25 lines
945 B
Markdown
25 lines
945 B
Markdown
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# Task ID: 129
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**Title:** Task repository with compare-and-swap transitions
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**Status:** pending
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**Dependencies:** 118
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**Priority:** medium
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**Description:** Create TaskRepository with optimistic locking state transitions using updateMany with where clause
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**Details:**
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Create src/mcpd/src/repositories/task.repository.ts:
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1. Standard CRUD methods following existing patterns
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2. transition(id, fromState, toState): use prisma.task.updateMany({ where: { id, state: fromState }, data: { state: toState, version: { increment: 1 } } }), return affected count
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3. If affected count is 0, the transition failed (race or wrong state)
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4. findByFilters(): support epicTaskId, state, assigneeId filters
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5. Include verdict and event relations where appropriate
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**Test Strategy:**
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Unit tests: test transition succeeds when state matches, test transition returns 0 when state doesn't match (simulating race), test concurrent transitions only one wins.
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