Files
frontend-app-gradebook/src/data/actions/utils.js
2018-11-26 14:25:11 -05:00

143 lines
3.7 KiB
JavaScript

import { sortGrades } from './grades';
const sortAlphaAsc = (gradeRowA, gradeRowB) => {
const a = gradeRowA.username.toUpperCase();
const b = gradeRowB.username.toUpperCase();
if (a < b) {
return -1;
}
if (a > b) {
return 1;
}
return 0;
};
const sortAlphaDesc = (gradeRowA, gradeRowB) => {
const a = gradeRowA.username.toUpperCase();
const b = gradeRowB.username.toUpperCase();
if (a < b) {
return 1;
}
if (a > b) {
return -1;
}
return 0;
};
const sortNumerically = (colKey, direction) => {
function getPercents(gradeRowA, gradeRowB) {
if (colKey !== 'total') {
return {
a: gradeRowA.section_breakdown.find(x => x.label === colKey).percent,
b: gradeRowB.section_breakdown.find(x => x.label === colKey).percent,
};
}
return {
a: gradeRowA.percent,
b: gradeRowB.percent,
};
}
function sortNumAsc(gradeRowA, gradeRowB) {
const { a, b } = getPercents(gradeRowA, gradeRowB);
return a - b;
}
function sortNumDesc(gradeRowA, gradeRowB) {
const { a, b } = getPercents(gradeRowA, gradeRowB);
return b - a;
}
return direction === 'desc' ? sortNumDesc : sortNumAsc;
};
function gradeSortMap(columnName, direction) {
if (columnName === 'username' && direction === 'desc') {
return sortAlphaDesc;
} else if (columnName === 'username') {
return sortAlphaAsc;
}
return sortNumerically(columnName, direction);
}
const headingMapper = {
all: (dispatch, entry) => {
if (entry) {
const results = [{
label: 'Username',
key: 'username',
columnSortable: true,
onSort: (direction) => { dispatch(sortGrades('username', direction)); },
}];
const assignmentHeadings = entry.section_breakdown
.filter(section => section.is_graded && section.label)
.map(s => ({
label: s.label,
key: s.label,
columnSortable: true,
onSort: direction => dispatch(sortGrades(s.label, direction)),
}));
const totals = [{
label: 'Total',
key: 'total',
columnSortable: true,
onSort: direction => dispatch(sortGrades('total', direction)),
}];
return results.concat(assignmentHeadings).concat(totals);
}
return [];
},
hw: (dispatch, entry) => {
const results = [{
label: 'Username',
key: 'username',
columnSortable: true,
onSort: (direction) => {
this.setState({
grades: [...this.state.grades].sort(direction === 'desc' ? this.sortAlphaDesc : this.sortAlphaAsc),
});
},
}];
const assignmentHeadings = entry.section_breakdown
.filter(section => section.is_graded && section.label && section.category == 'Homework')
.map(s => ({
label: s.label,
key: s.label,
columnSortable: false,
onSort: (direction) => { this.sortNumerically(s.label, direction); },
}));
return results.concat(assignmentHeadings);
},
exam: (dispatch, entry) => {
const results = [{
label: 'Username',
key: 'username',
columnSortable: false,
onSort: (direction) => {
this.setState({
grades: [...this.state.grades].sort(direction === 'desc' ? this.sortAlphaDesc : this.sortAlphaAsc),
});
},
}];
const assignmentHeadings = entry.section_breakdown
.filter(section => section.is_graded && section.label && section.category == 'Exam')
.map(s => ({
label: s.label,
key: s.label,
columnSortable: false,
onSort: (direction) => { this.sortNumerically(s.label, direction); },
}));
return results.concat(assignmentHeadings);
},
};
export { headingMapper, gradeSortMap, sortAlphaAsc };