Implemented

EmbeddedSocial/Sources/Modules/Search/Presenter/SearchPresenter.swift

@@ -74,6 +74,14 @@ extension SearchPresenter: SearchPeopleModuleOutput, SearchTopicsModuleOutput {
     func didSelectHashtag(_ hashtag: Hashtag) {
         view.search(hashtag: hashtag)
     }
+    
+    func didStartLoadingSearchTopicsQuery() {
+        view.setTopicsLayoutFlipEnabled(false)
+    }
+    
+    func didLoadSearchTopicsQuery() {
+        view.setTopicsLayoutFlipEnabled(true)
+    }
 }
 
 extension SearchPresenter: SearchModuleInput {

EmbeddedSocial/Sources/Modules/Search/View/SearchViewController.swift

@@ -138,6 +138,10 @@ extension SearchViewController: SearchViewInput {
     func search(hashtag: Hashtag) {
         searchSelectedText(hashtag)
     }
+    
+    func setTopicsLayoutFlipEnabled(_ isEnabled: Bool) {
+        feedLayoutButton.isEnabled = isEnabled
+    }
 }
 
 extension SearchViewController: UISearchBarDelegate {

EmbeddedSocial/Sources/Modules/Search/View/SearchViewInput.swift

@@ -16,4 +16,6 @@ protocol SearchViewInput: class {
     func setLayoutAsset(_ asset: Asset)
     
     func search(hashtag: Hashtag)
+    
+    func setTopicsLayoutFlipEnabled(_ isEnabled: Bool)
 }

EmbeddedSocial/Sources/Modules/SearchTopics/Presenter/SearchTopicsModuleOutput.swift

@@ -9,4 +9,8 @@ protocol SearchTopicsModuleOutput: class {
     func didFailToLoadSearchQuery(_ error: Error)
     
     func didSelectHashtag(_ hashtag: Hashtag)
+    
+    func didStartLoadingSearchTopicsQuery()
+    
+    func didLoadSearchTopicsQuery()
 }

EmbeddedSocial/Sources/Modules/SearchTopics/Presenter/SearchTopicsPresenter.swift

@@ -63,8 +63,13 @@ extension SearchTopicsPresenter: FeedModuleOutput {
         return true
     }
     
-    func didUpdateFeed() {
+    func didStartRefreshingData() {
+        moduleOutput?.didStartLoadingSearchTopicsQuery()
+    }
+    
+    func didFinishRefreshingData(_ error: Error?) {
         view.setIsEmpty(feedModule.isEmpty)
+        moduleOutput?.didLoadSearchTopicsQuery()
     }
 }
 

EmbeddedSocialTests/Modules/Search/Mocks/MockSearchView.swift

@@ -47,14 +47,24 @@ class MockSearchView: SearchViewInput {
         setLayoutAssetReceivedAsset = asset
     }
     
-    // MARK: - search
+    //MARK: - search
     
     var searchHashtagCalled = false
-    var searchHashtagInputHashtag: Hashtag?
-
+    var searchHashtagReceivedHashtag: Hashtag?
+    
     func search(hashtag: Hashtag) {
         searchHashtagCalled = true
-        searchHashtagInputHashtag = hashtag
+        searchHashtagReceivedHashtag = hashtag
+    }
+    
+    //MARK: - setTopicsLayoutFlipEnabled
+    
+    var setTopicsLayoutFlipEnabledCalled = false
+    var setTopicsLayoutFlipEnabledReceivedIsEnabled: Bool?
+    
+    func setTopicsLayoutFlipEnabled(_ isEnabled: Bool) {
+        setTopicsLayoutFlipEnabledCalled = true
+        setTopicsLayoutFlipEnabledReceivedIsEnabled = isEnabled
     }
     
