gitea-mirror/basic-computer-games
1
0
Fork 0
mirror of https://github.com/coding-horror/basic-computer-games.git synced 2025-12-21 14:50:54 -08:00
Code Issues Packages Projects Releases Wiki Activity

95 Weekday - move methods into appropriate? scopes or classes

Browse Source
This commit is contained in:
Steve Bosman
2022-02-06 22:38:56 +00:00
parent 463351287e
commit b981f2b9de
1 changed files with 46 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

82
95_Weekday/javascript/weekday.js
View File

@@ -52,8 +52,6 @@ const MONTHS_PER_YEAR = 12;
const DAYS_PER_COMMON_YEAR = 365;
const DAYS_PER_IDEALISED_MONTH = 30;
const MAXIMUM_DAYS_PER_MONTH = 31;
// In a common (non-leap) year the day of the week for the first of each month moves by the following amounts.
const COMMON_YEAR_MONTH_OFFSET = [0, 3, 3, 6, 1, 4, 6, 2, 5, 0, 3, 5];
/**
* Date representation.
@@ -123,6 +121,9 @@ class DateStruct {
* @returns {number} Value between 1 and 7 representing Sunday to Saturday.
*/
getDayOfWeek() {
// In a common (non-leap) year the day of the week for the first of each month moves by the following amounts.
const COMMON_YEAR_MONTH_OFFSET = [0, 3, 3, 6, 1, 4, 6, 2, 5, 0, 3, 5];
// Calculate an offset based on the century part of the year.
const centuriesSince1500 = Math.floor((this.year - 1500) / 100);
let centuryOffset = centuriesSince1500 * 5 + (centuriesSince1500 + 3) / 4;
@@ -234,6 +235,29 @@ class Duration {
}
}
/**
* Computes an approximation of the days covered by the duration.
* The calculation assumes all years are 365 days, months are 30 days each,
* and adds on an extra bit the more months that have passed.
* @returns {number}
*/
getApproximateDays() {
return (
(this.#years * DAYS_PER_COMMON_YEAR)
+ (this.#months * DAYS_PER_IDEALISED_MONTH)
+ this.#days
+ Math.floor(this.#months / 2)
);
}
/**
* Returns a formatted duration with tab separated values, i.e. Years\tMonths\tDays.
* @returns {string}
*/
toString() {
return this.#years + "\t" + this.#months + "\t" + this.#days;
}
/**
* Determine approximate Duration between two dates.
* This is a naive calculation which assumes all months are 30 days.
@@ -263,10 +287,6 @@ class Duration {
const days = totalDays - (months * DAYS_PER_IDEALISED_MONTH);
return new Duration(years, months, days);
}
toString() {
return this.#years + "/" + this.#months + "/" + this.#days;
}
}
// Main control section
@@ -285,14 +305,6 @@ async function main() {
return new DateStruct(year, month, day);
}
/**
* Print the supplied duration.
* @param {Duration} duration
*/
function printTimeSpent(duration) {
print(duration.years + "\t" + duration.months + "\t" + duration.days + "\n");
}
/**
* Obtain text for the day of the week.
* @param {DateStruct} date
@@ -371,36 +383,34 @@ async function main() {
}
print(" \tYEARS\tMONTHS\tDAYS\n");
print(" \t-----\t------\t----\n");
print("YOUR AGE (IF BIRTHDATE) \t");
printTimeSpent(differenceBetweenDates);
const approximateDaysBetween = (differenceBetweenDates.years * DAYS_PER_COMMON_YEAR) + (differenceBetweenDates.months * DAYS_PER_IDEALISED_MONTH) + differenceBetweenDates.days + Math.floor(differenceBetweenDates.months / 2);
// Create an object containing time unaccounted for
print("YOUR AGE (IF BIRTHDATE) \t" + differenceBetweenDates + "\n");
const approximateDaysBetween = differenceBetweenDates.getApproximateDays();
const unaccountedTime = differenceBetweenDates.clone();
// Calculate time spent in the following functions.
print("YOU HAVE SLEPT \t\t\t");
// 35% sleeping
const sleepTimeSpent = Duration.fromDays(approximateDaysBetween, 0.35);
printTimeSpent(sleepTimeSpent);
print("YOU HAVE SLEPT \t\t\t" + sleepTimeSpent + "\n");
unaccountedTime.remove(sleepTimeSpent);
print("YOU HAVE EATEN \t\t\t");
// 17% eating
const eatenTimeSpent = Duration.fromDays(approximateDaysBetween, 0.17);
printTimeSpent(eatenTimeSpent);
print("YOU HAVE EATEN \t\t\t" + eatenTimeSpent + "\n");
unaccountedTime.remove(eatenTimeSpent);
if (unaccountedTime.years <= 3) {
print("YOU HAVE PLAYED \t\t");
} else if (unaccountedTime.years <= 9) {
print("YOU HAVE PLAYED/STUDIED \t");
} else {
print("YOU HAVE WORKED/PLAYED \t\t");
}
const workPlayTimeSpent = Duration.fromDays(approximateDaysBetween, 0.23);
printTimeSpent(workPlayTimeSpent);
// 23% working, studying or playing
const workPlayTimeSpent = Duration.fromDays(approximateDaysBetween, 0.23);
if (unaccountedTime.years <= 3) {
print("YOU HAVE PLAYED \t\t" + workPlayTimeSpent + "\n");
} else if (unaccountedTime.years <= 9) {
print("YOU HAVE PLAYED/STUDIED \t" + workPlayTimeSpent + "\n");
} else {
print("YOU HAVE WORKED/PLAYED \t\t" + workPlayTimeSpent + "\n");
}
unaccountedTime.remove(workPlayTimeSpent);
print("YOU HAVE RELAXED \t\t");
printTimeSpent(unaccountedTime);
// Remaining time spent relaxing
print("YOU HAVE RELAXED \t\t" + unaccountedTime + "\n");
const retirementYear = dateOfBirth.year + 65;
print("\n");