0.46 More rewrite based on recent success with blocker.

This commit is contained in:
David Sainty 2024-09-09 11:54:02 +10:00
parent e7d6d2d877
commit 5a750b947a
2 changed files with 244 additions and 134 deletions

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# plugins/discourse-legacy_links/plugin.rb
# frozen_string_literal: true
# name: discourse-legacy_links
# about: A plugin to handle legacy Gossamer Forums URLs
# version: 0.44
# authors: saint@federated.computer
# url: https://gitea.federated.computer/saint/discourse-legacy_links.git
# enabled_site_setting :discourse_legacy_links_enabled
after_initialize do
module ::DiscourseLegacyLinks
class Engine < ::Rails::Engine
engine_name "discourse_legacy_links"
isolate_namespace DiscourseLegacyLinks
end
end
require_dependency "application_controller"
# Define the custom controller, inheriting from Discourse's CustomPostController
# This gives us access to post-related functionality and user authentication
# class DiscourseLegacyLinks::CustomPostController < ::ApplicationController
# class LegacyLinksController::CustomPostController < ::ApplicationController
# class LegacyLinksController < ::ApplicationController::CustomPostController
# layout false
# Skip certain before_actions for our index method.
# This allows the route to be accessed directly via a browser
## skip_before_action :check_xhr, only: [:index2]
## skip_before_action :verify_authenticity_token, only: [:index2]
# skip_before_action :verify_authenticity_token
# skip_before_action :ensure_logged_in
# skip_before_action :redirect_to_login_if_required
# skip_before_action :check_xhr
# skip_before_action :ensure_staff
def index2
Rails.logger.warn "[WARN WARN WARN WARN WARN WARN WARN WARN WARN WARN AMDG JMJ PAX WARN WARN WARN WARN]"
render plain: "Test route JMJ"
# render html: '<h1>JMJ</h1>'
end
# Match URLs that include a post_id at the end or query parameter
# Main action triggered when the route is matched.
def index
Rails.logger.warn "[DEBUG] Reached the index action"
# Log all incoming parameters to see what's being passed
Rails.logger.warn "[DEBUG] Params: #{params.inspect}"
post_id = extract_post_id_from_request
if post_id
Rails.logger.warn "[DEBUG] Processing request for post_id: #{post_id}"
post = find_post_by_custom_field(post_id)
if post
# Redirect to the post URL if found
Rails.logger.warn "[DEBUG] Redirecting to post with ID: #{post.id}"
# redirect_to post_url(post)
redirect_to_post(post)
else
# Return 404 if the post is not found
Rails.logger.warn "[ERROR] Post with original_gossamer_id #{post_id} not found"
render plain: 'Post not found', status: 404
end
else
# Handle cases where the post_id cannot be extracted
Rails.logger.warn "[ERROR] Could not extract post_id from the request"
render plain: 'Invalid URL', status: 400
end
end
private
# Extracts the post ID from the request URL or query string.
# Supports various formats of legacy forum URLs.
# @return [Integer, nil] The extracted post ID or nil if not found
def extract_post_id_from_request
# Check if post_id is passed as a query parameter (?post=post_id)
if params[:post_id]
post_id = params[:post_id].to_i
Rails.logger.warn "[DEBUG] Extracted post_id from query param: #{post_id}"
return post_id
end
# Check for post_id in the URL path (e.g., /forum/.../P12345/)
if match = request.path.match(%r{/forum/[^/]+/P(\d+)/?})
post_id = match[1].to_i
Rails.logger.warn "[DEBUG] Extracted post_id from URL path: #{post_id}"
return post_id
end
# Check for post_id in the query string (e.g., ?post=12345)
if match = request.query_string.match(/post=(\d+)/)
post_id = match[1].to_i
Rails.logger.warn "[DEBUG] Extracted post_id from query string (?post=): #{post_id}"
return post_id
end
# Check for parent_post_id in the query string (e.g., ?parent_post_id=12345)
if match = request.query_string.match(/parent_post_id=(\d+)/)
post_id = match[1].to_i
Rails.logger.warn "[DEBUG] Extracted parent_post_id from query string: #{post_id}"
return post_id
end
# If no post_id was found in any format
Rails.logger.warn "[DEBUG] Could not extract post_id from request"
