User.js

var bcrypt = require('bcrypt-nodejs');
var crypto = require('crypto');
var mongoose = require('mongoose');
require('mongoose-long')(mongoose);

var Long = mongoose.Types.Long;
var userSchema = new mongoose.Schema({
    email: {
        type: String,
        lowercase: true,
        unique: true,
        trim: true,
        sparse: true
    },
    password: String,
    facebook: String,
    twitter: String,
    google: String,
    github: String,
    linkedin: String,
    tokens: Array,
    points: {
        type: Number,
        default: 0
    },
    progressTimestamps: [],
    challengesCompleted: { type: Array, default: [] },
    pointsNeedMigration: { type: Boolean, default: true },
    challengesHash: {
        0: {
            type: Number,
            default: 0
        },
        1: {
            type: Number,
            default: 0
        },
        2: {
            type: Number,
            default: 0
        },
        3: {
            type: Number,
            default: 0
        },
        4: {
            type: Number,
            default: 0
        },
        5: {
            type: Number,
            default: 0
        },
        6: {
            type: Number,
            default: 0
        },
        7: {
            type: Number,
            default: 0
        },
        8: {
            type: Number,
            default: 0
        },
        9: {
            type: Number,
            default: 0
        },
        10: {
            type: Number,
            default: 0
        },
        11: {
            type: Number,
            default: 0
        },
        12: {
            type: Number,
            default: 0
        },
        13: {
            type: Number,
            default: 0
        },
        14: {
            type: Number,
            default: 0
        },
        15: {
            type: Number,
            default: 0
        },
        16: {
            type: Number,
            default: 0
        },
        17: {
            type: Number,
            default: 0
        },
        18: {
            type: Number,
            default: 0
        },
        19: {
            type: Number,
            default: 0
        },
        20: {
            type: Number,
            default: 0
        },
        21: {
            type: Number,
            default: 0
        },
        22: {
            type: Number,
            default: 0
        },
        23: {
            type: Number,
            default: 0
        },
        24: {
            type: Number,
            default: 0
        },
        25: {
            type: Number,
            default: 0
        },
        26: {
            type: Number,
            default: 0
        },
        27: {
            type: Number,
            default: 0
        },
        28: {
            type: Number,
            default: 0
        },
        29: {
            type: Number,
            default: 0
        },
        30: {
            type: Number,
            default: 0
        },
        31: {
            type: Number,
            default: 0
        },
        32: {
            type: Number,
            default: 0
        },
        33: {
            type: Number,
            default: 0
        },
        34: {
            type: Number,
            default: 0
        },
        35: {
            type: Number,
            default: 0
        },
        36: {
            type: Number,
            default: 0
        },
        37: {
            type: Number,
            default: 0
        },
        38: {
            type: Number,
            default: 0
        },
        39: {
            type: Number,
            default: 0
        },
        40: {
            type: Number,
            default: 0
        },
        41: {
            type: Number,
            default: 0
        },
        42: {
            type: Number,
            default: 0
        },
        43: {
            type: Number,
            default: 0
        },
        44: {
            type: Number,
            default: 0
        },
        45: {
            type: Number,
            default: 0
        },
        46: {
            type: Number,
            default: 0
        },
        47: {
            type: Number,
            default: 0
        },
        48: {
            type: Number,
            default: 0
        },
        49: {
            type: Number,
            default: 0
        },
        50: {
            type: Number,
            default: 0
        },
        51: {
            type: Number,
            default: 0
        },
        52: {
            type: Number,
            default: 0
        },
        53: {
            type: Number,
            default: 0
        }
    },
    profile: {
        username: {
            type: String,
            unique: true,
            sparse: true,
            lowercase: true,
            trim: true
        },
        bio: {
            type: String,
            defaults: ''
        },
        name: {
            type: String,
            default: ''
        },
        gender: {
            type: String,
            default: ''
        },
        location: {
            type: String,
            default: ''
        },
        picture: {
            type: String,
            default: ''
        },
        linkedinProfile: {
            type: String,
            default: ''
        },
        githubProfile: {
            type: String,
            default: ''
        },
        coderbyteProfile: {
            type: String,
            default: ''
        },
        codepenProfile: {
            type: String,
            default: ''
        },
        twitterHandle: {
            type: String,
            default: ''
        }
    },
    portfolio: {
        website1Link: {
            type: String,
            default: ''
        },
        website1Title: {
            type: String,
            default: ''
        },
        website1Image: {
            type: String,
            default: ''
        },
        website2Link: {
            type: String,
            default: ''
        },
        website2Title: {
            type: String,
            default: ''
        },
        website2Image: {
            type: String,
            default: ''
        },
        website3Link: {
            type: String,
            default: ''
        },
        website3Title: {
            type: String,
            default: ''
        },
        website3Image: {
            type: String,
            default: ''
        }
    },
    resetPasswordToken: String,
    resetPasswordExpires: Date,
    uncompletedBonfires: Array,
    completedBonfires: [
      {
        _id: String,
        completedWith: String,
        completedDate: Long,
        solution: String
      }
    ],
    uncompletedCoursewares: Array,
    completedCoursewares: [
      {
        completedDate: Long,
        _id: String,
        name: String,
        completedWith: String,
        solution: String,
        githubLink: String
      }
    ],
  currentStreak: {
    type: Number,
    default: 0
  },
  longestStreak: {
    type: Number,
    default: 0
  }
});

/**
 * Password hashing Mongoose middleware.
 */

userSchema.pre('save', function(next) {
    var user = this;

    if (!user.isModified('password')) { return next(); }

    bcrypt.genSalt(5, function(err, salt) {
        if (err) { return next(err); }

        bcrypt.hash(user.password, salt, null, function(err, hash) {
            if (err) { return next(err); }
            user.password = hash;
            next();
        });
    });
});

/**
 * Helper method for validationg user's password.
 */

userSchema.methods.comparePassword = function(candidatePassword, cb) {
    bcrypt.compare(candidatePassword, this.password, function(err, isMatch) {
        if (err) { return cb(err); }
        cb(null, isMatch);
    });
};

/**
 * Helper method for getting user's gravatar.
 */

userSchema.methods.gravatar = function(size) {
    if (!size) { size = 200; }

    if (!this.email) {
        return 'https://gravatar.com/avatar/?s=' + size + '&d=retro';
    }

    var md5 = crypto
        .createHash('md5')
        .update(this.email)
        .digest('hex');

    return 'https://gravatar.com/avatar/' + md5 + '?s=' + size + '&d=retro';
};

module.exports = mongoose.model('User', userSchema);