add new group table to database

api/apiHandler.go

@@ -91,6 +91,12 @@ func (a *APIHandler) OpenDatabase(c *gin.Context) {
 		return
 	}
 
+	if err := a.DbHandler.AddNewTable(&models.Group{}); err != nil {
+		a.logger.Error("OpenDatabase", err)
+		c.JSON(http.StatusInternalServerError, nil)
+		return
+	}
+
 	a.DbHandler.SetToken(database.Token)
 
 	c.JSON(http.StatusOK, gin.H{

api/groupHandler.go

@@ -0,0 +1,128 @@
+package api
+
+import (
+	"net/http"
+	"strconv"
+
+	"gitea.tecamino.com/paadi/memberDB/models"
+	"github.com/gin-gonic/gin"
+)
+
+func (a *APIHandler) NewGroup(c *gin.Context) {
+	if !a.DBHandlerIsInitialized() {
+		a.logger.Error("StartNewEvent", "database handler is not initialized")
+		c.JSON(http.StatusInternalServerError, nil)
+		return
+	}
+
+	var group models.Group
+	err := c.BindJSON(&group)
+	if err != nil {
+		a.logger.Error("NewGroup", err)
+		c.JSON(http.StatusInternalServerError, nil)
+		return
+	}
+
+	if err := a.DbHandler.NewGroup(&group); err != nil {
+		a.logger.Error("NewGroup", err)
+		c.JSON(http.StatusBadRequest, gin.H{"message": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{
+		"message": "New group added " + group.Name,
+	})
+}
+
+func (a *APIHandler) GetGroup(c *gin.Context) {
+	if !a.DBHandlerIsInitialized() {
+		a.logger.Error("GetGroup", "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)
+		if err != nil {
+			a.logger.Error("GetGroup", err)
+
+			c.JSON(http.StatusInternalServerError, nil)
+			return
+		}
+	}
+
+	groups, err := a.DbHandler.GetGroup(uint(i))
+	if err != nil {
+		a.logger.Error("GetGroup", err)
+		c.JSON(http.StatusBadRequest, nil)
+		return
+	}
+
+	c.JSON(http.StatusOK, groups)
+}
+
+func (a *APIHandler) UpdateGroup(c *gin.Context) {
+	if !a.DBHandlerIsInitialized() {
+		a.logger.Error("UpdateGroup", "database handler is not initialized")
+		c.JSON(http.StatusInternalServerError, nil)
+		return
+	}
+
+	var groups []models.Group
+	err := c.BindJSON(&groups)
+	if err != nil {
+		a.logger.Error("UpdateGroup", err)
+		c.JSON(http.StatusInternalServerError, nil)
+		return
+	}
+
+	for _, event := range groups {
+		err = a.DbHandler.UpdateGroup(event.Id, event)
+		if err != nil {
+			a.logger.Error("UpdateGroup", err)
+			c.JSON(http.StatusBadRequest, gin.H{
+				"message": err.Error(),
+			})
+			return
+		}
+	}
+	c.JSON(http.StatusOK, gin.H{
+		"message": "group(s) updated",
+	})
+}
+
+func (a *APIHandler) DeleteGroup(c *gin.Context) {
+	if !a.DBHandlerIsInitialized() {
+		a.logger.Error("DeleteGroup", "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("DeleteGroup", err)
+		c.JSON(http.StatusBadRequest, nil)
+		return
+	}
+
+	err = a.DbHandler.DeleteGroup(request.Ids...)
+	if err != nil {
+		a.logger.Error("DeleteGroup", err)
+		c.JSON(http.StatusBadRequest, gin.H{
+			"message": err.Error(),
+		})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{
+		"message": "group deleted",
+	})
+}

handlers/group.go

@@ -0,0 +1,49 @@
+package handlers
+
+import (
+	"errors"
+
+	"gitea.tecamino.com/paadi/memberDB/models"
+)
+
+func (dh *DatabaseHandler) NewGroup(group *models.Group) error {
+	if !dh.DatabaseOpened() {
+		return errors.New("database not opened")
+	}
+
+	if dh.database.Exists(&models.Group{}, "name", group.Name, false) {
+		return errors.New("group with name: " + group.Name + " exists already")
+	}
+	return dh.database.AddNewColum(&group)
+}
+
+func (dh *DatabaseHandler) GetGroup(id uint) (group []models.Group, err error) {
+	if !dh.DatabaseOpened() {
+		return group, errors.New("database not opened")
+	}
+
+	err = dh.database.GetById(&group, id)
+	if err != nil {
+		return
+	}
+	return
+}
+
+func (dh *DatabaseHandler) UpdateGroup(id int, group models.Group) (err error) {
+	if !dh.DatabaseOpened() {
+		return errors.New("database not opened")
+	}
+	return dh.database.UpdateValuesById(&group, uint(group.Id))
+}
+
+func (dh *DatabaseHandler) DeleteGroup(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")
+	}
+
+	return dh.database.DeleteById(&models.Group{}, ids...)
+}

models/group.go

@@ -0,0 +1,6 @@
+package models
+
+type Group struct {
+	Id   int    `gorm:"primaryKey" json:"id"`
+	Name string `gorm:"column:name" json:"name"`
+}