23 lines
867 B
Forth
23 lines
867 B
Forth
/// Utility functions for manipulating data
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[<RequireQualifiedAccess>]
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module internal MyWebLog.Data.Utils
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open MyWebLog
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open MyWebLog.ViewModels
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/// Create a category hierarchy from the given list of categories
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let rec orderByHierarchy (cats : Category list) parentId slugBase parentNames = seq {
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for cat in cats |> List.filter (fun c -> c.ParentId = parentId) do
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let fullSlug = (match slugBase with Some it -> $"{it}/" | None -> "") + cat.Slug
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{ Id = CategoryId.toString cat.Id
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Slug = fullSlug
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Name = cat.Name
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Description = cat.Description
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ParentNames = Array.ofList parentNames
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// Post counts are filled on a second pass
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PostCount = 0
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}
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yield! orderByHierarchy cats (Some cat.Id) (Some fullSlug) ([ cat.Name ] |> List.append parentNames)
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}
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