From 1295a119322f3c3c1a5655fa22312b0dacc34bf0 Mon Sep 17 00:00:00 2001
From: Sasza Stanczew <git@stanczew.com>
Date: Fri, 26 Apr 2024 11:05:54 +0200
Subject: [PATCH] AdvC++ - zadanie searcher

---
 .../Presentation/exercises/searcher/searcher.cpp     | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/AdvancedCppV2/Presentation/exercises/searcher/searcher.cpp b/AdvancedCppV2/Presentation/exercises/searcher/searcher.cpp
index 9fe212c..67373c6 100644
--- a/AdvancedCppV2/Presentation/exercises/searcher/searcher.cpp
+++ b/AdvancedCppV2/Presentation/exercises/searcher/searcher.cpp
@@ -14,7 +14,15 @@ namespace rn = std::ranges;
 std::vector<fs::path> searchFiles(std::string_view keyWord, const fs::path& dirName) {
     std::vector<fs::path> paths;
 
-    // Write implementation here
+    auto reg_file = [](fs::directory_entry e){return fs::is_regular_file(e);};
+
+    for (const fs::directory_entry& entry : fs::directory_iterator(dirName) | std::views::filter(reg_file)) {
+        std::ifstream file(entry.path());
+        const auto res = std::find_if(std::istream_iterator<std::string>(file), std::istream_iterator<std::string>{},
+                       [keyWord](const auto& str){ return str == keyWord; });
+        if(res != std::istream_iterator<std::string>{})
+            paths.push_back(entry.path());
+    }
 
     return paths;
 }
@@ -23,4 +31,4 @@ int main() {
     std::cout << "Files which contains word Ala:\n";
     const auto& res = searchFiles("Ala", fs::current_path().string() + "/files");
     rn::copy(res, std::ostream_iterator<fs::path>(std::cout, "\n"));
-}
\ No newline at end of file
+}