Added functionality to show crypto currency prices with new crypto ob…

…ject in config similar to stocks
jalibu · Jan 18, 2021 · 9eb2077 · 9eb2077
1 parent 1cd91dc
commit 9eb2077
Show file tree

Hide file tree

Showing 5 changed files with 91 additions and 2 deletions.
diff --git a/MMM-Jast.js b/MMM-Jast.js
@@ -63,6 +63,7 @@ Module.register("MMM-Jast", {
     this.exchangeData = [];
     this.getExchangeRate();
     this.getStocks();
+    this.getCrypto();
     this.scheduleUpdate();
   },
 
@@ -71,13 +72,18 @@ Module.register("MMM-Jast", {
     setInterval(function () {
       self.getExchangeRate();
       self.getStocks();
+      self.getCrypto();
     }, this.config.requestIntervalInSeconds * 1000);
   },
 
   getStocks() {
     this.sendSocketNotification("GET_STOCKS", this.config);
   },
 
+  getCrypto() {
+    this.sendSocketNotification("GET_CRYPTO", this.config);
+  },
+
   getExchangeRate() {
     this.sendSocketNotification("GET_EXCHANGE", {
       config: this.config,
@@ -97,6 +103,17 @@ Module.register("MMM-Jast", {
         currentStock.lastUpdate = Date.now();
         this.updateDom();
       }
+    } else if (notification === "CRYPTO_RESULT") {
+      const { symbol, current, last } = payload;
+      const currentCrypto = this.config.crypto.find(
+        (crypto) => crypto.symbol === symbol
+      );
+      if (currentCrypto) {
+        currentCrypto.current = current;
+        currentCrypto.last = last;
+        currentCrypto.lastUpdate = Date.now();
+        this.updateDom();
+      }
     } else if (notification === "EXCHANGE_RESULT") {
       let { from, to, rate } = payload;
       this.exchangeData.push({ from, to, rate, lastUpdate: Date.now() });

diff --git a/node_helper.js b/node_helper.js
@@ -62,6 +62,40 @@ module.exports = NodeHelper.create({
     });
   },
 
+  sendCryptoRequest: function (config) {
+    const self = this;
+    if (config.debug) {
+      self.sendSocketNotification("CRYPTO_RESULT", {
+        symbol: "BTC",
+        current: 30000,
+        last: 32000
+      });
+      return;
+    }
+
+    config.crypto.forEach((crypto) => {
+      if (!crypto.lastUpdate || Date.now() - crypto.lastUpdate >= config.updateIntervalInSeconds * 1000) {
+        const url = `${config.baseURL}query?function=DIGITAL_CURRENCY_DAILY&symbol=${crypto.symbol}&market=USD&apikey=${config.apiKey}`;
+        request(url, { json: true }, (err, res, body) => {
+          if (err) {
+            console.error(`Error requesting Crypto data`);
+          }
+          try {
+            const symbol = body["Meta Data"]["2. Digital Currency Code"];
+            const values = Object.values(body["Time Series (Digital Currency Daily)"]);
+            const current = parseFloat(values[0]["4a. close (USD)"]);
+            const last = parseFloat(values[1]["4a. close (USD)"]);
+
+            console.log("Sending Crypto result:", { symbol, current, last });
+            self.sendSocketNotification("CRYPTO_RESULT", { symbol, current, last });
+          } catch (err) {
+            console.error(`Error processing Crypto response`, body);
+          }
+        });
+      }
+    });
+  },
+
   sendExchangeRequest(payload) {
     const self = this;
     const { config, rates } = payload;
@@ -127,6 +161,8 @@ module.exports = NodeHelper.create({
       this.sendStocksRequest(payload);
     } else if (notification === "GET_EXCHANGE") {
       this.sendExchangeRequest(payload);
+    } else if (notification === "GET_CRYPTO") {
+      this.sendCryptoRequest(payload);
     } else {
       console.warn(`${notification} is invalid notification`);
     }

diff --git a/templates/HorizontalStockList.njk b/templates/HorizontalStockList.njk
@@ -21,6 +21,24 @@
         </span>
       </span>
     {% endfor %}
+    {% for crypto in config.crypto %}
+      <span class="jast-stock">{{ crypto.name }}:
+        {% if utils.getStockChange(crypto) > 0 %}
+          {% set colorClass = "high" %}
+        {% elif utils.getStockChange(crypto) < 0 %}
+          {% set colorClass = "low " %}
+        {% else %}
+          {% set colorClass = "" %}
+        {% endif %}
+        <span class="{{ colorClass }}">
+          {{ utils.getCurrentValue(crypto, exchangeData) }}
+          {{ utils.getCurrency(crypto, exchangeData, config) }}
+          {% if colorClass %}
+            ({{ utils.getStockChange(crypto) }}%)
+          {% endif %}
+        </span>
+      </span>
+    {% endfor %}
     {% if config.showDepotGrowth %}
       {% set depotGrowth = utils.getDepotGrowth(config, exchangeData) %}
       {% if depotGrowth.value > 0 %}

diff --git a/templates/VerticalScrollStyle.njk b/templates/VerticalScrollStyle.njk
@@ -1,8 +1,8 @@
 {% macro render(config) %}
   {% if config.showDepotGrowth %}
-    {% set itemCount = config.stocks.length + 1 %}
+    {% set itemCount = config.stocks.length + config.crypto.length + 1 %}
   {% else %}
-    {% set itemCount = config.stocks.length %}
+    {% set itemCount = config.stocks.length + config.crypto.length %}
   {% endif %}
   {% set percentPerItem = 100 / itemCount %}
   <style type="text/css">

diff --git a/templates/VerticalStockList.njk b/templates/VerticalStockList.njk
@@ -29,6 +29,24 @@
           </span>
         </li>
       {% endfor %}
+      {% for crypto in config.crypto %}
+        <li class="jast-stock">{{ crypto.name }}:
+          {% if utils.getStockChange(crypto) > 0 %}
+            {% set colorClass = "high" %}
+          {% elif utils.getStockChange(crypto) < 0 %}
+            {% set colorClass = "low " %}
+          {% else %}
+            {% set colorClass = "" %}
+          {% endif %}
+          <span class="{{ colorClass }}">
+            {{ utils.getCurrentValue(crypto, exchangeData) }}
+            {{ utils.getCurrency(crypto, exchangeData, config) }}
+            {% if colorClass %}
+              ({{ utils.getStockChange(crypto) }}%)
+            {% endif %}
+          </span>
+        </li>
+      {% endfor %}
       {% if config.showDepotGrowth %}
         {% set depotGrowth = utils.getDepotGrowth(config, exchangeData) %}
         {% if depotGrowth.value > 0 %}