From 9ecc707cfb920ef4e1e1b0f8f9395914ee11e27a Mon Sep 17 00:00:00 2001
From: NorbiPeti <szatmari.norbert.peter@gmail.com>
Date: Mon, 25 Jan 2021 18:43:05 +0100
Subject: [PATCH] Semester and KKI calc

---
 spec.js     | 24 ++++++++++++++++++++++++
 specdata.js | 28 ++++++++++++++++++++++++++++
 2 files changed, 52 insertions(+)

diff --git a/spec.js b/spec.js
index dbb888b..579a0e1 100644
--- a/spec.js
+++ b/spec.js
@@ -40,8 +40,10 @@ parseExcel = async function (file) {
 						continue;
 					grade = [, sign.startsWith("Aláírva") ? 5 : 1];
 				}
+				let semester = Semester.parse(row["Félév"]);
 				subject.grade = +grade[1];
 				subject.credit = +row["Kr."];
+				subject.semester = semester;
 				grades[id] = subject;
 			}
 			const specsSpan = document.getElementById("specs");
@@ -93,6 +95,28 @@ parseExcel = async function (file) {
 					specsSpan.innerHTML += "Testnevelés: " + Object.values(grades).reduce((pv, cv) => cv.id.startsWith("XT") && cv.grade === 5 ? pv + 1 : pv, 0) + "/2 félév"; //TODO: Különböző félévben
 				}
 			}
+			console.log("Current semester:");
+			let semester = Semester.current();
+			console.log(semester);
+			let grds = [];
+			for (const grade of Object.values(grades)) {
+				console.log("gsfy: " + grade.semester.firstYear);
+				console.log("gsn: " + grade.semester.num);
+				console.log("sfy: " + semester.firstYear);
+				console.log("sn: " + semester.num);
+				if (grade.semester.firstYear === semester.firstYear && grade.semester.num === semester.num)
+					grds.push(grade);
+			}
+			let totalCred = 0, passedCred = 0, totalNum = 0;
+			for (const grade of grds) {
+				if (grade.grade > 1) {
+					passedCred += grade.credit;
+					totalNum += grade.credit * grade.grade;
+				}
+				totalCred += grade.credit;
+			}
+			console.log("tc: " + totalCred + " pc: " + passedCred + " tn: " + totalNum);
+			specsSpan.innerHTML += "<br />KKI (ösztöndijhoz): " + (totalNum / 30.0 * passedCred / totalCred);
 		});
 	} catch (ex) {
 		console.log(ex);
diff --git a/specdata.js b/specdata.js
index f55c122..29a63ab 100644
--- a/specdata.js
+++ b/specdata.js
@@ -5,6 +5,7 @@ class SubjectData {
 		this.credit = credit;
 		this.categories = categories;
 		this.grade = 0;
+		this.semester = 0;
 	}
 }
 
@@ -28,6 +29,33 @@ class Specialization {
 	}
 }
 
+class Semester {
+	constructor(firstYear, num) {
+		this.firstYear = firstYear;
+		this.num = num;
+	}
+
+	static parse(str) {
+		const regex = /(\d{4})\/\d{2}\/(\d)/g.exec(str);
+		return new Semester(+regex[1], +regex[2]);
+	}
+
+	static current() {
+		const date = new Date();
+		const year = date.getFullYear();
+		const month = date.getMonth();
+		const s = new Semester(year, 1);
+		console.log("Month: " + month);
+		if (month === 0)
+			s.firstYear--;
+		else if (month < 8) {
+			s.firstYear--;
+			s.num++;
+		}
+		return s;
+	}
+}
+
 const kotMatCat = new SubjectCategory("MK‑ALA", "Kötelező matekos tárgyak", 46);
 const kotInfCat = new SubjectCategory("MK‑SZT", "Kötelező infós tárgyak", 52);
 kotSpec = new Specialization("KOT", "Kötelező tárgyak", kotMatCat, kotInfCat);