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 16

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

  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 126

def destroy
  @query.destroy
  redirect_to root_url
end

#edit ⇒ Object 



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# File 'app/controllers/blazer/queries_controller.rb', line 44

def edit
end

#index ⇒ Object 



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

def index
  @queries = Blazer::Query.order(:name)
  @queries = @queries.includes(:creator) if Blazer.user_class
  @trending_queries = Blazer::Audit.group(:query_id).where("created_at > ?", 2.days.ago).having("COUNT(DISTINCT user_id) >= 3").uniq.count(:user_id)
  @checks = Blazer::Check.group(:query_id).count
end

#new ⇒ Object 



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# File 'app/controllers/blazer/queries_controller.rb', line 12

def new
  @query = Blazer::Query.new(statement: params[:statement], data_source: params[:data_source])
end

#run ⇒ Object 



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

def run
  @statement = params[:statement]
  process_vars(@statement)
  @only_chart = params[:only_chart]

  if @success
    @query = Query.find_by(id: params[:query_id]) if params[:query_id]

    data_source = params[:data_source]
    data_source = @query.data_source if @query && @query.data_source

    # audit
    if Blazer.audit
      audit = Blazer::Audit.new(statement: @statement)
      audit.query = @query
      audit.data_source = data_source
      audit.user = current_user if respond_to?(:current_user) && Blazer.user_class
      audit.save!
    end

    @data_source = Blazer.data_sources[data_source]
    @rows, @error = @data_source.run_statement(@statement)

    if @query && !@error.to_s.include?("canceling statement due to statement timeout")
      @query.checks.each do |check|
        check.update_state(@rows, @error)
      end
    end

    @columns = {}
    if @rows.any?
      @rows.first.each do |key, value|
        @columns[key] =
          case value
          when Integer
            "int"
          when Float
            "float"
          else
            "string-ins"
          end
      end
    end

    @filename = @query.name.parameterize if @query

    @min_width_types = (@rows.first || {}).select { |k, v| v.is_a?(Time) || v.is_a?(String) || @data_source.smart_columns[k] }.keys

    @boom = {}
    @columns.keys.each do |key|
      query = @data_source.smart_columns[key]
      if query
        values = @rows.map { |r| r[key] }.compact.uniq
        rows, error = @data_source.run_statement(ActiveRecord::Base.send(:sanitize_sql_array, [query.sub("{value}", "(?)"), values]))
        @boom[key] = Hash[rows.map(&:values)]
      end
    end

    @linked_columns = @data_source.linked_columns
  end

  respond_to do |format|
    format.html do
      render layout: false
    end
    format.csv do
      send_data csv_data(@rows), type: "text/csv; charset=utf-8; header=present", disposition: "attachment; filename=\"#{@query ? @query.name.parameterize : 'query'}.csv\""
    end
  end
end

#show ⇒ Object 



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# File 'app/controllers/blazer/queries_controller.rb', line 27

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

  @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
      rows, error = data_source.run_statement(query)
      @smart_vars[var] = rows.map { |v| v.values.reverse }
      @sql_errors << error if error
    end
  end
end

#tables ⇒ Object 



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# File 'app/controllers/blazer/queries_controller.rb', line 131

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

#update ⇒ Object 



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# File 'app/controllers/blazer/queries_controller.rb', line 118

def update
  if @query.update(query_params)
    redirect_to query_path(@query, variable_params)
  else
    render :edit
  end
end