Initial commit: Meshkee CMS API

NestJS backend with Prisma, Docker Compose for Postgres/Redis, and deploy docs for the production VM.

database/migrations/003_categories.sql

@@ -0,0 +1,79 @@
+-- Meshkee CMS — categories for products, blogs, portfolios
+
+CREATE TABLE categories (
+  id          BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
+  business_id BIGINT NOT NULL,
+  entity_type media_entity_type NOT NULL,
+  parent_id   BIGINT,
+  name        VARCHAR(255) NOT NULL,
+  slug        VARCHAR(255) NOT NULL,
+  description TEXT,
+  sort_order  INTEGER NOT NULL DEFAULT 0,
+  is_active   BOOLEAN NOT NULL DEFAULT TRUE,
+  created_at  TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+  updated_at  TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+
+  CONSTRAINT categories_business_entity_slug_unique
+    UNIQUE (business_id, entity_type, slug),
+  CONSTRAINT categories_business_id_fkey
+    FOREIGN KEY (business_id) REFERENCES businesses (id) ON DELETE CASCADE,
+  CONSTRAINT categories_parent_id_fkey
+    FOREIGN KEY (parent_id) REFERENCES categories (id) ON DELETE SET NULL,
+  CONSTRAINT categories_slug_format CHECK (slug ~ '^[a-z0-9]+(?:-[a-z0-9]+)*$')
+);
+
+CREATE INDEX idx_categories_business_entity
+  ON categories (business_id, entity_type, sort_order);
+CREATE INDEX idx_categories_parent_id ON categories (parent_id);
+CREATE INDEX idx_categories_active
+  ON categories (business_id, entity_type) WHERE is_active = TRUE;
+
+CREATE TRIGGER categories_set_updated_at
+  BEFORE UPDATE ON categories
+  FOR EACH ROW
+  EXECUTE FUNCTION set_updated_at();
+
+CREATE TABLE category_assignments (
+  id          BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
+  business_id BIGINT NOT NULL,
+  category_id BIGINT NOT NULL,
+  entity_type media_entity_type NOT NULL,
+  entity_id   BIGINT NOT NULL,
+  created_at  TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+
+  CONSTRAINT category_assignments_unique
+    UNIQUE (category_id, entity_type, entity_id),
+  CONSTRAINT category_assignments_business_id_fkey
+    FOREIGN KEY (business_id) REFERENCES businesses (id) ON DELETE CASCADE,
+  CONSTRAINT category_assignments_category_id_fkey
+    FOREIGN KEY (category_id) REFERENCES categories (id) ON DELETE CASCADE
+);
+
+CREATE INDEX idx_category_assignments_entity
+  ON category_assignments (business_id, entity_type, entity_id);
+CREATE INDEX idx_category_assignments_category_id
+  ON category_assignments (category_id);
+
+INSERT INTO permissions (name, slug, group_name, description) VALUES
+  ('View categories',   'categories.read',   'categories', 'View categories'),
+  ('Create categories', 'categories.create', 'categories', 'Create categories'),
+  ('Update categories', 'categories.update', 'categories', 'Edit categories'),
+  ('Delete categories', 'categories.delete', 'categories', 'Delete categories');
+
+INSERT INTO role_permissions (role_id, permission_id)
+SELECT r.id, p.id
+FROM roles r
+JOIN permissions p ON p.slug LIKE 'categories.%'
+WHERE r.slug IN ('owner', 'admin');
+
+INSERT INTO role_permissions (role_id, permission_id)
+SELECT r.id, p.id
+FROM roles r
+JOIN permissions p ON p.slug IN ('categories.read', 'categories.create', 'categories.update')
+WHERE r.slug = 'editor';
+
+INSERT INTO role_permissions (role_id, permission_id)
+SELECT r.id, p.id
+FROM roles r
+JOIN permissions p ON p.slug = 'categories.read'
+WHERE r.slug = 'viewer';