Class: Profiler::Storage::SqliteStore

Inherits:
BaseStore
  • Object
show all
Defined in:
lib/profiler/storage/sqlite_store.rb

Instance Method Summary collapse

Methods inherited from BaseStore

#exists?

Constructor Details

#initialize(options = {}) ⇒ SqliteStore

Returns a new instance of SqliteStore.



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# File 'lib/profiler/storage/sqlite_store.rb', line 12

def initialize(options = {})
  require "sqlite3"

  db_path = options[:database] || default_db_path
  blob_path = options[:blob_path] || default_blob_path

  FileUtils.mkdir_p(File.dirname(db_path))

  @db = SQLite3::Database.new(db_path.to_s)
  @db.results_as_hash = true
  @db.busy_timeout = 5000
  @db.execute("PRAGMA journal_mode=WAL")
  @db.execute("PRAGMA synchronous=NORMAL")

  @blob_store = BlobStore.new(blob_path.to_s)

  migrate!
end

Instance Method Details

#cleanup(older_than: 24 * 60 * 60) ⇒ Object 



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# File 'lib/profiler/storage/sqlite_store.rb', line 131

def cleanup(older_than: 24 * 60 * 60)
  cutoff = (Time.now - older_than).utc.iso8601
  tokens = @db.execute(
    "SELECT token FROM profiler_profiles WHERE started_at < :cutoff", cutoff: cutoff
  ).map { |r| r["token"] }
  @db.execute("DELETE FROM profiler_profiles WHERE started_at < :cutoff", cutoff: cutoff)
  tokens.each { |token| @blob_store.delete(token) }
end

#clear(type: nil) ⇒ Object 



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# File 'lib/profiler/storage/sqlite_store.rb', line 118

def clear(type: nil)
  if type.nil?
    tokens = @db.execute("SELECT token FROM profiler_profiles").map { |r| r["token"] }
    @db.execute("DELETE FROM profiler_profiles")
  else
    tokens = @db.execute(
      "SELECT token FROM profiler_profiles WHERE profile_type = :type", type: type.to_s
    ).map { |r| r["token"] }
    @db.execute("DELETE FROM profiler_profiles WHERE profile_type = :type", type: type.to_s)
  end
  tokens.each { |token| @blob_store.delete(token) }
end

#delete(token) ⇒ Object 



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# File 'lib/profiler/storage/sqlite_store.rb', line 113

def delete(token)
  @db.execute("DELETE FROM profiler_profiles WHERE token = :token", token: token)
  @blob_store.delete(token)
end

#find_by_parent(parent_token) ⇒ Object 



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# File 'lib/profiler/storage/sqlite_store.rb', line 105

def find_by_parent(parent_token)
  rows = @db.execute(
    "SELECT * FROM profiler_profiles WHERE parent_token = :parent_token ORDER BY started_at ASC",
    parent_token: parent_token
  )
  rows.map { |row| row_to_profile(row) }.compact
end

#list(limit: 50, offset: 0) ⇒ Object 



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# File 'lib/profiler/storage/sqlite_store.rb', line 97

def list(limit: 50, offset: 0)
  rows = @db.execute(
    "SELECT * FROM profiler_profiles ORDER BY started_at DESC LIMIT :limit OFFSET :offset",
    limit: limit, offset: offset
  )
  rows.map { |row| row_to_profile(row, load_blobs: false) }.compact
end

#load(token) ⇒ Object 



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# File 'lib/profiler/storage/sqlite_store.rb', line 85

def load(token)
  row = @db.get_first_row(
    "SELECT * FROM profiler_profiles WHERE token = :token", token: token
  )
  return nil unless row

  row_to_profile(row)
rescue => e
  warn "SqliteStore: failed to load profile #{token}: #{e.message}"
  nil
end

#save(token, profile) ⇒ Object 



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# File 'lib/profiler/storage/sqlite_store.rb', line 31

def save(token, profile)
  data = profile.to_h

  collectors_meta = {}
  (data[:collectors_data] || {}).each do |collector_name, collector_data|
    next unless collector_data.is_a?(Hash)

    if collector_name.to_s == "http"
      requests = collector_data["requests"]
      if requests
        stripped = save_http_response_bodies(token, requests)
        collectors_meta[collector_name] = collector_data.merge("requests" => stripped)
      else
        collectors_meta[collector_name] = collector_data
      end
    else
      collectors_meta[collector_name] = collector_data
    end
  end

  @db.execute(
    <<~SQL,
      INSERT OR REPLACE INTO profiler_profiles (
        token, profile_type, gem_version, path, method, status, duration, memory,
        started_at, finished_at, parent_token, is_ajax,
        tabs, params, headers, response_headers, collectors_meta
      ) VALUES (
        :token, :profile_type, :gem_version, :path, :method, :status, :duration, :memory,
        :started_at, :finished_at, :parent_token, :is_ajax,
        :tabs, :params, :headers, :response_headers, :collectors_meta
      )
    SQL
    token:            token,
    profile_type:     data[:profile_type] || "http",
    gem_version:      data[:gem_version],
    path:             data[:path],
    method:           data[:method],
    status:           data[:status],
    duration:         data[:duration],
    memory:           data[:memory],
    started_at:       data[:started_at],
    finished_at:      data[:finished_at],
    parent_token:     data[:parent_token],
    is_ajax:          data[:is_ajax] ? 1 : 0,
    tabs:             JSON.generate(data[:tabs] || []),
    params:           JSON.generate(data[:params] || {}),
    headers:          JSON.generate(data[:headers] || {}),
    response_headers: JSON.generate(data[:response_headers] || {}),
    collectors_meta:  JSON.generate(collectors_meta)
  )

  token
end