Class: GithubDailyDigest::GithubGraphQLService

Inherits:
Object
  • Object
show all
Defined in:
lib/github_graphql_service.rb

Constant Summary collapse

GITHUB_API_URL =

GitHub GraphQL API endpoint

'https://api.github.com/graphql'
ALL_BRANCH_COMMITS_QUERY =

New query to fetch commits from all branches

<<-'GRAPHQL'
  query OrgAllBranchesChanges($orgName: String!, $since: GitTimestamp!, $repoCursor: String, $refCursor: String, $commitCursor: String) {
    organization(login: $orgName) {
      repositories(first: 10, after: $repoCursor) { # Adjust repo page size as needed
        pageInfo {
          hasNextPage
          endCursor
        }
        nodes {
          name
          refs(refPrefix: "refs/heads/", first: 50, after: $refCursor) { # Adjust branch page size
            pageInfo {
              hasNextPage
              endCursor
            }
            nodes {
              name
              target {
                ... on Commit {
                  history(since: $since, first: 100, after: $commitCursor) { # Adjust commit page size
                    pageInfo {
                      hasNextPage
                      endCursor
                    }
                    nodes {
                      oid
                      message
                      committedDate
                      author {
                        name
                        email
                        user {
                          login
                        }
                      }
                      additions
                      deletions
                      changedFiles
                      # Fetch associated pull requests (optional, can be heavy)
                      # associatedPullRequests(first: 1) {
                      #   nodes {
                      #     number
                      #     title
                      #   }
                      # }
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
  }
GRAPHQL

Instance Method Summary collapse

Constructor Details

#initialize(token:, logger:, config:) ⇒ GithubGraphQLService

Returns a new instance of GithubGraphQLService.



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# File 'lib/github_graphql_service.rb', line 71

def initialize(token:, logger:, config:)
  @token = token
  @logger = logger
  @config = config
  @current_org_name = config.github_org_name.to_s.split(',').first
  
  # Set up HTTP client for GraphQL communication
  @uri = URI.parse(GITHUB_API_URL)
  @http = Net::HTTP.new(@uri.host, @uri.port)
  @http.use_ssl = true
  
  # Initialize request headers
  @headers = {
    'Authorization' => "Bearer #{token}",
    'Content-Type' => 'application/json',
    'User-Agent' => 'GitHub-Daily-Digest/1.0'
  }
  
  verify_authentication
rescue => e
  @logger.fatal("GitHub GraphQL initialization failed: #{e.message}")
  raise
end

Instance Method Details

#calculate_backoff(attempt) ⇒ Object

Calculate exponential backoff with jitter for retries



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# File 'lib/github_graphql_service.rb', line 1163

def calculate_backoff(attempt)
  base_delay = 2
  max_delay = 60
  # Exponential backoff: 2^attempt seconds with some randomness
  delay = [base_delay * (2 ** (attempt - 1)) * (0.5 + rand * 0.5), max_delay].min
  delay.round(1)
end

#check_token_scopes ⇒ Object

Check token scopes using REST API since GraphQL doesn't provide this information



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# File 'lib/github_graphql_service.rb', line 1061

def check_token_scopes
  begin
    uri = URI.parse("https://api.github.com/user")
    http = Net::HTTP.new(uri.host, uri.port)
    http.use_ssl = true
    
    request = Net::HTTP::Get.new(uri.request_uri)
    request["Authorization"] = "Bearer #{@token}"
    request["User-Agent"] = "GitHub-Daily-Digest/1.0"
    
    response = http.request(request)
    
    if response.code == "200"
      scopes = response["X-OAuth-Scopes"]&.split(", ") || []
      @logger.info("Token scopes: #{scopes.join(', ')}")
      @logger.info("Token has repo scope: #{scopes.include?('repo')}")
      @logger.info("Token has org read scope: #{scopes.include?('read:org')}")
      
      return true
    else
      @logger.warn("Could not verify token scopes: HTTP #{response.code}")
      return false
    end
  rescue => e
    @logger.warn("Error checking token scopes: #{e.message}")
    return false
  end
end

#execute_query(query_string, variables: {}) ⇒ Object 



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# File 'lib/github_graphql_service.rb', line 1090

def execute_query(query_string, variables: {})
  handle_api_errors do
    uri = URI.parse(GITHUB_API_URL)
    http = Net::HTTP.new(uri.host, uri.port)
    http.use_ssl = true
    
    headers = {
      "Authorization" => "Bearer #{@token}",
      "User-Agent" => "GitHub-Daily-Digest",
      "Content-Type" => "application/json"
    }
    
    body = {
      query: query_string,
      variables: variables
    }.to_json
    
    response = http.post(uri.path, body, headers)
    
    # Check if response is HTML instead of JSON (common error when rate limited or auth issues)
    if response.body.strip.start_with?('<!DOCTYPE', '<html')
      raise "Received HTML response instead of JSON. This usually indicates rate limiting or authentication issues. Status: #{response.code}"
    end
    
