Rodin
700f186023
- CLI binary with flag/env var configuration - Gitea API client (PR metadata, diff, CI status, post review) - OpenAI-compatible LLM client - Structured review prompt with conventions support - JSON response parser with validation - Markdown review formatter for Gitea - CI failure auto-detection (REQUEST_CHANGES) - Dry-run mode for testing
73 lines
2.9 KiB
Go
73 lines
2.9 KiB
Go
package review
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import (
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"fmt"
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"strings"
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)
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// BuildSystemPrompt constructs the system prompt for the LLM reviewer.
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func BuildSystemPrompt(conventions string) string {
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var sb strings.Builder
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sb.WriteString("You are an expert code reviewer. Review the provided pull request diff carefully.\n\n")
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sb.WriteString("Your task:\n")
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sb.WriteString("1. Review the diff for correctness, idiomatic code, potential bugs, and design issues.\n")
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sb.WriteString("2. Consider the CI status — if CI has failed, that is an automatic REQUEST_CHANGES regardless of code quality.\n")
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sb.WriteString("3. Output your review as structured JSON (and ONLY JSON, no markdown fences or other text).\n\n")
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sb.WriteString("Output format:\n")
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sb.WriteString("{\n")
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sb.WriteString(" \"verdict\": \"APPROVE\" or \"REQUEST_CHANGES\",\n")
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sb.WriteString(" \"summary\": \"Brief overall assessment (1-3 sentences)\",\n")
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sb.WriteString(" \"findings\": [\n")
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sb.WriteString(" {\n")
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sb.WriteString(" \"severity\": \"MAJOR\" or \"MINOR\" or \"NIT\",\n")
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sb.WriteString(" \"file\": \"path/to/file\",\n")
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sb.WriteString(" \"line\": <line number from the diff>,\n")
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sb.WriteString(" \"finding\": \"Description of the issue\"\n")
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sb.WriteString(" }\n")
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sb.WriteString(" ],\n")
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sb.WriteString(" \"recommendation\": \"Full recommendation text explaining your verdict\"\n")
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sb.WriteString("}\n\n")
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sb.WriteString("Rules:\n")
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sb.WriteString("- If there are any MAJOR findings → verdict must be REQUEST_CHANGES\n")
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sb.WriteString("- If there are no MAJOR findings → verdict should be APPROVE\n")
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sb.WriteString("- If CI has failed → verdict must be REQUEST_CHANGES with a finding noting the CI failure\n")
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sb.WriteString("- Be thorough but fair. Don't nitpick style unless it impacts readability significantly.\n")
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sb.WriteString("- Line numbers should reference the new file line numbers from the diff headers.\n")
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sb.WriteString("- If the diff is empty or trivial (only formatting/whitespace), APPROVE with no findings.\n")
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if conventions != "" {
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sb.WriteString(fmt.Sprintf("\n\nThe repository has the following coding conventions that should be respected:\n\n%s\n", conventions))
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}
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return sb.String()
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}
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// BuildUserPrompt constructs the user message with PR context.
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func BuildUserPrompt(title, description, diff string, ciPassed bool, ciDetails string) string {
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var sb strings.Builder
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sb.WriteString(fmt.Sprintf("## Pull Request: %s\n\n", title))
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if description != "" {
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sb.WriteString(fmt.Sprintf("### Description\n%s\n\n", description))
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}
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ciStatus := "PASSED"
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if !ciPassed {
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ciStatus = "FAILED"
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}
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sb.WriteString(fmt.Sprintf("### CI Status: %s\n", ciStatus))
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if ciDetails != "" {
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sb.WriteString(fmt.Sprintf("CI Details: %s\n", ciDetails))
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}
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sb.WriteString("\n### Diff\n\n")
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sb.WriteString("```diff\n")
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sb.WriteString(diff)
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sb.WriteString("\n```\n")
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return sb.String()
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}
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