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user.js
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user.js
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// Custom break message for the forEach function.
var FOREACH_BREAK = '\0000&&AND&&_____foreach_break__\0\0';
// Remove all styles and change the 404 title.
$('title').text('Summit PLP | My Future');
$('style').remove();
// Polyfill hack to get rid of all rounding for testing.
// Math.round = function(a) { return a; }
var utils = {
// Calculates the cog average from all the skills.
// To do this, use the following algorithm:
// For each cog skill dimension that's been added:
// Multiple the number of times it has been scored * the highest score the student has gotten
// Add all of those up
// Add up the total number of times all the skills has been assessed in this course
// Divide the first one by the second
cog_avg: function(skills) {
var cog_total = 0,
weight_total = 0;
for (var i = 0; i < skills.length; i++) {
cog_total += (+skills[i].score || 0) * (+skills[i].weight || 0);
weight_total += (+skills[i].weight || 0);
}
if (weight_total === 0) {
return (12 - utils.grade_level);
}
return cog_total / weight_total;
},
// Converts the cog average to a percentage.
// To convert that raw average into a percentage, you also need to know the student's grade level.
// Formula:
// pcnt = 15 * (raw - seventy_pcnt_score) + 70
// Where `raw` is what you computed in step 1 and seventy_pcnt_score is from this table:
// The cog skills component is computed based on the grade level of the course:
// +–––––––––––––+––––––––––––––––––––+––––––––––––––––––––––––––––+––––––––––––––––––––––––––––––+
// | Grade Level | seventy_pcnt_score | B, 85%, Cog Skills Average | A+, 100%, Cog Skills Average |
// +–––––––––––––+––––––––––––––––––––+––––––––––––––––––––––––––––+––––––––––––––––––––––––––––––+
// | 6th | 2 | 3 | 4 |
// | 7th | 2.5 | 3.5 | 4.5 |
// | 8th | 3 | 4 | 5 |
// | 9th | 3.5 | 4.5 | 5.5 |
// | 10th | 4 | 5 | 6 |
// | 11th | 4.5 | 5.5 | 6.5 |
// | 12th | 5 | 6 | 7 |
// +–––––––––––––+––––––––––––––––––––+––––––––––––––––––––––––––––+––––––––––––––––––––––––––––––+
cog_percentage: function(cog_avg, grade_level) {
return 15 * (cog_avg - (((grade_level || 9) - 6) * 0.5 + 2)) + 70;
},
// Calculates the total course percentage.
// To do that, use the following algorithm:
// Add the following:
// Multiply the cog percentage by 0.7 (70% of grade).
// If powers are on track for 100%, add 21% to the grade. Otherwise, add nothing.
// Multiply the additional percentage by 0.09 (9% of grade).
total_percentage: function(power_on_track, cog_percentage, additional_percentage) {
return cog_percentage * 0.7 + (power_on_track ? 21.0 : 0.0) + additional_percentage * 0.09
},
// Converts a percentage to a letter grade.
// To do that, we need the ones and tens digit.
//
// If the tens digit is greater than 9 (100%+), automatic A+.
// If the tens digit is greater than 8 (90-99%), their base grade is A.
// If the tens digit is greater than 7 (80-89%), their base grade is B.
// If the tens digit is greater than 6 (70-79%), their base grade is C.
//
// If the ones digit is less than 3, they get a minus.
// Ex: 92% --> 2 < 3 === true --> A-.
// If the tens digit is greater than 6, they get a plus.
// Ex: 97% --> 7 > 6 === true --> A+.
letter_grade: function(percentage) {
var plusminus = percentage % 10;
var abci = (percentage - plusminus) / 10;
var grade = '';
if (abci > 9) {
return 'A+';
} else if (abci > 8) {
grade = 'A';
} else if (abci > 7) {
grade = 'B';
} else if (abci > 6) {
grade = 'C';
} else {
return 'Incomplete';
}
if (plusminus < 3) {
grade += '-';
} else if (plusminus > 6) {
grade += '+';
}
return grade;
},
// Deduce the student's grade level.
// This is possible by looking at the student's English course.
// English is the only continuum where each grade gets a mandatory course where the name is unique.
// We can just test the course names for matches to grade-specific English course names.
getGradeLevel: function(courses) {
// Make sure courses is defined and is an array.
if (!courses || !courses.length) {
return 6;
}
var grade_level = 6;
// I should switch to just a plain for() loop.
