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package controllers
import (
"Esan-Shabu/configs"
"Esan-Shabu/models"
"Esan-Shabu/responses"
"context"
"net/http"
"time"
"github.com/go-playground/validator/v10"
"github.com/gofiber/fiber/v2"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/bson/primitive"
"go.mongodb.org/mongo-driver/mongo"
)
var menuCollection *mongo.Collection = configs.GetCollection(configs.DB, "menus")
var validate = validator.New()
func CreateMenu(c *fiber.Ctx) error {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
var menu models.Menu
defer cancel()
//validate the request body
if err := c.BodyParser(&menu); err != nil {
return c.Status(http.StatusBadRequest).JSON(responses.MenuResponse{Status: http.StatusBadRequest, Message: "error", Data: &fiber.Map{"data": err.Error()}})
}
//use the validator library to validate required fields
if validationErr := validate.Struct(&menu); validationErr != nil {
return c.Status(http.StatusBadRequest).JSON(responses.MenuResponse{Status: http.StatusBadRequest, Message: "error", Data: &fiber.Map{"data": validationErr.Error()}})
}
newMenu := models.Menu{
Name: menu.Name,
Category: menu.Category,
Price: menu.Price,
Description: menu.Description,
Image: menu.Image,
}
result, err := menuCollection.InsertOne(ctx, newMenu)
if err != nil {
return c.Status(http.StatusInternalServerError).JSON(responses.MenuResponse{Status: http.StatusInternalServerError, Message: "error", Data: &fiber.Map{"data": err.Error()}})
}
return c.Status(http.StatusCreated).JSON(responses.MenuResponse{Status: http.StatusCreated, Message: "success", Data: &fiber.Map{"data": result}})
}
func GetAMenu(c *fiber.Ctx) error {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
menuId := c.Params("menuId")
var menu models.Menu
defer cancel()
objId, _ := primitive.ObjectIDFromHex(menuId)
err := menuCollection.FindOne(ctx, bson.M{"_id": objId}).Decode(&menu)
if err != nil {
return c.Status(http.StatusInternalServerError).JSON(responses.MenuResponse{Status: http.StatusInternalServerError, Message: "error", Data: &fiber.Map{"data": err.Error()}})
}
return c.Status(http.StatusOK).JSON(responses.MenuResponse{Status: http.StatusOK, Message: "success", Data: &fiber.Map{"data": menu}})
}
func EditAMenu(c *fiber.Ctx) error {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
menuId := c.Params("menuId")
var menu models.Menu
defer cancel()
objId, _ := primitive.ObjectIDFromHex(menuId)
//validate the request body
if err := c.BodyParser(&menu); err != nil {
return c.Status(http.StatusBadRequest).JSON(responses.MenuResponse{Status: http.StatusBadRequest, Message: "error", Data: &fiber.Map{"data": err.Error()}})
}
//use the validator library to validate required fields
if validationErr := validate.Struct(&menu); validationErr != nil {
return c.Status(http.StatusBadRequest).JSON(responses.MenuResponse{Status: http.StatusBadRequest, Message: "error", Data: &fiber.Map{"data": validationErr.Error()}})
}
update := bson.M{"name": menu.Name, "price": menu.Price, "description": menu.Description}
result, err := menuCollection.UpdateOne(ctx, bson.M{"_id": objId}, bson.M{"$set": update})
if err != nil {
return c.Status(http.StatusInternalServerError).JSON(responses.MenuResponse{Status: http.StatusInternalServerError, Message: "error", Data: &fiber.Map{"data": err.Error()}})
}
//get updated user details
var updatedMenu models.Menu
if result.MatchedCount == 1 {
err := menuCollection.FindOne(ctx, bson.M{"_id": objId}).Decode(&updatedMenu)
if err != nil {
return c.Status(http.StatusInternalServerError).JSON(responses.MenuResponse{Status: http.StatusInternalServerError, Message: "error", Data: &fiber.Map{"data": err.Error()}})
}
}
return c.Status(http.StatusOK).JSON(responses.MenuResponse{Status: http.StatusOK, Message: "success", Data: &fiber.Map{"data": updatedMenu}})
}
func DeleteAMenu(c *fiber.Ctx) error {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
menuId := c.Params("menuId")
defer cancel()
objId, _ := primitive.ObjectIDFromHex(menuId)
result, err := menuCollection.DeleteOne(ctx, bson.M{"_id": objId})
if err != nil {
return c.Status(http.StatusInternalServerError).JSON(responses.MenuResponse{Status: http.StatusInternalServerError, Message: "error", Data: &fiber.Map{"data": err.Error()}})
}
if result.DeletedCount < 1 {
return c.Status(http.StatusNotFound).JSON(
responses.MenuResponse{Status: http.StatusNotFound, Message: "error", Data: &fiber.Map{"data": "Menu with specified ID not found!"}},
)
}
return c.Status(http.StatusOK).JSON(
responses.MenuResponse{Status: http.StatusOK, Message: "success", Data: &fiber.Map{"data": "Menu successfully deleted!"}},
)
}
func GetAllMenus(c *fiber.Ctx) error {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
var menus []models.Menu
defer cancel()
results, err := menuCollection.Find(ctx, bson.M{})
if err != nil {
return c.Status(http.StatusInternalServerError).JSON(responses.MenuResponse{Status: http.StatusInternalServerError, Message: "error", Data: &fiber.Map{"data": err.Error()}})
}
//reading from the db in an optimal way
defer results.Close(ctx)
for results.Next(ctx) {
var singleUser models.Menu
if err = results.Decode(&singleUser); err != nil {
return c.Status(http.StatusInternalServerError).JSON(responses.MenuResponse{Status: http.StatusInternalServerError, Message: "error", Data: &fiber.Map{"data": err.Error()}})
}
menus = append(menus, singleUser)
}
return c.Status(http.StatusOK).JSON(
responses.MenuResponse{Status: http.StatusOK, Message: "success", Data: &fiber.Map{"data": menus}},
)
}