499 lines
14 KiB
Ruby
499 lines
14 KiB
Ruby
require_dependency 'topic_view'
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require_dependency 'promotion'
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require_dependency 'url_helper'
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require_dependency 'topics_bulk_action'
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class TopicsController < ApplicationController
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include UrlHelper
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before_filter :ensure_logged_in, only: [:timings,
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:destroy_timings,
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:update,
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:star,
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:destroy,
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:recover,
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:status,
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:invite,
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:mute,
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:unmute,
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:set_notifications,
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:move_posts,
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:merge_topic,
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:clear_pin,
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:re_pin,
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:autoclose,
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:bulk,
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:reset_new,
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:change_post_owners]
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before_filter :consider_user_for_promotion, only: :show
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skip_before_filter :check_xhr, only: [:show, :feed]
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def id_for_slug
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topic = Topic.find_by(slug: params[:slug].downcase)
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guardian.ensure_can_see!(topic)
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raise Discourse::NotFound unless topic
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render json: {slug: topic.slug, topic_id: topic.id, url: topic.url}
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end
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def show
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flash["referer"] ||= request.referer
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# We'd like to migrate the wordpress feed to another url. This keeps up backwards compatibility with
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# existing installs.
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return wordpress if params[:best].present?
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opts = params.slice(:username_filters, :filter, :page, :post_number, :show_deleted)
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username_filters = opts[:username_filters]
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opts[:username_filters] = username_filters.split(',') if username_filters.is_a?(String)
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begin
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@topic_view = TopicView.new(params[:id] || params[:topic_id], current_user, opts)
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rescue Discourse::NotFound
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topic = Topic.find_by(slug: params[:id].downcase) if params[:id]
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raise Discourse::NotFound unless topic
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redirect_to_correct_topic(topic, opts[:post_number]) && return
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end
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page = params[:page].to_i
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if (page < 0) || ((page - 1) * SiteSetting.posts_chunksize > @topic_view.topic.highest_post_number)
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raise Discourse::NotFound
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end
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discourse_expires_in 1.minute
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redirect_to_correct_topic(@topic_view.topic, opts[:post_number]) && return if slugs_do_not_match || (!request.format.json? && params[:slug].nil?)
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track_visit_to_topic
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if should_track_visit_to_topic?
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@topic_view.draft = Draft.get(current_user, @topic_view.draft_key, @topic_view.draft_sequence)
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end
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perform_show_response
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canonical_url absolute_without_cdn(@topic_view.canonical_path)
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rescue Discourse::InvalidAccess => ex
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if current_user
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# If the user can't see the topic, clean up notifications for it.
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Notification.remove_for(current_user.id, params[:topic_id])
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end
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raise ex
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end
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def wordpress
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params.require(:best)
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params.require(:topic_id)
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params.permit(:min_trust_level, :min_score, :min_replies, :bypass_trust_level_score, :only_moderator_liked)
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opts = { best: params[:best].to_i,
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min_trust_level: params[:min_trust_level] ? params[:min_trust_level].to_i : 1,
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min_score: params[:min_score].to_i,
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min_replies: params[:min_replies].to_i,
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bypass_trust_level_score: params[:bypass_trust_level_score].to_i, # safe cause 0 means ignore
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only_moderator_liked: params[:only_moderator_liked].to_s == "true"
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}
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@topic_view = TopicView.new(params[:topic_id], current_user, opts)
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discourse_expires_in 1.minute
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wordpress_serializer = TopicViewWordpressSerializer.new(@topic_view, scope: guardian, root: false)
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render_json_dump(wordpress_serializer)
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end
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def posts
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params.require(:topic_id)
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params.require(:post_ids)
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@topic_view = TopicView.new(params[:topic_id], current_user, post_ids: params[:post_ids])
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render_json_dump(TopicViewPostsSerializer.new(@topic_view, scope: guardian, root: false))
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end
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def destroy_timings
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PostTiming.destroy_for(current_user.id, [params[:topic_id].to_i])
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render nothing: true
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end
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def update
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topic = Topic.find_by(id: params[:topic_id])
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guardian.ensure_can_edit!(topic)
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changes = {}
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changes[:title] = params[:title] if params[:title]
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changes[:category_id] = params[:category_id] if params[:category_id]
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success = true
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if changes.length > 0
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first_post = topic.ordered_posts.first
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success = PostRevisor.new(first_post, topic).revise!(current_user, changes)
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end
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# this is used to return the title to the client as it may have been changed by "TextCleaner"
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success ? render_serialized(topic, BasicTopicSerializer) : render_json_error(topic)
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end
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def similar_to
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params.require(:title)
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params.require(:raw)
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title, raw = params[:title], params[:raw]
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[:title, :raw].each { |key| check_length_of(key, params[key]) }
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# Only suggest similar topics if the site has a minimum amount of topics present.
