Character name field is always unique, updated init migration

src/app/repositories/CharacterRepository.ts

@@ -59,6 +59,19 @@ class CharacterRepository {
             throw new Error(`Failed to delete character: ${error.message}`);
         }
     }
+
+    async getByName(name: string): Promise<Character | null> {
+        try {
+            return await prisma.character.findFirst({
+                where: {
+                    name,
+                },
+            });
+        } catch (error: any) {
+            // Handle error
+            throw new Error(`Failed to get character by name: ${error.message}`);
+        }
+    }
 }
 
 export default new CharacterRepository;