mirror of https://github.com/minetest/minetest.git
145 lines
3.5 KiB
Lua
145 lines
3.5 KiB
Lua
--Minetest
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--Copyright (C) 2023 rubenwardy
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--
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--This program is free software; you can redistribute it and/or modify
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--it under the terms of the GNU Lesser General Public License as published by
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--the Free Software Foundation; either version 2.1 of the License, or
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--(at your option) any later version.
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--
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--This program is distributed in the hope that it will be useful,
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--but WITHOUT ANY WARRANTY; without even the implied warranty of
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--MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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--GNU Lesser General Public License for more details.
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--
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--You should have received a copy of the GNU Lesser General Public License along
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--with this program; if not, write to the Free Software Foundation, Inc.,
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--51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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update_detector = {}
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if not core.get_http_api then
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update_detector.get_all = function() return {} end
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update_detector.get_count = function() return 0 end
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return
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end
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local has_fetched = false
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local latest_releases
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local function fetch_latest_releases()
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local version = core.get_version()
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local base_url = core.settings:get("contentdb_url")
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local url = base_url ..
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"/api/updates/?type=mod&type=game&type=txp&protocol_version=" ..
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core.get_max_supp_proto() .. "&engine_version=" .. core.urlencode(version.string)
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local http = core.get_http_api()
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local response = http.fetch_sync({ url = url })
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if not response.succeeded then
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return
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end
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return core.parse_json(response.data)
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end
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--- Get a table from package key (author/name) to latest release id
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---
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--- @param callback function that takes a single argument, table or nil
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local function get_latest_releases(callback)
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core.handle_async(fetch_latest_releases, nil, callback)
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end
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local function has_packages_from_cdb()
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pkgmgr.refresh_globals()
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pkgmgr.update_gamelist()
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for _, content in pairs(pkgmgr.get_all()) do
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if content.author and content.release > 0 then
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return true
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end
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end
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return false
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end
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--- @returns a new table with all keys lowercase
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local function lowercase_keys(tab)
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local ret = {}
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for key, value in pairs(tab) do
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ret[key:lower()] = value
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end
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return ret
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end
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local function fetch()
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if has_fetched or not has_packages_from_cdb() then
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return
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end
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has_fetched = true
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get_latest_releases(function(releases)
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if not releases then
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has_fetched = false
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return
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end
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latest_releases = lowercase_keys(releases)
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if update_detector.get_count() > 0 then
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local maintab = ui.find_by_name("maintab")
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if not maintab.hidden then
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ui.update()
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end
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end
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end)
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end
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--- @returns a list of content with an update available
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function update_detector.get_all()
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if latest_releases == nil then
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fetch()
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return {}
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end
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pkgmgr.refresh_globals()
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pkgmgr.update_gamelist()
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local ret = {}
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local all_content = pkgmgr.get_all()
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for _, content in ipairs(all_content) do
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if content.author and content.release > 0 then
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-- The backend will account for aliases in `latest_releases`
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local id = content.author:lower() .. "/"
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if content.type == "game" then
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id = id .. content.id
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else
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id = id .. content.name
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end
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local latest_release = latest_releases[id]
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if not latest_release and content.type == "game" then
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latest_release = latest_releases[id .. "_game"]
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end
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if latest_release and latest_release > content.release then
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ret[#ret + 1] = content
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end
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end
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end
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return ret
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end
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--- @return number of packages with updates available
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function update_detector.get_count()
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return #update_detector.get_all()
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end
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