\ No newline at end of file
diff --git a/exercises/12_spa/books/modules/books.js b/exercises/12_spa/books/modules/books.js
index 544546d..0778713 100644
--- a/exercises/12_spa/books/modules/books.js
+++ b/exercises/12_spa/books/modules/books.js
@@ -7,7 +7,7 @@ const rest = require('rest')
const google = require('./google')
-const minQueryLen = 3
+//const minQueryLen = 3
// module.exports.search = request => new Promise( async resolve => {
// console.log(request.query)
@@ -20,6 +20,19 @@ const minQueryLen = 3
// //console.log(data)
// })
+module.exports.search = async request => {
+ if(request.query === undefined) {
+ return ''
+ }
+ if(request.query.q === undefined) {
+ return ''
+ }
+ const data = await this.searchGoogle(request.query.q)
+ const books = this.extractFields(data)
+ const table = this.buildTable(books)
+ return table
+}
+
/* -------------------------------------------------------------------------- */
/** Makes a Google Books API query
@@ -27,28 +40,49 @@ const minQueryLen = 3
* @param {String} searchString the URL to use for the query
*/
module.exports.searchGoogle = async searchString => {
- //console.log('calling function searchGoogle')
- //console.log(searchString)
const data = await google.search(searchString)
- //console.log(data)
return data
}
+/** Extracts data from the json
+ *
+ * @param {String} jsonStr the json string to parse
+ * @returns {Array} an array of book details
+ */
module.exports.extractFields = jsonStr => {
const bookArray = []
+ if(typeof jsonStr !== 'string') {
+ throw new Error('parameter has invalid data type')
+ }
const json = JSON.parse(jsonStr)
if(!Array.isArray(json.items)) throw new Error('no book data found')
for(const n of json.items) {
- let item = {}
- console.log(n)
+ const item = {}
item.title = n.volumeInfo.title
- for(const m in n.industryIdentifiers) {
- //console.log(m)
+ for(const m of n.volumeInfo.industryIdentifiers) {
if(m.type === 'ISBN_13') {
- // xxx
+ item.isbn = parseInt(m.identifier)
}
}
bookArray.push(item)
}
return bookArray
}
+
+module.exports.buildTable = bookArray => {
+ if(typeof bookArray !== 'object') {
+ throw new Error('invalid parameter data type')
+ }
+ if(!Array.isArray(bookArray)) {
+ throw new Error('invalid parameter data type')
+ }
+ let result = '