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Website : rimsha.abasa.com
: / var / www / ah7-backend / src / controllers /
Filename : food.controller.js
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import Food from "../models/food.model.js";
import responseHandler from "../utils/ResponseHandler.js";
import { uploadFileToS3, deleteFileFromS3 } from "../services/s3Service.js";

//  GET ALL FOODS
const getFoods = async (req, res) => {
  try {
    const foods = await Food.find({});
    return responseHandler.success(res, "Foods fetched successfully", foods);
  } catch (error) {
    return responseHandler.error(res, "Failed to fetch foods", 500, error.message);
  }
};

//  ADD FOOD (with image upload to S3)
const addFood = async (req, res) => {
  try {
    const {
      food_name, calories, total_fat, protein,
      carbohydrates, sugars, fiber, sodium, cholesterol
    } = req.body;

    const imageFile = req.file; // multer single('image') se aayega

    if (!food_name || !calories || !imageFile) {
      return responseHandler.error(res, "Required fields missing", 400);
    }

    // Upload image to S3
    const { publicURL: imageURL } = await uploadFileToS3(imageFile);

    const newFood = new Food({
      food_name,
      image: imageURL,
      calories,
      total_fat,
      protein,
      carbohydrates,
      sugars,
      fiber,
      sodium,
      cholesterol,
    });

    await newFood.save();
    return responseHandler.success(res, "Food added successfully", newFood);
  } catch (error) {
    return responseHandler.error(res, "Failed to add food", 500, error.message);
  }
};

//  UPDATE FOOD (with optional image update)
const updateFood = async (req, res) => {
  try {
    const { id } = req.params;
    const {
      food_name, calories, total_fat, protein,
      carbohydrates, sugars, fiber, sodium, cholesterol
    } = req.body;

    const imageFile = req.file;

    const existingFood = await Food.findById(id);
    if (!existingFood) {
      return responseHandler.error(res, "Food not found", 404);
    }

    // Upload new image to S3 if provided
    let imageURL = existingFood.image;
    if (imageFile) {
      if (existingFood.image) await deleteFileFromS3(existingFood.image); // delete old image
      const { publicURL } = await uploadFileToS3(imageFile);
      imageURL = publicURL;
    }

    const updatedFood = await Food.findByIdAndUpdate(
      id,
      {
        food_name,
        image: imageURL,
        calories,
        total_fat,
        protein,
        carbohydrates,
        sugars,
        fiber,
        sodium,
        cholesterol,
      },
      { new: true, runValidators: true }
    );

    return responseHandler.success(res, "Food updated successfully", updatedFood);
  } catch (error) {
    return responseHandler.error(res, "Failed to update food", 500, error.message);
  }
};

//  DELETE FOOD (with image deletion from S3)
const deleteFood = async (req, res) => {
  try {
    const { id } = req.params;

    const food = await Food.findById(id);
    if (!food) {
      return responseHandler.error(res, "Food not found", 404);
    }

    // Delete image from S3
    if (food.image) {
      await deleteFileFromS3(food.image);
    }

    await Food.findByIdAndDelete(id);
    return responseHandler.success(res, "Food deleted successfully");
  } catch (error) {
    return responseHandler.error(res, "Failed to delete food", 500, error.message);
  }
};

export {
  getFoods,
  addFood,
  updateFood,
  deleteFood
};