feat(MMD-013): Add assets schema DDL
- 6 tables: asset_categories, assets, asset_assignments, asset_audits, asset_audit_items, asset_maintenance - Multiple enums for status tracking - RLS policies for multi-tenancy - Triggers for automatic updates - Views for common queries Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Adrian Flores Cortes
parent
d72145f0b7
commit
daabe5320a
497
init/15-assets-schema.sql
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497
init/15-assets-schema.sql
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-- ============================================================================
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-- ASSETS SCHEMA - MMD-013 Asset Management
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-- Mecánicas Diesel - ERP Suite
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-- ============================================================================
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-- Schema for asset/tool management with assignment tracking, audits, and maintenance
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-- ============================================================================
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-- Create schema
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CREATE SCHEMA IF NOT EXISTS assets;
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-- Set search path
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SET search_path TO assets, public;
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-- ============================================================================
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-- ENUMS
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-- ============================================================================
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CREATE TYPE asset_status AS ENUM (
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'available',
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'assigned',
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'in_maintenance',
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'damaged',
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'retired'
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);
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CREATE TYPE asset_location AS ENUM (
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'warehouse',
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'unit',
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'technician',
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'external'
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);
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CREATE TYPE criticality_level AS ENUM (
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'low',
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'medium',
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'high',
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'critical'
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);
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CREATE TYPE assignee_type AS ENUM (
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'employee',
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'unit',
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'location'
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);
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CREATE TYPE assignment_status AS ENUM (
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'active',
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'returned',
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'overdue',
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'lost',
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'damaged'
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);
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CREATE TYPE audit_status AS ENUM (
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'in_progress',
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'completed',
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'cancelled'
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);
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CREATE TYPE audit_item_status AS ENUM (
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'found',
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'missing',
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'damaged',
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'extra'
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);
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CREATE TYPE item_condition AS ENUM (
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'good',
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'fair',
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'poor'
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);
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CREATE TYPE maintenance_type AS ENUM (
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'preventive',
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'corrective',
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'calibration'
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);
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CREATE TYPE maintenance_status AS ENUM (
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'scheduled',
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'in_progress',
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'completed',
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'cancelled'
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);
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-- ============================================================================
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-- TABLE: asset_categories
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-- ============================================================================
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CREATE TABLE asset_categories (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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tenant_id UUID NOT NULL,
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name VARCHAR(100) NOT NULL,
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description TEXT,
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parent_id UUID REFERENCES asset_categories(id) ON DELETE SET NULL,
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requires_service_types TEXT[], -- Service types that require this category
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sort_order INTEGER DEFAULT 0,
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is_active BOOLEAN DEFAULT TRUE,
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created_at TIMESTAMPTZ DEFAULT NOW(),
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updated_at TIMESTAMPTZ DEFAULT NOW(),
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CONSTRAINT uq_asset_categories_name UNIQUE (tenant_id, name)
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);
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CREATE INDEX idx_asset_categories_tenant ON asset_categories(tenant_id);
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CREATE INDEX idx_asset_categories_parent ON asset_categories(parent_id);
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-- ============================================================================
