Files
studysprint/app/(tabs)/assignments.tsx

328 lines
11 KiB
TypeScript

import { defaultStyles } from '@/constants/defaultStyles';
import { supabase } from '@/lib/supabase';
import type { Assignment, Task } from '@/lib/types';
import { Ionicons } from '@expo/vector-icons';
import { Session } from '@supabase/supabase-js';
import { router, Stack, useFocusEffect } from 'expo-router';
import { useCallback, useEffect, useState } from 'react';
import {
Alert,
Pressable,
SectionList,
Text,
View,
} from 'react-native';
export default function Assignments() {
const [assignments, SetAssignments] = useState<Assignment[]>([]);
const [tasksByAssignment, SetTasksByAssignment] = useState<Record<string, Task[]>>({});
const [session, SetSession] = useState<Session | null>(null);
const assignmentSections = [
{
title: 'Upcoming Assignments',
data: assignments.filter((assignment) => !assignment.isCompleted),
emptyMessage: 'No upcoming assignments',
},
{
title: 'Completed Assignments',
data: assignments.filter((assignment) => assignment.isCompleted),
emptyMessage: 'No completed assignments',
},
];
useEffect(() => {
supabase.auth
.getSession()
.then(({ data }) => SetSession(data.session ?? null));
const { data: sub } = supabase.auth.onAuthStateChange(
(_event, newSession) => {
SetSession(newSession);
}
);
return () => sub.subscription.unsubscribe();
}, []);
const GetAssignments = async () => {
const { data: assignmentsData, error: assignmentsError } = await supabase
.from('assignments')
.select('*')
.order('deadline', { ascending: false });
if (assignmentsError) {
Alert.alert('Assignments could not be fetched, please try again');
return;
}
const assignmentRows = assignmentsData ?? [];
SetAssignments(assignmentRows);
if (assignmentRows.length === 0) {
SetTasksByAssignment({});
return;
}
const aIds = assignmentRows.map((assignment) => assignment.aId);
const { data: tasksData, error: tasksError } = await supabase
.from('tasks')
.select('*')
.in('aId', aIds);
if (tasksError) {
Alert.alert('Assignment tasks could not be fetched, please try again');
SetTasksByAssignment({});
return;
}
const groupedTasks: Record<string, Task[]> = {};
for (const task of tasksData ?? []) {
if (!groupedTasks[task.aId]) {
groupedTasks[task.aId] = [];
}
groupedTasks[task.aId].push(task);
}
SetTasksByAssignment(groupedTasks);
};
useFocusEffect(
useCallback(() => {
if (session) {
GetAssignments();
}
}, [session])
);
const DeleteAssignment = async (aId: string) => {
Alert.alert(
'Delete Assignment',
'Are you sure you want to delete this assignment?',
[
{
text: 'Cancel',
style: 'cancel',
},
{
text: 'Delete',
style: 'destructive',
onPress: async () => {
const { error } = await supabase
.from('assignments')
.delete()
.eq('aId', aId);
if (error) {
Alert.alert('Assignment could not be deleted, please try again');
return;
}
Alert.alert('Assignment deleted successfully!');
GetAssignments();
},
},
]
);
};
return (
<View className="flex-1 bg-app-bg">
<Stack.Screen
options={{
title: 'Assignments',
headerTitleStyle: defaultStyles.title,
headerRight: () => (
<View className="flex-row items-center">
<Pressable
className="mr-3 h-10 w-10 items-center justify-center rounded-full border border-app-border bg-app-surface"
onPress={GetAssignments}
>
<Ionicons name="refresh" size={20} color="#333" />
</Pressable>
<Pressable
className="rounded-full bg-app-subtle px-4 py-2"
onPress={async () => await supabase.auth.signOut()}
>
<Text className="text-sm font-semibold text-text-secondary">
Logout
</Text>
</Pressable>
</View>
),
}}
/>
<View className="flex-1 px-5 pt-5">
<View className="mb-6">
<Text className="text-3xl font-bold text-text-main">
Assignments
</Text>
<Text className="mt-2 text-base leading-6 text-text-secondary">
Track what is coming up and what you have already finished.
