fix(registry-manager): add repositories pagination support (#2641)

* fix(registry-management): add support for repositories list with multiple requests

* refactor(registry-management): change regex usage to a reusable interceptor function

* refactor(registry-management): change interceptor to transformResponse function

app/extensions/registry-management/rest/catalog.js

@@ -1,11 +1,13 @@
 angular.module('portainer.extensions.registrymanagement')
-.factory('RegistryCatalog', ['$resource', 'API_ENDPOINT_REGISTRIES', function RegistryCatalogFactory($resource, API_ENDPOINT_REGISTRIES) {
+.factory('RegistryCatalog', ['$resource', 'API_ENDPOINT_REGISTRIES',
+function RegistryCatalogFactory($resource, API_ENDPOINT_REGISTRIES) {
   'use strict';
   return $resource(API_ENDPOINT_REGISTRIES + '/:id/v2/:action', {},
   {
     get: {
       method: 'GET',
-      params: { id: '@id', action: '_catalog' }
+      params: { id: '@id', action: '_catalog' },
+      transformResponse: linkGetResponse
     },
     ping: {
       method: 'GET',

app/extensions/registry-management/rest/transform/linkGetResponse.js

@@ -0,0 +1,13 @@
+function linkGetResponse(data, headers) {
+  var response = angular.fromJson(data);
+  var link = headers('link');
+  if (link) {
+    var queryString = link.substring(link.indexOf('?') + 1).split('>;')[0];
+    var queries = queryString.split('&');
+    for (var i = 0; i < queries.length; i++) {
+      var kv = queries[i].split('=');
+      response[kv[0]] = kv[1];
+    }
+  }
+  return response;
+}

app/extensions/registry-management/services/registryAPIService.js

@@ -11,16 +11,33 @@ function RegistryV2ServiceFactory($q, RegistryCatalog, RegistryTags, RegistryMan
     return RegistryCatalog.ping({ id: id }).$promise;
   };
 
+  function getCatalog(id) {
+    var deferred = $q.defer();
+    var repositories = [];
+
+    _getCatalogPage({id: id}, deferred, repositories);
+
+    return deferred.promise;
+  }
+
+  function _getCatalogPage(params, deferred, repositories) {
+    RegistryCatalog.get(params).$promise.then(function(data) {
+      repositories = _.concat(repositories, data.repositories);
+      if (data.last && data.n) {
+        _getCatalogPage({id: params.id, n: data.n, last: data.last}, deferred, repositories);
+      } else {
+        deferred.resolve(repositories);
+      }
+    });
+  }
+
   service.repositories = function (id) {
     var deferred = $q.defer();
 
-    RegistryCatalog.get({
+    getCatalog(id).then(function success(data) {
-      id: id
-    }).$promise
-    .then(function success(data) {
       var promises = [];
-      for (var i = 0; i < data.repositories.length; i++) {
+      for (var i = 0; i < data.length; i++) {
-        var repository = data.repositories[i];
+        var repository = data[i];
         promises.push(RegistryTags.get({
           id: id,
           repository: repository