Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 | 2x 2x 2x 48x 48x 2x 47x 2x 48x 437x 437x 48x 437x 768x 2x 7x 7x 2257x 2257x 2257x 1422x 835x 7x 437x 437x 48x 437x 7x 2x 48x 480x 2x 7x 48x 48x | import React from "react";
import {
BarChart,
Bar,
XAxis,
YAxis,
Tooltip,
ResponsiveContainer,
Legend,
} from "recharts";
// Stryker disable all: don't need to mutate constant arrays I just have to make checking things easier
// List of all possible grades
const allGrades = [
"A+",
"A",
"A-",
"B+",
"B",
"B-",
"C+",
"C",
"C-",
"D+",
"D",
"D-",
"F",
"P",
"W",
"NP",
];
const qtrNumToQuarter = {
1: "Winter",
2: "Spring",
3: "Summer",
4: "Fall",
};
// Stryker restore all
//from an input YYYYQ, create a prettier formated output that I like
const yyyyqToPrettyStr = (yyyyq) => {
const [year, qtr] = [yyyyq.slice(0, 4), yyyyq[4]];
return `${qtrNumToQuarter[qtr]} ${year}`;
};
const formatTooltip = (value, _, props) => {
return [`Percentage: ${value.toFixed(1)}%, Count: ${props.payload.count}`];
};
// Helper function to fill in for when 0 students got a grade
const createCompleteGradeData = (data) => {
const gradeCounts = data.reduce((acc, item) => {
acc[item.grade] = item.count;
return acc;
}, {});
const totalCount = Object.values(gradeCounts).reduce(
(acc, count) => acc + count,
0,
);
return allGrades.map((grade) => ({
grade,
count: gradeCounts[grade] || 0,
percentage:
totalCount > 0 ? ((gradeCounts[grade] || 0) / totalCount) * 100 : 0,
}));
};
// Helper function to group data by `yyyyq` and `instructor`
// This will allow different instructors in the same quarter to be displayed seperatly
const groupDataByQuarterAndInstructor = (data) => {
const groupedData = {};
// Added sort function to be able to display data by most recent quarter
data.sort((a, b) => {
const [yearA, qtrA] = [a.yyyyq.slice(0, 4), a.yyyyq[4]];
const [yearB, qtrB] = [b.yyyyq.slice(0, 4), b.yyyyq[4]];
if (yearA !== yearB) {
return yearB - yearA;
} else {
return qtrB - qtrA;
}
});
data.forEach((item) => {
const key = `${item.yyyyq}-${item.instructor}`;
if (!groupedData[key]) {
groupedData[key] = [];
}
groupedData[key].push(item);
});
return groupedData;
};
// Component to render a single bar chart for a specific group of data
const GradeBarChart = ({ data, title }) => {
const completeData = createCompleteGradeData(data);
return (
<div data-testid="grade-history-graph">
<h3>{title}</h3>
<ResponsiveContainer width="100%" height={300}>
<BarChart
data={completeData}
// Stryker disable all
margin={{
top: 5,
right: 30,
left: 20,
bottom: 5,
}}
>
<XAxis dataKey="grade" />
<YAxis
tickFormatter={(value) => `${value.toFixed(1)}%`}
// Stryker restore all
/>
<Legend />
<Tooltip formatter={formatTooltip} />
<Bar dataKey="percentage" fill="#8884d8" />
</BarChart>
</ResponsiveContainer>
</div>
);
};
const GradeHistoryGraphs = ({ gradeHistory }) => {
const groupedData = groupDataByQuarterAndInstructor(gradeHistory);
return (
<div data-testid="grade-history-graphs">
{Object.keys(groupedData).map((key) => {
const data = groupedData[key];
const title = `${yyyyqToPrettyStr(data[0].yyyyq)} - ${
data[0].instructor
}`;
return <GradeBarChart key={key} data={data} title={title} />;
})}
</div>
);
};
export default GradeHistoryGraphs;
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