Use Enumerable.Contains() instead of ImmutableArray.Contains() and add missing cancellation tokens

src/OpenIddict.EntityFramework/Stores/OpenIddictApplicationStore.cs

@@ -107,7 +107,7 @@ namespace OpenIddict.EntityFramework
         /// whose result returns the number of applications in the database.
         /// </returns>
         public virtual Task<long> CountAsync(CancellationToken cancellationToken)
-            => Applications.LongCountAsync();
+            => Applications.LongCountAsync(cancellationToken);
 
         /// <summary>
         /// Determines the number of applications that match the specified query.
@@ -126,7 +126,7 @@ namespace OpenIddict.EntityFramework
                 throw new ArgumentNullException(nameof(query));
             }
 
-            return query(Applications).LongCountAsync();
+            return query(Applications).LongCountAsync(cancellationToken);
         }
 
         /// <summary>
@@ -249,7 +249,7 @@ namespace OpenIddict.EntityFramework
 
             return (from application in Applications
                     where application.Id.Equals(key)
-                    select application).FirstOrDefaultAsync();
+                    select application).FirstOrDefaultAsync(cancellationToken);
         }
 
         /// <summary>
@@ -270,7 +270,7 @@ namespace OpenIddict.EntityFramework
 
             return (from application in Applications
                     where application.ClientId == identifier
-                    select application).FirstOrDefaultAsync();
+                    select application).FirstOrDefaultAsync(cancellationToken);
         }
 
         /// <summary>
@@ -539,7 +539,7 @@ namespace OpenIddict.EntityFramework
                      .SetSlidingExpiration(TimeSpan.FromMinutes(1));
 
                 return JArray.Parse(application.Permissions)
-                    .Select(element => (string) element)
+                    .Select(permission => (string) permission)
                     .ToImmutableArray();
             });
 
@@ -576,7 +576,7 @@ namespace OpenIddict.EntityFramework
                      .SetSlidingExpiration(TimeSpan.FromMinutes(1));
 
                 return JArray.Parse(application.PostLogoutRedirectUris)
-                    .Select(element => (string) element)
+                    .Select(address => (string) address)
                     .ToImmutableArray();
             });
 
@@ -648,7 +648,7 @@ namespace OpenIddict.EntityFramework
                      .SetSlidingExpiration(TimeSpan.FromMinutes(1));
 
                 return JArray.Parse(application.RedirectUris)
-                    .Select(element => (string) element)
+                    .Select(address => (string) address)
                     .ToImmutableArray();
             });
 

src/OpenIddict.EntityFramework/Stores/OpenIddictAuthorizationStore.cs

@@ -107,7 +107,7 @@ namespace OpenIddict.EntityFramework
         /// whose result returns the number of authorizations in the database.
         /// </returns>
         public virtual Task<long> CountAsync(CancellationToken cancellationToken)
-            => Authorizations.LongCountAsync();
+            => Authorizations.LongCountAsync(cancellationToken);
 
         /// <summary>
         /// Determines the number of authorizations that match the specified query.
@@ -126,7 +126,7 @@ namespace OpenIddict.EntityFramework
                 throw new ArgumentNullException(nameof(query));
             }
 
-            return query(Authorizations).LongCountAsync();
+            return query(Authorizations).LongCountAsync(cancellationToken);
         }
 
         /// <summary>
@@ -594,7 +594,7 @@ namespace OpenIddict.EntityFramework
                      .SetSlidingExpiration(TimeSpan.FromMinutes(1));
 
                 return JArray.Parse(authorization.Scopes)
-                    .Select(element => (string) element)
+                    .Select(scope => (string) scope)
                     .ToImmutableArray();
             });
 

src/OpenIddict.EntityFramework/Stores/OpenIddictScopeStore.cs

@@ -89,7 +89,7 @@ namespace OpenIddict.EntityFramework
         /// whose result returns the number of scopes in the database.
         /// </returns>
         public virtual Task<long> CountAsync(CancellationToken cancellationToken)
-            => Scopes.LongCountAsync();
+            => Scopes.LongCountAsync(cancellationToken);
 
         /// <summary>
         /// Determines the number of scopes that match the specified query.
@@ -108,7 +108,7 @@ namespace OpenIddict.EntityFramework
                 throw new ArgumentNullException(nameof(query));
             }
 
