https://github.com/dpedwards/php-chat
Simple MySQL + PHP realtime chat
https://github.com/dpedwards/php-chat
database javascript mysql php sqlschema
Last synced: 3 months ago
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Simple MySQL + PHP realtime chat
- Host: GitHub
- URL: https://github.com/dpedwards/php-chat
- Owner: dpedwards
- Created: 2024-03-09T21:59:31.000Z (over 2 years ago)
- Default Branch: main
- Last Pushed: 2024-05-08T11:51:29.000Z (about 2 years ago)
- Last Synced: 2025-06-05T16:46:33.026Z (about 1 year ago)
- Topics: database, javascript, mysql, php, sqlschema
- Language: PHP
- Homepage:
- Size: 355 KB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
[](https://www.php.net/)
[](https://developer.mozilla.org/en-US/docs/Web/JavaScript)
[](https://www.mysql.com/)
# DATABASESYSTEMS ASSIGNMENT (DBA20)
# MYSQL + PHP CHAT DEVELOPMENT
## Program Execution
### Xampp
[DOWNLOAD](https://www.apachefriends.org/download.html)
### Visual Studio Code
IT IS RECOMMENDED TO LAUNCH THE [PHP EXTENSION PACK](https://marketplace.visualstudio.com/items?itemName=xdebug.php-pack) APPLICATION WITH [VISUAL STUDIO CODE](https://code.visualstudio.com/).
-------------------------------------------------------
## ER diagram & UML
### Simple chat:
### Complex chat:
-------------------------------------------------------
## Database schema
### Simple chat:
```
--
-- Database: `chat_db`
--
-- --------------------------------------------------------
--
-- Table structure for table `messages`
--
CREATE TABLE `messages` (
`msg_id` int(11) NOT NULL,
`incoming_msg_id` int(255) NOT NULL,
`outgoing_msg_id` int(255) NOT NULL,
`msg` varchar(1000) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-- --------------------------------------------------------
--
-- Table structure for table `users`
--
CREATE TABLE `users` (
`user_id` int(11) NOT NULL,
`unique_id` int(255) NOT NULL,
`fname` varchar(255) NOT NULL,
`lname` varchar(255) NOT NULL,
`email` varchar(255) NOT NULL,
`password` varchar(255) NOT NULL,
`img` varchar(255) NOT NULL,
`status` varchar(255) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
--
-- Indexes for dumped tables
--
--
-- Indexes for table `messages`
--
ALTER TABLE `messages`
ADD PRIMARY KEY (`msg_id`);
--
-- Indexes for table `users`
--
ALTER TABLE `users`
ADD PRIMARY KEY (`user_id`);
--
-- AUTO_INCREMENT for dumped tables
--
--
-- AUTO_INCREMENT for table `messages`
--
ALTER TABLE `messages`
MODIFY `msg_id` int(11) NOT NULL AUTO_INCREMENT;
--
-- AUTO_INCREMENT for table `users`
--
ALTER TABLE `users`
MODIFY `user_id` int(11) NOT NULL AUTO_INCREMENT;
COMMIT;
```
### Complex chat:
```
-- Create `users` table
CREATE TABLE `users` (
`user_id` int(11) NOT NULL AUTO_INCREMENT,
`unique_id` int(255) NOT NULL,
`fname` varchar(255) NOT NULL,
`lname` varchar(255) NOT NULL,
`email` varchar(255) NOT NULL,
`password` varchar(255) NOT NULL,
`status` varchar(255) NOT NULL,
PRIMARY KEY (`user_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-- Create `conversations` table
CREATE TABLE `conversations` (
`conv_id` int(11) NOT NULL AUTO_INCREMENT,
`title` varchar(255) DEFAULT NULL,
PRIMARY KEY (`conv_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-- Create `messages` table
CREATE TABLE `messages` (
`msg_id` int(11) NOT NULL AUTO_INCREMENT,
`incoming_msg_id` int(11) NOT NULL,
`outgoing_msg_id` int(11) NOT NULL,
`msg` varchar(1000) NOT NULL,
`timestamp` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
`status` enum('sent', 'delivered', 'read') NOT NULL DEFAULT 'sent',
`conv_id` int(11) DEFAULT NULL,
