protips_controller.rb

classProtipsController < ApplicationController
before_action:store_location
before_action:require_login,only: [:new,:create,:edit,:update]

defhome
redirect_to(trending_url)ifsigned_in?
@protips=Protip.all_time_popular + Protip.recently_most_viewed(20)
protips_store_data
end

defindex
order_by=(params[:order_by] ||= :score)
@protips=Protip.
includes(:user).
visible_to(current_user).
order({order_by=>:desc}).
page(params[:page])

ifparams[:order_by] == :score
@protips=@protips.where('likes_count > 2')
end
ifparams[:topic]
tags=Category::children(params[:topic].downcase)
tags=params[:topic].downcaseiftags.empty?
@protips=@protips.with_any_tagged(tags)
end

protips_store_data
end

defprotips_store_data
data={
protips: {items: serialize(@protips)},
}
ifcurrent_user
hearted_protips=current_user.likes.
where(likable_id: @protips.map(&:id)).
pluck(:likable_id).
map{|id| dom_id(Protip,id)}

data[:hearts]={
items: hearted_protips,
}
end
store_data(data)
end

defspam
@protips=Protip.spam.pageparams[:page]
renderaction: 'index'
end

defmark_spam
@protip=Protip.find_by_public_id!(params[:protip_id])
@protip.user.bad_user!
Rails.cache.clear# TODO: This is a little excessive
flash[:notice]="Marked as spam"
redirect_toslug_protips_url(id: @protip.public_id,slug: @protip.slug)
end

defshow
return(@protip=Protip.random.first)ifparams[:id] == 'random'
@protip=Protip.includes(:comments).visible_to(current_user).find_by_public_id!(params[:id])
@comments=@protip.comments.visible_to(current_user)

data={
currentProtip: {item: serialize(@protip)},
comments: {items: serialize(@comments)}
}
ifcurrent_user
hearted_protips=current_user.likes.
where(likable_id: @protip.id).
pluck(:likable_id).
map{|id| dom_id(Protip,id)}

hearted_comments=current_user.likes.where(
likable_id: @comments.map(&:id)
).pluck(:likable_id).map{|id| dom_id(Comment,id)}

data[:hearts]={
items: hearted_protips + hearted_comments,
}
end

store_data(data)

respond_todo |format|
format.htmldo
seo_url=slug_protips_url(id: @protip.public_id,slug: @protip.slug)
returnredirect_to(seo_url,status: 301)unlessslugs_match?
update_view_count(@protip)
fresh_when(etag_key_for_protip)
end
format.json{render(json: @protip)}
end
end

defnew
@protip=Protip.new
end

defedit
@protip=Protip.find_by_public_id!(params[:id])
returnhead(:forbidden)unlesscurrent_user.can_edit?(@protip)
renderaction: 'new'
end

defupdate
@protip=Protip.find_by_public_id!(params[:id])
returnhead(:forbidden)unlesscurrent_user.can_edit?(@protip)
@protip.assign_attributes(protip_params)
add_spam_fields(@protip)

if !captcha_valid_user?(params["g-recaptcha-response"],remote_ip)
flash.now[:notice]="Let us know if you're human below :D"
renderaction: 'new'
return
end

ifspam?
@protip.bad_content=true
current_user.update!(bad_user: true)
end

if@protip.save
redirect_toprotip_url(@protip)
else
renderaction: 'new'
end
end

defcreate
@protip=Protip.new(protip_params)
@protip.user=current_user
add_spam_fields(@protip)

if !captcha_valid_user?(params["g-recaptcha-response"],remote_ip)
flash.now[:notice]="Let us know if you're human below :D"
renderaction: 'new'
return
end

ifspam?
@protip.bad_content=true
current_user.update!(bad_user: true)
end

if@protip.save
redirect_toprotip_url(@protip)
else
renderaction: 'new'
end
end

defdestroy
@protip=Protip.find_by_public_id!(params[:id])
returnhead(:forbidden)unlesscurrent_user.can_edit?(@protip)
@protip.destroy
redirect_toprofile_protips_url(username: @protip.user.username,anchor: 'protips')
end

protected

defadd_spam_fields(article)
article.assign_attributes(
user_agent: request.user_agent,
user_ip: remote_ip,
referrer: request.referer,
)
end

defslugs_match?
params[:slug] == @protip.slug
end

defprotip_params
params.require(:protip).permit(:editable_tags,:body,:title)
end

defupdate_view_count(protip)
if !browser.bot? && browser.known?
recently_viewed=cookies[:viewd_protips].to_s.split(':')
if !recently_viewed.include?(protip.public_id)
protip.increment_view_count!
recently_viewed << protip.public_id
end
cookies[:viewd_protips]={
value: recently_viewed.join(':'),
expires: 10.minutes.from_now
}
end
end

defetag_key_for_protip
{
etag: [@protip,current_user,'v2'],
last_modified: @protip.updated_at.utc,
public: false
}
end

defspam?
flags=Spaminator.new.protip_flags(@protip)
ifflags.any?
logger.info"[SPAM BLOCK] \"#{@protip.title}\"#{flags.inspect}"
true
else
logger.info"[SPAM ALLOW] \"#{@protip.title}\""
false
end
end
end