 }

EmbeddedSocialTests/Modules/Search/SearchPresenterTests.swift

@@ -153,7 +153,7 @@ class SearchPresenterTests: XCTestCase {
         let hashtag = UUID().uuidString
         sut.didSelectHashtag(hashtag)
         XCTAssertTrue(view.searchHashtagCalled)
-        XCTAssertEqual(view.searchHashtagInputHashtag, hashtag)
+        XCTAssertEqual(view.searchHashtagReceivedHashtag, hashtag)
     }
     
     private func makePeopleTab() -> SearchTabInfo {
@@ -180,7 +180,7 @@ class SearchPresenterTests: XCTestCase {
         
         XCTAssertEqual(view.setupInitialStateReceivedTab, topicsTab)
         XCTAssertTrue(view.searchHashtagCalled)
-        XCTAssertEqual(view.searchHashtagInputHashtag, "1")
+        XCTAssertEqual(view.searchHashtagReceivedHashtag, "1")
     }
     
     func testSearchHashtagAfterViewIsReadyAndPeopleTabSelected() {
@@ -200,6 +200,18 @@ class SearchPresenterTests: XCTestCase {
         XCTAssertEqual(view.switchTabsToFromReceivedArguments?.tab, topicsTab)
         
         XCTAssertTrue(view.searchHashtagCalled)
-        XCTAssertEqual(view.searchHashtagInputHashtag, "1")
+        XCTAssertEqual(view.searchHashtagReceivedHashtag, "1")
+    }
+    
+    func testStartLoadingTopicsQuery() {
+        sut.didStartLoadingSearchTopicsQuery()
+        XCTAssertTrue(view.setTopicsLayoutFlipEnabledCalled)
+        XCTAssertEqual(view.setTopicsLayoutFlipEnabledReceivedIsEnabled, false)
+    }
+    
+    func testFinishLoadingTopicsQuery() {
+        sut.didLoadSearchTopicsQuery()
+        XCTAssertTrue(view.setTopicsLayoutFlipEnabledCalled)
+        XCTAssertEqual(view.setTopicsLayoutFlipEnabledReceivedIsEnabled, true)
     }
 }

EmbeddedSocialTests/Modules/SearchTopics/Mocks/MockSearchTopicsModuleOutput.swift

@@ -26,4 +26,20 @@ class MockSearchTopicsModuleOutput: SearchTopicsModuleOutput {
         didSelectHashtagCalled = true
         didSelectHashtagReceivedHashtag = hashtag
     }
+    
+    //MARK: - didStartLoadingSearchTopicsQuery
+    
+    var didStartLoadingSearchTopicsQueryCalled = false
+    
+    func didStartLoadingSearchTopicsQuery() {
+        didStartLoadingSearchTopicsQueryCalled = true
+    }
+    
+    //MARK: - didLoadSearchTopicsQuery
+    
+    var didLoadSearchTopicsQueryCalled = false
+    
+    func didLoadSearchTopicsQuery() {
+        didLoadSearchTopicsQueryCalled = true
+    }
 }

EmbeddedSocialTests/Modules/SearchTopics/SearchTopicsPresenterTests.swift

@@ -66,7 +66,7 @@ class SearchTopicsPresenterTests: XCTestCase {
         XCTAssertEqual(view.setupInitialStateWithReceivedFeedViewController, feedViewController)
     }
     
-    func testThatItSetsViewIsEmptyWhenFeedIsUpdated() {
+    func testThatItSetsViewIsEmptyWhenFeedFinishesRefreshing() {
         testThatItSetsViewIsEmptyWhenFeedIsUpdated(feedIsEmpty: true, isViewExpectedToBeEmpty: true)
         
         testThatItSetsViewIsEmptyWhenFeedIsUpdated(feedIsEmpty: false, isViewExpectedToBeEmpty: false)
@@ -77,7 +77,7 @@ class SearchTopicsPresenterTests: XCTestCase {
         feedModule.isEmpty = feedIsEmpty
         
         // when
-        sut.didUpdateFeed()
+        sut.didFinishRefreshingData(APIError.unknown)
         
         // then
         XCTAssertTrue(view.setIsEmptyCalled)