PRIMARY KEY (`msg_id`),
FOREIGN KEY (`incoming_msg_id`) REFERENCES `users`(`user_id`),
FOREIGN KEY (`outgoing_msg_id`) REFERENCES `users`(`user_id`),
FOREIGN KEY (`conv_id`) REFERENCES `conversations`(`conv_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-- Create `contacts` table
CREATE TABLE `contacts` (
`contact_id` int(11) NOT NULL AUTO_INCREMENT,
`user_id` int(11) NOT NULL,
`contact_user_id` int(11) NOT NULL,
`status` enum('pending', 'accepted', 'blocked') NOT NULL DEFAULT 'pending',
PRIMARY KEY (`contact_id`),
FOREIGN KEY (`user_id`) REFERENCES `users`(`user_id`),
FOREIGN KEY (`contact_user_id`) REFERENCES `users`(`user_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-- Create `conversation_participants` table
CREATE TABLE `conversation_participants` (
`conv_participant_id` int(11) NOT NULL AUTO_INCREMENT,
`conv_id` int(11) NOT NULL,
`user_id` int(11) NOT NULL,
PRIMARY KEY (`conv_participant_id`),
FOREIGN KEY (`conv_id`) REFERENCES `conversations`(`conv_id`),
FOREIGN KEY (`user_id`) REFERENCES `users`(`user_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-- Create `user_profiles` table
CREATE TABLE `user_profiles` (
`profile_id` int(11) NOT NULL AUTO_INCREMENT,
`user_id` int(11) NOT NULL,
`birthdate` date DEFAULT NULL,
`bio` text DEFAULT NULL,
`location` varchar(255) DEFAULT NULL,
`img` varchar(255) NOT NULL, -- Added column for profile image
PRIMARY KEY (`profile_id`),
FOREIGN KEY (`user_id`) REFERENCES `users`(`user_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-- Create `user_settings` table
CREATE TABLE `user_settings` (
`settings_id` int(11) NOT NULL AUTO_INCREMENT,
`user_id` int(11) NOT NULL,
`theme` varchar(255) DEFAULT 'light',
`notifications` tinyint(1) DEFAULT 1,
`privacy` varchar(255) DEFAULT 'friends_only',
PRIMARY KEY (`settings_id`),
FOREIGN KEY (`user_id`) REFERENCES `users`(`user_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-- Create `attachments` table
CREATE TABLE `attachments` (
`attachment_id` int(11) NOT NULL AUTO_INCREMENT,
`msg_id` int(11) NOT NULL,
`file_path` varchar(255) NOT NULL,
PRIMARY KEY (`attachment_id`),
FOREIGN KEY (`msg_id`) REFERENCES `messages`(`msg_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
```
-------------------------------------------------------
## PHP-Chat Projektstruktur
```
php-chat
├─ assets
│ ├─ css
│ │ └─ style.css
│ ├─ model
│ │ ├─ complex_chat_ER_diagram.mmd
│ │ ├─ complex_UML.puml
│ │ ├─ simple_chat_ER_diagram.mmd
│ │ └─ simple_UML.puml
│ └─ sql
│ ├─ complex_chat_db.sql
│ └─ simple_chat_db.sql
├─ chat.php
├─ header.php
├─ index.php
├─ info.php
├─ javascript
│ ├─ chat.js
│ ├─ login.js
│ ├─ pass-show-hide.js
│ ├─ signup.js
│ └─ users.js
├─ login.php
├─ out
│ └─ assets
│ └─ model
│ ├─ complex_ER_diagram
│ │ └─ complex_chat_ER_diagram.mmd.png
│ ├─ complex_UML
│ │ └─ complex_UML.png
│ ├─ simple_ER_diagram
│ │ └─ simple_chat_ER_diagram.mmd.png
│ └─ simple_UML
│ └─ simple_UML.png
├─ php
│ ├─ config.php
│ ├─ confirm_password.php
│ ├─ data.php
│ ├─ get-chat.php
│ ├─ images
│ │ ├─ 1715077867user1-avatar.gif
│ │ ├─ 1715078174user2-avatar.jpeg
│ │ ├─ 1715083162user3-avatare.jpg
│ │ └─ default.jpg
│ ├─ insert-chat.php
│ ├─ login.php
│ ├─ logout.php
│ ├─ search.php
│ ├─ signup.php
│ └─ users.php
├─ README.md
├─ unzipper.php
└─ users.php
```
## Credits
### Creator
**Davain Pablo Edwards**
---
## License
GNU General Public License Version 3
Copyright (c) 2024 Davain Pablo Edwards
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
For further information regarding the license, please see: .