// The only way to break a forEach loop is by throwing something, catching it, and discarding the value.
// To be safe, throw a very unique string so we know that we did not catch an actual error.
try {
courses.forEach(function(course) {
if (course.name === 'English 6') {
grade_level = 6;
throw FOREACH_BREAK;
} else if (course.name === 'English 7') {
grade_level = 7;
throw FOREACH_BREAK;
} else if (course.name === 'English 8') {
grade_level = 8;
throw FOREACH_BREAK;
} else if (course.name === 'English 9') {
grade_level = 9;
throw FOREACH_BREAK;
} else if (course.name === 'English 10') {
grade_level = 10;
throw FOREACH_BREAK;
} else if (course.name === 'AP English Language') {
grade_level = 11;
throw FOREACH_BREAK;
} else if (course.name === 'AP English Literature') {
grade_level = 12;
throw FOREACH_BREAK;
}
});
} catch (e) {
if (e !== FOREACH_BREAK) {
// We caught another error and should pass it along.
throw e;
}
}
return grade_level;
},
// Gets course data by scraping the grades page.
getCourses: function() {
var courses = [];
// Create a fake body in jQuery where we will store jQuery-parseable HTML we got.
$('<body></body>')
.append(
// Get the HTML from /my/grades and append it in the fake body.
$.ajax({
type: 'GET',
url: '/my/grades',
async: false, // This is detrimental to the UX but removes a lot of work.
error: function() {
// There was some error fetching grades (maybe they did not log in).
alert('There was an error fetching your grades. Have you logged in?');
window.setTimeout(function() {
window.location.href = '/';
}, 1);
}
}).responseText
)
// Find each course and get the course data out of it.
.find('div.course.boxed').toArray().forEach(function(elem) {
elem = $(elem);
var skill_id = 0; // Unique (per course) skill ids.
// Get the goods.
courses.push({
id: courses.length,
name: elem.find('div.span8>h4').text().slice(0, -1),
power_pace: elem.find('div.span1.text-right.out-of:eq(0)').text().split('/').map(function(elem) { return parseInt(elem, 10); }),
additional_pace: elem.find('div.span1.text-right.out-of:eq(1)').text().split('/').map(function(elem) { return parseInt(elem, 10); }),
overdue_projects: parseInt(elem.find('div.span7>b').text().replace(' projects'), 10),
cog_skills: elem.find('tbody').children().toArray().map(function(skill) {
var skill = $(skill);
return {
id: skill_id++,
name: skill.find('td:eq(0)').text(),
weight: parseInt(skill.find('td:eq(1)').text(), 10),
score: parseFloat(skill.find('td.scored').text(), 10) || 0
};
})
});
});
// Set localStorage item so we don't have to scrape each time.
// Do this mainly because it takes some time to scrape the page (which is detrimental to UX).
localStorage.setItem('old_courses', JSON.stringify(courses));
return courses;
}
};
// We don't put this stuff in React right now because I'm trying to get things organized.
// Get the courses.
utils.courses = JSON.parse(localStorage.getItem('old_courses') || 'null') || utils.getCourses();
// Grade level is not stored in <App />.state because we would have to rerender every
utils.grade_level = utils.getGradeLevel(utils.courses);
var Skill = React.createClass({displayName: "Skill",
buildTD: function(number) {
return React.createElement("td", {key: 'grade.' + number, className: 'indicator ' + (this.props.skill.score === number ? 'scored' : ''), onClick: this.props.onCogGradeChange}, number)
},
render: function() {
return (
React.createElement("tr", null,
React.createElement("td", null, this.props.skill.name),
React.createElement("td", {style: { margin: '0px', padding: '0px'}}, React.createElement("input", {style: { height: '100%', width: '54px', margin: '0px', padding: '0px', border: 'none'}, value: this.props.skill.weight, onChange: this.props.onCogWeightChange})),
[1,1.5,2,2.5,3,3.5,4,4.5,5,5.5,6,6.5,7,7.5,8].map(this.buildTD)
)
);
}
});
var Course = React.createClass({displayName: "Course",
getInitialState: function() {
var state = {};
state.course = this.props.course;
state.cog_avg = utils.cog_avg(state.course.cog_skills);
state.cog_percentage = utils.cog_percentage(state.cog_avg, utils.grade_level);
state.power_percentage = state.course.power_pace[1] === 0 ? 100 : ((state.course.power_pace[0] || 1) / (state.course.power_pace[1]) * 100);