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-- TABLE: assets
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-- ============================================================================
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CREATE TABLE assets (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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tenant_id UUID NOT NULL,
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code VARCHAR(50) NOT NULL,
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name VARCHAR(150) NOT NULL,
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description TEXT,
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category_id UUID NOT NULL REFERENCES asset_categories(id),
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serial_number VARCHAR(100),
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qr_code VARCHAR(100),
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barcode VARCHAR(100),
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manufacturer VARCHAR(100),
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model VARCHAR(100),
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purchase_date DATE,
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purchase_cost DECIMAL(12, 2),
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warranty_expiry DATE,
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status asset_status DEFAULT 'available',
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current_location asset_location DEFAULT 'warehouse',
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current_assignee_id UUID,
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current_assignee_type assignee_type,
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criticality criticality_level DEFAULT 'medium',
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requires_calibration BOOLEAN DEFAULT FALSE,
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last_calibration_date DATE,
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next_calibration_date DATE,
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photo_url TEXT,
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metadata JSONB DEFAULT '{}',
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created_at TIMESTAMPTZ DEFAULT NOW(),
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updated_at TIMESTAMPTZ DEFAULT NOW(),
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created_by UUID,
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CONSTRAINT uq_assets_code UNIQUE (tenant_id, code),
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CONSTRAINT uq_assets_qr_code UNIQUE (tenant_id, qr_code),
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CONSTRAINT uq_assets_barcode UNIQUE (tenant_id, barcode)
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);
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CREATE INDEX idx_assets_tenant ON assets(tenant_id);
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CREATE INDEX idx_assets_category ON assets(category_id);
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CREATE INDEX idx_assets_status ON assets(status);
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CREATE INDEX idx_assets_location ON assets(current_location);
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CREATE INDEX idx_assets_assignee ON assets(current_assignee_id);
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CREATE INDEX idx_assets_qr ON assets(qr_code) WHERE qr_code IS NOT NULL;
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CREATE INDEX idx_assets_barcode ON assets(barcode) WHERE barcode IS NOT NULL;
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CREATE INDEX idx_assets_calibration ON assets(next_calibration_date) WHERE requires_calibration = TRUE;
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-- ============================================================================
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-- TABLE: asset_assignments
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-- ============================================================================
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CREATE TABLE asset_assignments (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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tenant_id UUID NOT NULL,
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asset_id UUID NOT NULL REFERENCES assets(id),
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assignee_id UUID NOT NULL,
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assignee_type assignee_type NOT NULL,
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assigned_at TIMESTAMPTZ DEFAULT NOW(),
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assigned_by UUID NOT NULL,
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expected_return_at TIMESTAMPTZ,
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actual_return_at TIMESTAMPTZ,
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returned_to UUID,
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status assignment_status DEFAULT 'active',
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assignment_photo_url TEXT,
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return_photo_url TEXT,
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notes TEXT,
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signature_url TEXT,
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incident_id UUID, -- FK to rescue_order if applicable
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metadata JSONB DEFAULT '{}',
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created_at TIMESTAMPTZ DEFAULT NOW(),
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CONSTRAINT chk_return_dates CHECK (actual_return_at IS NULL OR actual_return_at >= assigned_at)
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);
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CREATE INDEX idx_asset_assignments_tenant ON asset_assignments(tenant_id);
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CREATE INDEX idx_asset_assignments_asset ON asset_assignments(asset_id);
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CREATE INDEX idx_asset_assignments_assignee ON asset_assignments(assignee_id, assignee_type);
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CREATE INDEX idx_asset_assignments_status ON asset_assignments(status);
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CREATE INDEX idx_asset_assignments_incident ON asset_assignments(incident_id) WHERE incident_id IS NOT NULL;
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CREATE INDEX idx_asset_assignments_active ON asset_assignments(asset_id) WHERE status = 'active';
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-- ============================================================================
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-- TABLE: asset_audits
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-- ============================================================================
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CREATE TABLE asset_audits (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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tenant_id UUID NOT NULL,
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audit_date DATE NOT NULL,
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auditor_id UUID NOT NULL,
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location_id UUID,
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unit_id UUID,