</Text>
</View>
<Pressable
className="mb-6 h-14 items-center justify-center rounded-2xl bg-accent"
onPress={() => router.push('/assignment/createAssignment')}
>
<Text className="text-base font-bold text-text-inverse">
Create Assignment
</Text>
</Pressable>
<SectionList
sections={assignmentSections}
keyExtractor={(item) => item.aId}
showsVerticalScrollIndicator={false}
stickySectionHeadersEnabled={false}
contentContainerStyle={{
paddingBottom: 32,
}}
renderSectionHeader={({ section: { title, data } }) => (
<View className="mb-3 mt-2 flex-row items-center justify-between">
<Text className="text-lg font-bold text-text-main">
{title}
</Text>
<View className="rounded-full bg-app-subtle px-3 py-1">
<Text className="text-xs font-semibold text-text-muted">
{data.length}
</Text>
</View>
</View>
)}
renderItem={({ item }) => {
const isOwner = session?.user.id === item.uId;
const assignmentTasks = tasksByAssignment[item.aId] ?? [];
const progress = assignmentTasks.length === 0 ? 0 : Math.round((assignmentTasks.filter(task => task.isCompleted).length / assignmentTasks.length) * 100);
return (
<View className="mb-4 rounded-3xl border border-app-border bg-app-surface p-4 shadow-sm">
<Pressable
onPress={() =>
router.push({
pathname: '/assignment/viewDetailsAssignment',
params: { aId: item.aId },
})
}
>
<View className="flex-row items-start">
<View
className={`mr-3 mt-1 h-6 w-6 items-center justify-center rounded-md border-2 ${
item.isCompleted
? 'border-accent bg-accent'
: 'border-app-border bg-app-subtle'
}`}
>
{item.isCompleted && (
<Text className="text-sm font-bold text-text-inverse">
</Text>
)}
</View>
<View className="flex-1">
<Text
className={`text-base font-bold ${
item.isCompleted
? 'text-text-secondary'
: 'text-text-main'
}`}
>
{item.title}
</Text>
{item.description ? (
<Text
className="mt-1 text-sm leading-5 text-text-muted"
numberOfLines={2}
>
{item.description}
</Text>
) : null}
<View className="mt-3 self-start rounded-full bg-app-subtle px-3 py-1">
<Text className="text-xs font-semibold text-text-secondary">
Deadline: {item.deadline || 'No deadline'}
</Text>
</View>
<View style={{ marginTop: 10 }}>
<Text style={{ marginBottom: 4 }}>{progress}%</Text>
<View
style={{
width: "100%",
height: 12,
backgroundColor: "#D9D9D9",
borderRadius: 999,
overflow: "hidden",
}}
>
<View
style={{
width: `${progress}%`,
height: "100%",
backgroundColor: "#4CAF50",
}}
/>
</View>
</View>
</View>
</View>
</Pressable>
{isOwner && (
<View className="mt-4 flex-row border-t border-app-border pt-4">
<Pressable
className="mr-3 flex-1 items-center justify-center rounded-2xl border border-app-border bg-app-subtle py-3"
onPress={() =>
router.push({
pathname: '/assignment/editAssignment',
params: { aId: item.aId },
})
}
>
<Text className="text-sm font-bold text-text-secondary">
Edit
</Text>
</Pressable>
<Pressable
className="flex-1 items-center justify-center rounded-2xl border border-app-border bg-app-surface py-3"
onPress={() => DeleteAssignment(item.aId)}
>
<Text className="text-sm font-bold text-status-danger">
Delete
</Text>
</Pressable>
</View>
)}
</View>
);
}}
renderSectionFooter={({ section }) =>
section.data.length === 0 ? (
<View className="mb-6 rounded-3xl border border-app-border bg-app-surface p-5">
<Text className="text-center text-base font-semibold text-text-secondary">
{section.emptyMessage}
</Text>
<Text className="mt-1 text-center text-sm text-text-muted">
New assignments will show up here.
</Text>
</View>
) : (
<View className="mb-2" />
)
}
/>
</View>
</View>
);
}