Class: RailsDbAdmin::ErpApp::Desktop::QueriesController

Inherits:
BaseController
  • Object
show all
Defined in:
app/controllers/rails_db_admin/erp_app/desktop/queries_controller.rb

Direct Known Subclasses

ReportsController

Instance Method Summary collapse

Methods inherited from BaseController

#databases, #setup_table_grid, #table_data, #tables

Instance Method Details

#delete_query ⇒ Object 



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# File 'app/controllers/rails_db_admin/erp_app/desktop/queries_controller.rb', line 27

def delete_query
  query_name = params[:query_name]
  @query_support.delete_query(query_name)

  render :json => {:success => true}
end

#execute_query ⇒ Object 



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# File 'app/controllers/rails_db_admin/erp_app/desktop/queries_controller.rb', line 93

def execute_query
  begin

    sql = params[:sql]
    selection = params[:selected_sql]
    sql = sql.rstrip
    cursor_pos = params[:cursor_pos].to_i

    # if we have report params process them
    if params[:report_params]
      # add current_user to locals
      params[:report_params][:current_user] = current_user

      sql = RailsDbAdmin::ErbStringParser.render(sql, locals: params[:report_params])
    end

    # append a semicolon as the last character if the
    # user forgot
    if !sql.end_with?(";")
      sql << ";"
    end

    sql_arr = sql.split("\n")
    sql_stmt_arry = []
    sql_str = ""

    #search for the query to run based on cursor position if there
    #was nothing selected by the user
    if (selection == nil || selection == "")
      last_stmt_end = 0
      sql_arr.each_with_index do |val, idx|
        if val.match(';')
          sql_stmt_arry << {:begin => (sql_stmt_arry.length > 0) ? last_stmt_end +1 : 0, :end => idx}
          last_stmt_end = idx
        end
      end

      last_sql_stmt = sql_stmt_arry.length-1
      #run the first complete query if we're in whitespace
      #at the beginning of the text area
      if cursor_pos <= sql_stmt_arry[0].fetch(:begin)
        sql_str = sql_arr.values_at(sql_stmt_arry[0].fetch(:begin)..
                                        sql_stmt_arry[0].fetch(:end)).join(" ")
        #run the last query if we're in whitespace at the end of the
        #textarea
      elsif cursor_pos > sql_stmt_arry[last_sql_stmt].fetch(:begin)
        sql_str = sql_arr.values_at(
            sql_stmt_arry[last_sql_stmt].fetch(:begin)..
                sql_stmt_arry[last_sql_stmt].fetch(:end)).join(" ")
        #run query based on cursor position
      else
        sql_stmt_arry.each do |sql_stmt|
          if cursor_pos >= sql_stmt.fetch(:begin) &&
              cursor_pos <= sql_stmt.fetch(:end)
            sql_str = sql_arr.values_at(sql_stmt.fetch(:begin)..
                                            sql_stmt.fetch(:end)).join(" ")
          end
        end
      end
    else
      sql_str = selection
    end

    columns, values, exception = @query_support.execute_sql(sql_str)

    if !exception.nil?
      result = {:success => false, :message => exception.gsub("\n", " ")}
    else
      exception.nil?
      columns_array = columns.collect do |column|
        RailsDbAdmin::Extjs::JsonColumnBuilder.build_readonly_column(column)
      end

      fields_array = columns.collect do |column|
        {:name => column}
      end

      result = {:success => true, :sql => sql,
                :columns => columns_array,
                :fields => fields_array, :data => values}
    end
    render :json => result
  rescue StandardError => ex
    Rails.logger.error ex.message
    Rails.logger.error ex.backtrace.join("\n")

    # email notification
    ExceptionNotifier.notify_exception(ex) if defined? ExceptionNotifier

    render :json => {success: false, message: ex.message}
  end
end

#open_and_execute_query ⇒ Object 



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# File 'app/controllers/rails_db_admin/erp_app/desktop/queries_controller.rb', line 53

def open_and_execute_query
  query_name = params[:query_name]

  query = @query_support.get_query(query_name)
  columns, values, exception = @query_support.execute_sql(query)

  if exception.nil?

    columns_array = columns.collect do |column|
      RailsDbAdmin::Extjs::JsonColumnBuilder.build_readonly_column(column)
    end

    fields_array = columns.collect do |column|
      {:name => column}
    end

    result = {:success => true, :query => query,
              :columns => columns_array,
              :fields => fields_array, :data => values}
  else
    result = {:success => false, :query => query,
              :exception => exception.gsub("\n", " ")}
  end

  render :json => result
end

#open_query ⇒ Object 



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# File 'app/controllers/rails_db_admin/erp_app/desktop/queries_controller.rb', line 46

def open_query
  query_name = params[:query_name]
  query = @query_support.get_query(query_name)

  render :json => {:success => true, :query => query}
end

#save_query ⇒ Object 



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# File 'app/controllers/rails_db_admin/erp_app/desktop/queries_controller.rb', line 6

def save_query
  query = params[:query]
  query_name = params[:query_name]

  @query_support.save_query(query, query_name)

  render :json => {:success => true}
end

#saved_queries ⇒ Object 



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# File 'app/controllers/rails_db_admin/erp_app/desktop/queries_controller.rb', line 15

def saved_queries
  names = @query_support.get_saved_query_names

  names_hash_array = []

  names_hash_array = names.collect do |name|
    {:display => name, :value => name}
  end unless names.empty?

  render :json => {:data => names_hash_array}
end

#saved_queries_tree ⇒ Object 



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# File 'app/controllers/rails_db_admin/erp_app/desktop/queries_controller.rb', line 34

def saved_queries_tree
  names = @query_support.get_saved_query_names

  queries = []

  queries = names.collect do |name|
    {:text => name, :id => name, :iconCls => 'icon-sql', :leaf => true}
  end unless names.empty?

  render :json => queries
end

#select_top_fifty ⇒ Object 



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# File 'app/controllers/rails_db_admin/erp_app/desktop/queries_controller.rb', line 80

def select_top_fifty
  table = params[:table]
  sql, results = @query_support.select_top_fifty(table)

  columns = @database_connection_class.connection.columns(table)

  render :json => {:success => true,
                   :sql => sql,
                   :columns => RailsDbAdmin::Extjs::JsonColumnBuilder.build_grid_columns(columns),
                   :fields => RailsDbAdmin::Extjs::JsonColumnBuilder.build_store_fields(columns),
                   :data => results}
end