├── README.md
└── app_script.gs


/README.md:
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1 | # gas-rest-api
2 | # gas-rest-api
3 | 


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/app_script.gs:
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 1 | var ss = SpreadsheetApp.openById("1XPLvup4IUy4Ffeim8211rh1vRdDiTE2c6e9UtRSPGHk");
 2 | var sheet = ss.getSheetByName("app data")
 3 | var rng = ss.getDataRange()
 4 | var data = rng.getValues()
 5 | var headings = data[0]
 6 | 
 7 | /* Take a product ID as input and return the
 8 |  *  row corresponding to that product ID.*/
 9 | 
10 | function productQuery(prodId){
11 |   for (var i = 1; i < data.length; i++){
12 |     if (prodId === data[i][0]){
13 |       return data[i]
14 |     }
15 |   }
16 | }
17 | 
18 | /* Take a spreadsheet (product) row and turn it into an object
19 |  with spreadsheet headings as object keys. */
20 | 
21 | function formatProduct(rowData){
22 |   var product = {}
23 |   for (var i = 0; i < headings.length; i++){
24 |     product[headings[i].toString()] = rowData[i]
25 |   }
26 |   return product
27 | }
28 | 
29 | function doGet(request) {
30 |   // Check for a valid request URI
31 |   if (request.parameter.action !== undefined){
32 |     if (request.parameter.prodid !== undefined){
33 |       prodIds = request.parameters.prodid
34 |       
35 |       // The object to be returned as JSON
36 |       response = {
37 |         products : []
38 |       }
39 |       
40 |       // Fill the products array with requested products
41 |       for (var i = 0; i < prodIds.length; i++){   
42 |         sheetData = productQuery(prodIds[i])
43 |         product = formatProduct(sheetData)
44 |         response.products.push(product)
45 |       }
46 |       
47 |       if (response.products.length > 0){
48 |         return ContentService.createTextOutput(JSON.stringify(response));
49 |       } else {
50 |         return ContentService.createTextOutput('Invalid Request. Product ID(s) not found.');
51 |       }      
52 |     } else {
53 |       return ContentService.createTextOutput('Invalid Request. Use at least one valid "prodid" parameter.');
54 |     } 
55 |   } else {
56 |     return ContentService.createTextOutput('Invalid Request. Use a valid "action" parameter.');
57 |   }
58 | }
59 | 


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