Add author parameter to query and implement quote filtering by author (…

…#131)

src/api/controllers/quotesController.js

@@ -34,6 +34,8 @@ const quoteController = async (req, res, next) => {
 
     let quoteType = req.query.quoteType || '';
 
+    let author = req.query.author || undefined;
+
     let quoteObject = {
       theme,
       animation,
@@ -42,6 +44,7 @@ const quoteController = async (req, res, next) => {
       quoteCategory,
       font,
       quoteType,
+      author,
       borderColor
     }
 

src/api/services/quotesService.js

@@ -12,10 +12,16 @@ getQuoteIndex = (apiResponseLength, quoteType) => {
   return (quoteType === "quote-for-the-day" ? epoch % apiResponseLength : Math.random() * apiResponseLength);
 }
 
+const filterQuotesByAuthor = (quotes, author) => {
+  const quotesFiltered = quotes.filter((quote) => quote?.author?.toString().toLowerCase().trim() === author.toString().toLowerCase().trim());
+
+  return quotesFiltered.length > 0 ? quotesFiltered : quotes;
+}
+
 const getQuote = async (quoteObj) => {
 
   try {
-    let { theme, animation, layout, quotesUrl, quoteCategory, font, quoteType, borderColor } = quoteObj;
+    let { theme, animation, layout, quotesUrl, quoteCategory, font, quoteType, borderColor, author } = quoteObj;
     let apiResponse;
     let { customQuotesUrl, isValidUrl } = await getValidUrl(quotesUrl);
     let isCustomQuote = false;
@@ -24,6 +30,10 @@ const getQuote = async (quoteObj) => {
       //url from params is valid, proceed to verfiy the data
       apiResponse = await requestApi(customQuotesUrl);
 
+      if (author) {
+        apiResponse = filterQuotesByAuthor(apiResponse, author);
+      }
+
       if (apiResponse.length > 0) {
         apiResponse = apiResponse[Math.floor(getQuoteIndex(apiResponse.length, quoteType))];
 
@@ -34,12 +44,23 @@ const getQuote = async (quoteObj) => {
     }
     else if (quoteCategory) {
       apiResponse = quoteFromCategory[quoteCategory];
+
+      if (author) {
+        apiResponse = filterQuotesByAuthor(apiResponse, author);
+      }
+
       apiResponse = apiResponse[Math.floor(getQuoteIndex(apiResponse.length, quoteType))];
+
       isCustomQuote = true;
     }
 
     if(!isCustomQuote) {
       apiResponse = await requestApi(url);
+
+      if (author) {
+        apiResponse = filterQuotesByAuthor(apiResponse, author);
+      }
+
       apiResponse = apiResponse[Math.floor(getQuoteIndex(apiResponse.length, quoteType))];
     }