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package controllers
import (
"context"
"fiber-mongo-api/configs"
"fiber-mongo-api/models"
"fiber-mongo-api/responses"
"net/http"
"time"
"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 categoryCollection *mongo.Collection = configs.GetCollection(configs.DB, "categorys")
func CreateCategory(c *fiber.Ctx) error {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
var category models.Category
defer cancel()
//validate the request body
if err := c.BodyParser(&category); err != nil {
return c.Status(http.StatusBadRequest).JSON(responses.CategoryResponse{Status: http.StatusBadRequest, Message: "error", Data: &fiber.Map{"data": err.Error()}})
}
//use the validator library to validate required fields
if validationErr := validate.Struct(&category); validationErr != nil {
return c.Status(http.StatusBadRequest).JSON(responses.CategoryResponse{Status: http.StatusBadRequest, Message: "error", Data: &fiber.Map{"data": validationErr.Error()}})
}
newCategory := models.Category{
Name: category.Name,
}
result, err := categoryCollection.InsertOne(ctx, newCategory)
if err != nil {
return c.Status(http.StatusInternalServerError).JSON(responses.CategoryResponse{Status: http.StatusInternalServerError, Message: "error", Data: &fiber.Map{"data": err.Error()}})
}
return c.Status(http.StatusCreated).JSON(responses.CategoryResponse{Status: http.StatusCreated, Message: "success", Data: &fiber.Map{"data": result}})
}
func GetACategory(c *fiber.Ctx) error {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
categoryId := c.Params("categoryId")
var category models.Category
defer cancel()
objId, _ := primitive.ObjectIDFromHex(categoryId)
err := categoryCollection.FindOne(ctx, bson.M{"id": objId}).Decode(&category)
if err != nil {
return c.Status(http.StatusInternalServerError).JSON(responses.CategoryResponse{Status: http.StatusInternalServerError, Message: "error", Data: &fiber.Map{"data": err.Error()}})
}
return c.Status(http.StatusOK).JSON(responses.CategoryResponse{Status: http.StatusOK, Message: "success", Data: &fiber.Map{"data": category}})
}
func EditACategory(c *fiber.Ctx) error {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
categoryId := c.Params("categoryId")
var category models.Category
defer cancel()
objId, _ := primitive.ObjectIDFromHex(categoryId)
//validate the request body
if err := c.BodyParser(&category); err != nil {
return c.Status(http.StatusBadRequest).JSON(responses.CategoryResponse{Status: http.StatusBadRequest, Message: "error", Data: &fiber.Map{"data": err.Error()}})
}
//use the validator library to validate required fields
if validationErr := validate.Struct(&category); validationErr != nil {
return c.Status(http.StatusBadRequest).JSON(responses.CategoryResponse{Status: http.StatusBadRequest, Message: "error", Data: &fiber.Map{"data": validationErr.Error()}})
}
update := bson.M{"name": category.Name}
result, err := categoryCollection.UpdateOne(ctx, bson.M{"id": objId}, bson.M{"$set": update})
if err != nil {
return c.Status(http.StatusInternalServerError).JSON(responses.CategoryResponse{Status: http.StatusInternalServerError, Message: "error", Data: &fiber.Map{"data": err.Error()}})
}
//get updated user details
var updatedCategory models.Category
if result.MatchedCount == 1 {
err := categoryCollection.FindOne(ctx, bson.M{"id": objId}).Decode(&updatedCategory)
if err != nil {
return c.Status(http.StatusInternalServerError).JSON(responses.CategoryResponse{Status: http.StatusInternalServerError, Message: "error", Data: &fiber.Map{"data": err.Error()}})
}
}
return c.Status(http.StatusOK).JSON(responses.CategoryResponse{Status: http.StatusOK, Message: "success", Data: &fiber.Map{"data": updatedCategory}})
}
func DeleteACategory(c *fiber.Ctx) error {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
categoryId := c.Params("categoryId")
defer cancel()
objId, _ := primitive.ObjectIDFromHex(categoryId)
result, err := categoryCollection.DeleteOne(ctx, bson.M{"id": objId})
if err != nil {
return c.Status(http.StatusInternalServerError).JSON(responses.CategoryResponse{Status: http.StatusInternalServerError, Message: "error", Data: &fiber.Map{"data": err.Error()}})
}
if result.DeletedCount < 1 {
return c.Status(http.StatusNotFound).JSON(
responses.CategoryResponse{Status: http.StatusNotFound, Message: "error", Data: &fiber.Map{"data": "Category with specified ID not found!"}},
)
}
return c.Status(http.StatusOK).JSON(
responses.CategoryResponse{Status: http.StatusOK, Message: "success", Data: &fiber.Map{"data": "Category successfully deleted!"}},
)
}
func GetAllCategorys(c *fiber.Ctx) error {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
var categorys []models.Category
defer cancel()
results, err := categoryCollection.Find(ctx, bson.M{})
if err != nil {
return c.Status(http.StatusInternalServerError).JSON(responses.CategoryResponse{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.Category
if err = results.Decode(&singleUser); err != nil {
return c.Status(http.StatusInternalServerError).JSON(responses.CategoryResponse{Status: http.StatusInternalServerError, Message: "error", Data: &fiber.Map{"data": err.Error()}})
}
categorys = append(categorys, singleUser)
}
return c.Status(http.StatusOK).JSON(
responses.CategoryResponse{Status: http.StatusOK, Message: "success", Data: &fiber.Map{"data": categorys}},
)
}