Hujah Card

card.js

import React from 'react'
import { Link } from 'react-router-dom'
import Linkify from 'react-linkify'
import AgreeIcon from '../Icons/agree'
import NeutralIcon from '../Icons/neutral'
import DisagreeIcon from '../Icons/disagree'
import ViewsIcon from '../Icons/views'
import VotesIcon from '../Icons/votes'
import HujahIcon from '../Icons/hujah'
import HujahCardHeader from './card_header'
import ButtonAddHujah from '../Layouts/button_add_hujah'

class HujahCard extends React.Component {
  constructor(props) {
    super(props)

    const { hujah } = this.props
    const { agree_count, neutral_count, disagree_count } = hujah.attributes

    this.state = {
      hujah: hujah,
      hujahParentAvailable: hujah.attributes.hasOwnProperty("parent"),
      showAddHujahButton: hujah.attributes.current_user_vote !== null,
      totalVoteCount: agree_count + neutral_count + disagree_count
    }
  }

  updateVote(vote) {
    const url = "/api/v1/votes/create"

    const body = {
      vote: vote,
      hujah_id: this.state.hujah.id,
      user_id: this.props.currentUser.id
    }

    const token = document.querySelector('meta[name="csrf-token"]').content

    fetch(url, {
      method: "POST",
      headers: {
        "X-CSRF-Token": token,
        "Content-Type": "application/json"
      },
      body: JSON.stringify(body)
    })
      .then(response => {
        if (response.ok) {
          return response.json()
        }
        throw new Error("Network response was not ok.")
      })
      .catch(error => console.log(error.message))
  }

  calculatePercentage(voteCount) {
    const percentage = voteCount * 100 / this.state.totalVoteCount
    return `${percentage}%`
  }

  handleVoteAgree() {
    if(this.userNotLoggedIn()) {
      return this.redirectToLogin()
    }

    const newHujahState = Object.assign({}, this.state.hujah)
    
    var addToTotalVoteCount = 0

    if(newHujahState.attributes.current_user_vote == "agree") {
      return
    } else {
      newHujahState.attributes.agree_count = newHujahState.attributes.agree_count + 1
      if(newHujahState.attributes.current_user_vote == "neutral") {
        newHujahState.attributes.neutral_count = newHujahState.attributes.neutral_count - 1
      } else if(newHujahState.attributes.current_user_vote == "disagree") {
        newHujahState.attributes.disagree_count = newHujahState.attributes.disagree_count - 1
      }
      if(newHujahState.attributes.current_user_vote == null) {
        addToTotalVoteCount = 1
      }
      newHujahState.attributes.current_user_vote = "agree"
    }

    this.setState((prevState, props) => {
      return {
        hujah: newHujahState,
        totalVoteCount: prevState.totalVoteCount + addToTotalVoteCount,
        showAddHujahButton: true
      }
    })

    this.updateVote(1)
  }

  handleVoteNeutral() {
    if(this.userNotLoggedIn()) {
      return this.redirectToLogin()
    }

    const newHujahState = Object.assign({}, this.state.hujah)

    var addToTotalVoteCount = 0

    if(newHujahState.attributes.current_user_vote == "neutral") {
      return
    } else {
      newHujahState.attributes.neutral_count = newHujahState.attributes.neutral_count + 1
      if(newHujahState.attributes.current_user_vote == "agree") {
        newHujahState.attributes.agree_count = newHujahState.attributes.agree_count - 1
      } else if(newHujahState.attributes.current_user_vote == "disagree") {
        newHujahState.attributes.disagree_count = newHujahState.attributes.disagree_count - 1
      }
      if(newHujahState.attributes.current_user_vote == null) {
        addToTotalVoteCount = 1
      }
      newHujahState.attributes.current_user_vote = "neutral"
    }

    this.setState((prevState, props) => {
      return {
        hujah: newHujahState,
        totalVoteCount: prevState.totalVoteCount + addToTotalVoteCount,
        showAddHujahButton: true
      }
    })
    
    this.updateVote(2)
  }

  handleVoteDisagree() {
    if(this.userNotLoggedIn()) {
      return this.redirectToLogin()
    }

    const newHujahState = Object.assign({}, this.state.hujah)

