# serra # Install go build . ./serra # Todo mvp * single view for card, with history * remove card (double exec to reduce count) optional * termui overview * add - do search for cards by name # What its not * Gives a shit about conditions (NM, M, GD...) * If the card is foil # Cheatsheet Find cards that increased prices db.cards.find({$expr: {$gt: [{$arrayElemAt: ["$serra_prices", -2]}, {$arrayElemAt: ["$serra_prices", -1]}]}}, {name:1}) Update card Price db.cards.update( {'_id':'8fa2ecf9-b53c-4f1d-9028-ca3820d043cb'}, {$set:{'serra_updated':ISODate("2021-11-02T09:28:56.504Z")}, $push: {"serra_prices": { date: ISODate("2021-11-02T09:28:56.504Z"), value: 0.1 }}}); Set value db.cards.aggregate([{ $group: { _id: { set: "$set" }, value: { $sum: { $multiply: ["$prices.eur", "$serra_count"] } }, count: { $sum: 1 } } }]) Color distribution db.cards.aggregate([{ $group: { _id: { color: "$colors" }, count: { $sum: 1 } } }]) # MongoDB Operations Do a database dump mongodump -u root -p root --authenticationDatabase admin -d serra -o /backup/ Do a collection export to json mongoexport -u root -p root --authenticationDatabase admin -d serra -c cards