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technician_id UUID,
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status audit_status DEFAULT 'in_progress',
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total_assets INTEGER DEFAULT 0,
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found_assets INTEGER DEFAULT 0,
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missing_assets INTEGER DEFAULT 0,
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damaged_assets INTEGER DEFAULT 0,
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notes TEXT,
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started_at TIMESTAMPTZ DEFAULT NOW(),
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completed_at TIMESTAMPTZ,
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metadata JSONB DEFAULT '{}',
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created_at TIMESTAMPTZ DEFAULT NOW()
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);
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CREATE INDEX idx_asset_audits_tenant ON asset_audits(tenant_id);
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CREATE INDEX idx_asset_audits_date ON asset_audits(audit_date);
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CREATE INDEX idx_asset_audits_auditor ON asset_audits(auditor_id);
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CREATE INDEX idx_asset_audits_status ON asset_audits(status);
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CREATE INDEX idx_asset_audits_unit ON asset_audits(unit_id) WHERE unit_id IS NOT NULL;
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CREATE INDEX idx_asset_audits_technician ON asset_audits(technician_id) WHERE technician_id IS NOT NULL;
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-- ============================================================================
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-- TABLE: asset_audit_items
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-- ============================================================================
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CREATE TABLE asset_audit_items (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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audit_id UUID NOT NULL REFERENCES asset_audits(id) ON DELETE CASCADE,
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asset_id UUID REFERENCES assets(id),
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status audit_item_status NOT NULL,
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condition item_condition,
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notes TEXT,
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photo_url TEXT,
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scanned_at TIMESTAMPTZ DEFAULT NOW(),
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scanned_by UUID,
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CONSTRAINT uq_audit_items_asset UNIQUE (audit_id, asset_id)
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);
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CREATE INDEX idx_asset_audit_items_audit ON asset_audit_items(audit_id);
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CREATE INDEX idx_asset_audit_items_asset ON asset_audit_items(asset_id);
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CREATE INDEX idx_asset_audit_items_status ON asset_audit_items(status);
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-- ============================================================================
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-- TABLE: asset_maintenance
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-- ============================================================================
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CREATE TABLE asset_maintenance (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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tenant_id UUID NOT NULL,
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asset_id UUID NOT NULL REFERENCES assets(id),
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maintenance_type maintenance_type NOT NULL,
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scheduled_date DATE,
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performed_date DATE,
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performed_by UUID,
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external_vendor VARCHAR(200),
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cost DECIMAL(12, 2),
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description TEXT NOT NULL,
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result TEXT,
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next_maintenance_date DATE,
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status maintenance_status DEFAULT 'scheduled',
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metadata JSONB DEFAULT '{}',
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created_at TIMESTAMPTZ DEFAULT NOW(),
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updated_at TIMESTAMPTZ DEFAULT NOW(),
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created_by UUID
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);
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CREATE INDEX idx_asset_maintenance_tenant ON asset_maintenance(tenant_id);
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CREATE INDEX idx_asset_maintenance_asset ON asset_maintenance(asset_id);
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CREATE INDEX idx_asset_maintenance_type ON asset_maintenance(maintenance_type);
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CREATE INDEX idx_asset_maintenance_status ON asset_maintenance(status);
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CREATE INDEX idx_asset_maintenance_scheduled ON asset_maintenance(scheduled_date) WHERE status = 'scheduled';
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-- ============================================================================
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-- FUNCTIONS
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-- ============================================================================
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-- Function to update asset status when assigned
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CREATE OR REPLACE FUNCTION update_asset_on_assignment()
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RETURNS TRIGGER AS $$
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BEGIN
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IF NEW.status = 'active' THEN
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UPDATE assets
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SET
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status = 'assigned',
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current_location = CASE NEW.assignee_type
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WHEN 'employee' THEN 'technician'
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WHEN 'unit' THEN 'unit'
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ELSE 'external'
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END,
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current_assignee_id = NEW.assignee_id,
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current_assignee_type = NEW.assignee_type,
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updated_at = NOW()
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WHERE id = NEW.asset_id;
