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January 18, 2016 09:16
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// DELETE UNUSE FIELD | |
db.Users.update({}, {$unset: {"latestStatusText": 1}}, false, true); | |
// INIT latestPost FIELDS | |
db.Users.update({}, {$set: {"latestPost": null}}, false, true); | |
// INIT prevPost FIELDS | |
db.Posts.update({}, {$set: {"prevPost": null}}, false, true); | |
// INIT nextPost FIELDS | |
db.Posts.update({}, {$set: {"nextPost": null}}, false, true); | |
// ALL USER | |
db.Users.find().forEach(function(user) { | |
// SET LATEST POST | |
db.Posts | |
.find({user: user._id}) | |
.sort({cursor: -1}) | |
.limit(1) | |
.forEach(function(latest) { | |
db.Users.update({_id: user._id}, { | |
$set : {"latestPost": latest._id} | |
}, false, false); | |
}); | |
// ALL USER'S POSTS | |
db.Posts.find({user: user._id}).sort({cursor: 1}).forEach(function(post) { | |
// print(user.screenName + " : " + post.cursor); | |
// Next | |
db.Posts | |
.find({ | |
user: user._id, | |
cursor: {$gt: post.cursor} | |
}) | |
.sort({createdAt: 1}) | |
.limit(1) | |
.forEach(function(next) { | |
if (next != null) { | |
db.Posts.update({_id: post._id}, { | |
$set : {"nextPost": next._id} | |
}, false, false); | |
} else { | |
db.Posts.update({_id: post._id}, { | |
$set : {"nextPost": null} | |
}, false, false); | |
} | |
}); | |
// Prev | |
db.Posts | |
.find({ | |
user: user._id, | |
cursor: {$lt: post.cursor} | |
}) | |
.sort({createdAt: -1}) | |
.limit(1) | |
.forEach(function(prev) { | |
if (prev != null) { | |
db.Posts.update({_id: post._id}, { | |
$set : {"prevPost": prev._id} | |
}, false, false); | |
} else { | |
db.Posts.update({_id: post._id}, { | |
$set : {"prevPost": null} | |
}, false, false); | |
} | |
}); | |
}); | |
}); | |
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