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Fix #28 - Ajoute la fonctionnalité de vérification automatique des mises à jour pour le plugin Piwigo Publisher.
--- INSTRUCTIONS : Avant utilisation, il faudra créer une première GitHub Release avec un tag au format YYYYMMDD.revision (ex: 20260121.1) pour que le système fonctionne.
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‎piwigoPublish.lrplugin/Init.lua‎

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@@ -74,5 +74,19 @@ _G.PiwigoBusy = false
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_G.RenderPhotos = false
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_G.iconPath = _PLUGIN:resourceId("icons/icon_med.png")
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_G.pluginVersion = "20260111.26"
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-- Auto-update checker
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_G.UpdateChecker = require "UpdateChecker"
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-- Check for updates on plugin load (silent check)
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LrTasks.startAsyncTask(function()
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-- Wait for Lightroom to fully load
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LrTasks.sleep(5)
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-- Only check if interval has passed
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if UpdateChecker.shouldCheckForUpdates() then
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log:info("Init - performing automatic update check")
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UpdateChecker.checkForUpdates(true) -- silent = true
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end
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end)
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--_G.LocStrings = utils.loadStrings()
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‎piwigoPublish.lrplugin/PluginInfoDialogSections.lua‎

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@@ -21,10 +21,16 @@
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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]]
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local LrHttp = import 'LrHttp'
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PluginInfoDialogSections = {}
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-- *************************************************
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function PluginInfoDialogSections.startDialog(propertyTable)
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-- Initialize update status
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propertyTable.updateStatus = UpdateChecker.getUpdateStatus()
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if prefs.debugEnabled == nil then
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prefs.debugEnabled = false
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end
@@ -52,6 +58,43 @@ function PluginInfoDialogSections.sectionsForBottomOfDialog(f, propertyTable)
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return {
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{
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bind_to_object = propertyTable,
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title = "Plugin Updates",
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f:row {
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f:static_text {
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title = "Current version: " .. pluginVersion,
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alignment = 'left',
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},
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},
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f:row {
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f:static_text {
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title = bind 'updateStatus',
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alignment = 'left',
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},
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},
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f:row {
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f:push_button {
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title = "Check for Updates",
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action = function()
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UpdateChecker.checkForUpdates(false) -- silent = false
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end,
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},
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f:push_button {
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title = "Visit GitHub Repository",
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action = function()
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LrHttp.openUrlInBrowser(
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"https://github.com/" ..
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UpdateChecker.GITHUB_OWNER .. "/" ..
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UpdateChecker.GITHUB_REPO
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)
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end,
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},
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},
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},
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{
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bind_to_object = propertyTable,
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‎piwigoPublish.lrplugin/UpdateChecker.lua‎