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ELSIF NEW.status IN ('returned', 'lost', 'damaged') AND OLD.status = 'active' THEN
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UPDATE assets
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SET
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status = CASE NEW.status
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WHEN 'lost' THEN 'retired'
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WHEN 'damaged' THEN 'damaged'
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ELSE 'available'
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END,
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current_location = 'warehouse',
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current_assignee_id = NULL,
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current_assignee_type = NULL,
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updated_at = NOW()
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WHERE id = NEW.asset_id;
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END IF;
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RETURN NEW;
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END;
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$$ LANGUAGE plpgsql;
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CREATE TRIGGER trg_asset_assignment_status
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AFTER INSERT OR UPDATE OF status ON asset_assignments
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FOR EACH ROW
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EXECUTE FUNCTION update_asset_on_assignment();
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-- Function to update audit counts
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CREATE OR REPLACE FUNCTION update_audit_counts()
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RETURNS TRIGGER AS $$
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BEGIN
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UPDATE asset_audits
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SET
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total_assets = (SELECT COUNT(*) FROM asset_audit_items WHERE audit_id = COALESCE(NEW.audit_id, OLD.audit_id)),
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found_assets = (SELECT COUNT(*) FROM asset_audit_items WHERE audit_id = COALESCE(NEW.audit_id, OLD.audit_id) AND status = 'found'),
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missing_assets = (SELECT COUNT(*) FROM asset_audit_items WHERE audit_id = COALESCE(NEW.audit_id, OLD.audit_id) AND status = 'missing'),
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damaged_assets = (SELECT COUNT(*) FROM asset_audit_items WHERE audit_id = COALESCE(NEW.audit_id, OLD.audit_id) AND status = 'damaged')
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WHERE id = COALESCE(NEW.audit_id, OLD.audit_id);
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RETURN COALESCE(NEW, OLD);
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END;
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$$ LANGUAGE plpgsql;
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CREATE TRIGGER trg_audit_items_count
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AFTER INSERT OR UPDATE OR DELETE ON asset_audit_items
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FOR EACH ROW
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EXECUTE FUNCTION update_audit_counts();
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-- Function to auto-update timestamps
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CREATE OR REPLACE FUNCTION assets_update_timestamp()
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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 trg_assets_updated_at
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BEFORE UPDATE ON assets
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FOR EACH ROW
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EXECUTE FUNCTION assets_update_timestamp();
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CREATE TRIGGER trg_asset_maintenance_updated_at
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BEFORE UPDATE ON asset_maintenance
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FOR EACH ROW
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EXECUTE FUNCTION assets_update_timestamp();
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CREATE TRIGGER trg_asset_categories_updated_at
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BEFORE UPDATE ON asset_categories
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FOR EACH ROW
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EXECUTE FUNCTION assets_update_timestamp();
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-- ============================================================================
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-- VIEWS
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-- ============================================================================
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-- View: Assets with current assignment info
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CREATE OR REPLACE VIEW vw_assets_with_assignment AS
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SELECT
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a.*,
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c.name AS category_name,
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aa.id AS active_assignment_id,
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aa.assignee_id,
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aa.assignee_type,
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aa.assigned_at,
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aa.expected_return_at,
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CASE
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WHEN aa.expected_return_at IS NOT NULL AND aa.expected_return_at < NOW()
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THEN TRUE
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ELSE FALSE
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END AS is_overdue
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FROM assets a
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LEFT JOIN asset_categories c ON a.category_id = c.id
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LEFT JOIN asset_assignments aa ON a.id = aa.asset_id AND aa.status = 'active';
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-- View: Assets requiring calibration soon
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CREATE OR REPLACE VIEW vw_assets_calibration_due AS
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SELECT
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a.id,
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a.tenant_id,
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a.code,
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a.name,
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a.next_calibration_date,
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a.current_location,
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a.current_assignee_id,
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EXTRACT(DAY FROM a.next_calibration_date - NOW()) AS days_until_due
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FROM assets a
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WHERE a.requires_calibration = TRUE
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AND a.status != 'retired'
