Maciej Pienczyn
d4fd1f3b06
Add 5 new SQLAlchemy models (Conversation, ConversationMember, ConvMessage, MessageReaction, MessagePin) and extend MessageAttachment with conv_message_id FK. Migration 091 creates all tables with indexes, FKs, and grants. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
97 lines
4.0 KiB
PL/PgSQL
97 lines
4.0 KiB
PL/PgSQL
-- 091_messaging_redesign.sql
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-- Unified conversation model: replaces separate private_messages + message_group
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-- Conversations (1:1 and group), messages, reactions, pins
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BEGIN;
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-- Unified conversations (1:1 or group)
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CREATE TABLE conversations (
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id SERIAL PRIMARY KEY,
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name VARCHAR(255),
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is_group BOOLEAN NOT NULL DEFAULT FALSE,
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owner_id INTEGER REFERENCES users(id) ON DELETE SET NULL,
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created_at TIMESTAMP NOT NULL DEFAULT NOW(),
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updated_at TIMESTAMP NOT NULL DEFAULT NOW(),
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last_message_id INTEGER -- FK added below after conv_messages exists
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);
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CREATE INDEX idx_conversations_owner ON conversations(owner_id);
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CREATE INDEX idx_conversations_updated ON conversations(updated_at DESC);
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-- Conversation membership
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CREATE TABLE conversation_members (
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conversation_id INTEGER NOT NULL REFERENCES conversations(id) ON DELETE CASCADE,
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user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
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role VARCHAR(20) NOT NULL DEFAULT 'member',
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last_read_at TIMESTAMP,
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is_muted BOOLEAN NOT NULL DEFAULT FALSE,
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is_archived BOOLEAN NOT NULL DEFAULT FALSE,
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joined_at TIMESTAMP NOT NULL DEFAULT NOW(),
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added_by_id INTEGER REFERENCES users(id) ON DELETE SET NULL,
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PRIMARY KEY (conversation_id, user_id)
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);
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CREATE INDEX idx_conversation_members_user ON conversation_members(user_id);
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-- Messages within a conversation
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CREATE TABLE conv_messages (
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id SERIAL PRIMARY KEY,
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conversation_id INTEGER NOT NULL REFERENCES conversations(id) ON DELETE CASCADE,
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sender_id INTEGER REFERENCES users(id) ON DELETE SET NULL,
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content TEXT NOT NULL,
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reply_to_id INTEGER REFERENCES conv_messages(id) ON DELETE SET NULL,
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edited_at TIMESTAMP,
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is_deleted BOOLEAN NOT NULL DEFAULT FALSE,
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link_preview JSONB,
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created_at TIMESTAMP NOT NULL DEFAULT NOW()
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);
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CREATE INDEX idx_conv_messages_conversation ON conv_messages(conversation_id);
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CREATE INDEX idx_conv_messages_created ON conv_messages(created_at);
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CREATE INDEX idx_conv_messages_conversation_created ON conv_messages(conversation_id, created_at);
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-- Now add the deferred FK from conversations.last_message_id -> conv_messages.id
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ALTER TABLE conversations
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ADD CONSTRAINT fk_conversations_last_message
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FOREIGN KEY (last_message_id) REFERENCES conv_messages(id) ON DELETE SET NULL;
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-- Emoji reactions on messages
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CREATE TABLE message_reactions (
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id SERIAL PRIMARY KEY,
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message_id INTEGER NOT NULL REFERENCES conv_messages(id) ON DELETE CASCADE,
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user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
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emoji VARCHAR(10) NOT NULL,
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created_at TIMESTAMP NOT NULL DEFAULT NOW(),
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CONSTRAINT uq_message_reaction UNIQUE (message_id, user_id, emoji)
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);
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CREATE INDEX idx_message_reactions_message ON message_reactions(message_id);
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-- Pinned messages
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CREATE TABLE message_pins (
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id SERIAL PRIMARY KEY,
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conversation_id INTEGER NOT NULL REFERENCES conversations(id) ON DELETE CASCADE,
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message_id INTEGER NOT NULL REFERENCES conv_messages(id) ON DELETE CASCADE,
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pinned_by_id INTEGER REFERENCES users(id) ON DELETE SET NULL,
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created_at TIMESTAMP NOT NULL DEFAULT NOW()
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);
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CREATE INDEX idx_message_pins_conversation ON message_pins(conversation_id);
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-- Extend message_attachments to support conv_messages
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ALTER TABLE message_attachments ADD COLUMN conv_message_id INTEGER REFERENCES conv_messages(id) ON DELETE CASCADE;
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CREATE INDEX idx_message_attachments_conv ON message_attachments(conv_message_id) WHERE conv_message_id IS NOT NULL;
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-- Grants
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GRANT ALL ON TABLE conversations TO nordabiz_app;
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GRANT ALL ON TABLE conversation_members TO nordabiz_app;
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GRANT ALL ON TABLE conv_messages TO nordabiz_app;
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GRANT ALL ON TABLE message_reactions TO nordabiz_app;
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GRANT ALL ON TABLE message_pins TO nordabiz_app;
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GRANT USAGE, SELECT ON SEQUENCE conversations_id_seq TO nordabiz_app;
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GRANT USAGE, SELECT ON SEQUENCE conv_messages_id_seq TO nordabiz_app;
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GRANT USAGE, SELECT ON SEQUENCE message_reactions_id_seq TO nordabiz_app;
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GRANT USAGE, SELECT ON SEQUENCE message_pins_id_seq TO nordabiz_app;
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COMMIT;
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