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topics = Topic.similar_to(title, raw, current_user).to_a if Topic.count_exceeds_minimum?
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render_serialized(topics, BasicTopicSerializer)
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end
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def status
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params.require(:status)
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params.require(:enabled)
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status, topic_id = params[:status], params[:topic_id].to_i
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enabled = (params[:enabled] == 'true')
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check_for_status_presence(:status, status)
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@topic = Topic.find_by(id: topic_id)
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guardian.ensure_can_moderate!(@topic)
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@topic.update_status(status, enabled, current_user)
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render nothing: true
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end
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def star
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@topic = Topic.find_by(id: params[:topic_id].to_i)
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guardian.ensure_can_see!(@topic)
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@topic.toggle_star(current_user, params[:starred] == 'true')
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render nothing: true
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end
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def mute
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toggle_mute
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end
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def unmute
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toggle_mute
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end
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def autoclose
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params.permit(:auto_close_time)
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params.require(:auto_close_based_on_last_post)
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topic = Topic.find_by(id: params[:topic_id].to_i)
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guardian.ensure_can_moderate!(topic)
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topic.auto_close_based_on_last_post = params[:auto_close_based_on_last_post]
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topic.set_auto_close(params[:auto_close_time], current_user)
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if topic.save
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render json: success_json.merge!({
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auto_close_at: topic.auto_close_at,
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auto_close_hours: topic.auto_close_hours
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})
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else
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render_json_error(topic)
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end
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end
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def make_banner
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topic = Topic.find_by(id: params[:topic_id].to_i)
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guardian.ensure_can_moderate!(topic)
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topic.make_banner!(current_user)
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render nothing: true
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end
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def remove_banner
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topic = Topic.find_by(id: params[:topic_id].to_i)
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guardian.ensure_can_moderate!(topic)
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topic.remove_banner!(current_user)
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render nothing: true
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end
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def destroy
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topic = Topic.find_by(id: params[:id])
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guardian.ensure_can_delete!(topic)
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first_post = topic.ordered_posts.first
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PostDestroyer.new(current_user, first_post, { context: params[:context] }).destroy
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render nothing: true
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end
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def recover
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topic = Topic.where(id: params[:topic_id]).with_deleted.first
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guardian.ensure_can_recover_topic!(topic)
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first_post = topic.posts.with_deleted.order(:post_number).first
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PostDestroyer.new(current_user, first_post).recover
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render nothing: true
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end
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def excerpt
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render nothing: true
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end
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def remove_allowed_user
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params.require(:username)
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topic = Topic.find_by(id: params[:topic_id])
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guardian.ensure_can_remove_allowed_users!(topic)
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if topic.remove_allowed_user(params[:username])
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render json: success_json
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else
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render json: failed_json, status: 422
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end
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end
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def invite
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username_or_email = params[:user] ? fetch_username : fetch_email
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topic = Topic.find_by(id: params[:topic_id])
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group_ids = Group.lookup_group_ids(params)
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guardian.ensure_can_invite_to!(topic,group_ids)
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if topic.invite(current_user, username_or_email, group_ids)
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user = User.find_by_username_or_email(username_or_email)
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if user
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render_json_dump BasicUserSerializer.new(user, scope: guardian, root: 'user')
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else
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render json: success_json
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end
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else
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render json: failed_json, status: 422
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end
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end
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def set_notifications
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topic = Topic.find(params[:topic_id].to_i)
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TopicUser.change(current_user, topic.id, notification_level: params[:notification_level].to_i)
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render json: success_json
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end
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def merge_topic
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params.require(:destination_topic_id)
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topic = Topic.find_by(id: params[:topic_id])
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guardian.ensure_can_move_posts!(topic)
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dest_topic = topic.move_posts(current_user, topic.posts.pluck(:id), destination_topic_id: params[:destination_topic_id].to_i)
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render_topic_changes(dest_topic)
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end
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def move_posts
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params.require(:post_ids)
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params.require(:topic_id)
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params.permit(:category_id)
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topic = Topic.find_by(id: params[:topic_id])
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guardian.ensure_can_move_posts!(topic)
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dest_topic = move_posts_to_destination(topic)
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render_topic_changes(dest_topic)
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rescue ActiveRecord::RecordInvalid => ex
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render_json_error(ex)
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end
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def change_post_owners
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params.require(:post_ids)
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params.require(:topic_id)
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params.require(:username)
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guardian.ensure_can_change_post_owner!
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post_ids = params[:post_ids].to_a
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topic = Topic.find_by(id: params[:topic_id].to_i)
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new_user = User.find_by(username: params[:username])
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return render json: failed_json, status: 422 unless post_ids && topic && new_user
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ActiveRecord::Base.transaction do
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post_ids.each do |post_id|
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post = Post.find(post_id)
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# update topic owner (first avatar)
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topic.user = new_user if post.is_first_post?
