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import AnimeNotifier from "../AnimeNotifier"
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import { bytesHumanReadable, uploadWithProgress } from "../Utils"
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// Select file
export function selectFile(arn: AnimeNotifier, button: HTMLButtonElement) {
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let fileType = button.dataset.type
let endpoint = button.dataset.endpoint
if(endpoint === "/api/upload/user/cover" && arn.user && arn.user.dataset.pro !== "true") {
alert("Please buy a PRO account to use this feature.")
return
}
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// Click on virtual file input element
let input = document.createElement("input")
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input.setAttribute("type", "file")
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input.value = ""
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input.onchange = async () => {
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if(!fileType || !endpoint) {
console.error("Missing data-type or data-endpoint:", button)
return
}
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if(!input.files || input.files.length === 0) {
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return
}
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let file = input.files[0]
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// Check mime type for images
if(fileType === "image" && !file.type.startsWith("image/")) {
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arn.statusMessage.showError(file.name + " is not an image file!")
return
}
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// Check mime type for videos
if(fileType === "video" && !file.type.startsWith("video/webm")) {
arn.statusMessage.showError(file.name + " is not a WebM video file!")
return
}
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// Preview image
if(fileType === "image") {
let previews = document.getElementsByClassName(button.id + "-preview")
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let dataURL = await readImageAsDataURL(file)
let img = await loadImage(dataURL)
switch(endpoint) {
case "/api/upload/user/image":
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if(img.naturalWidth <= 280 || img.naturalHeight < 280) {
arn.statusMessage.showError(`Your image has a resolution of ${img.naturalWidth} x ${img.naturalHeight} pixels which is too small. Recommended: 560 x 560. Minimum: 280 x 280.`, 8000)
return
}
break
case "/api/upload/user/cover":
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if(img.naturalWidth <= 960 || img.naturalHeight < 225) {
arn.statusMessage.showError(`Your image has a resolution of ${img.naturalWidth} x ${img.naturalHeight} pixels which is too small. Recommended: 1920 x 450. Minimum: 960 x 225.`, 8000)
return
}
break
}
previewImage(dataURL, endpoint, previews)
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}
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uploadFile(file, fileType, endpoint, arn)
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}
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input.click()
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}
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// Upload file
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function uploadFile(file: File, fileType: string, endpoint: string, arn: AnimeNotifier) {
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let reader = new FileReader()
reader.onloadend = async () => {
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let result = reader.result as ArrayBuffer
let fileSize = result.byteLength
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if(fileSize === 0) {
arn.statusMessage.showError("File is empty")
return
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}
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arn.statusMessage.showInfo(`Preparing to upload ${fileType} (${bytesHumanReadable(fileSize)})`, -1)
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try {
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let responseText = await uploadWithProgress(endpoint, {
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method: "POST",
credentials: "include",
headers: {
"Content-Type": "application/octet-stream"
},
body: reader.result
}, e => {
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let progress = e.loaded / (e.lengthComputable ? e.total : fileSize) * 100
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arn.statusMessage.showInfo(`Uploading ${fileType}...${progress.toFixed(1)}%`, -1)
})
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arn.statusMessage.showInfo(`Successfully uploaded your new ${fileType}.`)
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if(endpoint === "/api/upload/user/image") {
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// We received the new avatar URL
updateSideBarAvatar(responseText)
}
} catch(err) {
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arn.statusMessage.showError(`Failed uploading your new ${fileType}.`)
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console.error(err)
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}
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}
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arn.statusMessage.showInfo(`Reading ${fileType} from disk...`, -1)
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reader.readAsArrayBuffer(file)
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}
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// Read image as data URL
function readImageAsDataURL(file: File): Promise<string> {
return new Promise((resolve, reject) => {
let reader = new FileReader()
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reader.onloadend = () => {
let dataURL = reader.result as string
resolve(dataURL)
}
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reader.onerror = event => {
reader.abort()
reject(event)
}
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reader.readAsDataURL(file)
})
}
// Load image and resolve when loading has finished
function loadImage(url: string): Promise<HTMLImageElement> {
return new Promise((resolve, reject) => {
let img = new Image()
img.src = url
img.onload = () => {
resolve(img)
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}
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img.onerror = error => {
reject(error)
}
})
}
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// Preview image
function previewImage(dataURL: string, endpoint: string, previews: HTMLCollectionOf<Element>) {
if(endpoint === "/api/upload/user/image") {
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let svgPreview = document.getElementById("avatar-input-preview-svg") as HTMLImageElement
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if(svgPreview) {
svgPreview.classList.add("hidden")
}
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}
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for(let preview of previews) {
let img = preview as HTMLImageElement
img.classList.remove("hidden")
// Make not found images visible again
if(img.classList.contains("lazy")) {
img.classList.remove("element-not-found")
img.classList.add("element-found")
}
img.src = dataURL
}
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}
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// Update sidebar avatar
function updateSideBarAvatar(url: string) {
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let sidebar = document.getElementById("sidebar") as HTMLElement
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let userImage = sidebar.getElementsByClassName("user-image")[0] as HTMLImageElement
let lazyLoad = userImage["became visible"]
if(lazyLoad) {
userImage.dataset.src = url
lazyLoad()
} else {
location.reload()
}
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}