feat: add linkedin account to profiles

Author: tusharshah21

…1a9cb3d50d557d90c55b95195b1dbbd09b2.json …a0507fc3079724bec3eddb594dffc35b7bc.jsonbackend/.sqlx/query-d8259958a9c38fd2c6b0ad35793c51a9cb3d50d557d90c55b95195b1dbbd09b2.json renamed to backend/.sqlx/query-18a941abe96017e4e2821c4fb19b6a0507fc3079724bec3eddb594dffc35b7bc.json backend/.sqlx/query-d8259958a9c38fd2c6b0ad35793c51a9cb3d50d557d90c55b95195b1dbbd09b2.json renamed to backend/.sqlx/query-18a941abe96017e4e2821c4fb19b6a0507fc3079724bec3eddb594dffc35b7bc.json

@@ -0,0 +1,2 @@
+ALTER TABLE profiles ADD COLUMN IF NOT EXISTS linkedin_account TEXT;
+CREATE UNIQUE INDEX IF NOT EXISTS unique_linkedin_account_lower ON profiles (LOWER(linkedin_account));

…501cd3cc1ad7eb72b0ed7edc853035b14c9.json …a4d930f3708ddcdefba47232de3c9f3299c.jsonbackend/.sqlx/query-ba666476f8eec313de6b35bd1066f501cd3cc1ad7eb72b0ed7edc853035b14c9.json renamed to backend/.sqlx/query-256e9ed74cc3b0d545a12a411d15ba4d930f3708ddcdefba47232de3c9f3299c.json backend/.sqlx/query-ba666476f8eec313de6b35bd1066f501cd3cc1ad7eb72b0ed7edc853035b14c9.json renamed to backend/.sqlx/query-256e9ed74cc3b0d545a12a411d15ba4d930f3708ddcdefba47232de3c9f3299c.json

@@ -36,6 +36,7 @@ pub async fn create_profile(
         avatar_url: profile.avatar_url,
         github_login: profile.github_login,
         twitter_handle: profile.twitter_handle,
+        linkedin_account: profile.linkedin_account,
         created_at: profile.created_at,
         updated_at: profile.updated_at,
     })

…c7583e1b104a6ba83184a7841b2f198520d.json …07525105d413d39a212c5fc9303cf93c5b8.jsonbackend/.sqlx/query-a582b89bc07b2332c1b196a4ade6ec7583e1b104a6ba83184a7841b2f198520d.json renamed to backend/.sqlx/query-c32c56360547eeb07fcdf55eeb19707525105d413d39a212c5fc9303cf93c5b8.json backend/.sqlx/query-a582b89bc07b2332c1b196a4ade6ec7583e1b104a6ba83184a7841b2f198520d.json renamed to backend/.sqlx/query-c32c56360547eeb07fcdf55eeb19707525105d413d39a212c5fc9303cf93c5b8.json

@@ -68,6 +68,33 @@ pub async fn update_profile(
             profile.twitter_handle = Some(trimmed.to_string());
         }
     }
+    if let Some(ref account) = request.linkedin_account {
+        let trimmed = account.trim();
+
+        // Allow empty accounts (set to None)
+        if trimmed.is_empty() {
+            profile.linkedin_account = None;
+        } else {
+            // Validate format for non-empty LinkedIn accounts
+            let valid_format = regex::Regex::new(r"^[a-zA-Z0-9-]{3,100}$").unwrap();
+            if !valid_format.is_match(trimmed) {
+                return Err("Invalid LinkedIn account format".to_string());
+            }
+
+            let normalized = trimmed.to_lowercase();
+            if let Some(conflicting_profile) = profile_repository
+                .find_by_linkedin_account(normalized.as_str())
+                .await
+                .map_err(|e| e.to_string())?
+            {
+                if conflicting_profile.address != wallet_address {
+                    return Err("LinkedIn account already taken".to_string());
+                }
+            }
+
+            profile.linkedin_account = Some(trimmed.to_string());
+        }
+    }
     profile_repository
         .update(&profile)
         .await
@@ -80,6 +107,7 @@ pub async fn update_profile(
         avatar_url: profile.avatar_url,
         github_login: profile.github_login,
         twitter_handle: profile.twitter_handle,
+        linkedin_account: profile.linkedin_account,
         created_at: profile.created_at,
         updated_at: profile.updated_at,
     })