mirror of
https://github.com/619dev/PaperPhone.git
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137 lines
7.4 KiB
SQL
137 lines
7.4 KiB
SQL
-- PaperPhone IM — Database Schema
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-- MySQL 8.0+ | utf8mb4 | InnoDB
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--
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-- Usage:
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-- Manual : mysql -u root -p paperphone < schema.sql
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-- Docker : mounted into /docker-entrypoint-initdb.d/
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-- Server : auto-executed on startup via index.js / initMomentsTables()
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--
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-- Note: CREATE DATABASE / USE are intentionally omitted.
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-- The target database must already be selected before importing.
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-- ── Users ─────────────────────────────────────────────────────────────────
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CREATE TABLE IF NOT EXISTS users (
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id VARCHAR(36) PRIMARY KEY,
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username VARCHAR(64) NOT NULL UNIQUE,
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nickname VARCHAR(128) NOT NULL,
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avatar VARCHAR(512) DEFAULT NULL,
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password VARCHAR(255) NOT NULL,
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-- ECDH Identity Key (Curve25519 public key, base64)
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ik_pub TEXT NOT NULL,
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-- Signed PreKey (Curve25519 public, base64)
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spk_pub TEXT NOT NULL,
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spk_sig TEXT NOT NULL,
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-- ML-KEM-768 long-term public key (base64)
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kem_pub TEXT NOT NULL,
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created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
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last_seen DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
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is_online TINYINT(1) NOT NULL DEFAULT 0,
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INDEX idx_username (username)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
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-- ── One-Time PreKeys (X3DH OPKs) ─────────────────────────────────────────
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CREATE TABLE IF NOT EXISTS prekeys (
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id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
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user_id VARCHAR(36) NOT NULL,
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key_id INT NOT NULL,
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opk_pub TEXT NOT NULL,
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used TINYINT(1) NOT NULL DEFAULT 0,
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FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
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INDEX idx_user_unused (user_id, used)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
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-- ── Friendships ───────────────────────────────────────────────────────────
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CREATE TABLE IF NOT EXISTS friends (
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id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
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user_id VARCHAR(36) NOT NULL,
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friend_id VARCHAR(36) NOT NULL,
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status ENUM('pending','accepted','blocked') NOT NULL DEFAULT 'pending',
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created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
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UNIQUE KEY uk_pair (user_id, friend_id),
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FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
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FOREIGN KEY (friend_id) REFERENCES users(id) ON DELETE CASCADE
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
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-- ── Groups ────────────────────────────────────────────────────────────────
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CREATE TABLE IF NOT EXISTS `groups` (
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id VARCHAR(36) PRIMARY KEY,
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name VARCHAR(128) NOT NULL,
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avatar VARCHAR(512) DEFAULT NULL,
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owner_id VARCHAR(36) NOT NULL,
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notice TEXT DEFAULT NULL,
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created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (owner_id) REFERENCES users(id)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
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-- ── Group Members ─────────────────────────────────────────────────────────
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CREATE TABLE IF NOT EXISTS group_members (
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group_id VARCHAR(36) NOT NULL,
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user_id VARCHAR(36) NOT NULL,
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role ENUM('owner','admin','member') NOT NULL DEFAULT 'member',
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joined_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
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PRIMARY KEY (group_id, user_id),
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FOREIGN KEY (group_id) REFERENCES `groups`(id) ON DELETE CASCADE,
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FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
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-- ── Messages ──────────────────────────────────────────────────────────────
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-- Server stores encrypted payloads for offline delivery only.
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-- Once delivered via WebSocket, messages may be pruned.
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CREATE TABLE IF NOT EXISTS messages (
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id VARCHAR(36) PRIMARY KEY,
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type ENUM('private','group') NOT NULL,
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from_id VARCHAR(36) NOT NULL,
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to_id VARCHAR(36) NOT NULL, -- user_id or group_id
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ciphertext LONGTEXT NOT NULL, -- base64 encrypted payload
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header TEXT DEFAULT NULL, -- ephemeral public key (for E2EE)
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msg_type ENUM('text','image','file','voice','video_call','system') NOT NULL DEFAULT 'text',
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created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
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delivered TINYINT(1) NOT NULL DEFAULT 0,
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read_at DATETIME DEFAULT NULL,
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INDEX idx_to_undelivered (to_id, delivered, created_at)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
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-- ── Moments (朋友圈) ──────────────────────────────────────────────────────
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CREATE TABLE IF NOT EXISTS moments (
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id BIGINT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
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user_id VARCHAR(36) NOT NULL,
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text_content VARCHAR(1024) NOT NULL DEFAULT '',
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created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
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INDEX idx_user_id (user_id),
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INDEX idx_created_at (created_at),
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FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
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-- ── Moment Images ─────────────────────────────────────────────────────────
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CREATE TABLE IF NOT EXISTS moment_images (
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id BIGINT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
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moment_id BIGINT UNSIGNED NOT NULL,
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url TEXT NOT NULL,
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sort_order TINYINT UNSIGNED NOT NULL DEFAULT 0,
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INDEX idx_moment_id (moment_id),
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FOREIGN KEY (moment_id) REFERENCES moments(id) ON DELETE CASCADE
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
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-- ── Moment Likes ──────────────────────────────────────────────────────────
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CREATE TABLE IF NOT EXISTS moment_likes (
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id BIGINT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
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moment_id BIGINT UNSIGNED NOT NULL,
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user_id VARCHAR(36) NOT NULL,
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created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
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UNIQUE KEY uniq_like (moment_id, user_id),
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FOREIGN KEY (moment_id) REFERENCES moments(id) ON DELETE CASCADE,
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FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
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-- ── Moment Comments ───────────────────────────────────────────────────────
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CREATE TABLE IF NOT EXISTS moment_comments (
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id BIGINT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
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moment_id BIGINT UNSIGNED NOT NULL,
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user_id VARCHAR(36) NOT NULL,
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text_content VARCHAR(512) NOT NULL,
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created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
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INDEX idx_moment_id (moment_id),
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FOREIGN KEY (moment_id) REFERENCES moments(id) ON DELETE CASCADE,
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FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
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