Add optional --about filter to explore and dumpall commands

1 files changed, 20 insertions, 3 deletions

diff --git a/src/mem_mgr.rs b/src/mem_mgr.rs
index 8b9d950..c6e442e 100644
--- a/src/mem_mgr.rs
+++ b/src/mem_mgr.rs
@@ -50,8 +50,9 @@ pub fn handle_read(args: EntryRead, constants: &Constants) -> Next {
 }
 
 #[chain]
-pub fn handle_dumpall(_p: EntryDumpAll, constants: &Constants) -> Next {
-    dumpall(constants).to_render()
+pub fn handle_dumpall(args: EntryDumpAll, constants: &Constants) -> Next {
+    let about = args.pick::<String>("--about").unpack();
+    dumpall(constants, about).to_render()
 }
 
 #[derive(Serialize, Groupped)]
@@ -214,7 +215,7 @@ fn forget(constants: &Constants, title: String) -> ResultForgotten {
     }
 }
 
-fn dumpall(constants: &Constants) -> ResultDumpAll {
+fn dumpall(constants: &Constants, about: String) -> ResultDumpAll {
     let store_root = &constants.store_root;
     let mut entries = Vec::new();
     if let Ok(dir_entries) = std::fs::read_dir(store_root) {
@@ -225,6 +226,22 @@ fn dumpall(constants: &Constants) -> ResultDumpAll {
                     if let Some(stem) = path.file_stem() {
                         let title = stem.to_string_lossy().to_string();
                         let content = std::fs::read_to_string(&path).unwrap_or_default();
+                        // If about is provided and not empty, do fuzzy matching on lowercase alphanumeric
+                        if !about.is_empty() {
+                            let filter: String = about
+                                .chars()
+                                .filter(|c| c.is_alphanumeric())
+                                .collect::<String>()
+                                .to_lowercase();
+                            let title_clean: String = title
+                                .chars()
+                                .filter(|c| c.is_alphanumeric())
+                                .collect::<String>()
+                                .to_lowercase();
+                            if !title_clean.contains(&filter) {
+                                continue;
+                            }
+                        }
                         entries.push(DumpEntry { title, content });
                     }
                 }