fix(video-player): fix the video player to permit the nagivation through the video (it was because de fast api server refused range request)

backend/api/routers/vlogs.py

@@ -6,7 +6,7 @@ import uuid
 from pathlib import Path
 from config.database import get_db
 from config.settings import settings
-from models.vlog import Vlog, VlogLike, VlogComment
+from models.vlog import Vlog, VlogLike, VlogComment, VlogView
 from models.user import User
 from schemas.vlog import VlogCreate, VlogUpdate, VlogResponse, VlogCommentCreate
 from utils.security import get_current_active_user
@@ -56,8 +56,21 @@ async def get_vlog(
             detail="Vlog not found"
         )
     
-    # Increment view count
-    vlog.views_count += 1
+    # Manage views and replays
+    view = db.query(VlogView).filter(
+        VlogView.vlog_id == vlog_id,
+        VlogView.user_id == current_user.id
+    ).first()
+    
+    if view:
+        # User has already viewed this vlog -> Count as replay
+        vlog.replays_count = (vlog.replays_count or 0) + 1
+    else:
+        # First time viewing -> Count as unique view
+        new_view = VlogView(vlog_id=vlog_id, user_id=current_user.id)
+        db.add(new_view)
+        vlog.views_count += 1
+    
     db.commit()
     
     return format_vlog_response(vlog, db, current_user.id)
@@ -149,10 +162,15 @@ async def toggle_vlog_like(
         message = "Like removed"
     else:
         # Like
-        like = VlogLike(vlog_id=vlog_id, user_id=current_user.id)
-        db.add(like)
-        vlog.likes_count += 1
-        message = "Vlog liked"
+        try:
+            like = VlogLike(vlog_id=vlog_id, user_id=current_user.id)
+            db.add(like)
+            vlog.likes_count += 1
+            message = "Vlog liked"
+        except Exception:
+            # Handle potential race condition or constraint violation
+            db.rollback()
+            return {"message": "Already liked", "likes_count": vlog.likes_count}
     
     db.commit()
     return {"message": message, "likes_count": vlog.likes_count}
@@ -244,7 +262,7 @@ async def upload_vlog_video(
     
     # Check file size
     video_content = await video.read()
-    max_size = SettingsService.get_max_upload_size(db, video.content_type or "video/mp4")
+    max_size = SettingsService.get_max_upload_size(db, video.content_type or "video/mp4", is_vlog=True)
     if len(video_content) > max_size:
         max_size_mb = max_size // (1024 * 1024)
         raise HTTPException(
@@ -363,6 +381,7 @@ def format_vlog_response(vlog: Vlog, db: Session, current_user_id: int) -> dict:
         "thumbnail_url": vlog.thumbnail_url,
         "duration": vlog.duration,
         "views_count": vlog.views_count,
+        "replays_count": vlog.replays_count,
         "likes_count": vlog.likes_count,
         "created_at": vlog.created_at,
         "updated_at": vlog.updated_at,