init

market/market.model.js

@@ -0,0 +1,146 @@
+const mongoose = require('mongoose');
+const Schema = mongoose.Schema;
+
+const marketSchema = new Schema({
+
+    seller: {type: String, index: true},
+    card: {type: String, index: true},
+    variant: {type: String},
+    quantity: {type: Number},
+    price: {type: Number},
+    time: {type: Date},
+
+});
+
+marketSchema.methods.toObj = function() {
+    var offer = this.toObject();
+    delete offer.__v;
+    delete offer._id;
+    return offer;
+};
+
+const Market = mongoose.model('Markets', marketSchema);
+
+// Market DATA MODELS ------------------------------------------------
+
+exports.getOffer = async(user, card_tid, variant_id) => {
+
+    try{
+        var regex = new RegExp(["^", user, "$"].join(""), "i");
+        var offer = await  Market.findOne({seller: regex, card: card_tid, variant: variant_id});
+        return offer;
+    }
+    catch{
+        return null;
+    }
+};
+
+exports.getBySeller = async(user) => {
+
+    try{
+        var regex = new RegExp(["^", user, "$"].join(""), "i");
+        var offers = await  Market.find({seller: regex});
+        offers = offers || [];
+        return offers;
+    }
+    catch{
+        return [];
+    }
+};
+
+exports.getByCard = async(card_tid, variant_id) => {
+
+    try{
+        var offers = await  Market.find({card: card_tid, variant: variant_id});
+        offers = offers || [];
+        return offers;
+    }
+    catch{
+        return [];
+    }
+};
+
+exports.getAll = async() => {
+
+    try{
+        var offers = await Market.find()
+        offers = offers || [];
+        return offers;
+    }
+    catch{
+        return [];
+    }
+};
+
+exports.getAllLimit = async(perPage, page) => {
+
+    try{
+        var offers = await Market.find().limit(perPage).skip(perPage * page)
+        offers = offers || [];
+        return offers;
+    }
+    catch{
+        return [];
+    }
+};
+
+exports.add = async(user, card, variant, data) => {
+
+    try{
+        var offer = await Market.findOne({seller: user, card: card, variant: variant});
+
+        if(!offer)
+        {
+            offer = new Market(data);
+            offer.date = Date.now();
+            return await offer.save();
+        }
+        else
+        {
+            offer.quantity += data.quantity;
+            offer.price = data.price;
+            offer.date = Date.now();
+    
+            var updated = await offer.save();
+            return updated;
+        }
+    }
+    catch{
+        return null;
+    }
+};
+
+
+exports.reduce = async(user, card, variant, quantity) => {
+
+    try{
+        var offer = await Market.findOne({seller: user, card: card, variant: variant});
+        if(offer)
+        {
+            offer.quantity -= quantity;
+            if(offer.quantity > 0)
+            {
+                var updated = await offer.save();
+                return updated;
+            }
+            else{
+                var result = await Market.deleteOne({seller: user, card: card});
+                return result && result.deletedCount > 0;
+            }
+        }
+    }
+    catch{
+        return null;
+    }
+};
+
+exports.remove = async(user, card, variant) => {
+
+    try{
+        var result = await Market.deleteOne({seller: user, card: card, variant: variant});
+        return result && result.deletedCount > 0;
+    }
+    catch{
+        return false;
+    }
+};