Initial commit

package.json

@@ -1,24 +1,36 @@
 {
-  "name": "koop-provider-public-google-sheets",
-  "version": "0.1.0",
-  "description": "An opinionated provider template for koop-cli",
-  "main": "src/index.js",
-  "scripts": {
-    "test": "mocha 'test/**/*.test.js'",
-    "start": "koop serve"
-  },
-  "dependencies": {
-    "config": "^3.1.0"
-  },
-  "devDependencies": {
-    "@koopjs/cli": "^0.4.0",
-    "chai": "^4.2.0",
-    "mocha": "^6.1.4"
-  },
-  "repository": "",
-  "keywords": [
-    "koop",
-    "plugin",
-    "provider"
-  ]
+	"name": "koop-provider-public-google-sheets",
+	"version": "0.1.0",
+	"description": "A Koop provider to transform public Google Spreadsheets to a Feature Service",
+	"main": "src/index.js",
+	"scripts": {
+		"test": "mocha 'test/**/*.test.js'",
+		"start": "koop serve"
+	},
+	"dependencies": {
+		"config": "^3.1.0",
+		"request": "^2.79.0"
+	},
+	"devDependencies": {
+		"@koopjs/cli": "^0.4.0",
+		"chai": "^4.2.0",
+		"mocha": "^6.1.4"
+	},
+	"repository": {
+		"type": "git",
+		"url": "[email protected]:esri-es/koop-provider-public-google-sheets.git"
+	},
+	"keywords": [
+		"koop",
+		"plugin",
+		"provider",
+		"google",
+		"spreadsheets"
+	],
+	"author": "Raul Jimenez <[email protected]>",
+	"homepage": "https://github.com/esri-es/koop-provider-public-google-sheets",
+	"bugs": {
+		"url": "https://github.com/esri-es/koop-provider-public-google-sheets/issues"
+	},
+	"license": "Apache-2.0"
 }

src/index.js

@@ -11,9 +11,9 @@
 // e.g. /sample/FeatureServer/0/query
 const provider = {
   type: 'provider',
-  name: 'koop-cli-new-provider',
+  name: 'koop-provider-public-google-sheets',
   version: '0.1.0',
-  hosts: false, // if true, also adds disableIdParam
+  hosts: true, // if true, also adds disableIdParam
   disableIdParam: true, // if true, adds to path and req.params
   Model: require('./model')
 }

src/model.js

@@ -1,9 +1,9 @@
 /*
-  model.js
+model.js
 
-  This file is required. It must export a class with at least one public function called `getData`
+This file is required. It must export a class with at least one public function called `getData`
 
-  Documentation: https://koopjs.github.io/docs/usage/provider
+Documentation: https://koopjs.github.io/docs/usage/provider
 */
 
 function Model (koop) {}
@@ -19,13 +19,98 @@ function Model (koop) {}
 // req.params.id  (if index.js:disableIdParam false)
 // req.params.layer
 // req.params.method
+const request = require('request').defaults({gzip: true, json: true});
+const latNames = ['gsx$lat', 'gsx$latitude', 'gsx$y', 'gsx$latitud'];
+const lonNames = ['gsx$lon', 'gsx$long', 'gsx$longitude', 'gsx$x', 'gsx$longitud'];
+
 Model.prototype.getData = function (req, callback) {
-  const geojson = {
-    type: 'FeatureCollection',
-    features: []
-  }
 
-  callback(null, geojson)
+    let spreadsheetId = req.params.host;
+    let tab = req.params.layer;
+    let url = `https://spreadsheets.google.com/feeds/list/${spreadsheetId}/${tab}/public/values\?alt\=json`;
+    //console.log("URL = ", url);
+    request(`${url}`, (err, res, body) => {
+        if (err) return callback(err)
+
+        //const geojson = body
+        let geojson = {
+            type: 'FeatureCollection',
+            features: []
+        }
+
+
+
+        if(body.feed && body.feed.entry){
+            var features = body.feed.entry.map((elem, i) => {
+                var feature = {
+                  "type": "Feature",
+                  "geometry": {
+                    "type": "Point",
+                    "coordinates": [0, 0]
+                  },
+                  "properties": {}
+                };
+
+                var properties = {};
+
+                for(var p in elem) {
+                    //console.log(`${p} = p.substring(0,3) = ${p.substring(0,3)}`)
+                    if(p.substring(0,4) === "gsx$"){
+                        //console.log("Found!")
+                        newP = p.substring(4,p.length);
+                        let propValue = elem[p].$t
+                        if(!isNaN(elem[p].$t)){
+                            // If it is a number
+                            if(propValue.indexOf('.') != -1){
+                                properties[newP] = parseFloat(propValue);
+                            }else{
+                                properties[newP] = parseInt(propValue);
+                            }
+                        }else{
+                            properties[newP] = propValue
+                        }
+
+                        if(latNames.indexOf(p.toLowerCase()) != -1){
+                            feature.geometry.coordinates[1] = properties[newP];
+                        }else if(lonNames.indexOf(p.toLowerCase()) != -1){
+                            feature.geometry.coordinates[0] = properties[newP];
+                        }
+
+                        properties['OBJECTID'] = i;
+                    }
+                }
+
+                feature.properties = properties
+
+                return feature;
+            });
+
+            geojson.features = features;
+        }else{
+            //console.log("Error, body = ", body);
+        }
+
+        geojson.features = geojson.features.filter(f => {
+            //console.log("f.geometry.coordinates=",f.geometry.coordinates)
+            const coords = f.geometry.coordinates;
+            if(isNaN(coords[0]) && isNaN(coords[1])){
+                return false;
+            }
+            return true;
+        });
+
+        geojson.metadata = {
+          title: `Google spreedsheets tab`,
+          name: `Google spreedsheets tab`,
+          idField: 'OBJECTID',
+          description: `Generated from ${url}`,
+        }
+
+        callback(null, geojson)
+    });
+
+
+
 }
 
 module.exports = Model