Class: Ace::Git::Molecules::PrMetadataFetcher

Inherits:
Object
  • Object
show all
Defined in:
lib/ace/git/molecules/pr_metadata_fetcher.rb

Overview

Fetch PR metadata via gh CLI Consolidated from ace-bundle GhPrExecutor and ace-review GhPrFetcher

Constant Summary collapse

PR_NOT_FOUND_PATTERN =

Error message patterns from gh CLI

/not found|Could not resolve/i
AUTH_ERROR_PATTERN = 
/authentication|Unauthorized|not logged in|auth login/i
VALID_IDENTIFIER_PATTERN =

Valid characters for PR identifiers (owner/repo#number format) Allows: alphanumeric, hyphens, underscores, dots, forward slashes, hash, at, colon This prevents shell metacharacters from reaching command execution

/\A[\w\/.\-#@:]+\z/
PR_FIELDS =

Fields to fetch for PR metadata Extracted as constant for maintainability

%w[
  number
  state
  isDraft
  title
  author
  headRefName
  baseRefName
  url
  isCrossRepository
  headRepositoryOwner
].freeze

Class Method Summary collapse

Class Method Details

.fetch_all_prs(limit: 15, timeout: Ace::Git.network_timeout) ⇒ Hash

Fetch all recent PRs in a single call for optimal performance Returns open, merged, and closed PRs - caller filters by state locally

Parameters:

  • limit (Integer) (defaults to: 15) —

    Maximum PRs to fetch (default: 15, enough for typical use)

  • timeout (Integer) (defaults to: Ace::Git.network_timeout) —

    Timeout in seconds

Returns:

  • (Hash) —

    Result with :success, :prs array, or :error



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# File 'lib/ace/git/molecules/pr_metadata_fetcher.rb', line 206

def fetch_all_prs(limit: 15, timeout: Ace::Git.network_timeout)
  result = execute_gh_command(
    ["gh", "pr", "list", "--state", "all", "--limit", limit.to_s,
      "--json", "number,title,state,mergedAt,author,headRefName,isDraft,baseRefName,url"],
    timeout: timeout
  )

  if result[:success]
    prs = JSON.parse(result[:output])
    {success: true, prs: prs}
  else
    {success: false, error: result[:error], prs: []}
  end
rescue JSON::ParserError => e
  {success: false, error: "Failed to parse PR list: #{e.message}", prs: []}
rescue Errno::ENOENT
  {success: false, error: "GitHub CLI (gh) not installed", prs: []}
end

.fetch_diff(identifier, timeout: Ace::Git.network_timeout) ⇒ Hash

Fetch PR diff content

Parameters:

  • identifier (String) —

    PR identifier (number, URL, or owner/repo#number)

  • timeout (Integer) (defaults to: Ace::Git.network_timeout) —

    Timeout in seconds (default from config)

Returns:

  • (Hash) —

    Result with :success, :diff, :error



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# File 'lib/ace/git/molecules/pr_metadata_fetcher.rb', line 54

def fetch_diff(identifier, timeout: Ace::Git.network_timeout)
  parsed = Atoms::PrIdentifierParser.parse(identifier)
  raise ArgumentError, "Invalid PR identifier: #{identifier}" if parsed.nil?

  # Validate identifier characters before command execution (defense in depth)
  validate_identifier_characters(parsed.gh_format)

  result = execute_gh_command(["gh", "pr", "diff", parsed.gh_format], timeout: timeout)

  if result[:success]
    {
      success: true,
      diff: result[:output],
      identifier: parsed.gh_format,
      source: build_source_label(parsed)
    }
  else
    handle_error(result[:error], parsed.gh_format)
  end
rescue Errno::ENOENT
  raise Ace::Git::GhNotInstalledError, "GitHub CLI (gh) not installed. Install with: brew install gh"
end

.fetch_metadata(identifier, timeout: Ace::Git.network_timeout) ⇒ Hash

Fetch PR metadata (state, draft status, title, etc.)

Parameters:

  • identifier (String) —

    PR identifier

  • timeout (Integer) (defaults to: Ace::Git.network_timeout) —

    Timeout in seconds (default from config)

Returns:

  • (Hash) —

    Result with :success, :metadata, :error



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# File 'lib/ace/git/molecules/pr_metadata_fetcher.rb', line 81

def fetch_metadata(identifier, timeout: Ace::Git.network_timeout)
  parsed = Atoms::PrIdentifierParser.parse(identifier)
  raise ArgumentError, "Invalid PR identifier: #{identifier}" if parsed.nil?

