Agregado EndPoint para filtrar usuarios por Stack

.gitignore

@@ -1 +1,2 @@
 node_modules
+package.json

lib/controllers/ExplorerController.js

@@ -21,6 +21,12 @@ class ExplorerController{
         const explorers = Reader.readJsonFile("explorers.json");
         return ExplorerService.getAmountOfExplorersByMission(explorers, mission);
     }
+
+    static getExplorersByStack(stack){
+        const explorers = Reader.readJsonFile("explorers.json");
+        return ExplorerService.getExplorersByStack(explorers,stack);
+    }
+
 }
 
 module.exports = ExplorerController;

lib/server.js

@@ -32,6 +32,12 @@ app.get("/v1/fizzbuzz/:score", (request, response) => {
     response.json({score: score, trick: fizzbuzzTrick});
 });
 
+app.get("/v1/explorers/stack/:stacks", (request, response) => {
+    const stack = request.params.stacks;   
+    const explorerList = ExplorerController.getExplorersByStack(stack);
+    response.json(explorerList);
+});
+
 app.listen(port, () => {
     console.log(`FizzBuzz API in localhost:${port}`);
 });

lib/services/ExplorerService.js

@@ -16,6 +16,11 @@ class ExplorerService {
         return explorersUsernames;
     }
 
+    static getExplorersByStack(explorers,stack){
+        const explorersList = explorers.filter((explorer) => explorer.stacks.includes(stack));
+        return explorersList;
+    }
+
 }
 
 module.exports = ExplorerService;