handle memory clear errors

src/profile/identity/gemini.rs

@@ -87,8 +87,10 @@ impl Gemini {
 
     /// Create new `Memory` index from `Database` for `Self`
     pub fn index(&self) -> Result<(), Error> {
-        // Cleanup previous records
-        self.memory.clear();
+        // Clear previous records
+        if let Err(reason) = self.memory.clear() {
+            return Err(Error::MemoryClear(reason));
+        }
 
         // Build new index
         match self.database.records() {
@@ -101,7 +103,8 @@ impl Gemini {
             }
             Err(reason) => return Err(Error::DatabaseIndex(reason)),
         };
-        Ok(()) // @TODO
+
+        Ok(())
     }
 }
 

src/profile/identity/gemini/auth.rs

@@ -84,7 +84,9 @@ impl Auth {
     /// Create new `Memory` index from `Database` for `Self`
     pub fn index(&self) -> Result<(), Error> {
         // Clear previous records
-        self.memory.clear();
+        if let Err(reason) = self.memory.clear() {
+            return Err(Error::MemoryClear(reason));
+        }
 
         // Build new index
         match self.database.records(None) {
@@ -100,6 +102,7 @@ impl Auth {
             }
             Err(reason) => return Err(Error::DatabaseIndex(reason)),
         }
+
         Ok(())
     }
 }

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

@@ -4,5 +4,6 @@ pub enum Error {
     DatabaseRecordCreate(i64, String, sqlite::Error),
     DatabaseRecordDelete(i64, sqlite::Error),
     DatabaseRecordsRead(String, sqlite::Error),
+    MemoryClear(super::memory::Error),
     MemoryIndex(super::memory::Error),
 }

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

@@ -1,4 +1,4 @@
-mod error;
+pub mod error;
 pub use error::Error;
 
 use std::{cell::RefCell, collections::HashMap};
@@ -34,8 +34,14 @@ impl Memory {
     }
 
     /// Cleanup index
-    pub fn clear(&self) {
-        self.index.borrow_mut().clear()
+    pub fn clear(&self) -> Result<(), Error> {
+        let mut index = self.index.borrow_mut();
+        index.clear();
+        if index.is_empty() {
+            Ok(())
+        } else {
+            Err(Error::Clear)
+        }
     }
 
     /// Get `profile_identity_gemini_id` vector match given `request`

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

@@ -1,4 +1,5 @@
 #[derive(Debug)]
 pub enum Error {
+    Clear,
     Overwrite(i64),
 }

src/profile/identity/gemini/error.rs

@@ -3,6 +3,7 @@ pub enum Error {
     AuthInit(super::auth::Error),
     DatabaseIndex(sqlite::Error),
     DatabaseRecordCreate(sqlite::Error),
+    MemoryClear(super::memory::Error),
     MemoryIndex(i64),
     Certificate(Box<dyn std::error::Error>),
 }

src/profile/identity/gemini/memory.rs

@@ -1,5 +1,5 @@
-mod error;
-use error::Error;
+pub mod error;
+pub use error::Error;
 
 use std::{cell::RefCell, collections::HashMap};
 
@@ -38,7 +38,13 @@ impl Memory {
     }
 
     /// Cleanup index
-    pub fn clear(&self) {
-        self.index.borrow_mut().clear()
+    pub fn clear(&self) -> Result<(), Error> {
+        let mut index = self.index.borrow_mut();
+        index.clear();
+        if index.is_empty() {
+            Ok(())
+        } else {
+            Err(Error::Clear)
+        }
     }
 }

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

@@ -1,5 +1,6 @@
 #[derive(Debug)]
 pub enum Error {
+    Clear,
     NotFound(i64),
     Overwrite(String),
 }