Proyectos de Subversion LeadersLinked - Antes de SPA

import React, { useEffect, useRef, useState } from 'react'

export default ({ messages, selectedConversation, onSend, backendVars, getMoreMessages, handleShowConversation }) => {

    const [text, setText] = useState('')
    const lastMessage = useRef(null);

    useEffect(() => {
        if (lastMessage.current) {
            const observer = new IntersectionObserver(getMoreMessages, {
                rootMargin: '0px'
            })

            observer.observe(lastMessage.current)
        }
    }, [messages]);

    return (
        <React.Fragment>
            <div className="main-conversation-box">
                {
                    !selectedConversation
                        ?
                        <div style={{
                            display: 'grid',
                            placeItems: 'center',
                            width: '100%'
                        }}>
                            <div style={{
                                display: 'flex',
                                flexDirection: 'column',
                                alignItems: 'center'
                            }}>
                                <i className='fas fa-edit icon' style={{
                                    fontSize: '2.5rem'
                                }}/>
                                <h3>
                                    Selecciona una conversación
                                </h3>
                            </div>
                        </div>
                        :
                        <React.Fragment>
                            <div
                                className="message-bar-head"
                            >
                                <div className="usr-msg-details">
                                    <i
                                        className="fas fa-angle-left icon"
                                        onClick={() => handleShowConversation(false)}
                                    ></i>
                                    <div className="usr-ms-img">
                                        <img src={selectedConversation.image} alt={`${selectedConversation.name} avatars`} />
                                    </div>
                                    <div className="usr-mg-info">
                                        <h3>{selectedConversation.name}</h3>
                                        <p>Online</p>
                                    </div>
                                </div>
                                <div className="ed-opts">
                                    <i className="la la-ellipsis-v icon"></i>
                                    <ul className="ed-options">
                                        <li><a href="#" className="btn-clean-messages" title="">Limpiar </a></li>
                                        <li><a href="#" className="btn-delete-conversation" title="">Borrar</a></li>
                                        <li><a href="#" className="btn-block-user" title="">Bloquear</a></li>
                                    </ul>
                                </div>
                            </div>
                            <div
                                className="messages-line"
                            >
                                {
                                    (messages)
                                    &&
                                    (
                                        messages.map((element, i) => {
                                            const isLeft = element.side === 'left'
                                            return (
                                                i === (messages.length - 1)
                                                    ?
                                                    <div
                                                        className={`main-message-box ref ${!isLeft ? 'ta-right' : ''}`}
                                                        key={element.message}
                                                        ref={lastMessage}
                                                    >
                                                        <div className="messg-usr-img">
                                                            <img
                                                                src={element.sender_image}
                                                                onClick={() => window.location.href = element.sender_profile}
                                                                className="cursor-pointer"
                                                                alt={element.sender_name}
                                                            />
                                                        </div>
                                                        <div
                                                            className="message-dt"
                                                        >
                                                            <div
                                                                className="message-inner-dt"

                                                            >
                                                                <p className='w-100'>{element.message}</p>
                                                            </div>
                                                            <span>{element.date}</span>
                                                        </div>
                                                    </div>
                                                    :
                                                    <div
                                                        className={`main-message-box ${!isLeft ? 'ta-right' : ''}`}
                                                        key={element.message}
                                                    >
                                                        <div className="messg-usr-img">
                                                            <img
                                                                src={element.sender_image}
                                                                onClick={() => window.location.href = element.sender_profile}
                                                                className="cursor-pointer"
                                                                alt={element.sender_name}
                                                            />
                                                        </div>
                                                        <div
                                                            className="message-dt"
                                                        >
                                                            <div
                                                                className="message-inner-dt"

                                                            >
                                                                <p className='w-100'>{element.message}</p>
                                                            </div>
                                                            <span>{element.date}</span>
                                                        </div>
                                                    </div>
                                            )
                                        })
                                    )
                                }
                            </div>
                            <div className="message-send-area">
                                <form id="form-send-message" name="form-send-message"
                                    onSubmit={e => {
                                        e.preventDefault()
                                        onSend(text)
                                        setText('')
                                    }}
                                >
                                    <div className="mf-field">
                                        <input
                                            type="text"
                                            name="message"
                                            id="message"
                                            value={text}
                                            placeholder={backendVars.labelWriteMessage}
                                            onChange={e => {
                                                setText(e.target.value || '')
                                            }}
                                        />
                                        <button type="submit">
                                            <i class="fas fa-paper-plane"></i>
                                            {backendVars.labelSend}
                                        </button>
                                    </div>
                                </form>
                            </div>
                        </React.Fragment>
                }
            </div>
        </React.Fragment>
    )
}