public static IHtmlString RenderOpenGraphMetaData(this HtmlHelper helper, IContentViewModel <IContent> contentViewModel)
{
var metaTitle = (contentViewModel.CurrentContent as FoundationPageData)?.MetaTitle ?? contentViewModel.CurrentContent.Name;
var defaultLocale = EPiServer.Globalization.GlobalizationSettings.CultureLanguageCode;
IEnumerable <string> alternateLocales = null;
string contentType = null;
string imageUrl = null;
IEnumerable <string> category = null;
string brand = null;
string priceAmount = null;
Currency priceCurrency = null;
if (contentViewModel.CurrentContent is FoundationPageData && ((FoundationPageData)contentViewModel.CurrentContent).PageImage != null)
{
imageUrl = GetUrl(((FoundationPageData)contentViewModel.CurrentContent).PageImage);
}
else
{
imageUrl = GetDefaultImageUrl();
}
if (contentViewModel.CurrentContent is FoundationPageData pageData)
{
alternateLocales = pageData.ExistingLanguages.Where(culture => culture.TextInfo.CultureName != defaultLocale)
.Select(culture => culture.TextInfo.CultureName.Replace('-', '_'));
}
else if (contentViewModel.CurrentContent is EntryContentBase entryContent)
{
alternateLocales = entryContent.ExistingLanguages.Where(culture => culture.TextInfo.CultureName != defaultLocale)
.Select(culture => culture.TextInfo.CultureName.Replace('-', '_'));
}
if (contentViewModel.CurrentContent is FoundationPageData)
{
if (((FoundationPageData)contentViewModel.CurrentContent).MetaContentType != null)
{
contentType = ((FoundationPageData)contentViewModel.CurrentContent).MetaContentType;
}
else
{
var pageType = _contentTypeRepository.Value.Load(contentViewModel.CurrentContent.GetOriginalType());
contentType = pageType.DisplayName;
}
}
if (contentViewModel is GenericProductViewModel model)
{
brand = model.CurrentContent.Brand;
priceAmount = model.ListingPrice == null || model.ListingPrice.Amount == 0 ? null : model.ListingPrice.ToString().Remove(0, 1);
priceCurrency = model.ListingPrice.Currency;
category = GetNodes(model.CurrentContent);
}
switch (contentViewModel.CurrentContent)
{
case HomePage homePage:
var openGraphHomePage = new OpenGraphHomePage(metaTitle, new OpenGraphImage(imageUrl), GetUrl(homePage.ContentLink))
{
Description = homePage.PageDescription,
Locale = defaultLocale.Replace('-', '_'),
AlternateLocales = alternateLocales,
ContentType = contentType,
Category = homePage.Categories?.Select(c => c.ToString()),
ModifiedTime = homePage.Changed,
PublishedTime = homePage.StartPublish ?? null,
ExpirationTime = homePage.StopPublish ?? null
};
return(helper.OpenGraph(openGraphHomePage));
case LocationItemPage locationItemPage:
var openGraphLocationItemPage = new OpenGraphLocationItemPage(metaTitle, new OpenGraphImage(imageUrl), GetUrl(contentViewModel.CurrentContent.ContentLink))
{
Description = locationItemPage.PageDescription,
Locale = defaultLocale.Replace('-', '_'),
AlternateLocales = alternateLocales,
ContentType = contentType,
ModifiedTime = locationItemPage.Changed,
PublishedTime = locationItemPage.StartPublish ?? null,
ExpirationTime = locationItemPage.StopPublish ?? null
};
var categories = new List <string>();
if (locationItemPage.Continent != null)
{
categories.Add(locationItemPage.Continent);
}
if (locationItemPage.Country != null)
{
categories.Add(locationItemPage.Country);
}
openGraphLocationItemPage.Category = categories;
var tags = new List <string>();
var items = ((LocationItemPage)contentViewModel.CurrentContent).Categories;
if (items != null)
{
foreach (var item in items)
