Add coa purchase and vendors

migrations/000043_create_chart_of_accounts_table.up.sql

@@ -0,0 +1,24 @@
+CREATE TABLE chart_of_accounts (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    organization_id UUID NOT NULL REFERENCES organizations(id) ON DELETE CASCADE,
+    outlet_id UUID REFERENCES outlets(id) ON DELETE CASCADE,
+    chart_of_account_type_id UUID NOT NULL REFERENCES chart_of_account_types(id) ON DELETE RESTRICT,
+    parent_id UUID REFERENCES chart_of_accounts(id) ON DELETE SET NULL,
+    name VARCHAR(255) NOT NULL,
+    code VARCHAR(20) NOT NULL,
+    description TEXT,
+    is_active BOOLEAN DEFAULT true,
+    is_system BOOLEAN DEFAULT false,
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    UNIQUE(organization_id, outlet_id, code),
+    UNIQUE(organization_id, code) -- For organization-level accounts
+);
+
+CREATE INDEX idx_chart_of_accounts_organization_id ON chart_of_accounts(organization_id);
+CREATE INDEX idx_chart_of_accounts_outlet_id ON chart_of_accounts(outlet_id);
+CREATE INDEX idx_chart_of_accounts_type_id ON chart_of_accounts(chart_of_account_type_id);
+CREATE INDEX idx_chart_of_accounts_parent_id ON chart_of_accounts(parent_id);
+CREATE INDEX idx_chart_of_accounts_code ON chart_of_accounts(code);
+CREATE INDEX idx_chart_of_accounts_is_active ON chart_of_accounts(is_active);
+CREATE INDEX idx_chart_of_accounts_is_system ON chart_of_accounts(is_system);