Add --extid for crunchyroll

Allows downloading or viewing of old Crunchyroll ID's such as: SRZ.282651 VOL.26453 EPI.842919 FLM.268837

Fixes #351 #249

crunchy.ts

@@ -144,6 +144,16 @@ export default class Crunchy implements ServiceClass {
         }
       }
       return true;
+    } else if (argv.extid) {
+      await this.refreshToken();
+      const selected = await this.getObjectById(argv.extid, false, true);
+      for (const select of selected as Partial<CrunchyEpMeta>[]) {
+        if (!(await this.downloadEpisode(select as CrunchyEpMeta, {...argv, skipsubs: false }))) {
+          console.error(`Unable to download selected episode ${select.episodeNumber}`);
+          return false;
+        }
+      }
+      return true;
     }
     else{
       console.info('No option selected or invalid value entered. Try --help.');
@@ -852,13 +862,48 @@ export default class Crunchy implements ServiceClass {
     return true;
   }
 
-  public async getObjectById(e?: string, earlyReturn?: boolean): Promise<ObjectInfo|Partial<CrunchyEpMeta>[]|undefined> {
+  public async getObjectById(e?: string, earlyReturn?: boolean, external_id?: boolean): Promise<ObjectInfo|Partial<CrunchyEpMeta>[]|undefined> {
     if(!this.cmsToken.cms){
       console.error('Authentication required!');
       return;
     }
 
-    const doEpsFilter = parseSelect(e as string);
+    let convertedObjects;
+    if (external_id) {
+      const epFilter = parseSelect(e as string);
+      const objectIds = [];
+      for (const ob of epFilter.values) {
+        const extIdReqOpts = [
+          api.beta_cms,
+          this.cmsToken.cms.bucket,
+          '/channels/crunchyroll/objects',
+          '?',
+          new URLSearchParams({
+            'external_id': ob,
+            'Policy': this.cmsToken.cms.policy,
+            'Signature': this.cmsToken.cms.signature,
+            'Key-Pair-Id': this.cmsToken.cms.key_pair_id,
+          }),
+        ].join('');
+    
+        const extIdReq = await this.req.getData(extIdReqOpts);
+        if (!extIdReq.ok || !extIdReq.res) {
+          console.error('Objects Request FAILED!');
+          if (extIdReq.error && extIdReq.error.res && extIdReq.error.res.body) {
+            console.info('[INFO] Body:', extIdReq.error.res.body);
+          }
+          continue;
+        }
+    
+        const oldObjectInfo = JSON.parse(extIdReq.res.body) as Record<any, any>;
+        for (const object of oldObjectInfo.items) {
+          objectIds.push(object.id);
+        }
+      }
+      convertedObjects = objectIds.join(',');
+    }
+      
+    const doEpsFilter = parseSelect(convertedObjects ?? e as string);
       
     if(doEpsFilter.values.length < 1){
       console.info('\nObjects not selected!\n');

modules/module.app-args.ts

@@ -33,6 +33,7 @@ let argvC: {
   series: string | undefined; 
   s: string | undefined; 
   e: string | undefined; 
+  extid: string | undefined; 
   q: number; 
   x: number; 
   kstream: number; 

modules/module.args.ts

@@ -165,6 +165,17 @@ const args: TAppArg<boolean|number|string|unknown[]>[] = [
     usage: '${selection}',
     alias: 'episode'
   },
+  {
+    name: 'extid',
+    group: 'dl',
+    describe: 'Set the external id to lookup/download',
+    docDescribe: 'Set the external id to lookup/download.'
+      + '\nAllows you to download or view legacy Crunchyroll Ids ',
+    service: ['crunchy'],
+    type: 'string',
+    usage: '${selection}',
+    alias: 'externalid'
+  },
   {
     name: 'q',
     group: 'dl',

modules/module.parseSelect.ts

@@ -54,6 +54,9 @@ const parseSelect = (selectString: string, but = false) : {
       if (part.match(/[0-9A-Z]{9}/)) {
         select.push(part);
         return;
+      } else if (part.match(/[A-Z]{3}\.[0-9]*/)) {
+        select.push(part);
+        return;
       }
       const match = part.match(/[A-Za-z]+/);
       if (match && match.length > 0) {