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June 5, 2023 10:26
Distance calculation - Sequelize model method
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User.getDistance = async (me) => { | |
try { | |
// Distance algorithm with Earth curvature | |
const users = await User.findAll({ | |
where: Sequelize.where(sequelize.literal(`6371 * acos(cos(radians(${me.latitude})) * cos(radians(latitude)) * cos(radians(${me.longitude}) - radians(longitude)) + sin(radians(${me.latitude})) * sin(radians(latitude)))`), | |
'<=', me.maxDistance), | |
attributes: ['id'] | |
}) | |
return users; | |
} | |
catch (error) { | |
console.log(error.message); | |
} | |
} |
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