    # Check for non-200 status codes
    unless response.code.to_i == 200
      raise "GitHub API returned non-200 status code: #{response.code}, body: #{response.body[0..100]}"
    end
    
    # Parse the JSON response
    parsed_response = JSON.parse(response.body)
    
    # Check for GraphQL errors
    if parsed_response['errors']
      error_messages = parsed_response['errors'].map { |e| e['message'] }.join(', ')
      raise "GraphQL errors: #{error_messages}"
    end
    
    parsed_response
  end
end

#fetch_active_repos(org_name, since_time) ⇒ Object 



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# File 'lib/github_graphql_service.rb', line 126

def fetch_active_repos(org_name, since_time)
  @logger.info("Fetching active repositories for organization: #{org_name} since #{since_time} via GraphQL")
  
  since_time_formatted = Time.parse(since_time.to_s).iso8601
  
  query_string = <<-GRAPHQL
    query($org_name: String!, $since_date: GitTimestamp!) {
      organization(login: $org_name) {
        repositories(first: 50) {
          nodes {
            name
            nameWithOwner
            isPrivate
            isFork
            createdAt
            updatedAt
            stargazerCount
            forkCount
            diskUsage
            languages(first: 10, orderBy: {field: SIZE, direction: DESC}) {
              edges {
                size
                node {
                  name
                  color
                }
              }
            }
            defaultBranchRef {
              name
            }
          }
        }
      }
    }
  GRAPHQL
  
  response = execute_query(query_string, variables: { 
    org_name: org_name,
    since_date: since_time_formatted
  })
  
  active_repos = {}
  
  if response && response["data"] && response["data"]["organization"]
    repos = response["data"]["organization"]["repositories"]["nodes"]
    total_count = response["data"]["organization"]["repositories"]["totalCount"]
    
    @logger.info("Found #{repos.size} repositories (out of #{total_count} total) in #{org_name}")
    
    repos.each do |repo|
      repo_full_name = repo["nameWithOwner"]
      
      # Extract primary language
      primary_language = nil
      if repo["languages"] && repo["languages"]["edges"] && !repo["languages"]["edges"].empty?
        lang_edge = repo["languages"]["edges"][0]
        primary_language = {
          name: lang_edge["node"]["name"],
          color: lang_edge["node"]["color"],
          size: lang_edge["size"]
        }
      end
      
      # Build stats object
      repo_stats = {
        name: repo["name"],
        full_name: repo_full_name,
        private: repo["isPrivate"],
        fork: repo["isFork"],
        created_at: repo["createdAt"],
        updated_at: repo["updatedAt"],
        stars: repo["stargazerCount"],
        forks: repo["forkCount"],
        size: repo["diskUsage"],
        default_branch: repo["defaultBranchRef"] ? repo["defaultBranchRef"]["name"] : nil,
        primary_language: primary_language
      }
      
      # Check if the repository has been updated since the given time
      if Time.parse(repo["updatedAt"]) >= Time.parse(since_time)
        active_repos[repo_full_name] = repo_stats
      end
    end
  end
  
  if active_repos.empty?
    @logger.warn("No active repositories found with commits since #{since_time}")
  else
    @logger.info("Found #{active_repos.size} active repositories with commits via GraphQL")
  end
  
  active_repos
rescue => e
  @logger.error("Failed to fetch active repos via GraphQL: #{e.message}")
  {}
end

#fetch_all_branch_commits(org_name, since_time) ⇒ Object

Fetches commits from ALL branches across all repos in the organization since a given time



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# File 'lib/github_graphql_service.rb', line 332

def fetch_all_branch_commits(org_name, since_time)
  @logger.info("Fetching commits from all branches for organization: #{org_name} since #{since_time} via GraphQL")
  all_commits = []
  repo_cursor = nil
  repo_has_next_page = true
  repo_count = 0
  max_repos_to_process = 100 # Increased from 50 to allow for more repos

  # Convert since_time to ISO8601 format string
  # Handle both Time objects and strings
  since_iso8601 = if since_time.is_a?(Time)
                    since_time.iso8601
                  elsif since_time.is_a?(String)
                    # Assume it's already in a valid format for the GraphQL API
                    since_time
                  else
                    # Fallback to current time minus 7 days if invalid
                    @logger.warn("Invalid since_time format: #{since_time.inspect}, using default (7 days ago)")
                    (Time.now - 7*24*60*60).iso8601
                  end

  @logger.info("Starting to fetch repositories for organization: #{org_name}")

  while repo_has_next_page && repo_count < max_repos_to_process
    repo_count += 1
    @logger.info("Fetching repository page #{repo_count} for organization: #{org_name}")

    repo_page_variables = { orgName: org_name, since: since_iso8601, repoCursor: repo_cursor }
    repo_response = execute_query(ALL_BRANCH_COMMITS_QUERY, variables: repo_page_variables)

    unless repo_response && repo_response['data'] && repo_response['data']['organization'] && repo_response['data']['organization']['repositories']
      @logger.error("Failed to fetch repositories or invalid response structure: #{repo_response.inspect}")
      break
    end

    repos_data = repo_response['data']['organization']['repositories']
    repo_page_info = repos_data['pageInfo']
    repo_has_next_page = repo_page_info['hasNextPage']
    repo_cursor = repo_page_info['endCursor']

