Add function to insert a hashmap directly

Signed-off-by: trivernis <trivernis@protonmail.com>

src/bibliography/bibliography_dict.rs

@@ -1,4 +1,6 @@
 use crate::bibliography::bibliography_entry::{BibliographyEntry, BibliographyEntryReference};
+use crate::bibliography::keys::K_KEY;
+use crate::bibliography::FromHashMap;
 use std::collections::HashMap;
 use std::sync::{Arc, Mutex};
 
@@ -22,12 +24,18 @@ impl BibliographyDictionary {
             .insert(entry.key(), Arc::new(Mutex::new(entry)));
     }
 
+    /// Inserts a bibliography entry represented as a HashMap
+    pub fn insert_map(&mut self, map: &HashMap<String, String>) -> Option<()> {
+        let key = map.get(K_KEY)?;
+        let entry = *BibliographyEntry::from_hash_map(map)?;
+        self.entries
+            .insert(key.clone(), Arc::new(Mutex::new(entry)));
+
+        Some(())
+    }
+
     /// Returns the reference to the bibliography entry with the given key
     pub fn get(&mut self, key: &str) -> Option<BibliographyEntryReference> {
-        if let Some(entry) = self.entries.get(&key.to_string()) {
-            Some(Arc::clone(entry))
-        } else {
-            None
-        }
+        self.entries.get(&key.to_string()).cloned()
     }
 }

src/bibliography/bibliography_entry.rs

@@ -41,9 +41,7 @@ impl FromHashMap for BibliographyEntry {
 
         let mut entry = Self::new(key.clone());
 
-        if let Some(note) = map.get(K_NOTE) {
-            entry.note = Some(note.clone())
-        }
+        entry.note = map.get(K_NOTE).cloned();
         entry.bib_type = *bib_type;
         entry.raw_fields = map.clone();