finished google-spreadsheet adapter

backend/api/services/remote/adapters/google-spreadsheet.js

@@ -1,13 +1,25 @@
 var fs = require('fs');
 var google = require('googleapis');
+var path = require('path')
+var mkdirp = require('mkdirp');
 
 module.exports = {
     schema : {
         "name": "Google Spreadsheet",
         "value": "google-spreadsheet",
-        "description": "Import Consumers from Google spreadsheets",
+        "hasFiles" : true,
+        "description": "Import Consumers from Google spreadsheets. ",
+        "info" :  "Konga uses the JWT method to authenticate with Google spreadsheets API." +
+        "Make sure you have created <a href='https://developers.google.com/identity/protocols/application-default-credentials'>Service account JSON credentials</a> for Konga " +
+        "and that your spreadsheet is shared with that service account's email.",
         "form_fields": {
             "connection": {
+                "file" : {
+                    "name" : "JSON credentials file",
+                    "type" : "file",
+                    "description" : "The Service account JSON credentials file." +
+                    "This file only needs to be uploaded once as long as the service account remains as is."
+                },
                 "spreadsheetId": {
                     "name": "spreadsheetId",
                     "type": "text",
@@ -20,69 +32,109 @@ module.exports = {
                     "required" : true,
                     "description": "The range to read, in A1 notation. ex. A1:B15"
                 },
+                "ignore_first_row": {
+                    "name": "Ignore first row",
+                    "type": "boolean",
+                    "description": "Whether or not to ignore the first row of the spreadsheet." +
+                    " This can be useful in case it contains the columns titles."
+                },
             },
             "consumer": {
                 "username": {
                     "name": "username column",
                     "type": "number",
                     "required": true,
-                    "description": "The spreadsheet column that will be used as the consumer <code>username</code>. The first column is 0."
+                    "description": "The index of the spreadsheet column that will be used as the consumer <code>username</code>. The first column is 0."
                 },
                 "custom_id": {
                     "name": "custom_id column",
                     "type": "number",
                     "required": true,
-                    "description": "The spreadsheet column that will be used as the consumer <code>custom_id</code>. The first column is 0."
+                    "description": "The index of the spreadsheet column that will be used as the consumer <code>custom_id</code>. The first column is 0."
                 }
             }
         }
     },
     methods : {
         loadConsumers : function(req,res) {
 
-            var SCOPES = ['https://www.googleapis.com/auth/spreadsheets.readonly'];
-
-            // Load client secrets from a local file.
-            var key = require('../credentials/google-spreadsheet/konga-84413cd1c5f8.json')
-
-            var jwtClient = new google.auth.JWT(
-                key.client_email,
-                null,
-                key.private_key,
-                SCOPES,
-                null
-            );
-
-            jwtClient.authorize(function (err, tokens) {
-                if (err) return res.negotiate(err)
-                listConsumers(jwtClient)
-            });
-
-            function listConsumers(auth) {
-                var sheets = google.sheets('v4');
-                sheets.spreadsheets.values.get({
-                    auth: auth,
-                    spreadsheetId: req.body.spreadsheetId,
-                    range : req.body.range,
-                }, function(err, response) {
+            req.file('file').upload(function (err, uploadFiles) {
+                if (err) return res.negotiate(err);
+
+                var CREDENTIALS_PATH = path.join(__dirname,"..","credentials/google-spreadsheets");
+
+                mkdirp(CREDENTIALS_PATH, function (err) {
                     if (err) return res.negotiate(err)
 
-                    //var rows = response.values;
-                    if (response.length == 0 || response.values.length == 0) {
-                        return res.notFound('No data found.')
-                    } else {
-                        //if(response.values.length > 200) return res.badRequest("Too many results! Maximum number of allowed results is 200")
-                        var consumers = []
-                        response.values.forEach(function(value){
-                            consumers.push({
-                                username : value[req.body.username],
-                                custom_id : value[req.body.custom_id],
-                            })
-                        })
-                        return res.json(consumers)
+                    if(!uploadFiles.length && !fs.existsSync(CREDENTIALS_PATH + "/credentials.json")) {
+                        if (err) return res.notFound("Credentials JSON file not found. You will need to upload one.");
+                    }
+
+                    if(uploadFiles[0]) {
+                        fs.renameSync(uploadFiles[0].fd, CREDENTIALS_PATH + "/credentials.json");
                     }
+
+                    var SCOPES = ['https://www.googleapis.com/auth/spreadsheets.readonly'];
+
+                    fs.readFile(CREDENTIALS_PATH + "/credentials.json", function(err, content) {
+                        if (err) if (err) return res.negotiate(err);
+
+                        var key = JSON.parse(content);
+
+
+                        var jwtClient = new google.auth.JWT(
+                            key.client_email,
+                            null,
+                            key.private_key,
+                            SCOPES,
+                            null
+                        );
+
+                        jwtClient.authorize(function (err, tokens) {
+                            if (err) return res.negotiate(err)
+                            listConsumers(jwtClient)
+                        });
+
+                        function listConsumers(auth) {
+                            var sheets = google.sheets('v4');
+                            sheets.spreadsheets.values.get({
+                                auth: auth,
+                                spreadsheetId: req.body.spreadsheetId,
+                                range : req.body.range,
+                            }, function(err, response) {
+                                if (err) return res.negotiate(err)
+
+                                //var rows = response.values;
+                                if (response.length == 0 || response.values.length == 0) {
+                                    return res.notFound('No data found.')
+                                } else {
+                                    //if(response.values.length > 200) return res.badRequest("Too many results! Maximum number of allowed results is 200")
+                                    var consumers = []
+                                    response.values.forEach(function(value,index){
+                                        consumers.push({
+                                            username : value[req.body.username],
+                                            custom_id : value[req.body.custom_id],
+                                        })
+                                    })
+
+                                    // Remove first item if specified
+                                    if(req.body.ignore_first_row === 'true') {
+                                        consumers.shift()
+                                    }
+
+                                    return res.json(consumers)
+                                }
+                            });
+                        }
+                    })
                 });
-            }
+
+                });
+
+
+
+
+
 
         }
     }