-            return query(Scopes).LongCountAsync();
+            return query(Scopes).LongCountAsync(cancellationToken);
         }
 
         /// <summary>
@@ -223,9 +223,11 @@ namespace OpenIddict.EntityFramework
                 throw new ArgumentException("Scope names cannot be null or empty.", nameof(names));
             }
 
+            // Note: Enumerable.Contains() is deliberately used without the extension method syntax to ensure
+            // ImmutableArray.Contains() (which is not fully supported by Entity Framework 6.x) is not used instead.
             return ImmutableArray.CreateRange(
                 await (from scope in Scopes
-                       where names.Contains(scope.Name)
+                       where Enumerable.Contains(names, scope.Name)
                        select scope).ToListAsync(cancellationToken));
         }
 
@@ -434,7 +436,7 @@ namespace OpenIddict.EntityFramework
                      .SetSlidingExpiration(TimeSpan.FromMinutes(1));
 
                 return JArray.Parse(scope.Resources)
-                    .Select(element => (string) element)
+                    .Select(resource => (string) resource)
                     .ToImmutableArray();
             });
 

src/OpenIddict.EntityFramework/Stores/OpenIddictTokenStore.cs

@@ -107,7 +107,7 @@ namespace OpenIddict.EntityFramework
         /// whose result returns the number of applications in the database.
         /// </returns>
         public virtual Task<long> CountAsync(CancellationToken cancellationToken)
-            => Tokens.LongCountAsync();
+            => Tokens.LongCountAsync(cancellationToken);
 
         /// <summary>
         /// Determines the number of tokens that match the specified query.
@@ -126,7 +126,7 @@ namespace OpenIddict.EntityFramework
                 throw new ArgumentNullException(nameof(query));
             }
 
-            return query(Tokens).LongCountAsync();
+            return query(Tokens).LongCountAsync(cancellationToken);
         }
 
         /// <summary>

src/OpenIddict.EntityFrameworkCore/Stores/OpenIddictApplicationStore.cs

@@ -128,7 +128,7 @@ namespace OpenIddict.EntityFrameworkCore
         /// whose result returns the number of applications in the database.
         /// </returns>
         public virtual Task<long> CountAsync(CancellationToken cancellationToken)
-            => Applications.LongCountAsync();
+            => Applications.LongCountAsync(cancellationToken);
 
         /// <summary>
         /// Determines the number of applications that match the specified query.
@@ -147,7 +147,7 @@ namespace OpenIddict.EntityFrameworkCore
                 throw new ArgumentNullException(nameof(query));
             }
 
-            return query(Applications).LongCountAsync();
+            return query(Applications).LongCountAsync(cancellationToken);
         }
 
         /// <summary>
@@ -582,7 +582,7 @@ namespace OpenIddict.EntityFrameworkCore
                      .SetSlidingExpiration(TimeSpan.FromMinutes(1));
 
                 return JArray.Parse(application.Permissions)
-                    .Select(element => (string) element)
+                    .Select(permission => (string) permission)
                     .ToImmutableArray();
             });
 
@@ -619,7 +619,7 @@ namespace OpenIddict.EntityFrameworkCore
                      .SetSlidingExpiration(TimeSpan.FromMinutes(1));
 
                 return JArray.Parse(application.PostLogoutRedirectUris)
-                    .Select(element => (string) element)
+                    .Select(address => (string) address)
                     .ToImmutableArray();
             });
 
@@ -691,7 +691,7 @@ namespace OpenIddict.EntityFrameworkCore
                      .SetSlidingExpiration(TimeSpan.FromMinutes(1));
 
                 return JArray.Parse(application.RedirectUris)
-                    .Select(element => (string) element)
+                    .Select(address => (string) address)
                     .ToImmutableArray();
             });
 

src/OpenIddict.EntityFrameworkCore/Stores/OpenIddictAuthorizationStore.cs

@@ -128,7 +128,7 @@ namespace OpenIddict.EntityFrameworkCore
         /// whose result returns the number of authorizations in the database.
         /// </returns>
         public virtual Task<long> CountAsync(CancellationToken cancellationToken)
-            => Authorizations.LongCountAsync();
+            => Authorizations.LongCountAsync(cancellationToken);
 