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AND a.next_calibration_date <= NOW() + INTERVAL '30 days'
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ORDER BY a.next_calibration_date;
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-- View: Asset assignment history
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CREATE OR REPLACE VIEW vw_asset_assignment_history AS
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SELECT
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aa.*,
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a.code AS asset_code,
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a.name AS asset_name,
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a.category_id,
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c.name AS category_name
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FROM asset_assignments aa
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JOIN assets a ON aa.asset_id = a.id
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JOIN asset_categories c ON a.category_id = c.id
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ORDER BY aa.assigned_at DESC;
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-- View: Audit summary
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CREATE OR REPLACE VIEW vw_audit_summary AS
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SELECT
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au.id,
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au.tenant_id,
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au.audit_date,
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au.auditor_id,
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au.status,
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au.total_assets,
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au.found_assets,
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au.missing_assets,
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au.damaged_assets,
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CASE
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WHEN au.total_assets > 0
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THEN ROUND((au.found_assets::DECIMAL / au.total_assets) * 100, 2)
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ELSE 0
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END AS accuracy_percentage,
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au.started_at,
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au.completed_at,
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EXTRACT(EPOCH FROM (COALESCE(au.completed_at, NOW()) - au.started_at)) / 60 AS duration_minutes
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FROM asset_audits au;
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-- ============================================================================
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-- ROW LEVEL SECURITY
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-- ============================================================================
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-- Enable RLS on all tables
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ALTER TABLE asset_categories ENABLE ROW LEVEL SECURITY;
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ALTER TABLE assets ENABLE ROW LEVEL SECURITY;
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ALTER TABLE asset_assignments ENABLE ROW LEVEL SECURITY;
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ALTER TABLE asset_audits ENABLE ROW LEVEL SECURITY;
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ALTER TABLE asset_audit_items ENABLE ROW LEVEL SECURITY;
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ALTER TABLE asset_maintenance ENABLE ROW LEVEL SECURITY;
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-- Create policies for tenant isolation
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CREATE POLICY asset_categories_tenant_isolation ON asset_categories
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USING (tenant_id = current_setting('app.current_tenant')::UUID);
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CREATE POLICY assets_tenant_isolation ON assets
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USING (tenant_id = current_setting('app.current_tenant')::UUID);
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CREATE POLICY asset_assignments_tenant_isolation ON asset_assignments
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USING (tenant_id = current_setting('app.current_tenant')::UUID);
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CREATE POLICY asset_audits_tenant_isolation ON asset_audits
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USING (tenant_id = current_setting('app.current_tenant')::UUID);
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CREATE POLICY asset_audit_items_tenant_isolation ON asset_audit_items
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USING (audit_id IN (SELECT id FROM asset_audits WHERE tenant_id = current_setting('app.current_tenant')::UUID));
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CREATE POLICY asset_maintenance_tenant_isolation ON asset_maintenance
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USING (tenant_id = current_setting('app.current_tenant')::UUID);
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-- ============================================================================
|
||||
-- SEED DATA (sample categories)
|
||||
-- ============================================================================
|
||||
|
||||
-- Note: In production, seed data should be added via migration scripts
|
||||
-- These are example categories for reference:
|
||||
/*
|
||||
INSERT INTO asset_categories (tenant_id, name, description, sort_order) VALUES
|
||||
('00000000-0000-0000-0000-000000000001', 'Herramientas Manuales', 'Llaves, desarmadores, pinzas', 1),
|
||||
('00000000-0000-0000-0000-000000000001', 'Herramientas Eléctricas', 'Taladros, esmeriles, etc.', 2),
|
||||
('00000000-0000-0000-0000-000000000001', 'Equipos de Diagnóstico', 'Scanners, multímetros', 3),
|
||||
('00000000-0000-0000-0000-000000000001', 'Equipos de Rescate', 'Grúas, gatos hidráulicos', 4),
|
||||
('00000000-0000-0000-0000-000000000001', 'Equipos de Seguridad', 'EPP, señalización', 5),
|
||||
('00000000-0000-0000-0000-000000000001', 'Equipos de Medición', 'Calibradores, manómetros', 6);
|
||||
*/
|
||||
|
||||
-- ============================================================================
|
||||
-- GRANTS (adjust based on your database roles)
|
||||
-- ============================================================================
|
||||
|
||||
-- Grant usage on schema
|
||||
-- GRANT USAGE ON SCHEMA assets TO app_user;
|
||||
-- GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA assets TO app_user;
|
||||
-- GRANT USAGE, SELECT ON ALL SEQUENCES IN SCHEMA assets TO app_user;
|
||||
|
||||
COMMENT ON SCHEMA assets IS 'MMD-013: Asset and tool management module';
|
||||
COMMENT ON TABLE assets IS 'Master table for all trackable assets and tools';
|
||||
COMMENT ON TABLE asset_categories IS 'Hierarchical categorization of assets';
|
||||
COMMENT ON TABLE asset_assignments IS 'Track asset assignments to employees, units, or locations';
|
||||
COMMENT ON TABLE asset_audits IS 'Physical inventory audits';
|
||||
COMMENT ON TABLE asset_audit_items IS 'Individual items checked during an audit';
|
||||
COMMENT ON TABLE asset_maintenance IS 'Maintenance records including calibration';
|
||||
Loading…
Reference in New Issue
Block a user