    @logger.info("Processing #{repos_data['nodes'].size} repositories from page #{repo_count}")

    repos_data['nodes'].each_with_index do |repo_node, repo_index|
      repo_name = repo_node['name']
      @logger.info("Processing repository #{repo_index + 1}/#{repos_data['nodes'].size}: #{repo_name}")

      # Skip if no refs data is available
      unless repo_node['refs'] && repo_node['refs']['nodes']
        @logger.warn("No refs found for repo: #{repo_name}")
        next
      end

      # Process each branch with pagination support
      branch_cursor = nil
      branch_has_next_page = repo_node['refs']['pageInfo']['hasNextPage']
      branch_nodes = repo_node['refs']['nodes']
      
      # Process initial set of branches
      process_branches_for_repo(repo_name, branch_nodes, all_commits)
      
      # Continue fetching more branches if available
      while branch_has_next_page
        @logger.info("Fetching additional branches for repo: #{repo_name}")
        branch_variables = { 
          orgName: org_name, 
          since: since_iso8601, 
          repoCursor: nil,  # We're targeting a specific repo
          refCursor: branch_cursor 
        }
        
        branch_response = execute_query(ALL_BRANCH_COMMITS_QUERY, variables: branch_variables)
        
        # Break if we can't get valid branch data
        unless branch_response && branch_response['data'] && 
               branch_response['data']['organization'] && 
               branch_response['data']['organization']['repositories'] &&
               branch_response['data']['organization']['repositories']['nodes']
          @logger.error("Failed to fetch additional branches or invalid response")
          break
        end
        
        # Get the specific repo from the response
        target_repo = nil
        branch_response['data']['organization']['repositories']['nodes'].each do |repo|
          if repo['name'] == repo_name
            target_repo = repo
            break
          end
        end
        
        # No target repo found, break
        unless target_repo && target_repo['refs']
          @logger.warn("Couldn't find #{repo_name} in the branch pagination response")
          break
        end
        
        # Process the new set of branches
        branch_nodes = target_repo['refs']['nodes']
        branch_page_info = target_repo['refs']['pageInfo']
        branch_has_next_page = branch_page_info['hasNextPage']
        branch_cursor = branch_page_info['endCursor']
        
        # Process this page of branches
        process_branches_for_repo(repo_name, branch_nodes, all_commits)
      end
    end

    @logger.info("Processed repository page #{repo_count}, found #{all_commits.size} commits so far. Next page: #{repo_has_next_page}")
    
    # Remove break statement to process all repository pages
    # break unless repo_has_next_page
  end

  @logger.info("Completed fetching commits. Found #{all_commits.size} commits across all branches since #{since_time}")
  all_commits
end

#fetch_commit_changes(repo_name, commit_oid) ⇒ Object

Fetch code changes for a specific commit



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# File 'lib/github_graphql_service.rb', line 850

def fetch_commit_changes(repo_name, commit_oid)
  @logger.debug("Fetching code changes for commit: #{commit_oid} in repo: #{repo_name}")
  
  query_string = <<-GRAPHQL
    query($owner: String!, $repo: String!, $oid: GitObjectID!) {
      repository(owner: $owner, name: $repo) {
        object(oid: $oid) {
          ... on Commit {
            oid
            additions
            deletions
            changedFiles
            # Use commitResourcePath to get the URL that can be used for REST API fallback
            commitResourcePath
          }
        }
      }
    }
  GRAPHQL
  
  # Split the repo name into owner and repo parts
  owner, repo = repo_name.split('/')
  
  unless owner && repo
    @logger.error("Invalid repository name format: #{repo_name}. Expected format: 'owner/repo'")
    return {}
  end
  
  response = execute_query(query_string, variables: { 
    owner: owner,
    repo: repo,
    oid: commit_oid
  })
  
  if response && response["data"] && response["data"]["repository"] && 
     response["data"]["repository"]["object"]
    
    commit_object = response["data"]["repository"]["object"]
    
    # Since GraphQL doesn't provide files directly, try to fetch them via REST API
    files_data = fetch_commit_files_via_rest(owner, repo, commit_oid)
    
    return {
      oid: commit_object["oid"],
      additions: commit_object["additions"],
      deletions: commit_object["deletions"],
      changed_files: commit_object["changedFiles"],
      files: files_data
    }
  end
  
  # Return empty hash if we couldn't get the changes
  @logger.warn("Could not fetch changes for commit: #{commit_oid}")
  {}
rescue => e
  @logger.error("Error fetching commit changes: #{e.message}")
  {}
end

