Issue #1, #2, #3, #4

src/routes/pokemon.js

@@ -1,37 +1,65 @@
 const express = require("express");
 const router = express.Router();
 const pokedex = require("../db/pokedex.json");
+const { search } = require("./pokemon");
 
 /* GET All Pokemon */
 router.get("/", function (req, res, next) {
   res.json(pokedex);
 });
 
+/* GET Pokemon by HP */
+router.get("/hp", function (req, res, next) {
+  const queryKeys = Object.keys(req.query);
+  if (!queryKeys.length) return res.status(404).json({ error: "Not found" });
+
+  /**
+   * @returns {Boolean} if a given value tests valid with the respective query
+   */
+  function testQuery(query, value) {
+    switch (query) {
+      case 'gt': return value > req.query["gt"];
+      case 'lt': return value < req.query["lt"];
+      case 'gte': return value > req.query["gte"];
+      case 'lte': return value < req.query["lte"];
+      default: res.status(400).json({ error: 'Invalid Operator. Must be one of ["gt","gte","lt","lte"]' })
+    }
+  }
+
+  const searchResults = pokedex.filter(pokemon =>
+    queryKeys.reduce((isPassed, query) =>
+      isPassed = isPassed ? testQuery(query, pokemon.base.HP) : false
+      , true));
+  if (searchResults.length) res.status(200).json(searchResults);
+  else res.status(404).json({ error: "Not found" })
+  return;
+});
+
 /* GET Pokemon by Id. */
 router.get("/:id", function (req, res, next) {
-  // TODO: Implement this route. See swagger docs for details, by visiting http://localhost:3000/api-docs
-  res.status(501).json({ message: "Not Implemented" });
+  const id = parseInt(req.params.id);
+  if (isNaN(id)) return res.status(400).json({ error: "Invalid ID" });
+  const searchResult = pokedex.find(pokemon => pokemon.id === id);
+  if (searchResult) res.status(200).json(searchResult);
+  else res.status(404).json({ error: "Not found" });
   return;
 });
 
 /* GET Pokemon by English Name */
 router.get("/name/:name", function (req, res, next) {
-  // TODO: Implement this route. See swagger docs for details, by visiting http://localhost:3000/api-docs
-  res.status(501).json({ message: "Not Implemented" });
+  const name = req.params.name.toLowerCase();
+  const searchResult = pokedex.find(pokemon => `${pokemon.name.english}`.toLowerCase() == name);
+  if (searchResult) res.status(200).json(searchResult);
+  else res.status(404).json({ error: "Not found" });
   return;
 });
 
 /* GET Pokemon by Type */
 router.get("/type/:type", function (req, res, next) {
-  // TODO: Implement this route. See swagger docs for details, by visiting http://localhost:3000/api-docs
-  res.status(501).json({ message: "Not Implemented" });
-  return;
-});
-
-/* GET Pokemon by HP */
-router.get("/hp", function (req, res, next) {
-  // TODO: Implement this route. See swagger docs for details, by visiting http://localhost:3000/api-docs
-  res.status(501).json({ message: "Not Implemented" });
+  const qType = req.params.type.toLowerCase();
+  const searchResults = pokedex.filter(pokemon => pokemon.type.find(type => type.toLowerCase() === qType));
+  if (searchResults.length) res.status(200).json(searchResults);
+  else res.status(400).json({ error: "Bad request" });
   return;
 });