20 lines
936 B
SQL
20 lines
936 B
SQL
-- Migration: Add document sharing with permissions
|
|
-- Run against existing database
|
|
|
|
CREATE TABLE IF NOT EXISTS document_shares (
|
|
id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
|
|
document_id UUID NOT NULL REFERENCES documents(id) ON DELETE CASCADE,
|
|
user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
|
|
permission VARCHAR(20) NOT NULL CHECK (permission IN ('view', 'edit')),
|
|
created_at TIMESTAMPTZ DEFAULT NOW(),
|
|
created_by UUID REFERENCES users(id) ON DELETE SET NULL,
|
|
UNIQUE(document_id, user_id)
|
|
);
|
|
|
|
CREATE INDEX idx_shares_document_id ON document_shares(document_id);
|
|
CREATE INDEX idx_shares_user_id ON document_shares(user_id);
|
|
CREATE INDEX idx_shares_permission ON document_shares(document_id, permission);
|
|
|
|
COMMENT ON TABLE document_shares IS 'Stores per-user document access permissions';
|
|
COMMENT ON COLUMN document_shares.permission IS 'Access level: view (read-only) or edit (read-write)';
|