From bcb8108f4d71b0f8a67b8d9294d4c8990ed35366 Mon Sep 17 00:00:00 2001
From: Tanner Collin <git@tannercollin.com>
Date: Sun, 23 Feb 2020 00:06:05 +0000
Subject: [PATCH] Add printable attendance sheet to class

---
 webclient/package.json             |  1 +
 webclient/src/InstructorClasses.js | 70 +++++++++++++++++++++++++++++-
 webclient/yarn.lock                |  7 +++
 3 files changed, 77 insertions(+), 1 deletion(-)

diff --git a/webclient/package.json b/webclient/package.json
index 48f15c7..6d69b2d 100644
--- a/webclient/package.json
+++ b/webclient/package.json
@@ -13,6 +13,7 @@
 		"react-quill": "^1.3.3",
 		"react-router-dom": "^5.1.2",
 		"react-scripts": "3.3.0",
+		"react-to-print": "^2.5.1",
 		"semantic-ui-react": "^0.88.2",
 		"serialize-javascript": "^2.1.2"
 	},
diff --git a/webclient/src/InstructorClasses.js b/webclient/src/InstructorClasses.js
index 0b7febe..27f5d0b 100644
--- a/webclient/src/InstructorClasses.js
+++ b/webclient/src/InstructorClasses.js
@@ -1,5 +1,6 @@
-import React, { useState, useEffect } from 'react';
+import React, { useState, useEffect, useRef } from 'react';
 import { BrowserRouter as Router, Switch, Route, Link, useParams, useHistory } from 'react-router-dom';
+import ReactToPrint from 'react-to-print';
 import * as Datetime from 'react-datetime';
 import 'react-datetime/css/react-datetime.css';
 import moment from 'moment';
@@ -8,6 +9,62 @@ import { Button, Container, Checkbox, Divider, Dropdown, Form, Grid, Header, Ico
 import { BasicTable, staticUrl, requester } from './utils.js';
 import { MembersDropdown } from './Members.js';
 
+class AttendanceSheet extends React.Component {
+	render() {
+		const clazz = this.props.clazz;
+		const num = clazz.students.length;
+
+		return (
+			<div style={{ padding: '3rem' }}>
+				<Header size='medium'>{clazz.course_name} Attendance</Header>
+				<p>
+					{moment.utc(clazz.datetime).local().format('llll')}
+					{num >= 2 ? ', '+num+' students sorted by registration time.' : '.'}
+				</p>
+
+				<Grid stackable padded columns={2}>
+					<Grid.Column>
+						<Table collapsing unstackable basic='very'>
+							{clazz.students
+								.filter(x => x.attendance_status !== 'Withdrawn')
+								.slice(0, 15)
+								.map(x =>
+									<Table.Row key={x.id}>
+										<Table.Cell>
+											<Icon name='square outline' size='large' />
+										</Table.Cell>
+										<Table.Cell>
+											{x.student_name}
+										</Table.Cell>
+									</Table.Row>
+								)
+							}
+						</Table>
+					</Grid.Column>
+					<Grid.Column>
+						<Table collapsing unstackable basic='very'>
+							{clazz.students
+								.filter(x => x.attendance_status !== 'Withdrawn')
+								.slice(15)
+								.map(x =>
+									<Table.Row key={x.id}>
+										<Table.Cell>
+											<Icon name='square outline' size='large' />
+										</Table.Cell>
+										<Table.Cell>
+											{x.student_name}
+										</Table.Cell>
+									</Table.Row>
+								)
+							}
+						</Table>
+					</Grid.Column>
+				</Grid>
+			</div>
+		);
+	}
+}
+
 function AttendanceRow(props) {
 	const { student, token, refreshClass } = props;
 	const [error, setError] = useState(false);
@@ -67,6 +124,7 @@ export function InstructorClassAttendance(props) {
 	const [input, setInput] = useState({});
 	const [error, setError] = useState(false);
 	const [loading, setLoading] = useState(false);
+	const printRef = useRef();
 
 	const handleValues = (e, v) => setInput({ ...input, [v.name]: v.value });
 
@@ -106,6 +164,16 @@ export function InstructorClassAttendance(props) {
 
 					<Header size='small'>Mark Attendance</Header>
 
+					{!!clazz.students.length && <div>
+						<div style={{ display: 'none' }}>
+							<AttendanceSheet clazz={clazz} ref={printRef} />
+						</div>
+						<ReactToPrint
+							trigger={() => <Button>Print Attendance Sheet</Button>}
+							content={() => printRef.current}
+						/>
+					</div>}
+
 					{clazz.students.length ?
 						clazz.students.map(x =>
 							<AttendanceRow key={x.id} student={x} {...props} />
diff --git a/webclient/yarn.lock b/webclient/yarn.lock
index aa372f2..828b2c4 100644
--- a/webclient/yarn.lock
+++ b/webclient/yarn.lock
@@ -8724,6 +8724,13 @@ react-scripts@3.3.0:
   optionalDependencies:
     fsevents "2.1.2"
 
+react-to-print@^2.5.1:
+  version "2.5.1"
+  resolved "https://registry.yarnpkg.com/react-to-print/-/react-to-print-2.5.1.tgz#eaaff4248910f179788ab15a593ceb3e07527b8c"
+  integrity sha512-HhuujwTmuGYB+yBq52y1pwiv0aooaLTqksMJ6cGKWy+aT+x6zponitZd54swiAeILndxJ7oO+X1F/93XyfT/JA==
+  dependencies:
+    prop-types "^15.7.2"
+
 react@^16.12.0:
   version "16.12.0"
   resolved "https://registry.yarnpkg.com/react/-/react-16.12.0.tgz#0c0a9c6a142429e3614834d5a778e18aa78a0b83"