Class: Blazer::QueriesController

Inherits:
BaseController
  • Object
show all
Defined in:
app/controllers/blazer/queries_controller.rb

Instance Method Summary collapse

Instance Method Details

#create ⇒ Object 



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# File 'app/controllers/blazer/queries_controller.rb', line 36

def create
  @query = Blazer::Query.new(query_params)
  @query.creator = blazer_user if @query.respond_to?(:creator)

  if @query.save
    redirect_to query_path(@query, variable_params)
  else
    render :new
  end
end

#destroy ⇒ Object 



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# File 'app/controllers/blazer/queries_controller.rb', line 163

def destroy
  @query.destroy if @query.editable?(blazer_user)
  redirect_to root_url
end

#edit ⇒ Object 



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# File 'app/controllers/blazer/queries_controller.rb', line 66

def edit
end

#home ⇒ Object 



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# File 'app/controllers/blazer/queries_controller.rb', line 5

def home
  set_queries(1000)

  @dashboards = Blazer::Dashboard.order(:name)
  @dashboards = @dashboards.includes(:creator) if Blazer.user_class
  @dashboards =
    @dashboards.map do |d|
      {
        name: "<strong>#{view_context.link_to(d.name, d)}</strong>",
        creator: blazer_user && d.try(:creator) == blazer_user ? "You" : d.try(:creator).try(Blazer.user_name),
        hide: d.name.gsub(/\s+/, ""),
        vars: nil
      }
    end
end

#index ⇒ Object 



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# File 'app/controllers/blazer/queries_controller.rb', line 21

def index
  set_queries
  render json: @queries
end

#new ⇒ Object 



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# File 'app/controllers/blazer/queries_controller.rb', line 26

def new
  @query = Blazer::Query.new(
    data_source: params[:data_source],
    name: params[:name]
  )
  if params[:fork_query_id]
    @query.statement ||= Blazer::Query.find(params[:fork_query_id]).try(:statement)
  end
end

#refresh ⇒ Object 



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# File 'app/controllers/blazer/queries_controller.rb', line 139

def refresh
  data_source = Blazer.data_sources[@query.data_source]
  @statement = @query.statement.dup
  process_vars(@statement, @query.data_source)
  Blazer.transform_statement.call(data_source, @statement) if Blazer.transform_statement
  data_source.clear_cache(@statement)
  redirect_to query_path(@query, variable_params)
end

#run ⇒ Object 



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# File 'app/controllers/blazer/queries_controller.rb', line 69

def run
  @statement = params[:statement]
  data_source = params[:data_source]
  process_vars(@statement, data_source)
  @only_chart = params[:only_chart]
  @run_id = blazer_params[:run_id]
  @query = Query.find_by(id: params[:query_id]) if params[:query_id]
  data_source = @query.data_source if @query && @query.data_source
  @data_source = Blazer.data_sources[data_source]

  if @run_id
    @timestamp = blazer_params[:timestamp].to_i

    @result = @data_source.run_results(@run_id)
    @success = !@result.nil?

    if @success
      @data_source.delete_results(@run_id)
      @columns = @result.columns
      @rows = @result.rows
      @error = @result.error
      @just_cached = !@result.error && @result.cached_at.present?
      @cached_at = nil
      params[:data_source] = nil
      render_run
    elsif Time.now > Time.at(@timestamp + (@data_source.timeout || 120).to_i)
      # timed out
      @error = Blazer::TIMEOUT_MESSAGE
      @rows = []
      @columns = []
      render_run
    else
      continue_run
    end
  elsif @success
    @run_id = Blazer.async ? SecureRandom.uuid : nil

    options = {user: blazer_user, query: @query, refresh_cache: params[:check], run_id: @run_id}
    if Blazer.async && request.format.symbol != :csv
      result = []
      Blazer::RunStatementJob.perform_async(result, @data_source, @statement, options)
      wait_start = Time.now
      loop do
        sleep(0.02)
        break if result.any? || Time.now - wait_start > 3
      end
      @result = result.first
    else
      @result = @data_source.run_main_statement(@statement, options)
    end

    if @result
      @data_source.delete_results(@run_id) if @run_id

      @columns = @result.columns
      @rows = @result.rows
      @error = @result.error
      @cached_at = @result.cached_at
      @just_cached = @result.just_cached

      render_run
    else
      @timestamp = Time.now.to_i
      continue_run
    end
  else
    render layout: false
  end
end

#show ⇒ Object 



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# File 'app/controllers/blazer/queries_controller.rb', line 47

def show
  @statement = @query.statement.dup
  process_vars(@statement, @query.data_source)

  @smart_vars = {}
  @sql_errors = []
  data_source = Blazer.data_sources[@query.data_source]
  @bind_vars.each do |var|
    query = data_source.smart_variables[var]
    if query
      result = data_source.run_statement(query)
      @smart_vars[var] = result.rows.map { |v| v.reverse }
      @sql_errors << result.error if result.error
    end
  end

  Blazer.transform_statement.call(data_source, @statement) if Blazer.transform_statement
end

#tables ⇒ Object 



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# File 'app/controllers/blazer/queries_controller.rb', line 168

def tables
  @tables = Blazer.data_sources[params[:data_source]].tables
  render partial: "tables", layout: false
end

#update ⇒ Object 



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# File 'app/controllers/blazer/queries_controller.rb', line 148

def update
  if params[:commit] == "Fork"
    @query = Blazer::Query.new
    @query.creator = blazer_user if @query.respond_to?(:creator)
  end
  unless @query.editable?(blazer_user)
    @query.errors.add(:base, "Sorry, permission denied")
  end
  if @query.errors.empty? && @query.update(query_params)
    redirect_to query_path(@query, variable_params)
  else
    render :edit
  end
end