From cb4df2d7c68dc7cdbe29f3b7aa9798298a855c8f Mon Sep 17 00:00:00 2001
From: Gordon Williams <gw@pur3.co.uk>
Date: Thu, 11 Jun 2020 13:37:55 +0100
Subject: [PATCH] GPS POI Logger - A simple app to log points of interest with
 their GPS coordinates and read them back onto your PC. Based on the
 https://www.espruino.com/Bangle.js+Storage tutorial

---
 apps.json                     |  13 +++++++
 apps/gpspoilog/ChangeLog      |   1 +
 apps/gpspoilog/app-icon.js    |   1 +
 apps/gpspoilog/app.js         |  67 +++++++++++++++++++++++++++++++++
 apps/gpspoilog/app.png        | Bin 0 -> 1366 bytes
 apps/gpspoilog/interface.html |  69 ++++++++++++++++++++++++++++++++++
 6 files changed, 151 insertions(+)
 create mode 100644 apps/gpspoilog/ChangeLog
 create mode 100644 apps/gpspoilog/app-icon.js
 create mode 100644 apps/gpspoilog/app.js
 create mode 100644 apps/gpspoilog/app.png
 create mode 100644 apps/gpspoilog/interface.html

diff --git a/apps.json b/apps.json
index 48428fb76..0fb69b9cf 100644
--- a/apps.json
+++ b/apps.json
@@ -1918,5 +1918,18 @@
       {"name":"magnav.img","url":"magnav-icon.js","evaluate":true}
     ],
     "data":[{"name":"magnav.json"}]
+  },
+  { "id": "gpspoilog",
+    "name": "GPS POI Logger",
+    "shortName":"GPS POI Log",
+    "icon": "app.png",
+    "version":"0.01",
+    "description": "A simple app to log points of interest with their GPS coordinates and read them back onto your PC. Based on the https://www.espruino.com/Bangle.js+Storage tutorial",
+    "tags": "outdoors",
+    "interface": "interface.html",
+    "storage": [
+      {"name":"gpspoilog.app.js","url":"app.js"},
+      {"name":"gpspoilog.img","url":"app-icon.js","evaluate":true}
+    ]
   }
 ]
diff --git a/apps/gpspoilog/ChangeLog b/apps/gpspoilog/ChangeLog
new file mode 100644
index 000000000..5560f00bc
--- /dev/null
+++ b/apps/gpspoilog/ChangeLog
@@ -0,0 +1 @@
+0.01: New App!
diff --git a/apps/gpspoilog/app-icon.js b/apps/gpspoilog/app-icon.js
new file mode 100644
index 000000000..89f8d1bd7
--- /dev/null
+++ b/apps/gpspoilog/app-icon.js
@@ -0,0 +1 @@
+require("heatshrink").decompress(atob("mEwxH+AH4A/AEeGAAwttGMotLGMItPGLwuTGDQuVGDIfHq9RAAgvfDw+AFwtRq4weFZYAIwAvYJIguPSowvavl8F8qpFF6wwSF44AFvl9vo3GF8l80+t1unGAovkvovDvovrAAQvqR4IACR9TviGAovHABIuXF/4vgGAmAFx+AFzDxGACYvVGDAuWF+AwWFzAvwGCguaGCYucF+AwQFzwvwGBwugGBouiF+AwKF0gwJF0wwHF1AvwGAguqGAYusAH4A/AFI="))
diff --git a/apps/gpspoilog/app.js b/apps/gpspoilog/app.js
new file mode 100644
index 000000000..2da0c0e7e
--- /dev/null
+++ b/apps/gpspoilog/app.js
@@ -0,0 +1,67 @@
+var menuItems = {
+  "":{title:"GPS POI Log"},
+  " ":{value:"No Fix"},
+  "Tree" : ()=>addItem("Tree"),
+  "Gate" : ()=>addItem("Gate"),
+  "Flower" : ()=>addItem("Flower"),
+  "Plant" : ()=>addItem("Plant"),
+  "Bus Stop" : ()=>addItem("Bus Stop"),
+  "Pub" : ()=>addItem("Pub")
+};
+
+var menu = E.showMenu(menuItems);
+var gps = { fix : 0};
+var gpsCount = 0;
+var file = require("Storage").open("gpspoilog.csv","a");
+
+function setStatus(msg) {
+  menuItems[" "].value = msg;
