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import QtQuick 2.15
import QtQuick.Layouts 1.15
import QtQuick.Controls 2.15
import org.kde.plasma.plasmoid 2.0
import org.kde.plasma.core 2.0 as PlasmaCore
import org.kde.plasma.components 2.0 as PlasmaComponents
import org.kde.plasma.components 3.0 as PlasmaComponents3
import org.kde.plasma.extras 2.0 as PlasmaExtras
Item {
width: PlasmaCore.Units.gridUnit * 20
height: PlasmaCore.Units.gridUnit * 40
clip: true
readonly property string canvasUrl: plasmoid.configuration.canvasUrl
readonly property string apiEndpoint: `${canvasUrl.replace(/\/$/, "")}/api/v1`
readonly property string oauth2Token: plasmoid.configuration.oauth2Token
readonly property string authHeader: `Bearer ${oauth2Token}`
function callApi(path, perPage, callback) {
let xhr = new XMLHttpRequest()
let apiUrl = `${apiEndpoint}${path}`
if (perPage >= 1) {
// add pagination parameter
apiUrl += `${path.includes("?") ? "&" : "?"}per_page=${perPage}`
}
xhr.open("GET", apiUrl)
xhr.setRequestHeader("Authorization", authHeader)
xhr.onload = () => {
if (xhr.status == 200) {
try {
let json = JSON.parse(xhr.responseText)
if (callback) { callback(json) }
} catch (e) {
if (e instanceof SyntaxError) {
console.error(`Cannot parse response for ${path} as JSON:\n${xhr.responseText}`)
} else { throw e }
}
} else {
console.error(`XHR failed when retrieving ${path} (status ${xhr.status}):\n${xhr.responseText}`)
}
}
xhr.send()
}
function syncCanvas() {
const courses = plasmoid.configuration.courses.split("\n").map(
// each line in the "courses" config consists of
// a numeric course id, a space, and a course code
line => {
const spaceIndex = line.indexOf(" ")
return {id: line.slice(0, spaceIndex), code: line.slice(spaceIndex + 1)}
}
)
const showSubmittedAssignments = plasmoid.configuration.showSubmittedAssignments
// we need user id to check submission status
callApi("/users/self", 0, user => {
syncCourses(courses, showSubmittedAssignments, user.id)
})
}
function syncCourses(courses, showSubmittedAssignments, userId) {
announcementsModel.clear()
assignmentsModel.clear()
let importantCount = {announcements: 0, assignments: 0}
for (let course of courses) {
callApi(`/announcements?context_codes[]=course_${course.id}`, 50, announcements => {
announcements.forEach(announcement => {
const info = {
type: "announcement",
activityId: announcement.id,
course: course.code,
title: announcement.title,
url: announcement.html_url,
important: plasmoid.configuration.importantAnnouncements.includes(announcement.id.toString()),
finished: plasmoid.configuration.finishedAnnouncements.includes(announcement.id.toString()),
}
if (info.important) {
announcementsModel.insert(importantCount.announcements++, info) // place above unimportant ones
} else {
announcementsModel.append(info)
}
})
})
callApi(`/courses/${course.id}/assignments`, 50, assignments => {
assignments.forEach(assignment => {
callApi(`/courses/${course.id}/assignments/${assignment.id}/submissions/${userId}`, 0, submission => {
const info = {
type: "assignment",
activityId: assignment.id,
course: course.code,
title: assignment.name,
dueAt: assignment.due_at || "", // if null, use empty string to suppress errors
submitted: submission.workflow_state != "unsubmitted", // "graded" counts as submitted
url: assignment.html_url,
important: plasmoid.configuration.importantAssignments.includes(assignment.id.toString()),
finished: plasmoid.configuration.finishedAssignments.includes(assignment.id.toString()),
}
if (!info.submitted || showSubmittedAssignments) {
if (info.important) {
assignmentsModel.insert(importantCount.assignments++, info)
} else {
assignmentsModel.append(info)
}
}
})
})
})
}
}
// sync on initialization
Component.onCompleted: syncCanvas()
// update every refreshInterval minutes
Timer {
interval: plasmoid.configuration.refreshInterval * 60 * 1000
running: true
repeat: true
onTriggered: syncCanvas()
}
// top level layout
ColumnLayout {
id: main
anchors.fill: parent
PlasmaExtras.Heading {
level: 1
text: "Kanvas"
}
PlasmaExtras.Heading {
level: 2
text: "Announcements"
}
ListModel {
id: announcementsModel
/* Uncomment when debugging layout
ListElement {
type: "announcement"
course: "CS101"
title: "Code quality"
url: "https://xkcd.com/1513"
important: true
finished: false
activityId: 0
}
*/
}
ScrollView {
implicitHeight: PlasmaCore.Units.gridUnit * 20
Layout.margins: PlasmaCore.Units.smallSpacing
Layout.fillWidth: true
Layout.fillHeight: true
ScrollBar.horizontal.policy: ScrollBar.AlwaysOff
ListView {
id: announcementsListView
Layout.fillWidth: true
spacing: PlasmaCore.Units.smallSpacing
delegate: ActivityView {}
model: announcementsModel
}
}
PlasmaExtras.Heading {
level: 2
text: "Assignments"
}
ListModel {
id: assignmentsModel
/* Uncomment when debugging layout
ListElement {
type: "assignment"
course: "EE201"
title: "Circuit diagram"
dueAt: "2022-04-10T15:59:59Z"
submitted: true
url: "https://xkcd.com/730"
important: true
finished: true
activityId: 1
}
*/
}
ScrollView {
implicitHeight: PlasmaCore.Units.gridUnit * 20
Layout.margins: PlasmaCore.Units.smallSpacing
Layout.fillWidth: true
Layout.fillHeight: true
ScrollBar.horizontal.policy: ScrollBar.AlwaysOff
ListView {
id: assignmentsListView
Layout.fillWidth: true
spacing: PlasmaCore.Units.gridUnit
delegate: ActivityView {}
model: assignmentsModel
}
}
PlasmaComponents3.Button {
icon.name: "view-refresh"
text: i18n("Refresh")
onClicked: syncCanvas()
}
}
}
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