Created
June 23, 2019 23:10
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| Board.find({}) | |
| .populate({ | |
| path: 'pins', | |
| model: 'Pin' | |
| }) | |
| .exec(function(err,boards){ | |
| var dates=[]; | |
| boards.forEach(function(board){ | |
| dates=[]; | |
| board.pins.forEach(function(pin){ | |
| dates.push(pin.createdAt); | |
| }); | |
| Board.findOneAndUpdate({_id: board._id}, {createdAt: Math.min(...dates)},function(err,pin){ | |
| if(!err&&pin) | |
| console.log(pin); | |
| }); | |
| }); | |
| //Board schema and pin schema given below for reference | |
| //const boardSchema = new mongoose.Schema({ | |
| // name: { | |
| // type: String, | |
| // required: true | |
| // }, | |
| // description: String, | |
| // secret: Boolean, | |
| // topic: String, | |
| // createdBy: { type: ObjectId, ref: 'User'}, | |
| // pins: [{type: ObjectId, ref: 'Pin'}], | |
| // createdAt: Date, | |
| // updatedAt: Date | |
| // }); | |
| // const pinSchema = new mongoose.Schema({ | |
| // title: { | |
| // type: String, | |
| // required: true | |
| // }, | |
| // url: { | |
| // type: String, | |
| // required: true | |
| // }, | |
| // description: { | |
| // type: String, | |
| // }, | |
| // website: String, | |
| // tags : [String], | |
| // createdBy: { type: ObjectId, ref: 'User'}, | |
| // boardId:{type: ObjectId, ref: 'Board'}, | |
| // createdAt: Date, | |
| // updatedAt: Date | |
| // }); |
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