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);

    const messagesLine = useRef(null);

    useEffect(() => {

        const observer = new IntersectionObserver(([entry]) => {

            if (entry.isIntersecting) {

                getMoreMessages()

            }

        }, {

            rootMargin: '0px'

        })

        if (lastMessage.current) {

            observer.observe(lastMessage.current)

        }

    }, [messages]);

    return (

        <React.Fragment>

            <div className="main-conversation-box">

                {

                    !selectedConversation

                        ?

                        <div style={{

                            display: 'grid',

                            placeItems: 'center',

                            width: '100%',

                            height: '100%'

                        }}>

                            <div style={{

                                display: 'flex',

                                flexDirection: 'column',

                                alignItems: 'center'

                            }}>

                                <i className='fas fa-inbox icon' style={{

                                    fontSize: '2.5rem',

                                    marginBottom: '1rem'

                                }} />

                                <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 msgs-hide"

                                        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"

                                ref={messagesLine}

                            >

                                {

                                    (messages)

                                    &&

                                    (

                                        messages.map((element, i) => {

                                            const isLeft = element.side === 'left'

                                            return (

                                                <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>

                                            )

                                        }

                                        ))

                                }

                                <hr ref={lastMessage} />

                            </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>

    )

}