64 lines
3.1 KiB
PL/PgSQL
64 lines
3.1 KiB
PL/PgSQL
-- Create labels table
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CREATE TABLE labels (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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user_id UUID REFERENCES users(id) ON DELETE CASCADE, -- nullable for system labels
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name VARCHAR(255) NOT NULL,
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description TEXT,
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color VARCHAR(7) NOT NULL DEFAULT '#0969da', -- hex color code
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background_color VARCHAR(7), -- optional background color
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icon VARCHAR(100), -- optional icon identifier
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is_system BOOLEAN NOT NULL DEFAULT FALSE, -- system labels vs user labels
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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CONSTRAINT unique_user_label_name UNIQUE (user_id, name)
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);
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-- Create document_labels junction table
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CREATE TABLE document_labels (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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document_id UUID NOT NULL REFERENCES documents(id) ON DELETE CASCADE,
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label_id UUID NOT NULL REFERENCES labels(id) ON DELETE CASCADE,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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UNIQUE(document_id, label_id) -- prevent duplicate assignments
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);
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-- Create source_labels junction table
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CREATE TABLE source_labels (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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source_id UUID NOT NULL REFERENCES sources(id) ON DELETE CASCADE,
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label_id UUID NOT NULL REFERENCES labels(id) ON DELETE CASCADE,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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UNIQUE(source_id, label_id) -- prevent duplicate assignments
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);
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-- Create indexes for performance
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CREATE INDEX idx_labels_user_id ON labels(user_id);
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CREATE INDEX idx_labels_name ON labels(name);
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CREATE INDEX idx_labels_is_system ON labels(is_system);
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CREATE INDEX idx_document_labels_document_id ON document_labels(document_id);
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CREATE INDEX idx_document_labels_label_id ON document_labels(label_id);
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CREATE INDEX idx_source_labels_source_id ON source_labels(source_id);
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CREATE INDEX idx_source_labels_label_id ON source_labels(label_id);
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-- Add unique constraint for system labels (where user_id is NULL)
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CREATE UNIQUE INDEX idx_system_labels_unique_name ON labels(name) WHERE user_id IS NULL;
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-- Create updated_at trigger for labels table
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CREATE OR REPLACE FUNCTION update_updated_at_column()
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RETURNS TRIGGER AS $$
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BEGIN
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NEW.updated_at = NOW();
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RETURN NEW;
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END;
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$$ language 'plpgsql';
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CREATE TRIGGER update_labels_updated_at BEFORE UPDATE ON labels
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FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
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-- Insert some default system labels (user_id is NULL for system labels)
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INSERT INTO labels (id, user_id, name, description, color, is_system, created_at, updated_at) VALUES
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('00000000-0000-0000-0000-000000000001', NULL, 'Important', 'High priority documents', '#d73a49', TRUE, NOW(), NOW()),
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('00000000-0000-0000-0000-000000000002', NULL, 'To Review', 'Documents that need review', '#f66a0a', TRUE, NOW(), NOW()),
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('00000000-0000-0000-0000-000000000003', NULL, 'Archive', 'Archived documents', '#6f42c1', TRUE, NOW(), NOW()),
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('00000000-0000-0000-0000-000000000004', NULL, 'Work', 'Work-related documents', '#0969da', TRUE, NOW(), NOW()),
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('00000000-0000-0000-0000-000000000005', NULL, 'Personal', 'Personal documents', '#1a7f37', TRUE, NOW(), NOW()); |