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50 lines
1.9 KiB
Markdown
50 lines
1.9 KiB
Markdown
+++
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title = "Implement tag join logic — fetch tags per quote, insert/replace tags on create/update"
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priority = 5
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status = "todo"
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ticket_type = "task"
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dependencies = ["a5049d"]
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+++
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<context>
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The `quotesdb` API is built with Axum + Tokio, targeting Cloudflare Workers via `workers-rs`. It serves JSON at `/api/*` endpoints and persists data to Cloudflare D1 (production) or a local SQLite file via Turso (development). Source lives in `src/bin/api/`.
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Shared types and utilities are in `src/lib.rs` — code placed there must compile for both the host target and `wasm32-unknown-unknown`.
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Each quote can have multiple tags stored in the `quote_tags` join table. Tags are not normalised — they are stored as plain strings per quote. On create/update, all tags for the quote are replaced atomically.
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</context>
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<goal>
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Implement tag fetch and upsert logic used by the API handlers:
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1. `fetch_tags_for_quote(pool, quote_id) -> Vec<String>` — SELECT from quote_tags
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2. `replace_tags_for_quote(pool, quote_id, tags: &[String])` — DELETE existing, INSERT new tags in a transaction
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This logic should live in a `db` or `tags` module and be called from the create and update handlers.
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</goal>
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<constraints>
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- Tag replacement must be atomic (use a transaction).
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- Empty `tags` array means "remove all tags" — this is valid.
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- Cascade delete on `quote_tags` handles tag cleanup when a quote is deleted — no separate delete-tags step needed.
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</constraints>
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<skills>
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Use `superpowers:test-driven-development` — write unit tests that verify tag insertion, replacement, and empty-tag cases.
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Use `superpowers:verification-before-completion` before closing.
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</skills>
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<validation>
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Run in order from the `quotesdb/` directory:
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```sh
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cargo fmt
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cargo check
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cargo clippy
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cargo test
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```
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</validation>
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<commit>
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`feat(quotesdb): implement tag join logic — fetch and replace tags per quote`
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</commit>
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