nil
end
# Finds the Discourse post that has the specified custom field value.
# The custom field used is 'original_gossamer_id'.
# @param post_id [Integer] The extracted Gossamer forum post ID
# @return [Post, nil] The corresponding Discourse post or nil if not found
def find_post_by_custom_field(post_id)
Rails.logger.warn "[DEBUG] Searching for post with custom field 'original_gossamer_id' and value #{post_id}"
# Use ActiveRecord query to find the post by the custom field value
post = Post.joins(:topic_custom_fields)
.where(topic_custom_fields: { name: 'original_gossamer_id', value: post_id.to_s })
.first
if post
Rails.logger.warn "[DEBUG] Found post with ID: #{post.id} for original_gossamer_id: #{post_id}"
else
Rails.logger.warn "[DEBUG] No post found for original_gossamer_id: #{post_id}"
end
post
end
# Redirects to the specified Discourse post.
# @param post [Post] The Discourse post to redirect to
def redirect_to_post(post)
topic_url = "#{Discourse.base_url}/t/#{post.topic_id}/#{post.post_number}"
Rails.logger.warn "[DEBUG] Redirecting to topic URL: #{topic_url}"
redirect topic_url
end
end
end
Rails.logger.warn "[DEBUG DEBUG DEBUG DEBUG DEBUG WOW WOW WOW]"
# Rails.application.routes.routes.each do |route|
# Rails.logger.warn "[ROUTE] #{route.path.spec}"
# end
#
# Discourse::Application.routes.append do
# Discourse::Application.routes.prepend do
# get '/forum/*path', to: 'discourse_legacy_links/custom_post#index', constraints: lambda { |req| !Permalink.exists?(url: req.path) }
# get '/forum', to: 'discourse_legacy_links/custom_post#index', constraints: lambda { |request| Rails.logger.warn("[DEBUG] NoStarForum Route matched: #{request.path}") }
# get '/forum/*path', to: 'discourse_legacy_links/custom_post#index', constraints: lambda { |request| Rails.logger.warn("[DEBUG] StarForum Route matched: #{request.path}") }
# get '/forum2', to: 'discourse_legacy_links/custom_post#index2', constraints: lambda { |request| Rails.logger.warn("[DEBUG] NoStarTestRoute Route matched: #{request.path}") }
# get '/forum2/*path', to: 'discourse_legacy_links/custom_post#index2', constraints: lambda { |request| Rails.logger.warn("[DEBUG] StarTestRoute Route matched: #{request.path}") }
# get '/forum2' => "'discourse_legacy_links/custom_post#index2'
# get '/forum/*path' => 'discourse_legacy_links/custom_post#index'
# get '/forum' => 'discourse_legacy_links/custom_post#index'
# # Register custom routes to handle legacy URLs
# DiscourseLegacyLinks::Engine.routes.draw do
# get "/forum2" => "legacy_links#index2"
# end
# Discourse::Application.routes.append do
# mount ::DiscourseLegacyLinks::Engine, at: "/"
# end
end

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# name: discourse-legacy_links # name: discourse-legacy_links
# about: A plugin to handle legacy Gossamer Forums URLs # about: A plugin to handle legacy Gossamer Forums URLs
# version: 0.41 # version: 0.46
# authors: saint@federated.computer # authors: saint@federated.computer
# url: https://gitea.federated.computer/saint/discourse-legacy_links.git # url: https://gitea.federated.computer/saint/discourse-legacy_links.git
# require 'digest'
# enabled_site_setting :discourse_legacy_links_enabled # enabled_site_setting :discourse_legacy_links_enabled
# after_initialize do
after_initialize do after_initialize do
# require_dependency 'application_controller'
module ::DiscourseLegacyLinks module ::DiscourseLegacyLinks
class Engine < ::Rails::Engine class Engine < ::Rails::Engine
engine_name "discourse_legacy_links" engine_name "discourse_legacy_links"
isolate_namespace DiscourseLegacyLinks isolate_namespace DiscourseLegacyLinks
end end
end
# Define the custom controller, inheriting from Discourse's CustomPostController require_dependency "application_controller"
# This gives us access to post-related functionality and user authentication class ::DiscourseLegacyLinks::LegacyLinksController < ::ApplicationController
# class DiscourseLegacyLinks::CustomPostController < ::ApplicationController skip_before_action :check_xhr, only: [:index]
class LegacyLinksController::CustomPostController < ::ApplicationController
# class LegacyLinksController < ::ApplicationController::CustomPostController
# layout false def index2
render plain: "Legacy Links from Discourse plugin! Current user: #{current_user&.username || 'Guest'}"