{
tags.Add(_contentLoader.Value.Get <StandardCategory>(item).Name);
}
}
openGraphLocationItemPage.Tags = tags;
return(helper.OpenGraph(openGraphLocationItemPage));
case BlogItemPage _:
case StandardPage _:
case TagPage _:
var openGraphArticle = new OpenGraphFoundationPageData(metaTitle, new OpenGraphImage(imageUrl), GetUrl(contentViewModel.CurrentContent.ContentLink))
{
Description = ((FoundationPageData)contentViewModel.CurrentContent).PageDescription,
Locale = defaultLocale.Replace('-', '_'),
AlternateLocales = alternateLocales,
ContentType = contentType,
ModifiedTime = ((FoundationPageData)contentViewModel.CurrentContent).Changed,
PublishedTime = ((FoundationPageData)contentViewModel.CurrentContent).StartPublish ?? null,
ExpirationTime = ((FoundationPageData)contentViewModel.CurrentContent).StopPublish ?? null
};
return(helper.OpenGraph(openGraphArticle));
case FoundationPageData foundationPageData:
var openGraphFoundationPage = new OpenGraphFoundationPageData(metaTitle, new OpenGraphImage(imageUrl), GetUrl(foundationPageData.ContentLink))
{
Description = foundationPageData.PageDescription,
Locale = defaultLocale.Replace('-', '_'),
AlternateLocales = alternateLocales,
Author = foundationPageData.AuthorMetaData,
ContentType = contentType,
Category = foundationPageData.Categories?.Select(c => c.ToString()),
ModifiedTime = foundationPageData.Changed,
PublishedTime = foundationPageData.StartPublish ?? null,
ExpirationTime = foundationPageData.StopPublish ?? null
};
return(helper.OpenGraph(openGraphFoundationPage));
case NodeContentBase nodeContentBase:
var openGraphCategory = new OpenGraphGenericNode(metaTitle, new OpenGraphImage(imageUrl), GetUrl(nodeContentBase.ContentLink))
{
Locale = defaultLocale.Replace('-', '_'),
AlternateLocales = alternateLocales,
PublishedTime = nodeContentBase.StartPublish ?? null,
ExpirationTime = nodeContentBase.StopPublish ?? null
};
return(helper.OpenGraph(openGraphCategory));
case EntryContentBase entryContentBase:
var entryImageUrl = entryContentBase.GetAssets <IContentImage>(_contentLoader.Value, _urlResolver.Value).FirstOrDefault();
if (string.IsNullOrEmpty(entryImageUrl))
{
entryImageUrl = GetDefaultImageUrl();
}
var openGraphEntry = new OpenGraphGenericProduct(
entryContentBase.DisplayName,
new OpenGraphImage(entryImageUrl),
GetUrl(entryContentBase.ContentLink))
{
Locale = defaultLocale.Replace('-', '_'),
AlternateLocales = alternateLocales,
Category = category,
Brand = brand,
PriceAmount = priceAmount,
PriceCurrency = priceCurrency
};
return(helper.OpenGraph(openGraphEntry));
}
return(new HtmlString(string.Empty));
}
public static IHtmlString RenderOpenGraphMetaData(this HtmlHelper helper, IContentViewModel <IContent> contentViewModel)
{
var metaTitle = (contentViewModel.CurrentContent as FoundationPageData)?.MetaTitle ?? contentViewModel.CurrentContent.Name;
var defaultLocale = EPiServer.Globalization.GlobalizationSettings.CultureLanguageCode;
IEnumerable <string> alternateLocales = null;
string contentType = null;
string imageUrl = null;
if (contentViewModel.CurrentContent is FoundationPageData && ((FoundationPageData)contentViewModel.CurrentContent).PageImage != null)
{
imageUrl = GetUrl(((FoundationPageData)contentViewModel.CurrentContent).PageImage);
}
else
{
imageUrl = GetDefaultImageUrl();
}
if (contentViewModel.CurrentContent is FoundationPageData pageData)
{
alternateLocales = pageData.ExistingLanguages.Where(culture => culture.TextInfo.CultureName != defaultLocale)
