Refactor ContentDB integration (#14507)

builtin/mainmenu/content/dlg_install.lua

@@ -0,0 +1,152 @@
+--Minetest
+--Copyright (C) 2018-24 rubenwardy
+--
+--This program is free software; you can redistribute it and/or modify
+--it under the terms of the GNU Lesser General Public License as published by
+--the Free Software Foundation; either version 2.1 of the License, or
+--(at your option) any later version.
+--
+--This program is distributed in the hope that it will be useful,
+--but WITHOUT ANY WARRANTY; without even the implied warranty of
+--MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+--GNU Lesser General Public License for more details.
+--
+--You should have received a copy of the GNU Lesser General Public License along
+--with this program; if not, write to the Free Software Foundation, Inc.,
+--51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+local function get_formspec(data)
+	local selected_game, selected_game_idx = pkgmgr.find_by_gameid(core.settings:get("menu_last_game"))
+	if not selected_game_idx then
+		selected_game_idx = 1
+		selected_game = pkgmgr.games[1]
+	end
+
+	local game_list = {}
+	for i, game in ipairs(pkgmgr.games) do
+		game_list[i] = core.formspec_escape(game.title)
+	end
+
+	local package = data.package
+	local will_install_deps = data.will_install_deps
+
+	local deps_to_install = 0
+	local deps_not_found = 0
+
+	data.dependencies = contentdb.resolve_dependencies(package, selected_game)
+	local formatted_deps = {}
+	for _, dep in pairs(data.dependencies) do
+		formatted_deps[#formatted_deps + 1] = "#fff"
+		formatted_deps[#formatted_deps + 1] = core.formspec_escape(dep.name)
+		if dep.installed then
+			formatted_deps[#formatted_deps + 1] = "#ccf"
+			formatted_deps[#formatted_deps + 1] = fgettext("Already installed")
+		elseif dep.package then
+			formatted_deps[#formatted_deps + 1] = "#cfc"
+			formatted_deps[#formatted_deps + 1] = fgettext("$1 by $2", dep.package.title, dep.package.author)
+			deps_to_install = deps_to_install + 1
+		else
+			formatted_deps[#formatted_deps + 1] = "#f00"
+			formatted_deps[#formatted_deps + 1] = fgettext("Not found")
+			deps_not_found = deps_not_found + 1
+		end
+	end
+
+	local message_bg = "#3333"
+	local message
+	if will_install_deps then
+		message = fgettext("$1 and $2 dependencies will be installed.", package.title, deps_to_install)
+	else
+		message = fgettext("$1 will be installed, and $2 dependencies will be skipped.", package.title, deps_to_install)
+	end
+	if deps_not_found > 0 then
+		message = fgettext("$1 required dependencies could not be found.", deps_not_found) ..
+				" " .. fgettext("Please check that the base game is correct.", deps_not_found) ..
+				"\n" .. message
+		message_bg = mt_color_orange
+	end
+
+	local formspec = {
+		"formspec_version[3]",
+		"size[7,7.85]",
+		"style[title;border=false]",
+		"box[0,0;7,0.5;#3333]",
+		"button[0,0;7,0.5;title;", fgettext("Install $1", package.title) , "]",
+
+		"container[0.375,0.70]",
+
+		"label[0,0.25;", fgettext("Base Game:"), "]",
+		"dropdown[2,0;4.25,0.5;selected_game;", table.concat(game_list, ","), ";", selected_game_idx, "]",
+
+		"label[0,0.8;", fgettext("Dependencies:"), "]",
+
+		"tablecolumns[color;text;color;text]",
+		"table[0,1.1;6.25,3;packages;", table.concat(formatted_deps, ","), "]",
+
+		"container_end[]",
+
+		"checkbox[0.375,5.1;will_install_deps;",
+		fgettext("Install missing dependencies"), ";",
+		will_install_deps and "true" or "false", "]",
+
+		"box[0,5.4;7,1.2;", message_bg, "]",
+		"textarea[0.375,5.5;6.25,1;;;", message, "]",
+
+		"container[1.375,6.85]",
+		"button[0,0;2,0.8;install_all;", fgettext("Install"), "]",
+		"button[2.25,0;2,0.8;cancel;", fgettext("Cancel"), "]",
+		"container_end[]",
+	}
+
+	return table.concat(formspec)
+end
+
+
+local function handle_submit(this, fields)
+	local data = this.data
+	if fields.cancel then
+		this:delete()
+		return true
+	end
+
+	if fields.will_install_deps ~= nil then
+		data.will_install_deps = core.is_yes(fields.will_install_deps)
+		return true
+	end
+
+	if fields.install_all then
+		contentdb.queue_download(data.package, contentdb.REASON_NEW)
+
+		if data.will_install_deps then
+			for _, dep in pairs(data.dependencies) do
+				if not dep.is_optional and not dep.installed and dep.package then
+					contentdb.queue_download(dep.package, contentdb.REASON_DEPENDENCY)
+				end
+			end
+		end
+
+		this:delete()
+		return true
+	end
+
+	if fields.selected_game then
+		for _, game in pairs(pkgmgr.games) do
+			if game.title == fields.selected_game then
+				core.settings:set("menu_last_game", game.id)
+				break
+			end
+		end
+		return true
+	end
+
+	return false
+end
+
+
+function create_install_dialog(package)
+	local dlg = dialog_create("install_dialog", get_formspec, handle_submit, nil)
+	dlg.data.dependencies = nil
+	dlg.data.package = package
+	dlg.data.will_install_deps = true
+	return dlg
+end