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Update /api/thumbnail

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lifegpc
2023-08-27 09:37:37 +08:00
parent 289ea9586c
commit 0cbb48d019
7 changed files with 149 additions and 35 deletions
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46
routes/thumbnail/[id].ts
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@@ -2,11 +2,7 @@ import { Handlers } from "$fresh/server.ts";
import { exists } from "std/fs/exists.ts";
import { get_task_manager } from "../../server.ts";
import { parse_int } from "../../server/parse_form.ts";
import {
generate_filename,
ThumbnailConfig,
ThumbnailGenMethod,
} from "../../thumbnail/base.ts";
import { generate_filename, ThumbnailConfig } from "../../thumbnail/base.ts";
import { sure_dir } from "../../utils.ts";
import {
get_file_response,
@@ -50,34 +46,24 @@ export const handler: Handlers = {
if (verify !== tverify) {
return new Response("verify is invalid.", { status: 400 });
}
const max = await parse_int(u.searchParams.get("max"), 1200);
const width = await parse_int(u.searchParams.get("width"), null);
const height = await parse_int(u.searchParams.get("height"), null);
const quality = await parse_int(u.searchParams.get("quality"), 1);
const cfg: ThumbnailConfig = {
width: 0,
height: 0,
quality,
method: ThumbnailGenMethod.Unknown,
};
if (width !== null && height !== null) {
cfg.width = width;
cfg.height = height;
} else if (width !== null) {
cfg.width = width;
cfg.height = Math.floor(f.height / f.width * width);
} else if (height !== null) {
cfg.height = height;
cfg.width = Math.floor(f.width / f.height * height);
} else {
if (f.width > f.height) {
cfg.width = max;
cfg.height = Math.floor(f.height / f.width * max);
} else {
cfg.height = max;
cfg.width = Math.floor(f.width / f.height * max);
}
const quality = await parse_int(u.searchParams.get("quality"), null);
const method = await parse_int(u.searchParams.get("method"), null);
const align = await parse_int(u.searchParams.get("align"), null);
if (
width === null || height === null || quality === null ||
method === null || align === null
) {
return new Response("params is missing", { status: 400 });
}
const cfg: ThumbnailConfig = {
width,
height,
quality,
method,
align,
};
const output = generate_filename(b, f, cfg);
if (!(await exists(output))) {
return new Response("file not exists.", { status: 500 });