Lottery wine functions & controller.

Split all wine/prelottrey wines into separate controller.
Now also have endpoints for deleting or updating single wine by id.

api/controllers/lotteryWineController.js

@@ -0,0 +1,149 @@
+const path = require("path");
+const lotteryRepository = require(path.join(__dirname, "../lottery"));
+
+const allWines = (req, res) => {
+  return lotteryRepository
+    .allWines()
+    .then(wines =>
+      res.send({
+        wines: wines,
+        success: true
+      })
+    )
+    .catch(error => {
+      const { statusCode, message } = error;
+
+      return res.status(statusCode || 500).send({
+        success: false,
+        message: message || "Unable to fetch lottery wines."
+      });
+    });
+};
+
+const addWines = (req, res) => {
+  const { wines } = req.body;
+
+  if (!(wines instanceof Array)) {
+    return res.status(400).send({
+      message: "Wines must be array.",
+      success: false
+    });
+  }
+
+  const validateAllWines = wines =>
+    wines.map(wine => {
+      const requiredAttributes = ["name", "vivinoLink", "rating", "image", "country", "id", "price"];
+
+      return Promise.all(
+        requiredAttributes.map(attr => {
+          if (typeof wine[attr] === "undefined") {
+            return Promise.reject({
+              message: `Incorrect or missing attribute: ${attr}.`,
+              statusCode: 400,
+              success: false
+            });
+          }
+          return Promise.resolve();
+        })
+      ).then(_ => Promise.resolve(wine));
+    });
+
+  return Promise.all(validateAllWines(wines))
+    .then(wines => lotteryRepository.addWines(wines))
+    .then(savedWines => {
+      var io = req.app.get("socketio");
+      io.emit("new_wine", {});
+      return true;
+    })
+    .then(success =>
+      res.send({
+        message: `Successfully added wines to lottery.`,
+        success: success
+      })
+    )
+    .catch(error => {
+      const { statusCode, message } = error;
+
+      return res.status(statusCode || 500).send({
+        message: message || "Unexpected error occured adding wines.",
+        success: false
+      });
+    });
+};
+
+const updateWineById = (req, res) => {
+  const { id } = req.params;
+  const { wine } = req.body;
+
+  return lotteryRepository
+    .updateWineById(id, wine)
+    .then(updatedWine => {
+      var io = req.app.get("socketio");
+      io.emit("refresh_data", {});
+      return updatedWine;
+    })
+    .then(wine =>
+      res.send({
+        wine,
+        message: `Updated wine: ${wine.name}`,
+        success: true
+      })
+    )
+    .catch(error => {
+      const { statusCode, message } = error;
+
+      return res.status(statusCode || 500).send({
+        message: message || "Unexpected error occured while deleteing wine by id.",
+        success: false
+      });
+    });
+};
+
+const deleteWineById = (req, res) => {
+  const { id } = req.params;
+
+  return lotteryRepository
+    .deleteWineById(id)
+    .then(removedWine => {
+      var io = req.app.get("socketio");
+      io.emit("refresh_data", {});
+      return removedWine;
+    })
+    .then(wine =>
+      res.send({
+        message: `Removed wine: ${wine.name}`,
+        success: true
+      })
+    )
+    .catch(error => {
+      const { statusCode, message } = error;
+
+      return res.status(statusCode || 500).send({
+        message: message || "Unexpected error occured while deleteing wine by id.",
+        success: false
+      });
+    });
+};
+
+const deleteWines = (req, res) => {
+  return lotteryRepository
+    .deleteWines()
+    .then(removedWine => {
+      var io = req.app.get("socketio");
+      io.emit("refresh_data", {});
+    })
+    .then(_ =>
+      res.send({
+        message: "Removed all wines",
+        success: true
+      })
+    );
+};
+
+module.exports = {
+  allWines,
+  addWines,
+  updateWineById,
+  deleteWineById,
+  deleteWines
+};