() {
+		return errors.New("database not opened")
+	}
+
 	if len(ids) == 0 {
 		return errors.New("no ids given to be deleted")
 	}
-
-	placeholders := make([]string, len(ids))
-	args := make([]any, len(ids))
-	for i, id := range ids {
-		placeholders[i] = "?"
-		args[i] = id
-	}
-	query := fmt.Sprintf("DELETE FROM responsible WHERE id IN (%s)", strings.Join(placeholders, ","))
-
-	_, err := dh.database.Exec(query, args...)
-	return err
+	return dh.database.DeleteById(&models.Person{}, ids...)
 }

-func (dh *DatabaseHandler) responsibleExists(responsible models.Person) (bool, error) {
-	query := `
-		SELECT 1 FROM responsible
-		WHERE first_name = ? AND last_name = ?
-		LIMIT 1
-	`
-	var exists int
-	err := dh.database.QueryRow(query, responsible.FirstName, responsible.LastName).Scan(&exists)
-
-	if err == sql.ErrNoRows {
-		return false, nil // no match
-	} else if err != nil {
-		return false, err // db error
+func (dh *DatabaseHandler) responsibleExists(CheckResponsible models.Person) (bool, error) {
+	if !dh.DatabaseOpened() {
+		return false, errors.New("database not opened")
 	}

-	return true, nil // match found
+	var person models.Person
+	err := dh.database.Exists(&person, "lastName", CheckResponsible.LastName, false)
+	if err != nil {
+		return false, nil
+	}
+	return person.FirstName == CheckResponsible.FirstName && person.LastName == CheckResponsible.LastName, nil
 }
--- a/main.go
+++ b/main.go
@@ -12,8 +12,13 @@ func main() {
 	url := flag.String("url", "127.0.0.1", "server url")
 	flag.Parse()

-	a := api.NewAPI(*url, *port)
-	if err := a.Run(); err != nil {
+	a, err := api.NewAPI(*url, *port, nil)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	err = a.Run()
+	if err != nil {
 		log.Fatal(err)
 	}
 }
--- a/member_test.go
+++ b/member_test.go
@@ -0,0 +1,220 @@
+package main
+
+import (
+	"bytes"
+	"encoding/json"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"testing"
+
+	"gitea.tecamino.com/paadi/memberDB/api"
+	"gitea.tecamino.com/paadi/memberDB/models"
+	"github.com/gin-gonic/gin"
+	"github.com/go-playground/assert/v2"
+)
+
+func TestErrors(t *testing.T) {
+	dbName := "test.db"
+	if _, err := os.Stat(dbName); err == nil {
+		t.Log("remove user.db to start test with empty database")
+		if err := os.Remove(dbName); err != nil {
+			t.Fatal(err)
+		}
+	}
+
+	t.Log("start member db test")
+
+	t.Log("initialize accessHandler")
+
+	r := gin.Default()
+
+	apiHandler, err := api.NewAPIHandler(nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	v1 := r.Group("v1")
+	v1.GET("/events", apiHandler.GetEvent)
+	v1.GET("/events/new", apiHandler.StartNewEvent)
+	v1.GET("/events/delete", apiHandler.DeleteEvent)
+	v1.GET("/members", apiHandler.GetMember)
+	v1.GET("/responsible", apiHandler.GetResponsible)
+
+	v1.POST("/database/open", apiHandler.OpenDatabase)
+	v1.POST("/members/add", apiHandler.AddNewMember)
+	v1.POST("/members/edit", apiHandler.UpdateMember)
+	v1.POST("/members/delete", apiHandler.DeleteMember)
+	v1.POST("/members/import/csv", apiHandler.ImportCSV)
+
+	v1.POST("/events/attendees/add", apiHandler.AddNewAttendees)
+	v1.POST("/events/attendees/delete", apiHandler.DeleteAttendee)
+
+	v1.POST("/responsible/add", apiHandler.AddNewResponsible)
+	v1.POST("/responsible/delete", apiHandler.DeleteResponsible)
+
+	type request struct {
+		Log         string
+		Name        string
+		Method      string
+		Path        string
+		Payload     any
+		Cookie      *http.Cookie
+		ignoreError bool
+	}
+	var requests []request
+
+	type payload struct {
+		DBPath    string `json:"dbPath,omitempty"`
+		Create    bool   `json:"create,omitempty"`
+		FirstName string `json:"FirstName,omitempty"`
+		LastName  string `json:"lastName,omitempty"`
+		Birthday  string `json:"birthday,omitempty"`
+	}
+	requests = append(requests,
+
+		request{Log: "error db not opened", Name: "error db not opened", Method: "POST", Path: "/v1/members/add", Payload: payload{FirstName: "Adrian", LastName: "Zürcher", Birthday: "23.06.1987"}, ignoreError: true},