#fetch_commit_files_via_rest(owner, repo, commit_oid) ⇒ Object

Fetch commit files using REST API as a fallback



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# File 'lib/github_graphql_service.rb', line 910

def fetch_commit_files_via_rest(owner, repo, commit_oid)
  @logger.debug("Fetching commit files via REST API for #{owner}/#{repo} commit: #{commit_oid}")
  
  begin
    # Create a new Net::HTTP client instance for REST API access
    uri = URI.parse("https://api.github.com/repos/#{owner}/#{repo}/commits/#{commit_oid}")
    http = Net::HTTP.new(uri.host, uri.port)
    http.use_ssl = true
    
    headers = {
      "Authorization" => "Bearer #{@token}",
      "User-Agent" => "GitHub-Daily-Digest",
      "Content-Type" => "application/json"
    }
    
    response = http.get(uri.path, headers)
    
    # Check if response is HTML instead of JSON (common error when rate limited or auth issues)
    if response.body.strip.start_with?('<!DOCTYPE', '<html')
      raise "Received HTML response instead of JSON. This usually indicates rate limiting or authentication issues. Status: #{response.code}"
    end
    
    # Check for non-200 status codes
    unless response.code.to_i == 200
      raise "GitHub API returned non-200 status code: #{response.code}, body: #{response.body[0..100]}"
    end
    
    # Parse the JSON response
    parsed_response = JSON.parse(response.body)
    
    # Extract file details
    if parsed_response && parsed_response["files"]
      @logger.debug("Successfully fetched #{parsed_response["files"].count} changed files via REST API")
      
      return parsed_response["files"].map do |file|
        {
          path: file["filename"],
          additions: file["additions"],
          deletions: file["deletions"],
          patch: file["patch"]
        }
      end
    end
  rescue => e
    @logger.error("Error fetching commit files via REST API: #{e.message}")
  end
  
  # Return empty array if REST fallback fails
  []
end

#fetch_commits_changes(commits, max_commits = 100) ⇒ Object

Fetch changes for a batch of commits



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# File 'lib/github_graphql_service.rb', line 962

def fetch_commits_changes(commits, max_commits = 100)
  return [] if commits.nil? || commits.empty?
  
  @logger.info("Fetching code changes for #{[commits.size, max_commits].min} of #{commits.size} commits")
  
  # Debug logging to see commit structure
  if commits.first
    @logger.debug("Sample commit structure: #{commits.first.inspect}")
  end
  
  # Filter out any commits with invalid structure
  valid_commits = commits.select do |commit|
    commit && commit[:repo] && commit[:sha] 
  end
  
  if valid_commits.empty?
    @logger.warn("No valid commits found with required data (commit hash and repo)")
    return []
  end
  
  # Log the first valid commit structure
  if valid_commits.first
    @logger.debug("Valid commit sample: #{valid_commits.first.inspect}")
  end
  
  # Limit to the most recent commits to avoid overloading the API
  commits_to_process = valid_commits.sort_by do |c| 
    Time.parse(c[:date].to_s) rescue Time.now 
  end.reverse.first(max_commits)
  
  commits_with_changes = commits_to_process.map do |commit|
    begin
      # Fetch changes for this commit
      repo_name = commit[:repo]
      commit_oid = commit[:sha]
      
      # Format the repo name correctly for the GitHub API
      # Determine the correct organization for this repository
      if repo_name.include?('/')
        # If repo already has owner/name format, use it as is
        repo_full_name = repo_name
      else
        # If just repo name, add the current organization name
        org_name = @current_org_name || @config.github_org_name.to_s.split(',').first
        repo_full_name = "#{org_name}/#{repo_name}"
      end
      
      @logger.debug("Fetching changes for commit #{commit_oid} in repo #{repo_full_name}")
      
      changes = fetch_commit_changes(repo_full_name, commit_oid)
      
      # Add the changes to the commit data
      commit.merge(code_changes: changes)
    rescue => e
      @logger.error("Error processing commit changes: #{e.message}")
      # Return the original commit without changes in case of error
      commit.merge(code_changes: {})
    end
  end
  
  @logger.info("Successfully fetched changes for #{commits_with_changes.count} commits")
  commits_with_changes
end

#fetch_members(org_name) ⇒ Object 



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# File 'lib/github_graphql_service.rb', line 95

def fetch_members(org_name)
  @logger.info("Fetching members for organization: #{org_name} via GraphQL")
  
  query_string = <<-GRAPHQL
    query($org_name: String!) {
      organization(login: $org_name) {
        membersWithRole(first: 100) {
          nodes {
            login
            name
          }
        }
      }
    }
  GRAPHQL
  
  response = execute_query(query_string, variables: { org_name: org_name })
  
  if response && response["data"] && response["data"]["organization"] && response["data"]["organization"]["membersWithRole"]
    members = response["data"]["organization"]["membersWithRole"]["nodes"].map { |node| node["login"] }
    @logger.info("Found #{members.count} members via GraphQL.")
    members
  else
    @logger.error("Could not fetch members for #{org_name} via GraphQL.")
    [] # Return empty array on failure
  end
rescue => e
  @logger.error("Failed to fetch organization members: #{e.message}")
  []
end