+  menu.draw();
+}
+
+Bangle.on('GPS',function(g) {
+  gps = g;
+  gpsCount++;
+  var msg;
+  if (g.fix) {
+    msg = g.satellites + " Satellites";
+  } else {
+    msg = "No Fix";
+  }
+  setStatus(msg+" "+"-\\|/"[gpsCount&3]);
+});
+
+
+function addItem(name) {
+  if (!gps.fix) {
+    setStatus("Ignored - no fix");
+    return; // don't do anything as no fix
+  }
+  // The fields we want to put in out CSV file
+  var csv = [
+    0|getTime(), // Time to the nearest second
+    gps.lat,
+    gps.lon,
+    gps.alt,
+    name
+  ];
+  // Write data here
+  file.write(csv.join(",")+"\n");
+  setStatus("Written");
+}
+
+
+Bangle.loadWidgets();
+Bangle.drawWidgets();
+Bangle.setGPSPower(1);
+
+
+
+function getData(callback) {
+  var f = require("Storage").open("gpspoilog.csv","r");
+  var l = f.readLine();
+  while (l!==undefined) {
+    callback(l);
+    l = f.readLine();
+  }
+}
diff --git a/apps/gpspoilog/app.png b/apps/gpspoilog/app.png
new file mode 100644
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diff --git a/apps/gpspoilog/interface.html b/apps/gpspoilog/interface.html
new file mode 100644
index 000000000..ef3cc7688
--- /dev/null
+++ b/apps/gpspoilog/interface.html
@@ -0,0 +1,69 @@
+<html>
+  <head>
+    <link rel="stylesheet" href="../../css/spectre.min.css">
+  </head>
+  <body>
+    <div id="data"></div>
+    <button class="btn btn-default" id="btnSave">Save</button>
+    <button class="btn btn-default" id="btnDelete">Delete</button>
+
+    <script src="../../lib/interface.js"></script>
+    <script>
+var dataElement = document.getElementById("data");
+var csvData = "";
+
+function getData() {
+  // show loading window
+  Util.showModal("Loading...");
+  // get the data
+  dataElement.innerHTML = "";
+  Util.readStorageFile(`gpspoilog.csv`,data=>{
+    csvData = data.trim();
+    // remove window
+    Util.hideModal();
+    // If no data, report it and exit
+    if (data.length==0) {
+      dataElement.innerHTML = "<b>No data found</b>";
+      return;
+    }
+    // Otherwise parse the data and output it as a table
+    dataElement.innerHTML = `<table>
+    <tr>
+      <th>Time</th>
+      <th>Lat</th>
+      <th>Lon</th>
+      <th>Alt</th>
+      <th>Type</th>
+    </tr>`+data.trim().split("\n").map(l=>{
+      l = l.split(",");
+      return `<tr>
+      <td>${(new Date(l[0]*1000)).toLocaleString()}</td>
+      <td>${l[1]}</td>
+      <td>${l[2]}</td>
+      <td>${l[3]}</td>
+      <td>${l[4]}</td>
+      </tr>`
+    }).join("\n")+"</table>";
+  });
+}
+
+// You can call a utility function to save the data
+document.getElementById("btnSave").addEventListener("click", function() {
+  Util.saveCSV("gpsdata", csvData);
+});
+// Or you can also delete the file
+document.getElementById("btnDelete").addEventListener("click", function() {
+  Util.showModal("Deleting...");
+  Util.eraseStorageFile("gpspoilog.csv", function() {
+    Util.hideModal();
+    getData();
+  });
+});
+// Called when app starts
+function onInit() {
+  getData();
+}
+
+    </script>
+  </body>
+</html>