commit d7daf0709e708fc5f4807d9126ee421e7fc0dba5 · comet.sh/comet

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.gitignore

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       vite.config.ts.timestamp-*

     

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       # Nix

     

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       result
     

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       vite.config.ts.timestamp-*

     

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       # Nix

     

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       result

     

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       # Dumps

     

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       erl_crash.dump

+61

apps/backend/lib/comet/aturi.ex

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       defmodule Comet.AtURI do

     

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         use TypedStruct

     

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         @did "did:(?:plc|web):[a-zA-Z0-9._:%-]*[a-zA-Z0-9._-]"

     

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         @handle "(?:[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?\.)+[a-zA-Z](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?"

     

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         @nsid "[a-zA-Z]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(\.[a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+(\.[a-zA-Z]([a-zA-Z0-9]{0,62})?)"

     

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         @authority "(?<authority>(?:#{@did})|(?:#{@handle}))"

     

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         @collection "(?<collection>#{@nsid})"

     

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         @rkey "(?<rkey>[a-zA-Z0-9.-_:~]{1,512})"

     

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         @re ~r"^at://#{@authority}(?:/#{@collection}(?:/#{@rkey})?)?$"

     

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         typedstruct do

     

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           field :authority, String.t(), enforce: true

     

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           field :collection, String.t() | nil

     

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           field :rkey, String.t() | nil

     

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         end

     

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         @spec new(String.t()) :: {:ok, t()} | :error

     

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         def new(string) when is_binary(string) do

     

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           case Regex.named_captures(@re, string) do

     

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             %{} = captures -> {:ok, from_named_captures(captures)}

     

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             nil -> :error

     

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           end

     

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         end

     

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         @spec new!(String.t()) :: t()

     

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         def new!(string) when is_binary(string) do

     

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           case new(string) do

     

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             {:ok, uri} -> uri

     

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             :error -> raise ArgumentError, message: "Malformed at:// URI"

     

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           end

     

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         end

     

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         @spec match?(String.t()) :: boolean()

     

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         def match?(string), do: Regex.match?(@re, string)

     

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         @spec to_string(t()) :: String.t()

     

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         def to_string(%__MODULE__{} = uri) do

     

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           "at://#{uri.authority}/#{uri.collection}/#{uri.rkey}"

     

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           |> String.trim_trailing("/")

     

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         end

     

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         defp from_named_captures(%{"authority" => authority, "collection" => "", "rkey" => ""}),

     

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           do: %__MODULE__{authority: authority}

     

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         defp from_named_captures(%{"authority" => authority, "collection" => collection, "rkey" => ""}),

     

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           do: %__MODULE__{authority: authority, collection: collection}

     

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         defp from_named_captures(%{

     

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                "authority" => authority,

     

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                "collection" => collection,

     

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                "rkey" => rkey

     

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              }),

     

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              do: %__MODULE__{authority: authority, collection: collection, rkey: rkey}

     

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       end

     

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       defimpl String.Chars, for: Comet.AtURI do

     

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         def to_string(%Comet.AtURI{} = uri), do: Comet.AtURI.to_string(uri)

     

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       end