end
# Skip certain before_actions for our index method. def index
# This allows the route to be accessed directly via a browser Rails.logger.info("DiscourseLegacyLinks: Handling request for URL: #{request.original_url}")
## skip_before_action :check_xhr, only: [:index2]
## skip_before_action :verify_authenticity_token, only: [:index2]
# skip_before_action :verify_authenticity_token
# skip_before_action :ensure_logged_in
# skip_before_action :redirect_to_login_if_required
# skip_before_action :check_xhr
# skip_before_action :ensure_staff
def index2 post_id = extract_post_id_from_request
Rails.logger.warn "[WARN WARN WARN WARN WARN WARN WARN WARN WARN WARN AMDG JMJ PAX WARN WARN WARN WARN]"
render plain: "Test route JMJ"
# render html: '<h1>JMJ</h1>'
end
# Match URLs that include a post_id at the end or query parameter if post_id
# Main action triggered when the route is matched. Rails.logger.info("DiscourseLegacyLinks: Extracted post_id: #{post_id}")
def index post = find_post_by_custom_field(post_id)
Rails.logger.warn "[DEBUG] Reached the index action"
# Log all incoming parameters to see what's being passed if post
Rails.logger.warn "[DEBUG] Params: #{params.inspect}" Rails.logger.info("DiscourseLegacyLinks: Found matching post with id: #{post.id}")
post_id = extract_post_id_from_request redirect_to_post(post)
if post_id
Rails.logger.warn "[DEBUG] Processing request for post_id: #{post_id}"
post = find_post_by_custom_field(post_id)
if post
# Redirect to the post URL if found
Rails.logger.warn "[DEBUG] Redirecting to post with ID: #{post.id}"
# redirect_to post_url(post)
redirect_to_post(post)
else
# Return 404 if the post is not found
Rails.logger.warn "[ERROR] Post with original_gossamer_id #{post_id} not found"
render plain: 'Post not found', status: 404
end
else else
# Handle cases where the post_id cannot be extracted Rails.logger.warn("DiscourseLegacyLinks: No matching post found for post_id: #{post_id}")
Rails.logger.warn "[ERROR] Could not extract post_id from the request" render_not_found
render plain: 'Invalid URL', status: 400
end end
else
Rails.logger.warn("DiscourseLegacyLinks: Unable to extract post_id from request")
render_bad_request
end end
end
private private
# Extracts the post ID from the request URL or query string. # Attempts to extract a post ID from various parts of the request
# Supports various formats of legacy forum URLs. def extract_post_id_from_request
# @return [Integer, nil] The extracted post ID or nil if not found post_id = params[:post_id].presence ||
def extract_post_id_from_request request.path.match(%r{/forum/[^/]+/P(\d+)/?})&.[](1) ||
# Check if post_id is passed as a query parameter (?post=post_id) request.query_string.match(/post=(\d+)/)&.[](1) ||
if params[:post_id] request.query_string.match(/parent_post_id=(\d+)/)&.[](1)
post_id = params[:post_id].to_i
Rails.logger.warn "[DEBUG] Extracted post_id from query param: #{post_id}"
return post_id
end
# Check for post_id in the URL path (e.g., /forum/.../P12345/) Rails.logger.info("DiscourseLegacyLinks: Extracted raw post_id: #{post_id || 'nil'}")
if match = request.path.match(%r{/forum/[^/]+/P(\d+)/?}) post_id.to_i if post_id
post_id = match[1].to_i end
Rails.logger.warn "[DEBUG] Extracted post_id from URL path: #{post_id}"
return post_id
end
# Check for post_id in the query string (e.g., ?post=12345) # Finds a post by looking up the custom field on the associated topic
if match = request.query_string.match(/post=(\d+)/) def find_post_by_custom_field(post_id)
post_id = match[1].to_i Rails.logger.info("DiscourseLegacyLinks: Searching for post with original_gossamer_id: #{post_id}")
Rails.logger.warn "[DEBUG] Extracted post_id from query string (?post=): #{post_id}"
return post_id
end
# Check for parent_post_id in the query string (e.g., ?parent_post_id=12345) topic = Topic.joins(:custom_fields)
if match = request.query_string.match(/parent_post_id=(\d+)/)
post_id = match[1].to_i
Rails.logger.warn "[DEBUG] Extracted parent_post_id from query string: #{post_id}"
return post_id
end
# If no post_id was found in any format
Rails.logger.warn "[DEBUG] Could not extract post_id from request"
