Jamey Greenwood
1ca703e548
- Update Theme Studio sidebar to use DaisyUI theme-aware classes for dark mode - Convert Customise accordion to native details/summary elements for proper interaction - Add "Current combination" card showing active theme settings - Add SVG recolorer for logo color customization - Add image controller for serving uploaded images - Implement header background image controls (zoom, position) - Add toggle_customise event handler to preserve accordion state across re-renders 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
153 lines
3.2 KiB
Elixir
153 lines
3.2 KiB
Elixir
defmodule SimpleshopTheme.Media do
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@moduledoc """
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The Media context for managing images and file uploads.
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"""
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import Ecto.Query, warn: false
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alias SimpleshopTheme.Repo
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alias SimpleshopTheme.Media.Image, as: ImageSchema
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@thumbnail_size 200
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@doc """
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Uploads an image and stores it in the database.
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Automatically generates a thumbnail for non-SVG images if the Image library
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is available and working.
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## Examples
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iex> upload_image(%{image_type: "logo", filename: "logo.png", ...})
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{:ok, %Image{}}
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"""
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def upload_image(attrs) do
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attrs = maybe_generate_thumbnail(attrs)
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%ImageSchema{}
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|> ImageSchema.changeset(attrs)
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|> Repo.insert()
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end
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@doc """
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Uploads an image from a LiveView upload entry.
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This handles consuming the upload and extracting metadata from the entry.
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## Examples
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iex> upload_from_entry(socket, :logo_upload, fn path, entry -> ... end)
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{:ok, %Image{}}
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"""
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def upload_from_entry(path, entry, image_type) do
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file_binary = File.read!(path)
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upload_image(%{
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image_type: image_type,
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filename: entry.client_name,
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content_type: entry.client_type,
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file_size: entry.client_size,
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data: file_binary
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})
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end
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defp maybe_generate_thumbnail(%{data: data, content_type: content_type} = attrs)
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when is_binary(data) do
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if String.starts_with?(content_type || "", "image/svg") do
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attrs
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else
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case generate_thumbnail(data) do
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{:ok, thumbnail_data} ->
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Map.put(attrs, :thumbnail_data, thumbnail_data)
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{:error, _reason} ->
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attrs
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end
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end
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end
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defp maybe_generate_thumbnail(attrs), do: attrs
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defp generate_thumbnail(image_data) do
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try do
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with {:ok, image} <- Image.from_binary(image_data),
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{:ok, thumbnail} <- Image.thumbnail(image, @thumbnail_size),
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{:ok, binary} <- Image.write(thumbnail, :memory, suffix: ".jpg") do
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{:ok, binary}
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end
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rescue
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_e ->
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{:error, :thumbnail_generation_failed}
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end
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end
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@doc """
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Gets a single image by ID.
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## Examples
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iex> get_image(id)
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%Image{}
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iex> get_image("nonexistent")
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nil
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"""
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def get_image(id) do
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Repo.get(ImageSchema, id)
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end
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@doc """
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Gets the current logo image.
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## Examples
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iex> get_logo()
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%Image{}
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"""
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def get_logo do
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Repo.one(from i in ImageSchema, where: i.image_type == "logo", order_by: [desc: i.inserted_at], limit: 1)
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end
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@doc """
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Gets the current header image.
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## Examples
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iex> get_header()
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%Image{}
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"""
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def get_header do
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Repo.one(from i in ImageSchema, where: i.image_type == "header", order_by: [desc: i.inserted_at], limit: 1)
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end
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@doc """
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Deletes an image.
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## Examples
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iex> delete_image(image)
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{:ok, %Image{}}
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"""
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def delete_image(%ImageSchema{} = image) do
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Repo.delete(image)
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end
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@doc """
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Lists all images of a specific type.
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## Examples
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iex> list_images_by_type("logo")
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[%Image{}, ...]
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"""
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def list_images_by_type(type) do
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Repo.all(from i in ImageSchema, where: i.image_type == ^type, order_by: [desc: i.inserted_at])
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end
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end
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