#fetch_pull_request_reviews(org_name, since_time) ⇒ Object 



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# File 'lib/github_graphql_service.rb', line 224

def fetch_pull_request_reviews(org_name, since_time)
  @logger.info("Fetching pull request reviews for organization: #{org_name} since #{since_time} via GraphQL")
  
  # Convert since_time to ISO8601 format string
  since_iso8601 = if since_time.is_a?(Time)
                    since_time.iso8601
                  elsif since_time.is_a?(String)
                    # Assume it's already in a valid format for the GraphQL API
                    since_time
                  else
                    # Fallback to current time minus 7 days if invalid
                    @logger.warn("Invalid since_time format: #{since_time.inspect}, using default (7 days ago)")
                    (Time.now - 7*24*60*60).iso8601
                  end

  # Parse the since time for filtering
  since_time_parsed = Time.parse(since_iso8601) rescue Time.now - 7*24*60*60

  # Reduce the query size to avoid hitting the node limit (505,050 > 500,000)
  # We'll fetch fewer repositories per page and fewer PRs per repository
  query_string = <<-GRAPHQL
    query FetchPRReviews($orgName: String!) {
      organization(login: $orgName) {
        repositories(first: 25) {
          nodes {
            name
            nameWithOwner
            pullRequests(first: 20, orderBy: {field: UPDATED_AT, direction: DESC}) {
              nodes {
                number
                title
                url
                createdAt
                updatedAt
                author {
                  login
                }
                reviews(first: 20) {
                  nodes {
                    author {
                      login
                    }
                    submittedAt
                    state
                  }
                }
              }
            }
          }
        }
      }
    }
  GRAPHQL

  response = execute_query(query_string, variables: { 
    orgName: org_name
  })

  user_reviews = {}

  if response && response["data"] && response["data"]["organization"]
    repos = response["data"]["organization"]["repositories"]["nodes"]

    repos.each do |repo|
      repo_name = repo["nameWithOwner"]

      if repo["pullRequests"] && repo["pullRequests"]["nodes"]
        repo["pullRequests"]["nodes"].each do |pr|
          # Filter by the since_time_parsed after we get the data
          pr_updated_at = Time.parse(pr["updatedAt"]) rescue nil
          next unless pr_updated_at && pr_updated_at >= since_time_parsed
        
          if pr["reviews"] && pr["reviews"]["nodes"]
            pr["reviews"]["nodes"].each do |review|
              review_submitted_at = Time.parse(review["submittedAt"]) rescue nil
              next unless review_submitted_at && review_submitted_at >= since_time_parsed
              next unless review["author"] && review["author"]["login"]

              reviewer = review["author"]["login"]
              user_reviews[reviewer] ||= []

              user_reviews[reviewer] << {
                repo: repo_name,
                pr_number: pr["number"],
                pr_title: pr["title"],
                pr_url: pr["url"],
                submitted_at: review["submittedAt"],
                state: review["state"]
              }
            end
          end
        end
      end
    end
  end

  @logger.info("Found #{user_reviews.keys.size} users with PR reviews")
  user_reviews.each do |username, reviews|
    @logger.info("User #{username} has #{reviews.size} PR reviews")
  end

  user_reviews
rescue => e
  @logger.error("Failed to fetch PR reviews via GraphQL: #{e.message}")
  {}
end

#fetch_repository_stats(org_name, since_time = nil) ⇒ Object

Fetch repository statistics for a specific organization



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# File 'lib/github_graphql_service.rb', line 595

def fetch_repository_stats(org_name, since_time = nil)
  @logger.info("Fetching repository statistics for organization: #{org_name} via GraphQL")
  
  # Convert since_time to ISO8601 format string if provided
  since_iso8601 = if since_time
                    if since_time.is_a?(Time)
                      since_time.iso8601
                    elsif since_time.is_a?(String)
                      since_time
                    else
                      nil
                    end
                  else
                    nil
                  end

  query_string = <<-GRAPHQL
    query FetchRepoStats($orgName: String!) {
      organization(login: $orgName) {
        repositories(first: 100) {
          totalCount
          nodes {
            name
            nameWithOwner
            isPrivate
            isFork
            createdAt
            updatedAt
            stargazerCount
            forkCount
            diskUsage
            languages(first: 10, orderBy: {field: SIZE, direction: DESC}) {
              edges {
                size
                node {
                  name
                  color
                }
              }
            }
            defaultBranchRef {
              name
            }
          }
        }
      }
    }
  GRAPHQL

  response = execute_query(query_string, variables: { 
    orgName: org_name
  })

  active_repos = {}

  if response && response["data"] && response["data"]["organization"]
    repos = response["data"]["organization"]["repositories"]["nodes"]
    total_count = response["data"]["organization"]["repositories"]["totalCount"]
    
