chatbot-ui/supabase/migrations/20240108234542_add_workspac...

91 lines
2.4 KiB
PL/PgSQL

--------------- WORKSPACES ---------------
-- TABLE --
CREATE TABLE IF NOT EXISTS workspaces (
-- ID
id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
-- RELATIONSHIPS
user_id UUID NOT NULL REFERENCES auth.users(id) ON DELETE CASCADE,
-- METADATA
created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMPTZ,
-- SHARING
sharing TEXT NOT NULL DEFAULT 'private',
-- REQUIRED
default_context_length INTEGER NOT NULL,
default_model TEXT NOT NULL CHECK (char_length(default_model) <= 1000),
default_prompt TEXT NOT NULL CHECK (char_length(default_prompt) <= 100000),
default_temperature REAL NOT NULL,
description TEXT NOT NULL CHECK (char_length(description) <= 500),
embeddings_provider TEXT NOT NULL CHECK (char_length(embeddings_provider) <= 1000),
include_profile_context BOOLEAN NOT NULL,
include_workspace_instructions BOOLEAN NOT NULL,
instructions TEXT NOT NULL CHECK (char_length(instructions) <= 1500),
is_home BOOLEAN NOT NULL DEFAULT FALSE,
name TEXT NOT NULL CHECK (char_length(name) <= 100)
);
-- INDEXES --
CREATE INDEX idx_workspaces_user_id ON workspaces (user_id);
-- RLS --
ALTER TABLE workspaces ENABLE ROW LEVEL SECURITY;
CREATE POLICY "Allow full access to own workspaces"
ON workspaces
USING (user_id = auth.uid())
WITH CHECK (user_id = auth.uid());
CREATE POLICY "Allow view access to non-private workspaces"
ON workspaces
FOR SELECT
USING (sharing <> 'private');
-- FUNCTIONS --
CREATE OR REPLACE FUNCTION prevent_home_field_update()
RETURNS TRIGGER AS $$
BEGIN
IF NEW.is_home IS DISTINCT FROM OLD.is_home THEN
RAISE EXCEPTION 'Updating the home field of workspace is not allowed.';
END IF;
RETURN NEW;
END;
$$ LANGUAGE plpgsql;
-- TRIGGERS --
CREATE TRIGGER update_workspaces_updated_at
BEFORE UPDATE ON workspaces
FOR EACH ROW
EXECUTE PROCEDURE update_updated_at_column();
CREATE OR REPLACE FUNCTION prevent_home_workspace_deletion()
RETURNS TRIGGER AS $$
BEGIN
IF OLD.is_home THEN
RAISE EXCEPTION 'Home workspace deletion is not allowed.';
END IF;
RETURN OLD;
END;
$$ LANGUAGE plpgsql;
CREATE TRIGGER prevent_update_of_home_field
BEFORE UPDATE ON workspaces
FOR EACH ROW
EXECUTE PROCEDURE prevent_home_field_update();
-- INDEXES --
CREATE UNIQUE INDEX idx_unique_home_workspace_per_user
ON workspaces(user_id)
WHERE is_home;