Initial commit

TODO: change api.conf URL references to use environment variables and add these variables to the docker-compose configuration for host domain

api/db/controllers/Course.controller.js

@@ -0,0 +1,176 @@
+const db = require("../");
+const Course = db.Course;
+const Op = db.Sequelize.Op;
+
+// Create and Save a new Course
+exports.create = (req, res) => {
+  // Validate
+  if (!req.body) {
+    res.status(400).send({
+      message: "Body content can not be empty!"
+    });
+    return;
+  }
+
+  // Create
+  const courses = []
+
+  if (Array.isArray(req.body)) {
+    courses.push(...req.body)
+  } else {
+    courses.push(req.body)
+  }
+
+  // Save
+  const promises = []
+  courses.forEach(course => {
+    promises.push(Course.create(course))
+  });
+
+  const successes = []
+  const failures = []
+  Promise.allSettled(promises)
+    .then(data => {
+      if (data.every(result => result.status === 'fulfilled')) {
+        res.status(201).send({
+          message: "All courses were created successfully.",
+          successes: data.map(result => result.value),
+          failures: [],
+        })
+        return;
+      }
+
+      data.forEach(result => {
+        if (result.status === 'fulfilled') {
+          successes.push(result.value)
+        } else {
+          failures.push(result.reason)
+        }
+      })
+      res.status(207).send({
+        message: "Some courses were created successfully.",
+        successes: successes,
+        failures: failures,
+      })
+    })
+    .catch(err => {
+      res.status(500).send({
+        message:
+          err.message || "Some error occurred while creating the Course.",
+
+      });
+    });
+};
+
+// Retrieve all Courses from the database.
+exports.findAll = (req, res) => {
+  const name = req.query.name;
+  var condition = name ? { name: { [Op.like]: `%${name}%` } } : null;
+
+  Course.findAll({ where: condition, include: ['trainingsHeld'] })
+    .then(data => {
+      res.send(data);
+    })
+    .catch(err => {
+      res.status(500).send({
+        message:
+          err.message || "Some error occurred while retrieving courses."
+      });
+    });
+};
+
+// Find a single Course with an id
+exports.findOne = (req, res) => {
+  const id = req.params.id;
+
+  Course.findByPk(id)
+    .then(data => {
+      res.send(data);
+    })
+    .catch(err => {
+      res.status(500).send({
+        message: "Error retrieving Course with id=" + id
+      });
+    });
+};
+
+// Update a Course by the id in the request
+exports.update = (req, res) => {
+  const id = req.params.id;
+
+  Course.update(req.body, {
+    where: { id: id }
+  })
+    .then(num => {
+      if (num == 1) {
+        res.send({
+          message: "Course was updated successfully."
+        });
+      } else {
+        res.send({
+          message: `Cannot update Course with id=${id}. Maybe Course was not found or req.body is empty!`
+        });
+      }
+    })
+    .catch(err => {
+      res.status(500).send({
+        message: "Error updating Course with id=" + id
+      });
+    });
+};
+
+// Delete a Course with the specified id in the request
+exports.delete = (req, res) => {
+  const id = req.params.id;
+
+  Course.destroy({
+    where: { id: id }
+  })
+    .then(num => {
+      if (num == 1) {
+        res.send({
+          message: "Course was deleted successfully!"
+        });
+      } else {
+        res.send({
+          message: `Cannot delete Course with id=${id}. Maybe Course was not found!`
+        });
+      }
+    })
+    .catch(err => {
+      res.status(500).send({
+        message: "Could not delete Course with id=" + id
+      });
+    });
+};
+
+// Delete all Courses from the database.
+exports.deleteAll = (req, res) => {
+  Course.destroy({
+    where: {},
+    truncate: false
+  })
+    .then(nums => {
+      res.send({ message: `${nums} Courses were deleted successfully!` });
+    })
+    .catch(err => {
+      res.status(500).send({
+        message:
+          err.message || "Some error occurred while removing all courses."
+      });
+    });
+};
+
+// Find all published Courses
+exports.findAllPublished = (req, res) => {
+  Course.findAll({ where: { published: true } })
+    .then(data => {
+      res.send(data);
+    })
+    .catch(err => {
+      res.status(500).send({
+        message:
+          err.message || "Some error occurred while retrieving courses."
+      });
+    });
+};