state.additional_percentage = state.course.additional_pace[1] === 0 ? 100 : ((state.course.additional_pace[0] || 1) / (state.course.additional_pace[1]) * 100);
state.power_on_track = state.power_percentage >= 70;
state.total_percentage = state.cog_percentage * 0.7 + (state.power_on_track ? 21.0 : 0.0) + state.additional_percentage * 0.09;
state.total_grade = (state.power_percentage < 70 || state.course.overdue_projects > 0) ? 'Incomplete' : utils.letter_grade(state.total_percentage);
state.hidden = true;
return state;
},
updateState: function(children) {
var newstate = {};
children.forEach((function(child) {
switch (child) {
case 'course': {
newstate.course = this.state.course;
break;
}
case 'cog_avg': {
this.state.cog_avg = utils.cog_avg(this.state.course.cog_skills);
newstate.cog_avg = this.state.cog_avg;
break;
}
case 'cog_percentage': {
this.state.cog_percentage = utils.cog_percentage(+this.state.cog_avg, utils.grade_level);
newstate.cog_percentage = this.state.cog_percentage;
break;
}
case 'power_percentage': {
this.state.power_percentage = +this.state.course.power_pace[1] === 0 ? 100 : ((+this.state.course.power_pace[0] || 1) / (+this.state.course.power_pace[1]) * 100);
newstate.power_percentage = this.state.power_percentage;
break;
}
case 'additional_percentage': {
this.state.additional_percentage = +this.state.course.additional_pace[1] === 0 ? 100 : ((+this.state.course.additional_pace[0] || 1) / (+this.state.course.additional_pace[1]) * 100);
newstate.additional_percentage = this.state.additional_percentage;
break;
}
case 'power_on_track': {
this.state.power_on_track = this.state.power_percentage >= 70;
newstate.power_on_track = this.state.power_on_track;
break;
}
case 'total_percentage': {
this.state.total_percentage = +this.state.cog_percentage * 0.7 + (this.state.power_on_track ? 21.0 : 0.0) + +this.state.additional_percentage * 0.09;
newstate.total_percentage = this.state.total_percentage;
break;
}
case 'total_grade': {
this.state.total_grade = (this.state.power_percentage < 70 || this.state.course.overdue_projects > 0) ? 'Incomplete' : utils.letter_grade(+this.state.total_percentage);
newstate.total_grade = this.state.total_grade;
break;
}
}
}).bind(this));
this.setState(newstate);
},
onCogGradeChange: function(skill, e) {
this.state.course.cog_skills[skill.id].score = +e.target.innerHTML || 0;
this.updateState(['course', 'cog_avg', 'cog_percentage', 'total_percentage', 'total_grade']);
},
onCogWeightChange: function(skill, e) {
this.state.course.cog_skills[skill.id].weight = e.target.value;
this.updateState(['course', 'cog_avg', 'cog_percentage', 'total_percentage', 'total_grade']);
},
onAssessmentChange: function(type, e) {
this.state.course[type + '_pace'][0] = e.target.value;
this.updateState(['course', type + '_percentage', 'power_on_track', 'total_percentage', 'total_grade']);
},
buildSkill: function(skill, defaults) {
return React.createElement(Skill, {key: 'skill.' + skill.name.replace(/[\s]/g, ''), skill: skill, onCogGradeChange: this.onCogGradeChange.bind(this, skill), onCogWeightChange: this.onCogWeightChange.bind(this, skill)});
},
toggleHideCourse: function(event) {
this.setState({ hidden: !this.state.hidden });
},
render: function() {
return (
React.createElement("div", {className: "course boxed"},
React.createElement("div", {className: "row-fluid show-hide-details", onClick: this.toggleHideCourse, style: { 'cursor': 'pointer'}},
React.createElement("div", {className: "span8"}, React.createElement("h4", null, this.state.course.name, ":")),
React.createElement("div", {className: "span2 text-right"}, React.createElement("h4", {className: "course-score"}, Math.round(this.state.total_percentage), "%")),
React.createElement("div", {className: "span2"}, React.createElement("h4", {className: "course-grade"}, this.state.total_grade))
),
React.createElement("div", {className: "row-fluid details" + (this.state.hidden ? ' hide' : '')}, React.createElement("div", {className: "span7"}, "You have ", React.createElement("b", null, this.state.course.overdue_projects, " ", this.state.course.overdue_projects === 1 ? 'project' : 'projects'), " overdue.")),
React.createElement("div", {className: "row-fluid details show-hide-cog-skills grade-component" + (this.state.hidden ? ' hide' : '')},
