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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 | 4x 4x 4x 1x 1x 4x 4x 4x 1x 1x 3x 3x 4x 4x | const Course = require('../model/courses');
const User = require('../model/user')
exports.allCourses = (req,res)=>{
Course.find()
.then(course=>{
// console.log(course)
res.status(200).json({course:course})
})
.catch(err=>{
console.log(err)
})
}
// this fetches courses based on the category
exports.fetchCourses = (req,res,next)=>{
const category = req.params.course;
// console.log(category)
if(category =="all" || category==""){
Course.find()
.then(courses=>{
// console.log(courses);
res.status(200).json({course:courses})
})
.catch(err=>{
console.log(err)
res.status(400).json({message:"error occured"})
})
}
else{
Course.find({category:category})
.then(courses=>{
//console.log(courses);
res.status(200).json({course:courses})
})
.catch(err=>{
console.log(err)
})
}
}
exports.preferenceCourses = (req,res,next)=>{
const category = req.params.course;
if(category=="preferences"){
const userId = req.body.userId;
let courseArray = []
let no_of_course=0;
User.findOne({_id:userId})
.then(user=>{
// user.preferences = [node, react]
// console.log(user.preferences);
user.preferences.forEach(preference=>{
Course.find({category:preference})
.then(course=>{
no_of_course++;
courseArray.push(...course);
if(no_of_course === user.preferences.length){
res.status(200).json({course:courseArray})
}
})
.catch(err=>{
console.log(err);
})
})
})
.catch(err=>{
console.log(err)
})
}
}
// taking preferences from user
exports.getPreferences = (req,res,next)=>{
const preferencesArray = req.body.interest;
const userId = req.body.userId;
User.findOne({_id:userId})
.then(user=>{
user.preferences=preferencesArray;
user.save();
return res.status(200).json({message:"Preference added"})
})
.catch(err=>{
console.log(err);
throw erorr;
})
} |