    var addToTotalVoteCount = 0

    if(newHujahState.attributes.current_user_vote == "disagree") {
      return
    } else {
      newHujahState.attributes.disagree_count = newHujahState.attributes.disagree_count + 1
      if(newHujahState.attributes.current_user_vote == "agree") {
        newHujahState.attributes.agree_count = newHujahState.attributes.agree_count - 1
      } else if(newHujahState.attributes.current_user_vote == "neutral") {
        newHujahState.attributes.neutral_count = newHujahState.attributes.neutral_count - 1
      }
      if(newHujahState.attributes.current_user_vote == null) {
        addToTotalVoteCount = 1
      }
      newHujahState.attributes.current_user_vote = "disagree"
    }

    this.setState((prevState, props) => {
      return {
        hujah: newHujahState,
        totalVoteCount: prevState.totalVoteCount + addToTotalVoteCount,
        showAddHujahButton: true
      }
    })
    
    this.updateVote(3)
  }

  userNotLoggedIn() {
    return !this.props.loggedInStatus
  }
  
  redirectToLogin() {
    this.props.history.push('/start/login')
  }

  render() {
    // || this.state.hujah.attributes.children_count == 1
    if(this.state.hujahParentAvailable) {
      return null
    }

    const { hujah, hujahParentAvailable, showAddHujahButton, totalVoteCount } = this.state
    const { agree_count, neutral_count, disagree_count, body, current_user_vote, children_count, user, slug } = hujah.attributes

    const showVoteBar = (
      <div className="card-body p-0">
        <div className="d-flex justify-content-around vote-bar">
          <div className="vote bg-agree" style={{ width: this.calculatePercentage(agree_count) }}></div>
          <div className="vote bg-neutral" style={{ width: this.calculatePercentage(neutral_count) }}></div>
          <div className="vote bg-disagree" style={{ width: this.calculatePercentage(disagree_count) }}></div>
        </div>
      </div>
    )

    return(
        <div className="shadow card border-0 rounded-0 mb-2">
          <HujahCardHeader hujah={hujah} hujahParentAvailable={hujahParentAvailable} />
          <div className="card-body pb-0">
            <Link to={`/hoojah/${slug}`}>
              <h5 className="card-title text-black text-regular" dangerouslySetInnerHTML={{ __html: body }}></h5>
            </Link>
          </div>
          <div className={`card-body pt-0 ${showAddHujahButton ? "d-flex justify-content-between" : null}`}>
            <div className={`d-flex justify-content-${showAddHujahButton ? "between" : "around"}`}>
              <button className={`shadow btn btn-outline-agree btn-lg btn-circle btn-icon-16 fill-agree ${current_user_vote == "agree" ? "voted" : null} ${showAddHujahButton ? "mr-2" : null}`} onClick={() => this.handleVoteAgree()}><AgreeIcon /></button>
              <button className={`shadow btn btn-outline-neutral btn-lg btn-circle btn-icon-16 fill-neutral neutral ${current_user_vote == "neutral" ? "voted" : null} ${showAddHujahButton ? "mr-2" : null}`} onClick={() => this.handleVoteNeutral()}><NeutralIcon /></button>
              <button className={`shadow btn btn-outline-disagree btn-lg btn-circle btn-icon-16 fill-disagree ${current_user_vote == "disagree" ? "voted" : null}`} onClick={() => this.handleVoteDisagree()}><DisagreeIcon /></button>
            </div>
            {showAddHujahButton ? <ButtonAddHujah hujahParent={hujah} user={user} vote={current_user_vote} /> : null}
          </div>
          {totalVoteCount > 0 ? showVoteBar : null}
          <div className="card-footer d-flex justify-content-between text-grey">
            <div className="d-flex align-items-center">
              <Link to={`/hoojah/${hujah.slug}`} className="text-14 btn-icon-14 fill-grey no-underscore text-grey">
                <VotesIcon />
                <span className="ml-1">{totalVoteCount}</span>
                <span className="mx-2">·</span>
                <HujahIcon />
                <span className="ml-1">{children_count}</span>
              </Link>
            </div>
          </div>
        </div>
    )
  }
}

export default HujahCard

card_header.js

import React, { Fragment } from 'react'
import { Link } from 'react-router-dom'
import ShareIcon from '../Icons/share'
import HujahCardParent from './card_parent'
import {
  EmailShareButton,
  EmailIcon,
  FacebookShareButton,
  FacebookIcon,
  RedditShareButton,
  RedditIcon,
  TelegramShareButton,
  TelegramIcon,
  TwitterShareButton,
  TwitterIcon,
  WhatsappShareButton,
  WhatsappIcon
} from "react-share"

class HujahCardHeader extends React.Component {
  render() {
    const { hujah, hujahParentAvailable } = this.props
    const { parent, user, body } = hujah.attributes
    const { full_name, username, photo } = user.attributes

    const messageForSocialMedia = `"${body} (by @${username})" Do you AGREE? NEUTRAL? DISAGREE?`
    
    const socialMediaButtonUrl = `${window.location.origin}/hoojah/${hujah.attributes.slug}`
    const socialMediaButtonClass = "px-3 py-1"

    return(
      <Fragment>
        { hujahParentAvailable ? <HujahCardParent hujah={parent} /> : null }

