added error messages

index.js

@@ -1,6 +1,7 @@
 'use strict'
 
 const gradefile = require('./grades.json')
+const colors = require('colors');
 
 console.log("Parsing grades file")
 
@@ -37,7 +38,84 @@ secondYear.forEach(module => {
 	secondParseInfo.totalCredits += module.credits
 })
 
-console.log(secondParseInfo)
+// Should only be two 10 credit modules
+if (secondParseInfo.noOf10 !== 2) {
+	console.log("\n⚠️  Second year should have two '10' credit modules! ⚠️\n".red)
+	process.exit(1)
+}
+
+// Should only be 0 or 1 40 credit module
+if (secondParseInfo.noOf40 > 1) {
+	console.log("\n⚠️  Second year can only have one '30' credit module! ⚠️\n".red)
+	process.exit(1)
+}
+
+// Modules should either be 10, 20 or 40
+if (secondParseInfo.noOfOther > 0) {
+	console.log("\n⚠️  Second year modules should only have the credit amounts: '10', '20', and '40'! ⚠️\n".red)
+	process.exit(1)
+}
+
+if (secondParseInfo.noOf40 > 0 && secondParseInfo.totalCredits !== 160) {
+	console.log("\n⚠️  Second year credits should add to '160' with a '40' credit module! ⚠️\n".red)
+	process.exit(1)
+} else if (secondParseInfo.noOf40 === 0 && secondParseInfo.totalCredits !== 120) {
+	console.log("\n⚠️  Second year credits should add to '120' ('160' if you went on placement) ⚠️\n".red)
+	process.exit(1)
+}
+
+console.log("Second year looks good 😄")
+
+const thirdParseInfo = {
+	noOf30: 0,
+	noOf20: 0,
+	noOf10: 0,
+	noOfOther: 0,
+
+	totalCredits: 0
+}
+
+thirdYear.forEach(module => {
+	switch (module.credits) {
+	case 30:
+		thirdParseInfo.noOf30 += 1
+		break
+	case 20:
+		thirdParseInfo.noOf20 += 1
+		break
+	case 10:
+		thirdParseInfo.noOf10 += 1
+		break
+	default:
+		thirdParseInfo.noOfOther += 1
+		break
+	}
+
+	thirdParseInfo.totalCredits += module.credits
+})
+
+if (thirdParseInfo.noOf10 !== 1) {
+	console.log("\n⚠️  Third year can only have one '10' credit module! ⚠️\n".red)
+	process.exit(1)
+}
+
+if (thirdParseInfo.noOf30 > 1) {
+	console.log("\n⚠️  Third year can only have one '30' credit module! ⚠️\n".red)
+	process.exit(1)
+}
+
+if (thirdParseInfo.noOfOther > 0) {
+	console.log("\n⚠️  Third year modules should only have the credit amounts: '10', '20', and '30'! ⚠️\n".red)
+	process.exit(1)
+}
+
+if (thirdParseInfo.totalCredits !== 120) {
+	console.log("\n⚠️  Third year credits should add to '120' ⚠️\n".red)
+	process.exit(1)
+}
+
+console.log("Third year looks good 😄")
+
 
 // third year avg with lowest 20 missing //
 // third year avg without lowest missing