+		request{Log: "open member db", Name: "open member db", Method: "POST", Path: "/v1/database/open", Payload: payload{DBPath: "test.db", Create: true}},
+		request{Log: "add new member", Name: "add new member", Method: "POST", Path: "/v1/members/add", Payload: payload{FirstName: "Adrian", LastName: "Zürcher", Birthday: "23.06.1987"}, ignoreError: true},
+		request{Log: "error first name missing", Name: "error first name missing", Method: "POST", Path: "/v1/members/add", Payload: payload{LastName: "Zürcher", Birthday: "23.06.1987"}, ignoreError: true},
+		request{Log: "error last name missing", Name: "error last name missing", Method: "POST", Path: "/v1/members/add", Payload: payload{FirstName: "Adrian", Birthday: "23.06.1987"}, ignoreError: true},
+		request{Log: "error birthday missing", Name: "error birthday missing", Method: "POST", Path: "/v1/members/add", Payload: payload{FirstName: "Paulina", LastName: "Zürcher"}, ignoreError: true},
+		request{Log: "error wrong birthday format", Name: "error wrong birthday format", Method: "POST", Path: "/v1/members/add", Payload: payload{FirstName: "Paulina", LastName: "Zürcher", Birthday: "213.06.1987"}, ignoreError: true},
+	)
+
+	for _, request := range requests {
+		if request.Log != "" {
+			t.Log(request.Log)
+
+		}
+		var bodyReader io.Reader
+		if request.Payload != nil {
+			jsonBytes, _ := json.Marshal(request.Payload)
+			bodyReader = bytes.NewBuffer(jsonBytes)
+		}
+		req, _ := http.NewRequest(request.Method, request.Path, bodyReader)
+		if request.Cookie != nil {
+			req.AddCookie(request.Cookie) // attach refresh_token cookie
+		}
+		w := httptest.NewRecorder()
+
+		r.ServeHTTP(w, req)
+
+		t.Log(request.Name+" response:", w.Body.String())
+		if !request.ignoreError {
+			assert.Equal(t, http.StatusOK, w.Code)
+		}
+	}
+}
+func TestMemberDB(t *testing.T) {
+	dbName := "test.db"
+	if _, err := os.Stat(dbName); err == nil {
+		t.Log("remove user.db to start test with empty database")
+		if err := os.Remove(dbName); err != nil {
+			t.Fatal(err)
+		}
+	}
+
+	t.Log("start member db test")
+
+	t.Log("initialize accessHandler")
+
+	r := gin.Default()
+
+	apiHandler, err := api.NewAPIHandler(nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	v1 := r.Group("v1")
+	v1.GET("/events", apiHandler.GetEvent)
+	v1.GET("/members", apiHandler.GetMember)
+	v1.GET("/responsible", apiHandler.GetResponsible)
+
+	v1.POST("/database/open", apiHandler.OpenDatabase)
+	v1.POST("/members/add", apiHandler.AddNewMember)
+	v1.POST("/members/edit", apiHandler.UpdateMember)
+	v1.POST("/members/delete", apiHandler.DeleteMember)
+	v1.POST("/members/import/csv", apiHandler.ImportCSV)
+
+	v1.POST("/events/new", apiHandler.StartNewEvent)
+	v1.POST("/events/attendees/add", apiHandler.AddNewAttendees)
+	v1.POST("/events/attendees/delete", apiHandler.DeleteAttendee)
+	v1.POST("/events/edit", apiHandler.UpdateEvent)
+	v1.POST("/events/delete", apiHandler.DeleteEvent)
+
+	v1.POST("/responsible/add", apiHandler.AddNewResponsible)
+	v1.POST("/responsible/delete", apiHandler.DeleteResponsible)
+
+	type request struct {
+		Log         string
+		Name        string
+		Method      string
+		Path        string
+		Payload     any
+		Cookie      *http.Cookie
+		ignoreError bool
+	}
+	var requests []request
+
+	type payload struct {
+		DBPath    string `json:"dbPath,omitempty"`
+		Create    bool   `json:"create,omitempty"`
+		Ids       []uint `json:"ids,omitempty"`
+		FirstName string `json:"FirstName,omitempty"`
+		LastName  string `json:"lastName,omitempty"`
+		Birthday  string `json:"birthday,omitempty"`
+		Group     string `json:"group,omitempty"`
+	}
+
+	requests = append(requests,
+		request{Log: "open member db", Name: "open member db", Method: "POST", Path: "/v1/database/open", Payload: payload{DBPath: "test.db", Create: true}},
+
