1 files changed, 47 insertions, 0 deletions

diff --git a/src/groups/groups.rs b/src/groups/groups.rs
new file mode 100644
index 0000000..3b837a7
--- /dev/null
+++ b/src/groups/groups.rs
@@ -0,0 +1,47 @@
+use std::fs;
+
+use nostr::EventId;
+
+use crate::{utils::load_file};
+
+use super::group::Group;
+
+pub struct Groups {
+    groups:Vec<Group>
+}
+impl Groups {
+    pub fn new() -> Self {
+
+        let cur_dir = std::env::current_dir().unwrap();
+        
+        // check for potential problems
+        let ngit_path = cur_dir.clone().join(".ngit");
+        if !ngit_path.is_dir() {
+            panic!("ngit not initialised. Run 'ngit init' first...");
+        }
+
+        let mut groups = vec![];
+
+        for dir_entry in fs::read_dir(ngit_path.join("groups"))
+            .expect("groups folder to exist and read_dir to read it")
+        {
+            groups.push(
+                Group::new_from_json_event(
+                    load_file(
+                        dir_entry
+                            .expect("DirEntry in read_dir should exist").path()
+                    )
+                        .expect("group json to load from file")
+                ).expect("group json to produce Group")
+            );
+        }
+
+        Self {
+            groups,
+        }
+    }
+
+    pub fn by_event_id(&self, id:&EventId) -> Option<&Group> {
+        self.groups.iter().find(|g| g.id == *id)
+    }
+}
\ No newline at end of file