Fix too long URLs on getItems with many ids

src/utils/jellyfin-apiclient/getItemsHelper.ts

@@ -0,0 +1,63 @@
+import type {BaseItemDtoQueryResult} from '@jellyfin/sdk/lib/generated-client';
+import {ApiClient} from 'jellyfin-apiclient';
+
+const idsPerItemRequestLimit = 25;
+
+function getItemsSplit(apiClient: ApiClient, userId: string, options: any) {
+    const optionsTemplate = {...options};
+    const ids = options.Ids.split(',');
+    const results = [];
+
+    let nextI;
+    for (let i = 0; i < ids.length && i < options.Limit; i = nextI) {
+        nextI = i + idsPerItemRequestLimit;
+        if (nextI > options.Limit) {
+            nextI = options.Limit;
+        }
+        const idsSlice = ids.slice(i, nextI);
+        console.log(idsSlice);
+        optionsTemplate.Ids = idsSlice.join(',');
+        results.push(apiClient.getItems(userId, optionsTemplate));
+    }
+
+    return results;
+}
+
+function mergeResults(results: BaseItemDtoQueryResult[]) {
+    const merged: BaseItemDtoQueryResult = {};
+    merged.Items = [];
+    merged.TotalRecordCount = 0;
+    merged.StartIndex = 0;
+
+    for (const result of results) {
+        if (result.Items == null) {
+            console.log(`Retrieved Items array is invalid: ${result.Items}`);
+            continue;
+        }
+        if (result.TotalRecordCount == null) {
+            console.log(`Retrieved TotalRecordCount is invalid: ${
+                result.TotalRecordCount}`);
+            continue;
+        }
+        if (result.StartIndex == null) {
+            console.log(
+                `Retrieved StartIndex is invalid: ${result.StartIndex}`);
+            continue;
+        }
+        merged.Items = merged.Items.concat(result.Items);
+        merged.TotalRecordCount += result.TotalRecordCount;
+        merged.StartIndex = Math.min(merged.StartIndex, result.StartIndex);
+    }
+    return merged;
+}
+
+export function getItems(apiClient: ApiClient, userId: string, options?: any):
+    Promise<BaseItemDtoQueryResult> {
+    if (options.Ids === undefined ||
+        options.Ids.split(',').ength <= idsPerItemRequestLimit) {
+        return apiClient.getItems(apiClient.getCurrentUserId(), options);
+    }
+    const results = getItemsSplit(apiClient, userId, options);
+
+    return Promise.all(results).then(mergeResults);
+}