+		request{Log: "add new member", Name: "add new member", Method: "POST", Path: "/v1/members/add", Payload: payload{FirstName: "Adrian", LastName: "Zürcher", Birthday: "23.06.1987"}},
+		request{Log: "add existing member", Name: "add existing member", Method: "POST", Path: "/v1/members/add", Payload: payload{FirstName: "Adrian", LastName: "Zürcher", Birthday: "23.06.1987"}, ignoreError: true},
+		request{Log: "add new member", Name: "add new member", Method: "POST", Path: "/v1/members/add", Payload: payload{FirstName: "Paulina", LastName: "Zürcher", Birthday: "15.01.1991"}},
+		request{Log: "get members", Name: "get members", Method: "GET", Path: "/v1/members"},
+		request{Log: "update members", Name: "update members", Method: "POST", Path: "/v1/members/edit?id=1", Payload: payload{Group: "testGroup"}},
+		request{Log: "get again members", Name: "get again members", Method: "GET", Path: "/v1/members"},
+		request{Log: "delete members", Name: "delete members", Method: "POST", Path: "/v1/members/delete", Payload: payload{Ids: []uint{2, 1}}},
+		request{Log: "get again members", Name: "get again members", Method: "GET", Path: "/v1/members"},
+
+		request{Log: "new event", Name: "new event", Method: "GET", Path: "/v1/events/new?name=testEvent"},
+		request{Log: "add new attendee", Name: "add new attendee", Method: "POST", Path: "/v1/events/attendees/add", Payload: models.Event{Attendees: models.Persons{{FirstName: "Adi", LastName: "Züri"}}}},
+		request{Log: "add another attendee", Name: "add another attendee", Method: "POST", Path: "/v1/events/attendees/add", Payload: models.Event{Attendees: models.Persons{{FirstName: "Pau", LastName: "Züri"}}}},
+		request{Log: "get events", Name: "get events", Method: "GET", Path: "/v1/events"},
+		request{Log: "add delete attendee", Name: "add delete attendee", Method: "POST", Path: "/v1/events/attendees/delete", Payload: models.Event{Attendees: models.Persons{{FirstName: "Adi", LastName: "Züri"}}}},
+		request{Log: "get events", Name: "get events", Method: "GET", Path: "/v1/events"},
+
+		request{Log: "add responsible", Name: "add responsible", Method: "POST", Path: "/v1/responsible/add", Payload: models.Person{FirstName: "Max", LastName: "Muster"}},
+		request{Log: "add another responsible", Name: "add another responsible", Method: "POST", Path: "/v1/responsible/add", Payload: models.Person{FirstName: "Hausi", LastName: "Muster"}},
+		request{Log: "get responsible", Name: "get responsible", Method: "GET", Path: "/v1/responsible"},
+		request{Log: "delete responsible id 1", Name: "delete responsible id 1", Method: "POST", Path: "/v1/responsible/delete", Payload: payload{Ids: []uint{1}}},
+		request{Log: "get responsible", Name: "get responsible", Method: "GET", Path: "/v1/responsible"},
+	)
+
+	for _, request := range requests {
+		if request.Log != "" {
+			t.Log(request.Log)
+
+		}
+		var bodyReader io.Reader
+		if request.Payload != nil {
+			jsonBytes, _ := json.Marshal(request.Payload)
+			bodyReader = bytes.NewBuffer(jsonBytes)
+		}
+		req, _ := http.NewRequest(request.Method, request.Path, bodyReader)
+		if request.Cookie != nil {
+			req.AddCookie(request.Cookie) // attach refresh_token cookie
+		}
+		w := httptest.NewRecorder()
+
+		r.ServeHTTP(w, req)
+
+		t.Log(request.Name+" response:", w.Body.String())
+		if !request.ignoreError {
+			assert.Equal(t, http.StatusOK, w.Code)
+		}
+	}
+}
--- a/models/event.go
+++ b/models/event.go
@@ -1,9 +1,9 @@
 package models

 type Event struct {
-	Id        int      `json:"id"`
-	Name      string   `json:"name"`
-	Date      string   `json:"date"`
-	Attendees []Person `json:"attendees"`
-	Count     int      `json:"count"`
+	Id        int     `gorm:"primaryKey" json:"id"`
+	Name      string  `gorm:"column:name" json:"name"`
+	Date      string  `gorm:"column:date" json:"date"`
+	Attendees Persons `gorm:"type:json" json:"attendees"`
+	Count     int     `gorm:"column:count" json:"count"`
