implement to_string method, prevent memory index overwrite on validation step

src/app/browser/window/tab/item/identity/gemini.rs

@@ -119,18 +119,24 @@ impl Gemini {
                     Value::ProfileIdentityGeminiId(value) => Some(value),
                     Value::UseGuestSession => None,
                     Value::GenerateNewAuth => Some(
-                        profile
+                        match profile
                             .identity
                             .gemini
                             .make(None, &widget.form.name.value().unwrap())
-                            .unwrap(),
+                        {
+                            Ok(profile_identity_gemini_id) => profile_identity_gemini_id,
+                            Err(reason) => todo!("{}", reason.to_string()),
+                        },
                     ),
                     Value::ImportPem => Some(
-                        profile
+                        match profile
                             .identity
                             .gemini
                             .add(&widget.form.file.pem.take().unwrap())
-                            .unwrap(),
+                        {
+                            Ok(profile_identity_gemini_id) => profile_identity_gemini_id,
+                            Err(reason) => todo!("{}", reason.to_string()),
+                        },
                     ),
                 };
 

src/profile.rs

@@ -98,7 +98,7 @@ impl Profile {
         // Init identity component
         let identity = Rc::new(match Identity::new(connection, profile_id) {
             Ok(result) => result,
-            Err(reason) => todo!("{:?}", reason),
+            Err(reason) => todo!("{:?}", reason.to_string()),
         });
 
         // Result

src/profile/bookmark.rs

@@ -28,12 +28,12 @@ impl Bookmark {
         match database.records(None) {
             Ok(records) => {
                 for record in records {
-                    if memory.add(record.request, record.id).is_err() {
+                    if let Err(reason) = memory.add(record.request, record.id) {
-                        todo!()
+                        todo!("{}", reason.to_string())
                     }
                 }
             }
-            Err(reason) => todo!("{reason}"),
+            Err(reason) => todo!("{}", reason.to_string()),
         }
 
         // Return new `Self`

src/profile/bookmark/memory.rs

@@ -23,8 +23,17 @@ impl Memory {
     /// Add new record with `request` as key and `id` as value
     /// * validate record with same key does not exist yet
     pub fn add(&self, request: String, id: i64) -> Result<(), Error> {
-        match self.index.borrow_mut().insert(request, id) {
+        // Borrow shared index access
-            Some(key) => Err(Error::Overwrite(key)), // @TODO prevent?
+        let mut index = self.index.borrow_mut();
+
+        // Prevent existing key overwrite
+        if index.contains_key(&request) {
+            return Err(Error::Overwrite(request));
+        }
+
+        // Slot should be free, let check it twice
+        match index.insert(request, id) {
+            Some(_) => return Err(Error::Unexpected),
             None => Ok(()),
         }
     }
@@ -34,15 +43,15 @@ impl Memory {
     pub fn delete(&self, request: &str) -> Result<(), Error> {
         match self.index.borrow_mut().remove(request) {
             Some(_) => Ok(()),
-            None => Err(Error::NotFound),
+            None => Err(Error::Unexpected), // @TODO
         }
     }
 
     /// Get `id` by `request` from memory index
     pub fn get(&self, request: &str) -> Result<i64, Error> {
         match self.index.borrow().get(request) {
-            Some(&id) => Ok(id),
+            Some(&value) => Ok(value),
-            None => Err(Error::NotFound),
+            None => Err(Error::Unexpected), // @TODO
         }
     }
 }

src/profile/bookmark/memory/error.rs

@@ -1,5 +1,16 @@
 #[derive(Debug)]
 pub enum Error {
-    NotFound,
+    Overwrite(String),
-    Overwrite(i64),
+    Unexpected,
+}
+
+impl Error {
+    pub fn to_string(&self) -> String {
+        match self {
+            Self::Overwrite(key) => {
+                format!("Overwrite attempt for existing record `{key}`")
+            }
+            Self::Unexpected => format!("Unexpected error"),
+        }
+    }
 }

src/profile/identity.rs

@@ -55,7 +55,7 @@ impl Identity {
         if let Some(id) = self.gemini.auth.memory.match_priority(request) {
             match self.gemini.memory.get(id) {
                 Ok(pem) => return Some(pem),
-                Err(reason) => todo!("{:?}", reason),
+                Err(reason) => todo!("{:?}", reason.to_string()),
             }
         }
         None

src/profile/identity/error.rs

@@ -3,3 +3,16 @@ pub enum Error {
     Database(sqlite::Error),
     Gemini(super::gemini::Error),
 }
+
+impl Error {
+    pub fn to_string(&self) -> String {
+        match self {
+            Self::Database(reason) => {
+                format!("Database error: {}", reason.to_string())
+            }
+            Self::Gemini(reason) => {
+                format!("Could not init Gemini identity: {}", reason.to_string())
+            }
+        }
+    }
+}

src/profile/identity/gemini/error.rs

@@ -1,7 +1,22 @@
 #[derive(Debug)]
 pub enum Error {
     Auth(super::auth::Error),
-    Certificate(Box<dyn std::error::Error>), // @TODO
+    Certificate(Box<dyn std::error::Error>),
     Database(sqlite::Error),
     Memory(super::memory::Error),
 }
+
+impl Error {
+    pub fn to_string(&self) -> String {
+        match self {
+            Self::Auth(reason) => format!("Could not create auth: {}", reason.to_string()),
+            Self::Certificate(reason) => {
+                format!("Could not create certificate: {}", reason.to_string())
+            }
+            Self::Database(reason) => {
+                format!("Database error: {}", reason.to_string())
+            }
+            Self::Memory(reason) => format!("Memory error: {}", reason.to_string()),
+        }
+    }
+}

src/profile/identity/gemini/memory.rs

@@ -22,9 +22,18 @@ impl Memory {
 
     /// Add new record with `id` as key and `pem` as value
     /// * validate record with same key does not exist yet
-    pub fn add(&self, id: i64, pem: String) -> Result<(), Error> {
+    pub fn add(&self, profile_identity_gemini_id: i64, pem: String) -> Result<(), Error> {
-        match self.index.borrow_mut().insert(id, pem) {
+        // Borrow shared index access
-            Some(key) => Err(Error::Overwrite(key)), // @TODO prevent?
+        let mut index = self.index.borrow_mut();
+
+        // Prevent existing key overwrite
+        if index.contains_key(&profile_identity_gemini_id) {
+            return Err(Error::Overwrite(profile_identity_gemini_id));
+        }
+
+        // Slot should be free, let check it twice
+        match index.insert(profile_identity_gemini_id, pem) {
+            Some(_) => return Err(Error::Unexpected),
             None => Ok(()),
         }
     }

src/profile/identity/gemini/memory/error.rs

@@ -2,5 +2,21 @@
 pub enum Error {
     Clear,
     NotFound(i64),
-    Overwrite(String),
+    Overwrite(i64),
+    Unexpected,
+}
+
+impl Error {
+    pub fn to_string(&self) -> String {
+        match self {
+            Self::Clear => format!("Could not cleanup memory index"),
+            Self::NotFound(key) => {
+                format!("Record `{key}` not found in memory index")
+            }
+            Self::Overwrite(key) => {
+                format!("Overwrite attempt for existing record `{key}`")
+            }
+            Self::Unexpected => format!("Unexpected error"),
+        }
+    }
 }