    @logger.info("Found #{repos.size} repositories (out of #{total_count} total) in #{org_name}")
    
    repos.each do |repo|
      repo_full_name = repo["nameWithOwner"]
      
      # Extract primary language
      primary_language = nil
      if repo["languages"] && repo["languages"]["edges"] && !repo["languages"]["edges"].empty?
        lang_edge = repo["languages"]["edges"][0]
        primary_language = {
          name: lang_edge["node"]["name"],
          color: lang_edge["node"]["color"],
          size: lang_edge["size"]
        }
      end
      
      # Build stats object
      repo_stats = {
        name: repo["name"],
        full_name: repo_full_name,
        private: repo["isPrivate"],
        fork: repo["isFork"],
        created_at: repo["createdAt"],
        updated_at: repo["updatedAt"],
        stars: repo["stargazerCount"],
        forks: repo["forkCount"],
        size: repo["diskUsage"],
        default_branch: repo["defaultBranchRef"] ? repo["defaultBranchRef"]["name"] : nil,
        primary_language: primary_language
      }
      
      # Check if the repository has been updated since the given time
      if since_time.nil? || (repo["updatedAt"] && Time.parse(repo["updatedAt"]) >= Time.parse(since_iso8601))
        active_repos[repo_full_name] = repo_stats
      end
    end
  end

  @logger.info("Found #{active_repos.size} repositories (out of #{total_count} total) in #{org_name}")
  active_repos
rescue => e
  @logger.error("Failed to fetch repository stats via GraphQL: #{e.message}")
  {}
end

#fetch_trending_repositories(org_name, since_time) ⇒ Object

Fetch trending repositories within the organization in a specific time period



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# File 'lib/github_graphql_service.rb', line 763

def fetch_trending_repositories(org_name, since_time)
  @logger.info("Fetching trending repositories for organization: #{org_name} since #{since_time} via GraphQL")
  
  since_time_formatted = Time.parse(since_time.to_s).iso8601
  since_time_parsed = Time.parse(since_time_formatted)
  
  query_string = <<-GRAPHQL
    query($org_name: String!, $since_date: GitTimestamp!) {
      organization(login: $org_name) {
        repositories(first: 50, orderBy: {field: UPDATED_AT, direction: DESC}) {
          nodes {
            name
            nameWithOwner
            updatedAt
            stargazerCount
            forkCount
            watchers { totalCount }
            defaultBranchRef {
              target {
                ... on Commit {
                  history(since: $since_date) {
                    totalCount
                  }
                }
              }
            }
            issues(states: OPEN) {
              totalCount
            }
            pullRequests(states: OPEN) {
              totalCount
            }
          }
        }
      }
    }
  GRAPHQL
  
  response = execute_query(query_string, variables: { 
    org_name: org_name,
    since_date: since_time_formatted
  })
  
  trending_repos = []
  
  if response && response["data"] && response["data"]["organization"] && response["data"]["organization"]["repositories"]
    repos = response["data"]["organization"]["repositories"]["nodes"]
    
    repos.each do |repo|
      next unless repo["defaultBranchRef"] && repo["defaultBranchRef"]["target"] && 
                repo["defaultBranchRef"]["target"]["history"]
                
      commit_count = repo["defaultBranchRef"]["target"]["history"]["totalCount"]
      issue_count = repo["issues"]["totalCount"]
      pr_count = repo["pullRequests"]["totalCount"]
      updated_at = Time.parse(repo["updatedAt"]) rescue nil
      
      # Skip repositories not updated since the provided time
      next unless updated_at && updated_at >= since_time_parsed
      
      # Score based on activity - higher score means more active
      activity_score = (commit_count * 3) + (pr_count * 5) + (issue_count * 2)
      
      if activity_score > 0
        trending_repos << {
          name: repo["name"],
          full_name: repo["nameWithOwner"],
          updated_at: repo["updatedAt"],
          commits: commit_count,
          issues: issue_count,
          pull_requests: pr_count,
          stars: repo["stargazerCount"],
          forks: repo["forkCount"],
          watchers: repo["watchers"]["totalCount"],
          activity_score: activity_score
        }
      end
    end
    
    # Sort by activity score (highest first)
    trending_repos.sort_by! { |repo| -repo[:activity_score] }
  end
  
  trending_repos
end

#fetch_user_profiles(usernames) ⇒ Object

Fetch detailed user profile information for a list of usernames



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# File 'lib/github_graphql_service.rb', line 700

def fetch_user_profiles(usernames)
  @logger.info("Fetching user profiles for #{usernames.size} users via GraphQL")
  
  user_profiles = {}
  
  # Process in smaller batches to avoid hitting GraphQL complexity limits
  usernames.each_slice(10) do |batch|
    batch_response = fetch_user_profiles_batch(batch)
    user_profiles.merge!(batch_response) if batch_response
    sleep(0.5) # Small delay to avoid rate limits
  end
  