React.createElement("div", {className: "span7"}, "For your ", React.createElement("strong", null, "cognitive skills"), ", you have an average of:"),
React.createElement("div", {className: "span1 cog-avg text-right"}, Math.round(this.state.cog_avg * 100) / 100),
React.createElement("div", {className: "span2 text-right cog-pcnt"}, Math.round(this.state.cog_percentage), "%")
),
React.createElement("div", {className: "row-fluid cog-skills-row show-hide-cog-skills" + (this.state.hidden ? ' hide' : '')},
React.createElement("div", {className: "cog-skills span8"},
React.createElement("table", {className: "table table-bordered table-condensed scores-table"},
React.createElement("thead", null,
React.createElement("tr", null,
React.createElement("th", null),
React.createElement("th", null),
React.createElement("th", {colSpan: 15},
React.createElement("div", {className: "cog-skill-avg", style: { position: 'relative', left: 'calc( ' + this.state.cog_percentage + '% - 20% )'}}, Math.round(this.state.cog_avg))
)
),
React.createElement("tr", null,
React.createElement("th", null, "Cognitive Skill"),
React.createElement("th", null, "Weight"),
React.createElement("th", null),
React.createElement("th", null),
React.createElement("th", null),
React.createElement("th", null),
React.createElement("th", null),
React.createElement("th", null),
React.createElement("th", null),
React.createElement("th", null),
React.createElement("th", {className: "indicator"}, "C-"),
React.createElement("th", null),
React.createElement("th", null),
React.createElement("th", null),
React.createElement("th", {className: "indicator"}, "A+"),
React.createElement("th", null),
React.createElement("th", null)
)
),
React.createElement("tbody", null,
this.state.course.cog_skills.map(this.buildSkill)
)
)
)
),
React.createElement("div", {className: "focus-areas details power-true grade-component" + (this.state.hidden ? ' hide' : '')},
React.createElement("div", {className: "row-fluid"},
React.createElement("div", {className: "span7"}, "For your ", React.createElement("strong", null, "power"), " focus areas, you are on pace to complete:"),
React.createElement("div", {className: "span1 text-right out-of"},
React.createElement("input", {value: this.state.course.power_pace[0], style: { width: '20px', border: 'none', textAlign: 'right'}, onChange: this.onAssessmentChange.bind(this, 'power')}),
"/ ", this.state.course.power_pace[1]
),
React.createElement("div", {className: "span2 text-right pcnt"}, Math.round(this.state.power_percentage), "%")
)
),
React.createElement("div", {className: "focus-areas details power-false grade-component" + (this.state.hidden ? ' hide' : '')},
React.createElement("div", {className: "row-fluid"},
React.createElement("div", {className: "span7"}, "For your ", React.createElement("strong", null, "additional"), " focus areas, you are on pace to complete:"),
React.createElement("div", {className: "span1 text-right out-of"},
React.createElement("input", {value: this.state.course.additional_pace[0], style: { width: '20px', border: 'none', textAlign: 'right'}, onChange: this.onAssessmentChange.bind(this, 'additional')}),
"/ ", this.state.course.additional_pace[1]
), React.createElement("div", {className: "span2 text-right pcnt"}, Math.round(this.state.additional_percentage), "%")
)
)
)
);
}
});
var App = React.createClass({displayName: "App",
getInitialState: function() {
return {
courses: utils.courses
};
},
resetGrades: function() {
this.setState({ courses: utils.getCourses() });
$('body').css('background', 'black');
window.setTimeout(function() {
$('body').css('background', 'white');
}, 100);
},
buildCourse: function(course) {
return React.createElement(Course, {key: 'course.' + course.name.replace(/[\s]/g, ''), course: course});
},
render: function() {
return (
React.createElement("div", {id: "students-next-grades", className: "container-fluid students-next-year", style: { marginTop: '20px'}},
React.createElement("p", {className: "warning"},
React.createElement("em", {style: { color: 'red'}}, "These grades may not represent your current grades."),
" ",
React.createElement("button", {onClick: this.resetGrades}, "Reset/Update Grades")
),
this.state.courses.map(this.buildCourse)
)
);
}
});
React.render(
React.createElement(App, null),
$('body').html('').get(0)
);