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Katie
3fa1a22714
This is far from perfect (or everything), but in theory provides a better experience.
19 lines
568 B
Markdown
19 lines
568 B
Markdown
# Goal ID implementation
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Goal IDs exist to dedupe goals when a user creates
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a new goal. For example, if a user wants to create a
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HARD CLEAR Mei goal, but one already exists, we should
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not insert two [Goal Documents](../../schemas/goal.md)
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representing the same thing.
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*****
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## Hashing
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To create the Goal ID, we perform a [JSON stable hash](https://github.com/zkrising/fast-json-stable-hash) on the
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`game`, `playtype`, `charts` and `criteria` of this field.
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This enforces that goals are unique on those fields.
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The above hash is then returned, prefixed with `G`.
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