clean up posts/reels code

src/modules/processing/services/instagram.js

@@ -1,6 +1,20 @@
 import { createStream } from "../../stream/manage.js";
 import { genericUserAgent } from "../../config.js";
-import { getCookie, updateCookie } from '../cookie/manager.js';
+import { getCookie, updateCookie } from "../cookie/manager.js";
+
+const commonInstagramHeaders = {
+    'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9',
+    'User-Agent': genericUserAgent,
+    'X-Ig-App-Id': '936619743392459',
+    'X-Asbd-Id': '129477',
+    'x-requested-with': 'XMLHttpRequest',
+    'Sec-Fetch-Dest': 'empty',
+    'Sec-Fetch-Mode': 'cors',
+    'Sec-Fetch-Site': 'same-origin',
+    'upgrade-insecure-requests': '1',
+    'accept-encoding': 'gzip, deflate, br',
+    'accept-language': 'en-US,en;q=0.9,en;q=0.8',
+}
 
 export default async function(obj) {
     let data;
@@ -19,84 +33,56 @@ export default async function(obj) {
 
         data = await fetch(url, {
             headers: {
-                'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9',
+                ...commonInstagramHeaders,
-                'User-Agent': genericUserAgent,
-                'X-Ig-App-Id': '936619743392459',
-                'X-Asbd-Id': '129477',
                 'x-ig-www-claim': cookie?._wwwClaim || '0',
                 'x-csrftoken': cookie?.values()?.csrftoken,
-                'x-requested-with': 'XMLHttpRequest',
-                'Sec-Fetch-Dest': 'empty',
-                'Sec-Fetch-Mode': 'cors',
-                'Sec-Fetch-Site': 'same-origin',
-                'upgrade-insecure-requests': '1',
-                'accept-encoding': 'gzip, deflate, br',
-                'accept-language': 'en-US,en;q=0.9,en;q=0.8',
                 cookie
             }
         })
 
-        if (data.headers.get('X-Ig-Set-Www-Claim') && cookie) {
+        if (data.headers.get('X-Ig-Set-Www-Claim') && cookie)
             cookie._wwwClaim = data.headers.get('X-Ig-Set-Www-Claim');
-        }
 
         updateCookie(cookie, data.headers);
         data = (await data.json()).data;
-    } catch (e) {
+    } catch {}
-        data = false;
-    }
 
     if (!data) return { error: 'ErrorCouldntFetch' };
 
-    let single, multiple = [];
     const sidecar = data?.shortcode_media?.edge_sidecar_to_children;
     if (sidecar) {
-        sidecar.edges.forEach(e => {
+        const picker = sidecar.edges
-            if (e.node?.is_video) {
+                        .filter(e => e.node?.display_url)
-                multiple.push({
+                        .map(e => {
-                    type: "video",
+                            const type = e.node?.is_video ? "video" : "photo";
-                    // thumbnails have `Cross-Origin-Resource-Policy` set to `same-origin`, so we need to proxy them
+                            const url = type === "video" ? e.node?.video_url : e.node?.display_url;
-                    thumb: createStream({
-                        service: "instagram",
-                        type: "default",
-                        u: e.node?.display_url,
-                        filename: "image.jpg"
-                    }),
-                    url: e.node?.video_url
-                })
-            } else {
-                multiple.push({
-                    type: "photo",
-                    thumb: createStream({
-                        service: "instagram",
-                        type: "default",
-                        u: e.node?.display_url,
-                        filename: "image.jpg"
-                    }),
-                    url: e.node?.display_url
-                })
-            }
-        })
-    } else if (data?.shortcode_media?.video_url) {
-        single = data.shortcode_media.video_url
-    } else if (data?.shortcode_media?.display_url) {
-        return {
-            urls: data?.shortcode_media?.display_url,
-            isPhoto: true
-        }
-    } else {
-        return { error: 'ErrorEmptyDownload' }
-    }
 
-    if (single) {
                             return {
-            urls: single,
+                                type, url,
+                                /* thumbnails have `Cross-Origin-Resource-Policy`
+                                ** set to `same-origin`, so we need to proxy them */
+                                thumb: createStream({
+                                    service: "instagram",
+                                    type: "default",
+                                    u: e.node?.display_url,
+                                    filename: "image.jpg"
+                                })
+                            }
+                        });
+
+        if (picker.length) return { picker }
+    } else if (data?.shortcode_media?.video_url) {
+        return {
+            urls: data.shortcode_media.video_url,
             filename: `instagram_${obj.id}.mp4`,
             audioFilename: `instagram_${obj.id}_audio`
         }
-    } else if (multiple.length) {
+    } else if (data?.shortcode_media?.display_url) {
-        return { picker: multiple }
+        return {
-    } else {
+            urls: data.shortcode_media.display_url,
-        return { error: 'ErrorEmptyDownload' }
+            isPhoto: true
         }
+    }
+
+    return { error: 'ErrorEmptyDownload' }
 }