.Select(culture => culture.TextInfo.CultureName.Replace('-', '_'));
}
if (contentViewModel.CurrentContent is FoundationPageData)
{
if (((FoundationPageData)contentViewModel.CurrentContent).MetaContentType != null)
{
contentType = ((FoundationPageData)contentViewModel.CurrentContent).MetaContentType;
}
else
{
var pageType = _contentTypeRepository.Value.Load(contentViewModel.CurrentContent.GetOriginalType());
contentType = pageType.DisplayName;
}
}
switch (contentViewModel.CurrentContent)
{
case CmsHomePage homePage:
var openGraphHomePage = new OpenGraphHomePage(metaTitle, new OpenGraphImage(imageUrl), GetUrl(homePage.ContentLink))
{
Description = homePage.PageDescription,
Locale = defaultLocale.Replace('-', '_'),
AlternateLocales = alternateLocales,
ContentType = contentType,
Category = GetCategoryNames(homePage.Categories),
ModifiedTime = homePage.Changed,
PublishedTime = homePage.StartPublish ?? null,
ExpirationTime = homePage.StopPublish ?? null
};
return(helper.OpenGraph(openGraphHomePage));
case LocationItemPage locationItemPage:
var openGraphLocationItemPage = new OpenGraphLocationItemPage(metaTitle, new OpenGraphImage(imageUrl), GetUrl(contentViewModel.CurrentContent.ContentLink))
{
Description = locationItemPage.PageDescription,
Locale = defaultLocale.Replace('-', '_'),
AlternateLocales = alternateLocales,
ContentType = contentType,
ModifiedTime = locationItemPage.Changed,
PublishedTime = locationItemPage.StartPublish ?? null,
ExpirationTime = locationItemPage.StopPublish ?? null
};
var categories = new List <string>();
if (locationItemPage.Continent != null)
{
categories.Add(locationItemPage.Continent);
}
if (locationItemPage.Country != null)
{
categories.Add(locationItemPage.Country);
}
openGraphLocationItemPage.Category = categories;
var tags = new List <string>();
var items = ((LocationItemPage)contentViewModel.CurrentContent).Categories;
if (items != null)
{
foreach (var item in items)
{
tags.Add(_contentLoader.Value.Get <StandardCategory>(item).Name);
}
}
openGraphLocationItemPage.Tags = tags;
return(helper.OpenGraph(openGraphLocationItemPage));
case BlogItemPage _:
case StandardPage _:
case TagPage _:
var openGraphArticle = new OpenGraphFoundationPageData(metaTitle, new OpenGraphImage(imageUrl), GetUrl(contentViewModel.CurrentContent.ContentLink))
{
Description = ((FoundationPageData)contentViewModel.CurrentContent).PageDescription,
Locale = defaultLocale.Replace('-', '_'),
AlternateLocales = alternateLocales,
ContentType = contentType,
ModifiedTime = ((FoundationPageData)contentViewModel.CurrentContent).Changed,
PublishedTime = ((FoundationPageData)contentViewModel.CurrentContent).StartPublish ?? null,
ExpirationTime = ((FoundationPageData)contentViewModel.CurrentContent).StopPublish ?? null
};
return(helper.OpenGraph(openGraphArticle));
case FoundationPageData foundationPageData:
var openGraphFoundationPage = new OpenGraphFoundationPageData(metaTitle, new OpenGraphImage(imageUrl), GetUrl(foundationPageData.ContentLink))
{
Description = foundationPageData.PageDescription,
Locale = defaultLocale.Replace('-', '_'),
AlternateLocales = alternateLocales,
Author = foundationPageData.AuthorMetaData,
ContentType = contentType,
Category = GetCategoryNames(foundationPageData.Categories),
ModifiedTime = foundationPageData.Changed,
PublishedTime = foundationPageData.StartPublish ?? null,
ExpirationTime = foundationPageData.StopPublish ?? null
};
return(helper.OpenGraph(openGraphFoundationPage));
}
return(new HtmlString(string.Empty));
}
