fix geo

[FaridSafi]

// Add in Model mongoDB
​
location: {
    type: {
      type: String,
      enum: [“Point”],
      default: “Point”
    },
    coordinates: {
      type: [Number],
      default: [0, 0]
    }
  },
  
  // Find with mongoose
   const { longitude, latitude, radius } = req.fields;
  let KM = radius / 1000;
  if (!longitude || !latitude || !radius) {
    res.status(400).json({ error: "Missing Geoloc parameters" });
  } else {
    const allProducers = await Producers.find({
      location: {
        $geoWithin: { $centerSphere: [[longitude, latitude], KM / 6371] }
      }
    });
    res.json(allProducers);
  }
  
  //Update field in New model 
 location: { type: "Point", coordinates: [longitude, latitude] },