basic coordinates

services/coordinates.js

@@ -0,0 +1,63 @@
+/**
+ * @format
+ */
+
+const Common = require('shock-common')
+const mapValues = require('lodash/mapValues')
+const pickBy = require('lodash/pickBy')
+const Bluebird = require('bluebird')
+const Logger = require('winston')
+const Key = require('../services/gunDB/contact-api/key')
+
+const { getUser, getMySecret, mySEA } = require('./gunDB/Mediator')
+
+/**
+ * @param {string} coordID
+ * @param {Common.Coordinate} data
+ * @returns {Promise<void>}
+ */
+export const writeCoordinate = async (coordID, data) => {
+  if (coordID !== data.id) {
+    throw new Error('CoordID must be equal to data.id')
+  }
+
+  try {
+    const gunNode = getUser()
+      .get(Key.COORDINATES)
+      .get(coordID)
+
+    /**
+     * Because there are optional properties, typescript can also allow them
+     * to be specified but with a value of `undefined`. Filter out these.
+     * @type {Record<string, number|boolean|string>}
+     */
+    const sanitizedData = pickBy(data, v => typeof v !== 'undefined')
+
+    const encData = await Bluebird.props(
+      mapValues(sanitizedData, v => {
+        return mySEA.encrypt(v, getMySecret())
+      })
+    )
+    gunNode.put(encData, ack => {
+      if (ack.err && typeof ack.err !== 'number') {
+        Logger.info(
+          `Error writting corrdinate, coordinate id: ${coordID}, data: ${JSON.stringify(
+            data,
+            null,
+            2
+          )}`
+        )
+        Logger.error(ack.err)
+      }
+    })
+  } catch (e) {
+    Logger.info(
+      `Error writing coordinate, coordinate id: ${coordID}, data: ${JSON.stringify(
+        data,
+        null,
+        2
+      )}`
+    )
+    Logger.error(e.message)
+  }
+}