Refactor database error handling across repositories to use IntoDbResult for improved error management

- Updated PgNotificationRepository to utilize IntoDbResult for error handling in various methods.
- Refactored PgRemoteActorRepository to replace manual error mapping with IntoDbResult.
- Modified PgRemoteActorConnectionRepository to implement IntoDbResult for error handling.
- Adjusted PgTagRepository to use IntoDbResult for consistent error management.
- Introduced test_helpers module for seeding users and thoughts in tests.
- Enhanced PgThoughtRepository to leverage IntoDbResult for error handling.
- Updated PgTopFriendRepository to utilize IntoDbResult for error management.
- Refactored PgUserRepository to implement IntoDbResult for error handling.
- Added constants for pagination defaults in requests.
- Introduced MAX_TOP_FRIENDS constant for top friends validation.
- Refactored JWT expiration time to use a constant.
- Improved rate limiter configuration with constants for better readability.
- Added utility methods for FollowState and Visibility enums for string conversions.
- Introduced maximum length constants for Username, Email, and Content value objects.
- Cleaned up test modules by removing redundant code and utilizing a shared testing state.

crates/adapters/postgres/src/feed.rs

@@ -1,21 +1,12 @@
+use crate::db_error::IntoDbResult;
 use async_trait::async_trait;
 use chrono::{DateTime, Utc};
 
-fn visibility_from_str(s: &str) -> domain::models::thought::Visibility {
-    use domain::models::thought::Visibility;
-    match s {
-        "followers" => Visibility::Followers,
-        "unlisted" => Visibility::Unlisted,
-        "direct" => Visibility::Direct,
-        _ => Visibility::Public,
-    }
-}
-
 use domain::{
     errors::DomainError,
     models::{
         feed::{FeedEntry, PageParams, Paginated},
-        thought::Thought,
+        thought::{Thought, Visibility},
         user::User,
     },
     ports::FeedRepository,
@@ -127,7 +118,7 @@ fn row_to_entry(r: FeedRow) -> FeedEntry {
         in_reply_to_id: r.in_reply_to_id.map(ThoughtId::from_uuid),
         in_reply_to_url: r.in_reply_to_url,
         ap_id: r.t_ap_id,
-        visibility: visibility_from_str(&r.visibility),
+        visibility: Visibility::from_db_str(&r.visibility),
         content_warning: r.content_warning,
         sensitive: r.sensitive,
         local: r.t_local,
@@ -180,7 +171,7 @@ impl FeedRepository for PgFeedRepository {
             .bind(&ids)
             .fetch_one(&self.pool)
             .await
-            .map_err(|e| DomainError::Internal(e.to_string()))?;
+            .into_domain()?;
 
         let sel = feed_select(viewer);
         let sql = format!("{sel} WHERE (t.user_id=ANY($1){}) AND t.visibility != 'direct' ORDER BY t.created_at DESC LIMIT $2 OFFSET $3", fed_clause);
@@ -190,7 +181,7 @@ impl FeedRepository for PgFeedRepository {
             .bind(page.offset())
             .fetch_all(&self.pool)
             .await
-            .map_err(|e| DomainError::Internal(e.to_string()))?;
+            .into_domain()?;
 
         Ok(Paginated {
             items: rows.into_iter().map(row_to_entry).collect(),
@@ -211,7 +202,7 @@ impl FeedRepository for PgFeedRepository {
         )
         .fetch_one(&self.pool)
         .await
-        .map_err(|e| DomainError::Internal(e.to_string()))?;
+        .into_domain()?;
 
         let sel = feed_select(viewer);
         let sql = format!("{sel} WHERE t.local=true AND t.visibility='public' ORDER BY t.created_at DESC LIMIT $1 OFFSET $2");
@@ -220,7 +211,7 @@ impl FeedRepository for PgFeedRepository {
             .bind(page.offset())
             .fetch_all(&self.pool)
             .await
-            .map_err(|e| DomainError::Internal(e.to_string()))?;
+            .into_domain()?;
 
         Ok(Paginated {
             items: rows.into_iter().map(row_to_entry).collect(),
@@ -243,7 +234,7 @@ impl FeedRepository for PgFeedRepository {
         .bind(query)
         .fetch_one(&self.pool)
         .await
-        .map_err(|e| DomainError::Internal(e.to_string()))?;
+        .into_domain()?;
 
         let sel = feed_select(viewer);
         let sql = format!("{sel} WHERE t.content % $1 AND t.visibility='public' ORDER BY similarity(t.content, $1) DESC LIMIT $2 OFFSET $3");
@@ -253,7 +244,7 @@ impl FeedRepository for PgFeedRepository {
             .bind(page.offset())
             .fetch_all(&self.pool)
             .await
-            .map_err(|e| DomainError::Internal(e.to_string()))?;
+            .into_domain()?;
 
         Ok(Paginated {
             items: rows.into_iter().map(row_to_entry).collect(),
@@ -279,7 +270,7 @@ impl FeedRepository for PgFeedRepository {
         .bind(tag_name)
         .fetch_one(&self.pool)
         .await
-        .map_err(|e| DomainError::Internal(e.to_string()))?;
+        .into_domain()?;
 
         let sel = feed_select(viewer);
         let sql = format!(
@@ -295,7 +286,7 @@ impl FeedRepository for PgFeedRepository {
             .bind(page.offset())
             .fetch_all(&self.pool)
             .await
-            .map_err(|e| DomainError::Internal(e.to_string()))?;
+            .into_domain()?;
 
         Ok(Paginated {
             items: rows.into_iter().map(row_to_entry).collect(),
@@ -324,7 +315,7 @@ impl FeedRepository for PgFeedRepository {
         .bind(viewer_uuid)
         .fetch_one(&self.pool)
         .await
-        .map_err(|e| DomainError::Internal(e.to_string()))?;
+        .into_domain()?;
 
         let sel = feed_select(viewer);
         let sql = format!("{sel} WHERE t.user_id = $1 AND ($4::uuid = $1 OR (t.visibility != 'direct' AND (t.visibility IN ('public', 'unlisted') OR (t.visibility = 'followers' AND EXISTS(SELECT 1 FROM follows WHERE follower_id = $4 AND following_id = $1 AND state = 'accepted'))))) ORDER BY t.created_at DESC LIMIT $2 OFFSET $3");
@@ -335,7 +326,7 @@ impl FeedRepository for PgFeedRepository {
             .bind(viewer_uuid)
             .fetch_all(&self.pool)
             .await
-            .map_err(|e| DomainError::Internal(e.to_string()))?;
+            .into_domain()?;
 
         Ok(Paginated {
             items: rows.into_iter().map(row_to_entry).collect(),