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Extrudex/backend/migrations/000002_seed_data.up.sql
Joshua a5a9f42d06
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CUB-111: design PostgreSQL schema for Extrudex Go backend
- Add migration 000001: initial schema with all lookup tables, core entities,
  and app settings table
- Add migration 000002: seed data for printer types, job statuses, material
  bases, finishes, modifiers, and default settings
- Add Go model structs in internal/models with json tags and pointer types
  for nullable fields
- Add go.mod with pgx dependency

Key decisions:
- FK ON DELETE: RESTRICT on material_base/finish/printer, SET NULL on
  optional parents (modifier, spool on print_jobs), CASCADE for usage_logs
- Soft-delete (deleted_at) on spools and print_jobs
- Lookup tables for printer_type and job_status (no raw enums)
- Partial indexes for active spools, barcode scans, low-stock queries
- Settings table with JSONB values for flexible app config
- All identifiers snake_case
2026-05-06 11:51:00 -04:00

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-- Seed Data: Extrudex common reference data
-- Author: Hex
-- Date: 2026-05-06
--
-- IMPORTANT: IDs are explicitly assigned to satisfy the DEFAULT constraints:
-- - filament_spools.material_finish_id DEFAULT 1 ("Basic")
-- - print_jobs.job_status_id DEFAULT 1 ("pending")
--
-- Density values sourced from common manufacturer specifications.
-- Temperature ranges are conservative/typical; users can override per-spool.
BEGIN;
-- ============================================================================
-- Printer Types
-- ============================================================================
INSERT INTO printer_types (id, name) VALUES
(1, 'fdm'),
(2, 'resin')
ON CONFLICT (id) DO NOTHING;
-- Reset the sequence so future inserts start after our explicit IDs
SELECT setval('printer_types_id_seq', GREATEST(2, (SELECT MAX(id) FROM printer_types)));
-- ============================================================================
-- Job Statuses
-- ============================================================================
INSERT INTO job_statuses (id, name) VALUES
(1, 'pending'),
(2, 'printing'),
(3, 'paused'),
(4, 'completed'),
(5, 'failed'),
(6, 'cancelled')
ON CONFLICT (id) DO NOTHING;
SELECT setval('job_statuses_id_seq', GREATEST(6, (SELECT MAX(id) FROM job_statuses)));
-- ============================================================================
-- Material Bases (common filament types)
-- ============================================================================
INSERT INTO material_bases (id, name, density_g_cm3, extrusion_temp_min, extrusion_temp_max, bed_temp_min, bed_temp_max) VALUES
(1, 'PLA', 1.24, 190, 220, 0, 60),
(2, 'PETG', 1.27, 230, 250, 70, 90),
(3, 'ABS', 1.04, 230, 260, 90, 110),
(4, 'TPU', 1.21, 220, 250, 0, 60),
(5, 'ASA', 1.07, 240, 260, 90, 110),
(6, 'Nylon', 1.14, 240, 280, 70, 100),
(7, 'PC', 1.20, 260, 310, 90, 120)
ON CONFLICT (id) DO NOTHING;
SELECT setval('material_bases_id_seq', GREATEST(7, (SELECT MAX(id) FROM material_bases)));
-- ============================================================================
-- Material Finishes
-- ============================================================================
-- ID 1 = "Basic" is the default for new spools (DEFAULT 1 constraint)
INSERT INTO material_finishes (id, name, description) VALUES
(1, 'Basic', 'Standard solid-color filament with no special finish'),
(2, 'Silk', 'Glossy silk-like sheen, often used for decorative prints'),
(3, 'Matte', 'Flat non-reflective surface finish'),
(4, 'Glossy', 'High-shine reflective surface'),
(5, 'Satin', 'Semi-gloss between matte and glossy')
ON CONFLICT (id) DO NOTHING;
SELECT setval('material_finishes_id_seq', GREATEST(5, (SELECT MAX(id) FROM material_finishes)));
-- ============================================================================
-- Material Modifiers
-- ============================================================================
INSERT INTO material_modifiers (id, name, description) VALUES
(1, 'Wood-Filled', 'Contains wood fibers for natural wood-like appearance and texture'),
(2, 'Carbon Fiber', 'Reinforced with carbon fibers for increased stiffness and strength'),
(3, 'Glow-in-Dark', 'Phosphorescent additive that glows after exposure to light'),
(4, 'Marble', 'Contains specks for a stone-like marble appearance')
ON CONFLICT (id) DO NOTHING;
SELECT setval('material_modifiers_id_seq', GREATEST(4, (SELECT MAX(id) FROM material_modifiers)));
-- ============================================================================
-- Default Application Settings
-- ============================================================================
INSERT INTO settings (key, value, description) VALUES
('default_low_stock_threshold_grams', '50', 'Default grams threshold for low-stock alerts on new spools'),
('default_diameter_mm', '1.75', 'Default filament diameter for new spools (1.75mm is the modern standard)'),
('filament_cross_section_area_mm2', '2.405', 'Cross-sectional area for 1.75mm filament: π × (1.75/2)²')
ON CONFLICT (key) DO NOTHING;
COMMIT;