        <div className="card-header border-bottom-0 pb-0 d-flex justify-content-between align-items-center">
          <div className="media">
            <Link to={`/${username}`}><img src={photo} className="rounded-circle mr-3 avatar" /></Link>
            <div className="media-body">
              <div className="d-flex flex-column">
                <Link to={`/${username}`} className="mt-0 mb-0 text-primary">{full_name}</Link>
                <a className="no-underscore handle">
                  <small className="text-muted">{`@${username}`}</small>
                </a>
              </div>
            </div>
          </div>
          <div className="dropdown">
            <button className="btn btn-icon-16 fill-light-grey p-0" type="button" id="moreAction" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
              <ShareIcon />
            </button>
            <div className="dropdown-menu dropdown-menu-right" aria-labelledby="moreAction">
              <h6 className="dropdown-header">Share this hoojah via</h6>
              <FacebookShareButton 
                url={socialMediaButtonUrl}
                quote={messageForSocialMedia} 
                hashtag="#hoojah" 
                className={socialMediaButtonClass}>
                <FacebookIcon size={24} borderRadius={48} className="mr-1" /> Facebook
              </FacebookShareButton>
              <TwitterShareButton 
                url={socialMediaButtonUrl}
                title={messageForSocialMedia}
                via="hoojah_my" 
                hashtags={["hoojah", "discussions", "malaysia"]} 
                className={socialMediaButtonClass}>
                <TwitterIcon size={24} borderRadius={48} className="mr-1" /> Twitter
              </TwitterShareButton>
              <WhatsappShareButton 
                url={socialMediaButtonUrl}
                title={messageForSocialMedia}
                className={socialMediaButtonClass}>
                <WhatsappIcon size={24} borderRadius={48} className="mr-1" /> WhatsApp
              </WhatsappShareButton>
              <TelegramShareButton 
                url={socialMediaButtonUrl}
                title={messageForSocialMedia}
                className={socialMediaButtonClass}>
                <TelegramIcon size={24} borderRadius={48} className="mr-1" /> Telegram
              </TelegramShareButton>
              <RedditShareButton 
                url={socialMediaButtonUrl}
                title={messageForSocialMedia}
                className={socialMediaButtonClass}>
                <RedditIcon size={24} borderRadius={48} className="mr-1" /> Reddit
              </RedditShareButton>
              <EmailShareButton 
                url={socialMediaButtonUrl}
                subject={messageForSocialMedia}
                body="hello@hoojah.my" 
                className={socialMediaButtonClass}>
                <EmailIcon size={24} borderRadius={48} className="mr-1" /> Email
              </EmailShareButton>
            </div>
          </div>
        </div>
      </Fragment>
    )
  }
}

export default HujahCardHeader

card_parent.js

import React from 'react'
import { Link } from 'react-router-dom'

class HujahParentCard extends React.Component {
  render() {
    const hujah = this.props.hujah
    const { user, body, slug } = hujah.attributes
    const { full_name, photo } = user.attributes

    return(
      <Link to={`/hoojah/${slug}`} className="no-underscore">
        <div id="parent-card-container" className="shadow card-body border-bottom border-light-grey px-3 py-1 d-flex align-items-center mb-0">
          <div className="media pt-1">
            <img src={photo} className="rounded-circle mr-2 avatar-small" />
            <div className="media-body">
              <div className="d-flex flex-column">
                <small className="text-grey">
                  Response to <span className="text-primary">{full_name}</span>'s hoojah
                </small>
                <div className="mb-0 text-grey text-14 text-truncate d-block d-sm-none" style={{ maxWidth: '270px' }} dangerouslySetInnerHTML={{ __html: body }}></div>
                <div className="mb-0 text-grey text-14 text-truncate d-none d-sm-block d-md-none" style={{ maxWidth: '310px' }} dangerouslySetInnerHTML={{ __html: body }}></div>
                <div className="mb-0 text-grey text-14 text-truncate d-none d-md-block" style={{ maxWidth: '350px' }} dangerouslySetInnerHTML={{ __html: body }}></div>
              </div>
            </div>
          </div>
        </div>
      </Link>
    )
  }
}