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post.set_owner(new_user, current_user)
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end
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end
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topic.update_statistics
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render json: success_json
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end
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def clear_pin
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topic = Topic.find_by(id: params[:topic_id].to_i)
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guardian.ensure_can_see!(topic)
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topic.clear_pin_for(current_user)
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render nothing: true
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end
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def re_pin
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topic = Topic.find_by(id: params[:topic_id].to_i)
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guardian.ensure_can_see!(topic)
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topic.re_pin_for(current_user)
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render nothing: true
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end
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def timings
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PostTiming.process_timings(
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current_user,
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params[:topic_id].to_i,
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params[:topic_time].to_i,
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(params[:timings] || []).map{|post_number, t| [post_number.to_i, t.to_i]}
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)
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render nothing: true
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end
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def feed
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@topic_view = TopicView.new(params[:topic_id])
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discourse_expires_in 1.minute
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render 'topics/show', formats: [:rss]
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end
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def bulk
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if params[:topic_ids].present?
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topic_ids = params[:topic_ids].map {|t| t.to_i}
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elsif params[:filter] == 'unread'
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tq = TopicQuery.new(current_user)
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topics = TopicQuery.unread_filter(tq.joined_topic_user).listable_topics
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topics = topics.where('category_id = ?', params[:category_id]) if params[:category_id]
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topic_ids = topics.pluck(:id)
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else
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raise ActionController::ParameterMissing.new(:topic_ids)
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end
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operation = params.require(:operation).symbolize_keys
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raise ActionController::ParameterMissing.new(:operation_type) if operation[:type].blank?
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operator = TopicsBulkAction.new(current_user, topic_ids, operation)
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changed_topic_ids = operator.perform!
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render_json_dump topic_ids: changed_topic_ids
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end
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def reset_new
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current_user.user_stat.update_column(:new_since, Time.now)
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render nothing: true
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end
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private
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def toggle_mute
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@topic = Topic.find_by(id: params[:topic_id].to_i)
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guardian.ensure_can_see!(@topic)
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@topic.toggle_mute(current_user)
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render nothing: true
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end
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def consider_user_for_promotion
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Promotion.new(current_user).review if current_user.present?
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end
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def slugs_do_not_match
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params[:slug] && @topic_view.topic.slug != params[:slug]
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end
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def redirect_to_correct_topic(topic, post_number=nil)
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url = topic.relative_url
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url << "/#{post_number}" if post_number.to_i > 0
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url << ".json" if request.format.json?
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redirect_to url, status: 301
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end
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def track_visit_to_topic
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topic_id = @topic_view.topic.id
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ip = request.remote_ip
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user_id = (current_user.id if current_user)
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track_visit = should_track_visit_to_topic?
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Scheduler::Defer.later "Track Link" do
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IncomingLink.add(
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referer: request.referer || flash[:referer],
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host: request.host,
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current_user: current_user,
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topic_id: @topic_view.topic.id,
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post_number: params[:post_number],
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username: request['u'],
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ip_address: request.remote_ip
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)
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end unless request.format.json?
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Scheduler::Defer.later "Track Visit" do
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TopicViewItem.add(topic_id, ip, user_id)
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if track_visit
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TopicUser.track_visit! topic_id, user_id
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end
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end
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end
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def should_track_visit_to_topic?
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!!((!request.format.json? || params[:track_visit]) && current_user)
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end
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def perform_show_response
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topic_view_serializer = TopicViewSerializer.new(@topic_view, scope: guardian, root: false)
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respond_to do |format|
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format.html do
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@description_meta = @topic_view.topic.excerpt
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store_preloaded("topic_#{@topic_view.topic.id}", MultiJson.dump(topic_view_serializer))
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end
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format.json do
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render_json_dump(topic_view_serializer)
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end
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end
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end
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def render_topic_changes(dest_topic)
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if dest_topic.present?
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render json: {success: true, url: dest_topic.relative_url}
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else
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render json: {success: false}
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end
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end
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def move_posts_to_destination(topic)
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args = {}
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args[:title] = params[:title] if params[:title].present?
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args[:destination_topic_id] = params[:destination_topic_id].to_i if params[:destination_topic_id].present?
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args[:category_id] = params[:category_id].to_i if params[:category_id].present?
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topic.move_posts(current_user, post_ids_including_replies, args)
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end
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def check_length_of(key, attr)
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str = (key == :raw) ? "body" : key.to_s
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invalid_param(key) if attr.length < SiteSetting.send("min_#{str}_similar_length")
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end
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def check_for_status_presence(key, attr)
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invalid_param(key) unless %w(pinned_globally visible closed pinned archived).include?(attr)
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end
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def invalid_param(key)
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raise Discourse::InvalidParameters.new(key.to_sym)
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end
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def fetch_username
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params.require(:user)
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params[:user]
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end
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def fetch_email
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params.require(:email)
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params[:email]
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end
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end
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