Implement separate listAllEntries method for GitLab

src/backends/backend.js

@@ -227,6 +227,12 @@ class Backend {
   // returns all the collected entries. Used to retrieve all entries
   // for local searches and queries.
   async listAllEntries(collection) {
+    if (collection.get("folder") && this.implementation.allEntriesByFolder) {
+      const extension = selectFolderEntryExtension(collection);
+      return this.implementation.allEntriesByFolder(collection, extension)
+      .then(entries => this.processEntries(entries, collection));
+    }
+
     const response = await this.listEntries(collection);
     const { entries } = response;
     let { cursor } = response;

src/backends/gitlab/API.js

@@ -148,6 +148,23 @@ export default class API {
     return { entries, cursor: this.reverseCursor(newCursor) };
   };
 
+  listAllEntries = async path => {
+    const entries = [];
+    let { cursor, entries: initialEntries } = await this.fetchCursorAndEntries({
+      url: `${ this.repoURL }/repository/tree`,
+      // Get the maximum number of entries per page
+      params: { path, ref: this.branch, per_page: 100 },
+    });
+    entries.push(...initialEntries);
+    while (cursor && cursor.actions.includes("next")) {
+      const link = cursor.data.links["next"];
+      const { cursor: newCursor, entries: newEntries } = await this.fetchCursorAndEntries(link);
+      entries.push(...newEntries);
+      cursor = newCursor;
+    }
+    return entries;
+  };
+
   toBase64 = str => Promise.resolve(Base64.encode(str));
   fromBase64 = str => Base64.decode(str);
   uploadAndCommit = async (item, { commitMessage, updateFile = false, branch = this.branch }) => {

src/backends/gitlab/implementation.js

@@ -68,6 +68,11 @@ export default class GitLab {
     );
   }
 
+  allEntriesByFolder(collection, extension) {
+    return this.api.listAllEntries(collection.get("folder"), extension)
+    .then(files => this.fetchFiles(files.filter(file => fileExtension(file.name) === extension)));
+  }
+
   entriesByFiles(collection) {
     const files = collection.get("files").map(collectionFile => ({
       path: collectionFile.get("file"),