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jbilcke-hf HF staff
adding some counter measures to reduce the pressure on the server
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"use server"
import { RenderRequest, RenderedScene } from "@/types"
// note: there is no / at the end in the variable
// so we have to add it ourselves if needed
const apiUrl = process.env.RENDERING_ENGINE_API
const cacheDurationInSec = 30 * 60 // 30 minutes
export async function newRender({
prompt,
// negativePrompt,
width,
height
}: {
prompt: string
// negativePrompt: string[]
width: number
height: number
}) {
console.log(`newRender(${prompt})`)
if (!prompt) {
console.error(`cannot call the rendering API without a prompt, aborting..`)
throw new Error(`cannot call the rendering API without a prompt, aborting..`)
}
let defaulResult: RenderedScene = {
renderId: "",
status: "error",
assetUrl: "",
alt: prompt || "",
maskUrl: "",
error: "failed to fetch the data",
segments: []
}
try {
console.log(`calling POST ${apiUrl}/render with prompt: ${prompt}`)
const res = await fetch(`${apiUrl}/render`, {
method: "POST",
headers: {
Accept: "application/json",
"Content-Type": "application/json",
// Authorization: `Bearer ${process.env.VC_SECRET_ACCESS_TOKEN}`,
},
body: JSON.stringify({
prompt,
// negativePrompt, unused for now
nbFrames: 1,
nbSteps: 25, // 20 = fast, 30 = better, 50 = best
actionnables: [], // ["text block"],
segmentation: "disabled", // "firstframe", // one day we will remove this param, to make it automatic
width,
height,
// no need to upscale right now as we generate tiny panels
// maybe later we can provide an "export" button to PDF
// unfortunately there are too many requests for upscaling,
// the server is always down
upscalingFactor: 1, // 2,
// analyzing doesn't work yet, it seems..
analyze: false, // analyze: true,
cache: "ignore"
} as Partial<RenderRequest>),
cache: 'no-store',
// we can also use this (see https://vercel.com/blog/vercel-cache-api-nextjs-cache)
// next: { revalidate: 1 }
})
// console.log("res:", res)
// The return value is *not* serialized
// You can return Date, Map, Set, etc.
// Recommendation: handle errors
if (res.status !== 200) {
// This will activate the closest `error.js` Error Boundary
throw new Error('Failed to fetch data')
}
const response = (await res.json()) as RenderedScene
return response
} catch (err) {
console.error(err)
return defaulResult
}
}
export async function getRender(renderId: string) {
if (!renderId) {
console.error(`cannot call the rendering API without a renderId, aborting..`)
throw new Error(`cannot call the rendering API without a renderId, aborting..`)
}
let defaulResult: RenderedScene = {
renderId: "",
status: "error",
assetUrl: "",
alt: "",
maskUrl: "",
error: "failed to fetch the data",
segments: []
}
try {
// console.log(`calling GET ${apiUrl}/render with renderId: ${renderId}`)
const res = await fetch(`${apiUrl}/render/${renderId}`, {
method: "GET",
headers: {
Accept: "application/json",
"Content-Type": "application/json",
// Authorization: `Bearer ${process.env.VC_SECRET_ACCESS_TOKEN}`,
},
cache: 'no-store',
// we can also use this (see https://vercel.com/blog/vercel-cache-api-nextjs-cache)
// next: { revalidate: 1 }
})
// console.log("res:", res)
// The return value is *not* serialized
// You can return Date, Map, Set, etc.
// Recommendation: handle errors
if (res.status !== 200) {
// This will activate the closest `error.js` Error Boundary
throw new Error('Failed to fetch data')
}
const response = (await res.json()) as RenderedScene
// console.log("response:", response)
return response
} catch (err) {
console.error(err)
// Gorgon.clear(cacheKey)
return defaulResult
}
// }, cacheDurationInSec * 1000)
}