  @logger.info("Retrieved profile data for #{user_profiles.size} users")
  user_profiles
end

#fetch_user_profiles_batch(usernames) ⇒ Object

Helper method to fetch user profiles in batches



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# File 'lib/github_graphql_service.rb', line 717

def fetch_user_profiles_batch(usernames)
  # Build dynamic query with user variables
  query_parts = []
  variables = {}
  
  usernames.each_with_index do |username, index|
    alias_name = "user#{index}"
    query_parts << "#{alias_name}: user(login: $#{alias_name}) { login name avatarUrl bio websiteUrl createdAt company location }"
    variables[alias_name.to_sym] = username
  end
  
  query_string = <<-GRAPHQL
    query(#{usernames.each_with_index.map { |_, i| "$user#{i}: String!" }.join(', ')}) {
      #{query_parts.join("\n")}
    }
  GRAPHQL
  
  response = execute_query(query_string, variables: variables)
  
  user_profiles = {}
  
  if response && response["data"]
    # Process each user in the response
    usernames.each_with_index do |_, index|
      alias_name = "user#{index}"
      user_data = response["data"][alias_name]
      
      if user_data
        user_profiles[user_data["login"]] = {
          login: user_data["login"],
          name: user_data["name"],
          avatar_url: user_data["avatarUrl"],
          bio: user_data["bio"],
          website: user_data["websiteUrl"],
          created_at: user_data["createdAt"],
          company: user_data["company"],
          location: user_data["location"]
        }
      end
    end
  end
  
  user_profiles
end

#format_commit(commit_data, repo_full_name) ⇒ Object 



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# File 'lib/github_graphql_service.rb', line 1171

def format_commit(commit_data, repo_full_name)
  # Convert GraphQL commit data to format used by the rest of the app
  author_user = commit_data["author"]["user"] if commit_data["author"]
  
  {
    sha: commit_data["oid"],
    repo: repo_full_name,
    date: commit_data["committedDate"],
    message: commit_data["message"],
    author_login: author_user ? author_user["login"] : nil,
    author_name: commit_data["author"] ? commit_data["author"]["name"] : nil,
    author_email: commit_data["author"] ? commit_data["author"]["email"] : nil,
    stats: {
      additions: commit_data["additions"],
      deletions: commit_data["deletions"],
      total_changes: commit_data["additions"].to_i + commit_data["deletions"].to_i
    }
  }
end

#handle_api_errors(retries = 3) ⇒ Object

Default to 3 retries if not configured



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# File 'lib/github_graphql_service.rb', line 1132

def handle_api_errors(retries = 3) # Default to 3 retries if not configured
  max_retries = @config&.max_api_retries || retries
  attempts = 0
  begin
    attempts += 1
    yield # Execute the GraphQL query block
  rescue => e
    # Check for various error types that might benefit from retrying
    should_retry = e.message.include?('rate limit') || 
                   e.message.include?('timeout') || 
                   e.message.include?('Received HTML response') ||
                   e.message.include?('500') ||
                   e.message.include?('503')
    
    if should_retry && attempts <= max_retries
      sleep_time = calculate_backoff(attempts)
      @logger.warn("GitHub GraphQL API error (Attempt #{attempts}/#{max_retries}): #{e.message}")
      @logger.warn("Retrying in #{sleep_time} seconds...")
      sleep sleep_time
      retry
    else
      @logger.error("GitHub GraphQL API error: #{e.message}")
      if attempts > max_retries
        @logger.error("Exceeded maximum retry attempts (#{max_retries})")
      end
      nil # Indicate failure
    end
  end
end

#map_commits_to_users(commits) ⇒ Object

Maps commits to users



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# File 'lib/github_graphql_service.rb', line 549

def map_commits_to_users(commits) # Takes the structured commits from fetch_all_branch_commits
  @logger.info("Mapping commits to users")
  user_commits = Hash.new { |h, k| h[k] = [] }

  commits.each do |commit_data|
    commit = commit_data[:commit]
    next unless commit && commit[:author] # Ensure commit and author data exist

    # Use author's name as the key, fallback to email if name is nil/empty
    author_name = commit[:author][:name]
    author_email = commit[:author][:email]
    username = (author_name && !author_name.strip.empty?) ? author_name : author_email

    # Skip if no valid identifier found (name or email)
    next unless username && !username.strip.empty?

    # Use email as a key if the name is generic like "GitHub" or "GitHub Action"
    if ['GitHub', 'GitHub Action', 'github-actions[bot]'].include?(username) && author_email && !author_email.empty?
      username = author_email
    end

