ebeae34e01
- Created main application entry point in `main.go`. - Added configuration management in `config/config.go` and tests in `config/config_test.go`. - Implemented handlers for book and stationery uploads in `handlers/book.go` and `handlers/stationery.go`, including validation logic. - Established database connection and services in `services/database.go` and `services/book_service.go`. - Defined models for books and stationery in `models/book.go` and `models/stationery.go`. - Set up Firebase integration for image uploads in `services/firebase.go`. - Created migration scripts for database schema in `migrations/001_create_tables.sql` and subsequent updates. - Added CORS and error handling middleware. - Included comprehensive tests for handlers, services, and utilities. - Documented API endpoints and usage in `README.md` and migration instructions in `migrations/README.md`. - Introduced `.gitignore` to exclude unnecessary files and directories. - Added Go module support with `go.mod` and `go.sum` files. - Implemented utility functions for slug generation and validation in `utils/slug.go` and `utils/validation.go`.
44 lines
1.2 KiB
SQL
44 lines
1.2 KiB
SQL
-- Add UNIQUE constraint to slug columns in both books and stationery tables
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-- This prevents duplicate slugs and enables slug-based image filename uniqueness
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-- First, handle any existing duplicate slugs by appending a suffix
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-- For books
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UPDATE books b1
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SET slug = slug || '-' || book_code::text
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WHERE EXISTS (
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SELECT 1 FROM books b2
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WHERE b2.slug = b1.slug
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AND b2.book_code < b1.book_code
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);
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-- For stationery
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UPDATE stationery s1
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SET slug = slug || '-' || stationery_code::text
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WHERE EXISTS (
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SELECT 1 FROM stationery s2
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WHERE s2.slug = s1.slug
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AND s2.stationery_code < s1.stationery_code
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);
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-- Add unique constraint to books.slug (if not exists)
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM pg_constraint
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WHERE conname = 'books_slug_unique'
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) THEN
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ALTER TABLE books ADD CONSTRAINT books_slug_unique UNIQUE (slug);
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END IF;
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END $$;
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-- Add unique constraint to stationery.slug (if not exists)
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM pg_constraint
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WHERE conname = 'stationery_slug_unique'
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) THEN
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ALTER TABLE stationery ADD CONSTRAINT stationery_slug_unique UNIQUE (slug);
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END IF;
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END $$;
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