 }
--- a/models/member.go
+++ b/models/member.go
@@ -1,17 +1,20 @@
 package models

 type Member struct {
-	Id                int    `json:"id,omitempty"`
-	FirstName         string `json:"firstName,omitempty"`
-	LastName          string `json:"lastName,omitempty"`
-	Birthday          string `json:"birthday,omitempty"`
-	Address           string `json:"address,omitempty"`
-	Zip               string `json:"zip,omitempty"`
-	Town              string `json:"town,omitempty"`
-	Phone             string `json:"phone,omitempty"`
-	Email             string `json:"email,omitempty"`
-	FirstVisit        string `json:"firstVisit,omitempty"`
-	LastVisit         string `json:"lastVisit,omitempty"`
-	Group             string `json:"group,omitempty"`
-	ResponsiblePerson string `json:"responsiblePerson,omitempty"`
+	Id                int    `gorm:"primaryKey" json:"id"`
+	FirstName         string `gorm:"column:firstName" json:"firstName,omitempty"`
+	FirstNameHash     string `gorm:"column:firstNameHash" json:"-"`
+	LastName          string `gorm:"column:lastName" json:"lastName,omitempty"`
+	LastNameHash      string `gorm:"column:lastNameHash" json:"-"`
+	Birthday          string `gorm:"column:birthday" json:"birthday,omitempty"`
+	BirthdayHash      string `gorm:"column:birthdayHash" json:"-"`
+	Address           string `gorm:"column:address" json:"address,omitempty"`
+	Zip               string `gorm:"column:zip" json:"zip,omitempty"`
+	Town              string `gorm:"column:town" json:"town,omitempty"`
+	Phone             string `gorm:"column:phone" json:"phone,omitempty"`
+	Email             string `gorm:"column:email" json:"email,omitempty"`
+	FirstVisit        string `gorm:"column:firstVisit" json:"firstVisit,omitempty"`
+	LastVisit         string `gorm:"column:lastVisit" json:"lastVisit,omitempty"`
+	Group             string `gorm:"column:group" json:"group,omitempty"`
+	ResponsiblePerson string `gorm:"column:responsiblePerson" json:"responsiblePerson,omitempty"`
 }
--- a/models/person.go
+++ b/models/person.go
@@ -1,7 +1,29 @@
 package models

+import (
+	"database/sql/driver"
+	"encoding/json"
+	"fmt"
+)
+
+type Persons []Person
+
 type Person struct {
-	Id        int    `json:"id,omitEmpty"`
-	FirstName string `json:"firstName"`
-	LastName  string `json:"lastName"`
+	Id        int    `gorm:"primaryKey" json:"id"`
+	FirstName string `gorm:"column:firstName" json:"firstName"`
+	LastName  string `gorm:"column:lastName" json:"lastName"`
+}
+
+// --- Implement driver.Valuer (for saving to DB)
+func (r Persons) Value() (driver.Value, error) {
+	return json.Marshal(r)
+}
+
+// --- Implement sql.Scanner (for reading from DB)
+func (r *Persons) Scan(value any) error {
+	bytes, ok := value.([]byte)
+	if !ok {
+		return fmt.Errorf("failed to unmarshal Settings: %v", value)
+	}
+	return json.Unmarshal(bytes, r)
 }
Author	SHA1	Message	Date
Adrian Zürcher	a20a21d251	change start events to return event as data	2025-11-06 09:03:56 +01:00
Adrian Zürcher	ee7ce526f3	change new event from get to post	2025-11-06 08:56:00 +01:00
Adrian Zürcher	a938f41e94	add new function update event	2025-11-05 11:18:30 +01:00
Adrian Zürcher	1d09705adb	fix wrong api call	2025-11-04 09:39:11 +01:00
Adrian Zürcher	4ee558b340	fix wrong api call	2025-11-04 09:38:35 +01:00
Adrian Zürcher	ad44a65087	update member from one to several ids	2025-11-04 09:35:52 +01:00
Adrian Zürcher	e3870de7d5	fix wrong mix of new current ids	2025-11-04 08:24:27 +01:00
Adrian Zürcher	25f965cd72	fix wrong event id	2025-11-04 08:20:15 +01:00
Adrian Zürcher	25f744b26c	change error output of startnewevent	2025-11-01 23:22:46 +01:00
Adrian Zürcher	ec77c8a488	add exists check to events and fix wrong event name	2025-11-01 23:17:58 +01:00
Adrian Zürcher	80675ed328	implement dbhandler package and new test file	2025-10-31 08:11:07 +01:00
Adrian Zürcher	1568ee2482	add gitignore	2025-10-31 08:10:28 +01:00