         /// <summary>
         /// Determines the number of authorizations that match the specified query.
@@ -147,7 +147,7 @@ namespace OpenIddict.EntityFrameworkCore
                 throw new ArgumentNullException(nameof(query));
             }
 
-            return query(Authorizations).LongCountAsync();
+            return query(Authorizations).LongCountAsync(cancellationToken);
         }
 
         /// <summary>
@@ -652,7 +652,7 @@ namespace OpenIddict.EntityFrameworkCore
                      .SetSlidingExpiration(TimeSpan.FromMinutes(1));
 
                 return JArray.Parse(authorization.Scopes)
-                    .Select(element => (string) element)
+                    .Select(scope => (string) scope)
                     .ToImmutableArray();
             });
 

src/OpenIddict.EntityFrameworkCore/Stores/OpenIddictScopeStore.cs

@@ -106,7 +106,7 @@ namespace OpenIddict.EntityFrameworkCore
         /// whose result returns the number of scopes in the database.
         /// </returns>
         public virtual Task<long> CountAsync(CancellationToken cancellationToken)
-            => Scopes.LongCountAsync();
+            => Scopes.LongCountAsync(cancellationToken);
 
         /// <summary>
         /// Determines the number of scopes that match the specified query.
@@ -125,7 +125,7 @@ namespace OpenIddict.EntityFrameworkCore
                 throw new ArgumentNullException(nameof(query));
             }
 
-            return query(Scopes).LongCountAsync();
+            return query(Scopes).LongCountAsync(cancellationToken);
         }
 
         /// <summary>
@@ -240,9 +240,12 @@ namespace OpenIddict.EntityFrameworkCore
                 throw new ArgumentException("Scope names cannot be null or empty.", nameof(names));
             }
 
+            // Note: Enumerable.Contains() is deliberately used without the extension method syntax to ensure
+            // ImmutableArray.Contains() (which is not fully supported by Entity Framework Core) is not used instead.
             return ImmutableArray.CreateRange(
                 await (from scope in Scopes.AsTracking()
                        where names.Contains(scope.Name)
+                       where Enumerable.Contains(names, scope.Name)
                        select scope).ToListAsync(cancellationToken));
         }
 
@@ -451,7 +454,7 @@ namespace OpenIddict.EntityFrameworkCore
                      .SetSlidingExpiration(TimeSpan.FromMinutes(1));
 
                 return JArray.Parse(scope.Resources)
-                    .Select(element => (string) element)
+                    .Select(resource => (string) resource)
                     .ToImmutableArray();
             });
 

src/OpenIddict.EntityFrameworkCore/Stores/OpenIddictTokenStore.cs

@@ -128,7 +128,7 @@ namespace OpenIddict.EntityFrameworkCore
         /// whose result returns the number of applications in the database.
         /// </returns>
         public virtual Task<long> CountAsync(CancellationToken cancellationToken)
-            => Tokens.LongCountAsync();
+            => Tokens.LongCountAsync(cancellationToken);
 
         /// <summary>
         /// Determines the number of tokens that match the specified query.
@@ -147,7 +147,7 @@ namespace OpenIddict.EntityFrameworkCore
                 throw new ArgumentNullException(nameof(query));
             }
 
-            return query(Tokens).LongCountAsync();
+            return query(Tokens).LongCountAsync(cancellationToken);
         }
 
         /// <summary>

src/OpenIddict.MongoDb/Stores/OpenIddictApplicationStore.cs

@@ -61,7 +61,7 @@ namespace OpenIddict.MongoDb
             var database = await Context.GetDatabaseAsync(cancellationToken);
             var collection = database.GetCollection<TApplication>(Options.CurrentValue.ApplicationsCollectionName);
 
-            return await collection.CountDocumentsAsync(FilterDefinition<TApplication>.Empty);
+            return await collection.CountDocumentsAsync(FilterDefinition<TApplication>.Empty, null, cancellationToken);
         }
 
         /// <summary>
@@ -85,7 +85,7 @@ namespace OpenIddict.MongoDb
             var database = await Context.GetDatabaseAsync(cancellationToken);
             var collection = database.GetCollection<TApplication>(Options.CurrentValue.ApplicationsCollectionName);
 