  # Validate identifier characters before command execution (defense in depth)
  validate_identifier_characters(parsed.gh_format)

  result = execute_gh_command(
    ["gh", "pr", "view", parsed.gh_format, "--json", PR_FIELDS.join(",")],
    timeout: timeout
  )

  if result[:success]
    metadata = JSON.parse(result[:output])
    {
      success: true,
      metadata: metadata,
      identifier: parsed.gh_format,
      parsed: {number: parsed.number, repo: parsed.repo}
    }
  else
    handle_error(result[:error], parsed.gh_format)
  end
rescue JSON::ParserError => e
  {
    success: false,
    error: "Failed to parse PR metadata: #{e.message}"
  }
rescue Errno::ENOENT
  raise Ace::Git::GhNotInstalledError, "GitHub CLI (gh) not installed. Install with: brew install gh"
end

.fetch_open_prs(exclude_branch: nil, limit: Ace::Git.open_prs_limit, timeout: Ace::Git.network_timeout) ⇒ Hash

Fetch open PRs

Parameters:

  • exclude_branch (String, nil) (defaults to: nil) —

    Branch name to exclude from results

  • limit (Integer) (defaults to: Ace::Git.open_prs_limit) —

    Maximum number of PRs to return (default from config)

  • timeout (Integer) (defaults to: Ace::Git.network_timeout) —

    Timeout in seconds

Returns:

  • (Hash) —

    Result with :success, :prs array, or :error



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# File 'lib/ace/git/molecules/pr_metadata_fetcher.rb', line 178

def fetch_open_prs(exclude_branch: nil, limit: Ace::Git.open_prs_limit, timeout: Ace::Git.network_timeout)
  result = execute_gh_command(
    ["gh", "pr", "list", "--state", "open", "--limit", limit.to_s,
      "--json", "number,title,author,headRefName"],
    timeout: timeout
  )

  if result[:success]
    prs = JSON.parse(result[:output])
    # Filter out current branch if specified
    if exclude_branch
      prs = prs.reject { |pr| pr["headRefName"] == exclude_branch }
    end
    {success: true, prs: prs}
  else
    {success: false, error: result[:error], prs: []}
  end
rescue JSON::ParserError => e
  {success: false, error: "Failed to parse open PRs: #{e.message}", prs: []}
rescue Errno::ENOENT
  {success: false, error: "GitHub CLI (gh) not installed", prs: []}
end

.fetch_pr(identifier, timeout: Ace::Git.network_timeout) ⇒ Hash

Fetch both diff and metadata

Parameters:

  • identifier (String) —

    PR identifier

  • timeout (Integer) (defaults to: Ace::Git.network_timeout) —

    Timeout in seconds (default from config)

Returns:

  • (Hash) —

    Result with :success, :diff, :metadata, :error



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# File 'lib/ace/git/molecules/pr_metadata_fetcher.rb', line 117

def fetch_pr(identifier, timeout: Ace::Git.network_timeout)
  diff_result = fetch_diff(identifier, timeout: timeout)
  return diff_result unless diff_result[:success]

  metadata_result = fetch_metadata(identifier, timeout: timeout)
  return metadata_result unless metadata_result[:success]

  {
    success: true,
    diff: diff_result[:diff],
    metadata: metadata_result[:metadata],
    identifier: diff_result[:identifier],
    source: diff_result[:source]
  }
end

.fetch_recently_merged(limit: Ace::Git.merged_prs_limit, timeout: Ace::Git.network_timeout) ⇒ Hash

Fetch recently merged PRs

Parameters:

  • limit (Integer) (defaults to: Ace::Git.merged_prs_limit) —

    Maximum number of PRs to return (default from config)

  • timeout (Integer) (defaults to: Ace::Git.network_timeout) —

    Timeout in seconds

Returns:

  • (Hash) —

    Result with :success, :prs array, or :error



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# File 'lib/ace/git/molecules/pr_metadata_fetcher.rb', line 154

def fetch_recently_merged(limit: Ace::Git.merged_prs_limit, timeout: Ace::Git.network_timeout)
  result = execute_gh_command(
    ["gh", "pr", "list", "--state", "merged", "--limit", limit.to_s,
      "--json", "number,title,mergedAt,author"],
    timeout: timeout
  )

  if result[:success]
    prs = JSON.parse(result[:output])
    {success: true, prs: prs}
  else
    {success: false, error: result[:error], prs: []}
  end
rescue JSON::ParserError => e
  {success: false, error: "Failed to parse merged PRs: #{e.message}", prs: []}
rescue Errno::ENOENT
  {success: false, error: "GitHub CLI (gh) not installed", prs: []}
end

.find_pr_for_branch(timeout: Ace::Git.network_timeout) ⇒ String|nil

Find PR number for current branch

Parameters:

  • timeout (Integer) (defaults to: Ace::Git.network_timeout) —

    Timeout in seconds (default from config)

Returns:

  • (String|nil) —

    PR number or nil



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# File 'lib/ace/git/molecules/pr_metadata_fetcher.rb', line 136

def find_pr_for_branch(timeout: Ace::Git.network_timeout)
  result = execute_gh_command(
    ["gh", "pr", "view", "--json", "number"],
    timeout: timeout
  )

  return nil unless result[:success]

  data = JSON.parse(result[:output])
  data["number"]&.to_s
rescue JSON::ParserError, Errno::ENOENT
  nil
end

.gh_authenticated? ⇒ Boolean

Check if gh CLI is authenticated

Returns:

  • (Boolean) —

    True if authenticated



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# File 'lib/ace/git/molecules/pr_metadata_fetcher.rb', line 45

def gh_authenticated?
  result = Atoms::CommandExecutor.execute("gh", "auth", "status")
  result[:success]
end

.gh_installed? ⇒ Boolean

Check if gh CLI is installed

Returns:

  • (Boolean) —

    True if gh is installed



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# File 'lib/ace/git/molecules/pr_metadata_fetcher.rb', line 38

def gh_installed?
  result = Atoms::CommandExecutor.execute("gh", "--version")
  result[:success]
end