105 lines
4.1 KiB
SQL
105 lines
4.1 KiB
SQL
CREATE TABLE IF NOT EXISTS users(
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user_id VARCHAR(70) UNIQUE,
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internal_uuid UUID PRIMARY KEY,
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username VARCHAR(50) UNIQUE NOT NULL,
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password TEXT NOT NULL,
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profile_name VARCHAR(100),
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bio TEXT, --(Bonus)
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image_url TEXT,
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status VARCHAR(20) DEFAULT 'offline',
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last_seen TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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CREATE TABLE IF NOT EXISTS contacts (
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user_id UUID REFERENCES users(internal_uuid) ON DELETE CASCADE,
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contact_id UUID REFERENCES users(internal_uuid) ON DELETE CASCADE,
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added_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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is_blocked BOOLEAN DEFAULT FALSE,
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PRIMARY KEY (user_id, contact_id)
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);
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CREATE TABLE IF NOT EXISTS messages (
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message_id UUID PRIMARY KEY,
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sender_id UUID REFERENCES users(internal_uuid) ON DELETE SET NULL,
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receiver_type VARCHAR(20) NOT NULL CHECK (receiver_type IN ('private','group','channel')),
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receiver_id UUID NOT NULL ,
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content TEXT,
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message_type VARCHAR(20) DEFAULT 'TEXT' CHECK (message_type IN ('TEXT','IMAGE','FILE','VIDEO','AUDIO','STICKER','GIF')),
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file_url TEXT, --(Bouns)
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send_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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status VARCHAR(20), -- SEND,DELIVERED,READ
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reply_to_id UUID REFERENCES messages(message_id) ON DELETE SET NULL, --(Bouns)
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is_edited BOOLEAN DEFAULT FALSE, --(Bonus)
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original_message_id UUID REFERENCES messages(message_id)
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ON DELETE SET NULL, --(Bonus)
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forwarded_by UUID REFERENCES users(internal_uuid) ON DELETE SET NULL, --(Bouns)
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forwarded_from UUID REFERENCES users(internal_uuid) ON DELETE SET NULL --(Bouns)
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);
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CREATE TABLE IF NOT EXISTS private_chat (
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chat_id UUID PRIMARY KEY,
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user1_id UUID REFERENCES users(internal_uuid) ON DELETE SET NULL,
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user2_id UUID REFERENCES users(internal_uuid) ON DELETE SET NULL,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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CONSTRAINT unique_users UNIQUE (user1_id, user2_id)
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);
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CREATE TABLE IF NOT EXISTS groups (
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internal_uuid UUID PRIMARY KEY,
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group_id VARCHAR(70) UNIQUE,
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group_name VARCHAR(100),
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creator_id UUID REFERENCES users(internal_uuid),
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image_url TEXT,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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description TEXT
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);
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CREATE TABLE IF NOT EXISTS group_members (
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group_id UUID REFERENCES groups(internal_uuid) ON DELETE CASCADE,
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user_id UUID REFERENCES users(internal_uuid),
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joined_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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role VARCHAR(20) DEFAULT 'member', -- member/admin/owner
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PRIMARY KEY (group_id, user_id)
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);
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CREATE TABLE IF NOT EXISTS channels (
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channel_id VARCHAR(70) UNIQUE,
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internal_uuid UUID PRIMARY KEY,,
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channel_name VARCHAR(100),
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creator_id UUID REFERENCES users(internal_uuid),
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image_url TEXT,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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description TEXT
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);
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CREATE TABLE IF NOT EXISTS channel_subscribers (
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channel_id UUID REFERENCES channels(internal_uuid) ON DELETE CASCADE,
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user_id UUID REFERENCES users(internal_uuid),
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subscribed_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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PRIMARY KEY (channel_id, user_id)
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);
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--(Bouns)
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CREATE TABLE IF NOT EXISTS channel_admins (
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channel_id UUID REFERENCES channels(channel_id),
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user_id UUID REFERENCES users(internal_uuid),
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added_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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added_by UUID REFERENCES users(internal_uuid),
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role VARCHAR(20) DEFAULT 'admin', --owner, admin
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can_post BOOLEAN DEFAULT TRUE,
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can_edit BOOLEAN DEFAULT FALSE,
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can_delete_messages BOOLEAN DEFAULT FALSE,
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can_delete_members BOOLEAN DEFAULT FALSE,
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can_add_members BOOLEAN DEFAULT TRUE,
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PRIMARY KEY (channel_id, user_id)
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);
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CREATE TABLE IF NOT EXISTS message_receipts (
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message_id UUID REFERENCES messages(message_id) ON DELETE CASCADE,
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user_id UUID REFERENCES users(internal_uuid) ON DELETE CASCADE,
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read_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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PRIMARY KEY (message_id, user_id)
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);
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