    # Skip common bot emails unless they are the only identifier
    if username.end_with?('[bot]@users.noreply.github.com') && !(author_name && !author_name.strip.empty?)
       # Allow bot commits if they have a specific name, otherwise potentially skip
       # Or decide how to handle bot commits specifically
       @logger.debug("Skipping potential bot commit without specific author name: #{author_email}")
       # next # Uncomment this line to skip bot commits without specific names
    end


    user_commits[username] << {
      repo: commit_data[:repo],
      branch: commit_data[:branch],
      sha: commit[:oid],
      message: commit[:message],
      date: Time.parse(commit[:committedDate]),
      stats: { additions: commit[:additions], deletions: commit[:deletions] },
      files: commit[:changedFiles] # changedFiles is the count
    }
  end

  @logger.info("Mapped commits from #{user_commits.keys.size} unique users/emails")
  user_commits
end

#process_branches_for_repo(repo_name, branch_nodes, all_commits) ⇒ Object

Helper method to process branches for a repository



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# File 'lib/github_graphql_service.rb', line 450

def process_branches_for_repo(repo_name, branch_nodes, all_commits)
  branch_count = 0
  
  branch_nodes.each do |ref_node|
    branch_count += 1
    branch_name = ref_node['name']
    @logger.debug("Processing branch #{branch_count}: #{branch_name} in repo: #{repo_name}")

    target = ref_node['target']
    next unless target && target['history'] && target['history']['nodes']

    # Process each commit in this branch with pagination
    process_commits_for_branch(repo_name, branch_name, target['history'], all_commits)
    
    # Handle commit pagination
    commit_cursor = target['history']['pageInfo']['endCursor'] 
    commit_has_next_page = target['history']['pageInfo']['hasNextPage']
    
    # Fetch additional pages of commits if available
    while commit_has_next_page
      @logger.debug("Fetching additional commits for #{repo_name}/#{branch_name}")
      
      # Fetch the next page of commits
      commit_variables = {
        owner: repo_name.split('/').first,
        name: repo_name.split('/').last,
        branch: branch_name,
        since: since_time.is_a?(Time) ? since_time.iso8601 : since_time,
        cursor: commit_cursor,
        limit: 100
      }
      
      # This query would need to be defined elsewhere or use a different approach
      # For now we'll log that we would fetch more commits
      @logger.info("Would fetch additional commits for #{repo_name}/#{branch_name} after cursor #{commit_cursor}")
      
      # Break for now - this would need a separate implementation
      break
    end
  end
  
  if branch_count > 0
    @logger.info("Processed #{branch_count} branches in #{repo_name}")
  end
end

#process_commits_for_branch(repo_name, branch_name, history_data, all_commits) ⇒ Object

Helper method to process commits for a branch



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# File 'lib/github_graphql_service.rb', line 497

def process_commits_for_branch(repo_name, branch_name, history_data, all_commits)
  commit_count = 0
  commit_found = false

  # Process each commit in this branch
  history_data['nodes'].each do |commit_node|
    commit_count += 1
    commit_found = true

    # Extract author details - handle both formats
    # First try the user.login format from the GraphQL query
     = commit_node.dig('author', 'user', 'login')

    # If that's not available, fall back to name/email
    author_details = if 
                       # If we have a GitHub login, use that as the primary identifier
                       { name: , email: nil }
                     else
                       # Otherwise use the name/email from the commit
                       { 
                         name: commit_node.dig('author', 'name'),
                         email: commit_node.dig('author', 'email')
                       }
                     end

    # Create the commit payload with nested structure
    commit_payload = {
      repo: repo_name,
      branch: branch_name,
      commit: {
        oid: commit_node['oid'],
        message: commit_node['message'],
        committedDate: commit_node['committedDate'],
        author: author_details,
        additions: commit_node['additions'],
        deletions: commit_node['deletions'],
        changedFiles: commit_node['changedFiles'] || 0
      }
    }

    # Log the author information for debugging
    @logger.debug("Commit in #{repo_name}/#{branch_name} by author: #{author_details[:name] || 'unknown'}")

    all_commits << commit_payload
  end

  if commit_found
    @logger.info("Found #{commit_count} commits in #{repo_name}/#{branch_name}")
  end
end

#verify_authentication ⇒ Object

Verify GraphQL API authentication and check permissions



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# File 'lib/github_graphql_service.rb', line 1027

def verify_authentication
  @logger.info("Verifying GitHub GraphQL authentication...")
  
  # Simple query to verify authentication - viewerHasScopes doesn't exist in GitHub's GraphQL API
  query = <<-GRAPHQL
    query {
      viewer {
        login
      }
    }
  GRAPHQL
  
  response = execute_query(query, variables: {})
  
  if response && response['data'] && response['data']['viewer']
    username = response['data']['viewer']['login']
    @logger.info("Authenticated to GitHub GraphQL API as user: #{username}")
    
    # We can't check scopes via GraphQL, so we'll use a separate method to check token scopes
    check_token_scopes
    
    return true
  else
    error_message = if response && response['errors']
                      response['errors'].map { |e| e['message'] }.join(', ')
                    else
                      "Unknown error"
                    end
    @logger.error("Failed to authenticate to GitHub GraphQL API: #{error_message}")
    raise "GraphQL authentication failed: #{error_message}"
  end
end