IF OBJECT_ID('[dbo].[Collection_ReadByUserId]') IS NOT NULL
BEGIN
    DROP PROCEDURE [dbo].[Collection_ReadByUserId]
END
GO

CREATE PROCEDURE [dbo].[Collection_ReadByUserId]
    @UserId UNIQUEIDENTIFIER,
    @WriteOnly BIT
AS
BEGIN
    SET NOCOUNT ON

    SELECT
        C.*
    FROM
        [dbo].[CollectionView] C
    INNER JOIN
        [dbo].[OrganizationUser] OU ON C.[OrganizationId] = OU.[OrganizationId]
    INNER JOIN
        [dbo].[Organization] O ON O.[Id] = C.[OrganizationId]
    LEFT JOIN
        [dbo].[CollectionUser] CU ON OU.[AccessAll] = 0 AND CU.[CollectionId] = C.[Id] AND CU.[OrganizationUserId] = [OU].[Id]
    LEFT JOIN
        [dbo].[GroupUser] GU ON CU.[CollectionId] IS NULL AND OU.[AccessAll] = 0 AND GU.[OrganizationUserId] = OU.[Id]
    LEFT JOIN
        [dbo].[Group] G ON G.[Id] = GU.[GroupId]
    LEFT JOIN
        [dbo].[CollectionGroup] CG ON G.[AccessAll] = 0 AND CG.[CollectionId] = C.[Id] AND CG.[GroupId] = GU.[GroupId]
    WHERE
        OU.[UserId] = @UserId
        AND OU.[Status] = 2 -- 2 = Confirmed
        AND O.[Enabled] = 1
        AND (
            OU.[AccessAll] = 1
            OR CU.[CollectionId] IS NOT NULL
            OR G.[AccessAll] = 1
            OR CG.[CollectionId] IS NOT NULL
        )
        AND (
            @WriteOnly = 0
            OR CU.[ReadOnly] = 0
            OR CG.[ReadOnly] = 0
        )
END
GO