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--[[
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UpdateChecker.lua
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Auto-update functionality for Piwigo Publisher plugin
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Checks GitHub Releases API for new versions
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Copyright (C) 2024 Fiona Boston <fiona@fbphotography.uk>.
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Copyright (C) 2026 Julien Moreau <contact@julien-moreau.fr>.
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This file is part of PiwigoPublish
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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 General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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]]
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local LrHttp = import 'LrHttp'
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local LrTasks = import 'LrTasks'
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local LrDialogs = import 'LrDialogs'
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local LrDate = import 'LrDate'
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local UpdateChecker = {}
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-- Configuration
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UpdateChecker.GITHUB_OWNER = "Piwigo"
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UpdateChecker.GITHUB_REPO = "PiwigoPublish-lrc-plugin"
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UpdateChecker.CHECK_INTERVAL_DAYS = 1
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-- *************************************************
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function UpdateChecker.parseVersion(versionStr)
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-- Converts version string like "20260111.26" to comparable number
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-- Format: YYYYMMDD.revision
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if not versionStr or versionStr == "" then
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return 0
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end
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-- Remove 'v' prefix if present
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versionStr = versionStr:gsub("^[vV]", "")
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local major, minor = versionStr:match("^(%d+)%.?(%d*)")
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if major then
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minor = minor or "0"
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return tonumber(major) * 1000 + tonumber(minor)
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end
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return 0
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end
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-- *************************************************
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function UpdateChecker.shouldCheckForUpdates()
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-- Returns true if enough time has passed since last check
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local lastCheck = prefs.lastUpdateCheck or 0
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local now = LrDate.currentTime()
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local daysSinceCheck = (now - lastCheck) / (24 * 60 * 60)
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log:info("UpdateChecker.shouldCheckForUpdates - days since last check: " .. string.format("%.1f", daysSinceCheck))
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return daysSinceCheck >= UpdateChecker.CHECK_INTERVAL_DAYS
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end
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-- *************************************************
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function UpdateChecker.checkForUpdates(silent)
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log:info("UpdateChecker.checkForUpdates - silent: " .. tostring(silent))
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LrTasks.startAsyncTask(function()
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-- Build GitHub API URL
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local url = string.format(
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"https://api.github.com/repos/%s/%s/releases/latest",
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UpdateChecker.GITHUB_OWNER,
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UpdateChecker.GITHUB_REPO
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)
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log:info("UpdateChecker.checkForUpdates - fetching: " .. url)
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-- Make HTTP request
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local response, headers = LrHttp.get(url, {
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{ field = "Accept", value = "application/vnd.github.v3+json" },
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{ field = "User-Agent", value = "PiwigoPublish-Lightroom-Plugin" }
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})
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log:info("UpdateChecker.checkForUpdates - HTTP status: " .. tostring(headers and headers.status))
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-- Update last check timestamp
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prefs.lastUpdateCheck = LrDate.currentTime()
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-- Handle errors
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if not response or (headers and headers.status ~= 200) then
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log:info("UpdateChecker.checkForUpdates - failed to fetch release info")
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if not silent then
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LrDialogs.message(
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"Update Check Failed",
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"Could not connect to GitHub to check for updates.\nPlease check your internet connection.",
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"warning"
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)
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end
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return
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end
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-- Parse JSON response
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local ok, data = pcall(function() return JSON:decode(response) end)
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if not ok or not data then
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log:info("UpdateChecker.checkForUpdates - failed to parse JSON response")
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if not silent then
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LrDialogs.message(
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"Update Check Failed",
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"Could not parse update information from GitHub.",
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"warning"
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)
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end
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return
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end
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-- Extract version info
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local remoteVersion = data.tag_name
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if not remoteVersion then
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log:info("UpdateChecker.checkForUpdates - no tag_name in response")
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if not silent then
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LrDialogs.message(
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"Update Check Failed",
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"No release information found on GitHub.",
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"warning"
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)
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end
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return
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end
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log:info("UpdateChecker.checkForUpdates - remote version: " .. remoteVersion)
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log:info("UpdateChecker.checkForUpdates - current version: " .. pluginVersion)
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local currentNum = UpdateChecker.parseVersion(pluginVersion)
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local remoteNum = UpdateChecker.parseVersion(remoteVersion)
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log:info("UpdateChecker.checkForUpdates - currentNum: " .. currentNum .. ", remoteNum: " .. remoteNum)
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if remoteNum > currentNum then
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-- New version available
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local changelog = data.body or "No changelog available."
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-- Truncate changelog if too long
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if #changelog > 500 then
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changelog = changelog:sub(1, 500) .. "..."
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end
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local downloadUrl = data.html_url or
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string.format("https://github.com/%s/%s/releases/latest",
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UpdateChecker.GITHUB_OWNER, UpdateChecker.GITHUB_REPO)
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-- Store for later use
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prefs.latestVersion = remoteVersion
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prefs.latestVersionUrl = downloadUrl
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log:info("UpdateChecker.checkForUpdates - new version available!")
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local result = LrDialogs.confirm(
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"Update Available",
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string.format(
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"A new version of Piwigo Publisher is available!\n\n" ..
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"Current version: %s\n" ..
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"New version: %s\n\n" ..
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"Changes:\n%s\n\n" ..
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"Would you like to download it now?",
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pluginVersion,
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remoteVersion,
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changelog
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),
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"Download",
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"Later"
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)
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if result == "ok" then
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UpdateChecker.openDownloadPage(downloadUrl)
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end
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else
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log:info("UpdateChecker.checkForUpdates - already up to date")
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if not silent then
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LrDialogs.message(
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"No Updates Available",
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string.format("You are running the latest version (%s).", pluginVersion),
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"info"
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)
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end
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end
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end)
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end
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-- *************************************************
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function UpdateChecker.openDownloadPage(url)
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log:info("UpdateChecker.openDownloadPage - opening: " .. url)
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LrHttp.openUrlInBrowser(url)
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LrDialogs.message(
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"Download Started",
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"The download page has been opened in your browser.\n\n" ..
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"After downloading:\n" ..
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"1. Quit Lightroom Classic\n" ..
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"2. Replace the plugin folder with the new version\n" ..
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"3. Restart Lightroom Classic",
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"info"
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)
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end
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-- *************************************************
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function UpdateChecker.getUpdateStatus()
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-- Returns a status string for display in Plugin Manager
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local latestVersion = prefs.latestVersion
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local currentNum = UpdateChecker.parseVersion(pluginVersion)
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local latestNum = UpdateChecker.parseVersion(latestVersion or "")
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if latestNum > currentNum then
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return string.format("Update available: %s", latestVersion)
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else
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return "Up to date"
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end
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end
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return UpdateChecker

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