-            return await ((IMongoQueryable<TApplication>) query(collection.AsQueryable())).LongCountAsync();
+            return await ((IMongoQueryable<TApplication>) query(collection.AsQueryable())).LongCountAsync(cancellationToken);
         }
 
         /// <summary>

src/OpenIddict.MongoDb/Stores/OpenIddictAuthorizationStore.cs

@@ -61,7 +61,7 @@ namespace OpenIddict.MongoDb
             var database = await Context.GetDatabaseAsync(cancellationToken);
             var collection = database.GetCollection<TAuthorization>(Options.CurrentValue.AuthorizationsCollectionName);
 
-            return await collection.CountDocumentsAsync(FilterDefinition<TAuthorization>.Empty);
+            return await collection.CountDocumentsAsync(FilterDefinition<TAuthorization>.Empty, null, cancellationToken);
         }
 
         /// <summary>
@@ -85,7 +85,7 @@ namespace OpenIddict.MongoDb
             var database = await Context.GetDatabaseAsync(cancellationToken);
             var collection = database.GetCollection<TAuthorization>(Options.CurrentValue.AuthorizationsCollectionName);
 
-            return await ((IMongoQueryable<TAuthorization>) query(collection.AsQueryable())).LongCountAsync();
+            return await ((IMongoQueryable<TAuthorization>) query(collection.AsQueryable())).LongCountAsync(cancellationToken);
         }
 
         /// <summary>

src/OpenIddict.MongoDb/Stores/OpenIddictScopeStore.cs

@@ -61,7 +61,7 @@ namespace OpenIddict.MongoDb
             var database = await Context.GetDatabaseAsync(cancellationToken);
             var collection = database.GetCollection<TScope>(Options.CurrentValue.ScopesCollectionName);
 
-            return await collection.CountDocumentsAsync(FilterDefinition<TScope>.Empty);
+            return await collection.CountDocumentsAsync(FilterDefinition<TScope>.Empty, null, cancellationToken);
         }
 
         /// <summary>
@@ -85,7 +85,7 @@ namespace OpenIddict.MongoDb
             var database = await Context.GetDatabaseAsync(cancellationToken);
             var collection = database.GetCollection<TScope>(Options.CurrentValue.ScopesCollectionName);
 
-            return await ((IMongoQueryable<TScope>) query(collection.AsQueryable())).LongCountAsync();
+            return await ((IMongoQueryable<TScope>) query(collection.AsQueryable())).LongCountAsync(cancellationToken);
         }
 
         /// <summary>
@@ -202,7 +202,9 @@ namespace OpenIddict.MongoDb
             var database = await Context.GetDatabaseAsync(cancellationToken);
             var collection = database.GetCollection<TScope>(Options.CurrentValue.ScopesCollectionName);
 
-            return ImmutableArray.CreateRange(await collection.Find(scope => names.Contains(scope.Name)).ToListAsync(cancellationToken));
+            // Note: Enumerable.Contains() is deliberately used without the extension method syntax to ensure
+            // ImmutableArray.Contains() (which is not fully supported by MongoDB) is not used instead.
+            return ImmutableArray.CreateRange(await collection.Find(scope => Enumerable.Contains(names, scope.Name)).ToListAsync(cancellationToken));
         }
 
         /// <summary>

src/OpenIddict.MongoDb/Stores/OpenIddictTokenStore.cs

@@ -61,7 +61,7 @@ namespace OpenIddict.MongoDb
             var database = await Context.GetDatabaseAsync(cancellationToken);
             var collection = database.GetCollection<TToken>(Options.CurrentValue.TokensCollectionName);
 
-            return await collection.CountDocumentsAsync(FilterDefinition<TToken>.Empty);
+            return await collection.CountDocumentsAsync(FilterDefinition<TToken>.Empty, null, cancellationToken);
         }
 
         /// <summary>
@@ -85,7 +85,7 @@ namespace OpenIddict.MongoDb
             var database = await Context.GetDatabaseAsync(cancellationToken);
             var collection = database.GetCollection<TToken>(Options.CurrentValue.TokensCollectionName);
 
-            return await ((IMongoQueryable<TToken>) query(collection.AsQueryable())).LongCountAsync();
+            return await ((IMongoQueryable<TToken>) query(collection.AsQueryable())).LongCountAsync(cancellationToken);
         }
 
         /// <summary>