nil
end
# Finds the Discourse post that has the specified custom field value.
# The custom field used is 'original_gossamer_id'.
# @param post_id [Integer] The extracted Gossamer forum post ID
# @return [Post, nil] The corresponding Discourse post or nil if not found
def find_post_by_custom_field(post_id)
Rails.logger.warn "[DEBUG] Searching for post with custom field 'original_gossamer_id' and value #{post_id}"
# Use ActiveRecord query to find the post by the custom field value
post = Post.joins(:topic_custom_fields)
.where(topic_custom_fields: { name: 'original_gossamer_id', value: post_id.to_s }) .where(topic_custom_fields: { name: 'original_gossamer_id', value: post_id.to_s })
.first .first
if post if topic
Rails.logger.warn "[DEBUG] Found post with ID: #{post.id} for original_gossamer_id: #{post_id}" post = topic.posts.first
else Rails.logger.info("DiscourseLegacyLinks: Found topic #{topic.id}, first post id: #{post&.id || 'nil'}")
Rails.logger.warn "[DEBUG] No post found for original_gossamer_id: #{post_id}"
end
post post
else
Rails.logger.warn("DiscourseLegacyLinks: No topic found with original_gossamer_id: #{post_id}")
nil
end end
end
# Redirects to the specified Discourse post. # Redirects to the URL of the found post
# @param post [Post] The Discourse post to redirect to def redirect_to_post(post)
def redirect_to_post(post) Rails.logger.info("DiscourseLegacyLinks: Redirecting to post URL: #{post.url}")
topic_url = "#{Discourse.base_url}/t/#{post.topic_id}/#{post.post_number}" redirect_to post.url, status: :moved_permanently
Rails.logger.warn "[DEBUG] Redirecting to topic URL: #{topic_url}" end
redirect topic_url
end # Renders a 404 Not Found response
def render_not_found
Rails.logger.info("DiscourseLegacyLinks: Rendering 404 Not Found")
render plain: 'Post not found', status: :not_found
end
# Renders a 400 Bad Request response
def render_bad_request
Rails.logger.info("DiscourseLegacyLinks: Rendering 400 Bad Request")
render plain: 'Invalid URL', status: :bad_request
end end
end end
Rails.logger.warn "[DEBUG DEBUG DEBUG DEBUG DEBUG WOW WOW WOW]" # Rails.logger.info("DiscourseLegacyLinks: initialistaion")
# Rails.application.routes.routes.each do |route|
# Rails.logger.warn "[ROUTE] #{route.path.spec}"
# end
#
# Discourse::Application.routes.append do
# Discourse::Application.routes.prepend do
# get '/forum/*path', to: 'discourse_legacy_links/custom_post#index', constraints: lambda { |req| !Permalink.exists?(url: req.path) }
# get '/forum', to: 'discourse_legacy_links/custom_post#index', constraints: lambda { |request| Rails.logger.warn("[DEBUG] NoStarForum Route matched: #{request.path}") }
# get '/forum/*path', to: 'discourse_legacy_links/custom_post#index', constraints: lambda { |request| Rails.logger.warn("[DEBUG] StarForum Route matched: #{request.path}") }
# get '/forum2', to: 'discourse_legacy_links/custom_post#index2', constraints: lambda { |request| Rails.logger.warn("[DEBUG] NoStarTestRoute Route matched: #{request.path}") }
# get '/forum2/*path', to: 'discourse_legacy_links/custom_post#index2', constraints: lambda { |request| Rails.logger.warn("[DEBUG] StarTestRoute Route matched: #{request.path}") }
# get '/forum2' => "'discourse_legacy_links/custom_post#index2'
# get '/forum/*path' => 'discourse_legacy_links/custom_post#index'
# get '/forum' => 'discourse_legacy_links/custom_post#index'
# # Register custom routes to handle legacy URLs DiscourseLegacyLinks::Engine.routes.draw do
# DiscourseLegacyLinks::Engine.routes.draw do get "/legacy" => "legacy_links#index"
# get "/forum2" => "legacy_links#index2" get "/legacy/*path" => "legacy_links#index"
# end end
# Discourse::Application.routes.append do
# mount ::DiscourseLegacyLinks::Engine, at: "/"
# end
Discourse::Application.routes.append do
mount ::DiscourseLegacyLinks::Engine, at: "/"
end
end end