clippy/cleanup

kordophone-db/src/chat_database.rs

@@ -24,7 +24,7 @@ impl ChatDatabase {
         db.run_pending_migrations(MIGRATIONS)
             .map_err(|e| anyhow::anyhow!("Error running migrations: {}", e))?;
 
-        return Ok(Self { db });
+        Ok(Self { db })
     }
 
     pub fn insert_conversation(&mut self, conversation: Conversation) -> Result<()> {

kordophone-db/src/models/db/conversation.rs

@@ -1,6 +1,9 @@
 use diesel::prelude::*;
 use chrono::NaiveDateTime;
-use crate::models::{Conversation, Participant};
+use crate::models::{
+    Conversation,
+    db::participant::InsertableRecord as InsertableParticipant,
+};
 
 #[derive(Queryable, Selectable, Insertable, AsChangeset, Clone, Identifiable)]
 #[diesel(table_name = crate::schema::conversations)]
@@ -26,14 +29,15 @@ impl From<Conversation> for Record {
 }
 
 // This implementation returns the insertable data types for the conversation and participants
-impl From<Conversation> for (Record, Vec<Participant>) {
+impl From<Conversation> for (Record, Vec<InsertableParticipant>) {
     fn from(conversation: Conversation) -> Self {
         (
             Record::from(conversation.clone()),
 
-            // Keep in mind, db::participant::Record is the selectable data type for the 
-            // participants table, whereas Participant is the insertable model type. 
             conversation.participants
+                .into_iter()
+                .map(InsertableParticipant::from)
+                .collect()
         )
     }
 }

kordophone-db/src/models/db/participant.rs

@@ -2,13 +2,27 @@ use diesel::prelude::*;
 use crate::models::Participant;
 use crate::schema::conversation_participants;
 
-#[derive(Queryable, Selectable, AsChangeset, Clone, PartialEq, Debug, Identifiable)]
+#[derive(Queryable, Selectable, AsChangeset, Identifiable)]
 #[diesel(table_name = crate::schema::participants)]
 pub struct Record {
     pub id: i32,
     pub display_name: String
 }
 
+#[derive(Insertable)]
+#[diesel(table_name = crate::schema::participants)]
+pub struct InsertableRecord {
+    pub display_name: String
+}
+
+impl From<Participant> for InsertableRecord {
+    fn from(participant: Participant) -> Self {
+        InsertableRecord {
+            display_name: participant.display_name
+        }
+    }
+}
+
 #[derive(Identifiable, Selectable, Queryable, Associations, Debug)]
 #[diesel(belongs_to(super::conversation::Record, foreign_key = conversation_id))]
 #[diesel(belongs_to(Record, foreign_key = participant_id))]

kordophone-db/src/models/mod.rs

@@ -2,6 +2,5 @@ pub mod conversation;
 pub mod participant;
 pub mod db;
 
-// Re-export the public types
 pub use conversation::Conversation;
 pub use participant::Participant;

kordophone-db/src/models/participant.rs

@@ -1,7 +1,4 @@
-use diesel::prelude::*; 
-
-#[derive(Debug, Clone, PartialEq, Insertable)]
-#[diesel(table_name = crate::schema::participants)]
+#[derive(Debug, Clone, PartialEq)]
 pub struct Participant {
     pub display_name: String,
 }