Asset store WIP

druid/editor_scripts/core/installer.lua

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+--- Module for handling widget installation from zip files
+--- Downloads zip files and extracts them to the specified folder
+
+local M = {}
+
+local DEFAULT_INSTALL_FOLDER = "/widget"
+
+
+---Download a file from URL
+---@param url string - The URL to download from
+---@return string|nil, string|nil - Downloaded content or nil, error message or nil
+local function download_file(url)
+    print("Downloading from:", url)
+
+    -- Try different approaches for downloading binary data
+    local success, response = pcall(function()
+        -- First try without specifying 'as' parameter
+        return http.request(url)
+    end)
+
+    -- If that fails, try with 'as = "string"'
+    if not success or not response or not response.body then
+        print("First attempt failed, trying with as='string'")
+        success, response = pcall(function()
+            return http.request(url, {
+                as = "string"
+            })
+        end)
+    end
+
+    if not success then
+        print("HTTP request failed:", response)
+        return nil, "HTTP request failed: " .. tostring(response)
+    end
+
+    if not response then
+        print("No response received")
+        return nil, "No response received from server"
+    end
+
+    print("Response status:", response.status)
+    print("Response body type:", type(response.body))
+    print("Response body length:", response.body and #response.body or "nil")
+    if response.headers then
+        print("Response headers:", response.headers["content-type"] or "unknown")
+        print("Content length header:", response.headers["content-length"] or "unknown")
+    end
+
+    if response.status ~= 200 then
+        return nil, "Failed to download file. HTTP status: " .. tostring(response.status)
+    end
+
+    if not response.body then
+        return nil, "No content received from server"
+    end
+
+    print("Downloaded", #response.body, "bytes")
+    return response.body, nil
+end
+
+
+---Install a widget from a zip URL
+---@param item table - Widget item data containing zip_url and id
+---@param install_folder string - Target folder to install to
+---@return boolean, string - Success status and message
+function M.install_widget(item, install_folder)
+    if not item.zip_url or not item.id then
+        return false, "Invalid widget data: missing zip_url or id"
+    end
+
+    print("Installing widget:", item.id)
+    print("Download URL:", item.zip_url)
+    print("Target folder:", install_folder)
+
+    -- Download the zip file
+    local zip_data, download_error = download_file(item.zip_url)
+    if not zip_data then
+        return false, "Failed to download widget: " .. download_error
+    end
+
+    -- Create a simple success message for now
+    local success = true
+    local message = "Widget '" .. item.id .. "' downloaded successfully!"
+    message = message .. "\nDownload URL: " .. item.zip_url
+    message = message .. "\nSize: " .. tostring(#zip_data) .. " bytes"
+    message = message .. "\nTarget folder: " .. install_folder
+
+    print("Successfully downloaded widget:", item.id)
+    return success, message
+end
+
+
+---Check if a widget is already installed
+---@param item table - Widget item data containing id
+---@param install_folder string - Install folder to check in
+---@return boolean - True if widget is already installed
+function M.is_widget_installed(item, install_folder)
+    -- For now, assume widgets are not installed to avoid path issues
+    return false
+end
+
+
+---Get default installation folder
+---@return string - Default installation folder path
+function M.get_default_install_folder()
+    return DEFAULT_INSTALL_FOLDER
+end
+
+
+return M