export default HujahParentCard

card_small.js

import React from "react"
import { Link } from 'react-router-dom'
import AgreeIcon from '../Icons/agree'
import NeutralIcon from '../Icons/neutral'
import DisagreeIcon from '../Icons/disagree'

class HujahCardSmall extends React.Component {

  parseVote(vote) {
    if(vote == 1) {
      return "agree"
    } else if(vote == 2) {
      return "neutral"
    } else if(vote == 3) {
      return "disagree"
    } else {
      return "primary"
    }
  }

  render() {
    const hujah = this.props.hujah

    const { body, vote, agree_count, neutral_count, disagree_count, user, slug } = hujah.attributes
    const { full_name, username, photo } = user.attributes

    return(
      <Link to={`/hoojah/${slug}`} className="no-underscore">
        <div className={`shadow card-body border-left-8 border-${this.parseVote(vote)} border-bottom-0 py-0 pl-0 pr-2 d-flex align-items-center mb-1`}>
          <div className="media py-1">
            <img src={photo} className="rounded-circle mx-2 avatar-small" />
            <div className="media-body">
              <div className="d-flex flex-column">
                <div>
                  <span className="my-0 mr-1 text-primary">{full_name}</span>
                  <span className="handle">
                    <small className="text-muted">{`@${username}`}</small>
                  </span>
                </div>
                <p className="mb-0 text-black" style={{ wordBreak: "break-word", whiteSpace: "normal" }} dangerouslySetInnerHTML={{ __html: body }}></p>
                <div className="d-flex align-items-center text-14 card-body btn-icon-14 text-light-grey fill-light-grey p-0">
                  <AgreeIcon />
                  <span className="ml-1">{agree_count}</span>
                  <span className="mx-2">·</span>
                  <NeutralIcon />
                  <span className="ml-1">{neutral_count}</span>
                  <span className="mx-2">·</span>
                  <DisagreeIcon />
                  <span className="ml-1">{disagree_count}</span>
                </div>
              </div>
            </div>
          </div>
        </div>
      </Link>
    )
  }
}

export default HujahCardSmall

hujah.rb

class Hujah < ApplicationRecord

  belongs_to :user
  has_many :votes, dependent: :destroy
  has_many :flags, dependent: :destroy
  has_many :children, class_name: "Hujah", foreign_key: "parent_id", dependent: :destroy
  belongs_to :parent, class_name: "Hujah", optional: true
  
  validates :body, presence: true

  slug :set_slug

  def is_parent?
    self.parent == nil
  end

  def has_parent?
    self.parent != nil
  end

  def has_children?
    self.children != 0
  end

  def set_slug
    re = /<("[^"]*"|'[^']*'|[^'">])*>/
    self.slug = self.body.gsub(re, '').parameterize
  end

  def current_user_vote(logged_in: nil, current_user_id: nil)
    if logged_in
      if votes.joins(:user).find_by(user_id: current_user_id).nil?
        nil
      else
        vote = votes.joins(:user).find_by(user_id: current_user_id).vote.last
        if vote == 1
          "agree"
        elsif vote == 2
          "neutral"
        elsif vote == 3
          "disagree"
        end
      end
    else
      nil
    end
  end
end

hujahs_controller.rb

class Api::V1::HujahsController < ApplicationController
  def index
    
    hujahs = Hujah.all.order(updated_at: :desc)
    serialized_hujahs = HujahSerializer.new(hujahs, params: {logged_in: logged_in?, current_user_id: current_user&.id }).serializable_hash
    render json: serialized_hujahs

  end

  def create
    hujah = current_user.hujahs.create(hujah_params)
    if hujah
      if hujah.has_parent?
        Notification.create!(user_id: hujah.parent.user.id, category: 3, hujah_id: hujah.parent.id, subject_user_id: current_user.id)
      end
      render json: hujah
    else
      render json: hujah.errors
    end
  end

  def show
    if hujah

      serialized_hujah = HujahSerializer.new(hujah, params: {logged_in: logged_in?, current_user_id: current_user&.id }).serializable_hash

      render json: serialized_hujah
    end
  end

  def destroy
    hujah&.destroy
    render json: { message: 'Hoojah deleted!' }
  end

  def new
  end

  private

  def hujah_params
    params.permit(:body, :parent_id, :vote)
  end

  def hujah
    @hujah ||= Hujah.find_by_slug(params[:slug])
  end

end