From 670655326ec305797b2c460b42e7ee53b057082e Mon Sep 17 00:00:00 2001
From: Frederick Yin <fkfd@fkfd.me>
Date: Tue, 5 Apr 2022 17:18:14 +0800
Subject: Add basic canvas API request and related config

---
 contents/config/config.qml    | 10 ++++++++++
 contents/config/main.xml      | 12 ++++++++++++
 contents/ui/configGeneral.qml | 23 +++++++++++++++++++++++
 contents/ui/main.qml          | 33 ++++++++++++++++++++++++++++++---
 4 files changed, 75 insertions(+), 3 deletions(-)
 create mode 100644 contents/config/config.qml
 create mode 100644 contents/config/main.xml
 create mode 100644 contents/ui/configGeneral.qml

diff --git a/contents/config/config.qml b/contents/config/config.qml
new file mode 100644
index 0000000..39eaa5c
--- /dev/null
+++ b/contents/config/config.qml
@@ -0,0 +1,10 @@
+import QtQuick 2.0
+import org.kde.plasma.configuration 2.0
+
+ConfigModel {
+    ConfigCategory {
+        name: i18n("General")
+        icon: "configure"
+        source: "configGeneral.qml"
+    }
+}
diff --git a/contents/config/main.xml b/contents/config/main.xml
new file mode 100644
index 0000000..7b86809
--- /dev/null
+++ b/contents/config/main.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<kcfg xmlns="http://www.kde.org/standards/kcfg/1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.kde.org/standards/kcfg/1.0 http://www.kde.org/standards/kcfg/1.0/kcfg.xsd">
+    <kcfgfile name=""/>
+    <group name="General">
+        <entry name="canvasUrl" type="String">
+            <default>https://</default>
+        </entry>
+        <entry name="oauth2Token" type="String">
+            <default></default>
+        </entry>
+    </group>
+</kcfg>
diff --git a/contents/ui/configGeneral.qml b/contents/ui/configGeneral.qml
new file mode 100644
index 0000000..c13b5ea
--- /dev/null
+++ b/contents/ui/configGeneral.qml
@@ -0,0 +1,23 @@
+import QtQuick 2.15
+import QtQuick.Controls 2.15
+import QtQuick.Layouts 1.15
+import org.kde.kirigami 2.5 as Kirigami
+
+Kirigami.FormLayout {
+    id: page
+    property alias cfg_canvasUrl: canvasUrl.text
+    property alias cfg_oauth2Token: oauth2Token.text
+
+    TextField {
+        id: canvasUrl
+        Kirigami.FormData.label: i18n("Canvas URL:")
+        placeholderText: i18n("https://your.canvas.url/")
+    }
+
+    TextField {
+        id: oauth2Token
+        Kirigami.FormData.label: i18n("OAuth2 Token:")
+        placeholderText: i18n("")
+    }
+}
+
diff --git a/contents/ui/main.qml b/contents/ui/main.qml
index c78ba5e..33c12b6 100644
--- a/contents/ui/main.qml
+++ b/contents/ui/main.qml
@@ -2,6 +2,7 @@ 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
@@ -11,11 +12,31 @@ Item {
     width: PlasmaCore.Units.gridUnit * 20
     height: PlasmaCore.Units.gridUnit * 40
 
+    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 ${oauth2Token}`
+
     function syncCanvas() {
-        // TODO: networking
-        for (let i = 0; i < 8; i++) {
-            announcementsModel.append({course: `VZ${i}01`, title: "Something"})
+        let xhr = new XMLHttpRequest()
+        xhr.open("GET", `${apiEndpoint}/courses`)
+        xhr.setRequestHeader("Authorization", authHeader)
+        xhr.onload = function () {
+            if (xhr.status == 200) {
+                try {
+                    let courses = JSON.parse(xhr.responseText)
+                    for (let c of courses) {
+                        announcementsModel.append({course: c.name, title: ""})
+                    }
+                } catch (e) {
+                    if (e instanceof SyntaxError) { console.error("Cannot parse JSON:") }
+                    else { throw e }
+                }
+            } else {
+                console.error("XHR failed")
+            }
         }
+        xhr.send()
     }
 
     Timer {
@@ -25,9 +46,15 @@ Item {
         onTriggered: syncCanvas();
     }
 
+    Plasmoid.preferredRepresentation: Plasmoid.fullRepresentation
+
+    Plasmoid.fullRepresentation: main
+
     ColumnLayout {
         id: main
         anchors.fill: parent
+        width: PlasmaCore.Units.gridUnit * 20
+        height: PlasmaCore.Units.gridUnit * 40
 
         PlasmaExtras.Heading {
             level: 1
-- 
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