New message & wine controllers!

These interface towards the respective repositories.
Wine:
 - /api/wine/:id - getWineById
 - /api/wines - allWines

Messages:
 - /api/lottery/messages/winner/:id - notifyWinnerById

api/controllers/messageController.js

@@ -0,0 +1,30 @@
+const path = require("path");
+const messageRepository = require(path.join(__dirname, "../message"));
+const winnerRepository = require(path.join(__dirname, "../winner"));
+
+const notifyWinnerById = (req, res) => {
+  const { id } = req.params;
+  const isAdmin = req.isAuthenticated();
+
+  return winnerRepository
+    .winnerById(id, isAdmin)
+    .then(winner => messageRepository.sendPrizeSelectionLink(winner))
+    .then(messageResponse =>
+      res.send({
+        messageResponse,
+        success: true
+      })
+    )
+    .catch(error => {
+      const { statusCode, message } = error;
+
+      return res.status(statusCode || 500).send({
+        message: message || "Unexpected error occured while sending message to winner by id.",
+        success: false
+      });
+    });
+};
+
+module.exports = {
+  notifyWinnerById
+};

api/controllers/wineController.js

@@ -0,0 +1,50 @@
+const path = require("path");
+const wineRepository = require(path.join(__dirname, "../wine"));
+
+const allWines = (req, res) => {
+  // TODO add "includeWinners"
+
+  return wineRepository
+    .allWines()
+    .then(wines =>
+      res.send({
+        wines: wines,
+        message: `All wines.`,
+        success: true
+      })
+    )
+    .catch(error => {
+      const { statusCode, message } = error;
+
+      return res.status(statusCode || 500).send({
+        success: false,
+        message: message || "Unable to fetch all wines."
+      });
+    });
+};
+
+const wineById = (req, res) => {
+  const { id } = req.params;
+
+  return wineRepository
+    .wineById(id)
+    .then(wine => {
+      res.send({
+        wine,
+        success: true
+      });
+    })
+    .catch(error => {
+      const { statusCode, message } = error;
+
+      return res.status(statusCode || 500).send({
+        message: message || "Unexpected error occured while fetching wine by id.",
+        success: false
+      });
+    });
+};
+
+module.exports = {
+  allWines,
+  wineById
+};