[WIP] Trigger search after tapping search once (#663)

This doesn't _feel_ good from a UX-perspective

Mastodon/Scene/Search/SearchDetail/SearchDetailViewController.swift

@@ -188,12 +188,13 @@ extension SearchDetailViewController {
             .removeDuplicates()
             .throttle(for: 0.5, scheduler: DispatchQueue.main, latest: true)
             .sink { [weak self] searchText in
-                guard let self = self else { return }
-                guard let searchResultViewController = self.currentViewController as? SearchResultViewController else {
+                guard let self = self,
+                      let searchResultViewController = self.currentViewController as? SearchResultViewController
+                      /* searchText.length >= 3 */ else {
                     return
                 }
-                self.logger.debug("\((#file as NSString).lastPathComponent, privacy: .public)[\(#line, privacy: .public)], \(#function, privacy: .public): trigger search \(searchText)")
-                searchResultViewController.viewModel.stateMachine.enter(SearchResultViewModel.State.Loading.self)
+
+              searchResultViewController.viewModel.stateMachine.enter(SearchResultViewModel.State.Loading.self)
             }
             .store(in: &disposeBag)
 
@@ -314,7 +315,6 @@ extension SearchDetailViewController: UISearchBarDelegate {
     }
 
     func searchBarCancelButtonClicked(_ searchBar: UISearchBar) {
-        logger.debug("\((#file as NSString).lastPathComponent, privacy: .public)[\(#line, privacy: .public)], \(#function, privacy: .public)")
 
         // dismiss or pop
         if isModal {
@@ -324,6 +324,14 @@ extension SearchDetailViewController: UISearchBarDelegate {
         }
     }
 
+    func searchBarSearchButtonClicked(_ searchBar: UISearchBar) {
+        guard let searchResultViewController = self.currentViewController as? SearchResultViewController else {
+            return
+        }
+
+        searchResultViewController.viewModel.forceSearch = true
+        searchResultViewController.viewModel.stateMachine.enter(SearchResultViewModel.State.Loading.self)
+    }
 }
 
 // MARK: - PageboyViewControllerDataSource

Mastodon/Scene/Search/SearchDetail/SearchResult/SearchResultViewModel+State.swift

@@ -80,11 +80,13 @@ extension SearchResultViewModel.State {
                 return
             }
 
-            guard searchText.length > 3 else {
-              stateMachine.enter(Fail.self)
+            guard (viewModel.forceSearch || searchText.length > 3) else {
+              stateMachine.enter(NoMore.self)
               return
             }
 
+            viewModel.forceSearch = false
+
             if searchText != previousSearchText {
                 previousSearchText = searchText
                 offset = nil
@@ -104,14 +106,8 @@ extension SearchResultViewModel.State {
             let query = Mastodon.API.V2.Search.Query(
                 q: searchText,
                 type: searchType,
-                accountID: nil,
-                maxID: nil,
-                minID: nil,
-                excludeUnreviewed: nil,
                 resolve: true,
-                limit: nil,
-                offset: _offset,
-                following: nil
+                offset: _offset
             )
 
             let id = UUID()

Mastodon/Scene/Search/SearchDetail/SearchResult/SearchResultViewModel.swift

@@ -23,6 +23,7 @@ final class SearchResultViewModel {
     let authContext: AuthContext
     let searchScope: SearchDetailViewModel.SearchScope
     let searchText = CurrentValueSubject<String, Never>("")
+    var forceSearch: Bool = false
     @Published var hashtags: [Mastodon.Entity.Tag] = []
     let userFetchedResultsController: UserFetchedResultsController
     let statusFetchedResultsController: StatusFetchedResultsController