Пример #1
0
        private async Task AddVersionTagsAsync(Common.Api.Request.MediaPart requestedPart)
        {
            if (requestedPart.Version.Tags != null)
            {
                List <Dal.Model.MediaTag> tagsInRequestVersion = new();
                foreach (var reqVersionTag in requestedPart.Version.Tags)
                {
                    var tag = await context.MediaTags.SingleOrDefaultAsync(t => t.Name == reqVersionTag.Name);

                    if (tag == null)
                    {
                        tag = new Dal.Model.MediaTag {
                            Name = reqVersionTag.Name
                        };
                        await context.MediaTags.AddAsync(tag);

                        await context.SaveChangesAsync();
                    }
                    tagsInRequestVersion.Add(tag);

                    // Version-Tag link
                    if (!await context.MediaVersionTags.AnyAsync(vt => vt.MediaVersionId == (int)requestedPart.Version.MediaVersionId && vt.MediaTagId == tag.MediaTagId))
                    {
                        await context.MediaVersionTags.AddAsync(new Dal.Model.MediaVersionTag
                        {
                            MediaVersionId = (int)requestedPart.Version.MediaVersionId,
                            MediaTagId     = tag.MediaTagId
                        });

                        await context.SaveChangesAsync();
                    }
                }

                // Remove tags that are not in request.
                var allTagsForVersion = await context.MediaVersionTags.Where(vt => vt.MediaVersionId == (int)requestedPart.Version.MediaVersionId).ToListAsync();

                context.MediaVersionTags.RemoveRange(allTagsForVersion.Where(versionTag => !tagsInRequestVersion.Any(requestTag => requestTag.MediaTagId == versionTag.MediaTagId)));
                await context.SaveChangesAsync();
            }
        }
Пример #2
0
        private async Task AddHeaderTagsAsync(Common.Api.Request.MediaHeader requestedHeader)
        {
            if (requestedHeader.Tags != null)
            {
                List <Dal.Model.MediaTag> tagsInRequestHeader = new();
                foreach (var reqHeaderTag in requestedHeader.Tags)
                {
                    var tag = await context.MediaTags.SingleOrDefaultAsync(t => t.Name == reqHeaderTag.Name);

                    if (tag == null)
                    {
                        tag = new Dal.Model.MediaTag {
                            Name = reqHeaderTag.Name
                        };
                        await context.MediaTags.AddAsync(tag);

                        await context.SaveChangesAsync();
                    }
                    tagsInRequestHeader.Add(tag);

                    // Header-Tag link
                    if (!await context.MediaHeaderTags.AnyAsync(ht => ht.MediaHeaderId == (int)requestedHeader.MediaHeaderId && ht.MediaTagId == tag.MediaTagId))
                    {
                        await context.MediaHeaderTags.AddAsync(new Dal.Model.MediaHeaderTag
                        {
                            MediaHeaderId = (int)requestedHeader.MediaHeaderId,
                            MediaTagId    = tag.MediaTagId
                        });

                        await context.SaveChangesAsync();
                    }
                }

                // Remove tags that are not in request.
                var allTagsForHeader = await context.MediaHeaderTags.Where(ht => ht.MediaHeaderId == (int)requestedHeader.MediaHeaderId).ToListAsync();

                context.MediaHeaderTags.RemoveRange(allTagsForHeader.Where(headerTag => !tagsInRequestHeader.Any(requestTag => requestTag.MediaTagId == headerTag.MediaTagId)));
                await context.SaveChangesAsync();
            }
        }