discourse/app/controllers/posts_controller.rb

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require_dependency 'post_creator'
class PostsController < ApplicationController
# Need to be logged in for all actions here
before_filter :ensure_logged_in, except: [:show, :replies, :by_number]
def create
requires_parameter(:post)
post_creator = PostCreator.new(current_user,
raw: params[:post][:raw],
topic_id: params[:post][:topic_id],
title: params[:title],
archetype: params[:archetype],
category: params[:post][:category],
target_usernames: params[:target_usernames],
reply_to_post_number: params[:post][:reply_to_post_number],
image_sizes: params[:image_sizes],
meta_data: params[:meta_data])
post = post_creator.create
if post_creator.errors.present?
render_json_error(post_creator)
else
post_serializer = PostSerializer.new(post, scope: guardian, root: false)
post_serializer.topic_slug = post.topic.slug if post.topic.present?
post_serializer.draft_sequence = DraftSequence.current(current_user, post.topic.draft_key)
render_json_dump(post_serializer)
end
end
def update
requires_parameter(:post)
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@post = Post.where(id: params[:id]).first
@post.image_sizes = params[:image_sizes] if params[:image_sizes].present?
guardian.ensure_can_edit!(@post)
if @post.revise(current_user, params[:post][:raw])
TopicLink.extract_from(@post)
end
if @post.errors.present?
render_json_error(@post)
return
end
post_serializer = PostSerializer.new(@post, scope: guardian, root: false)
post_serializer.draft_sequence = DraftSequence.current(current_user, @post.topic.draft_key)
link_counts = TopicLinkClick.counts_for(@post.topic, [@post])
post_serializer.single_post_link_counts = link_counts[@post.id] if link_counts.present?
render_json_dump(post_serializer)
end
def by_number
@post = Post.where(topic_id: params[:topic_id], post_number: params[:post_number]).first
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guardian.ensure_can_see!(@post)
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@post.revert_to(params[:version].to_i) if params[:version].present?
post_serializer = PostSerializer.new(@post, scope: guardian, root: false)
post_serializer.add_raw = true
render_json_dump(post_serializer)
end
def show
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@post = find_post_from_params
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@post.revert_to(params[:version].to_i) if params[:version].present?
post_serializer = PostSerializer.new(@post, scope: guardian, root: false)
post_serializer.add_raw = true
render_json_dump(post_serializer)
end
def destroy
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post = find_post_from_params
guardian.ensure_can_delete!(post)
post.delete_by(current_user)
render nothing: true
end
def recover
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post = find_post_from_params
guardian.ensure_can_recover_post!(post)
post.recover
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render nothing: true
end
def destroy_many
requires_parameters(:post_ids)
posts = Post.where(id: params[:post_ids])
raise Discourse::InvalidParameters.new(:post_ids) if posts.blank?
# Make sure we can delete the posts
posts.each {|p| guardian.ensure_can_delete!(p) }
Post.transaction do
topic_id = posts.first.topic_id
posts.each {|p| p.destroy }
Topic.reset_highest(topic_id)
end
render nothing: true
end
# Retrieves a list of versions and who made them for a post
def versions
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post = find_post_from_params
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render_serialized(post.all_versions, VersionSerializer)
end
# Direct replies to this post
def replies
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post = find_post_from_params
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render_serialized(post.replies, PostSerializer)
end
def bookmark
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post = find_post_from_params
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if current_user
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if params[:bookmarked] == "true"
PostAction.act(current_user, post, PostActionType.Types[:bookmark])
else
PostAction.remove_act(current_user, post, PostActionType.Types[:bookmark])
end
end
render :nothing => true
end
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protected
def find_post_from_params
finder = Post.where(id: params[:id] || params[:post_id])
# Include deleted posts if the user is a moderator
finder = finder.with_deleted if current_user.try(:has_trust_level?, :moderator)
post = finder.first
guardian.ensure_can_see!(post)
post
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end
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end