Class: PgReports::ReportDefinition

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

Overview

Parses YAML report definitions and generates Report objects

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(yaml_path) ⇒ ReportDefinition

Returns a new instance of ReportDefinition.



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# File 'lib/pg_reports/report_definition.rb', line 8

def initialize(yaml_path)
  @config = YAML.load_file(yaml_path)["report"]
  @yaml_path = yaml_path
end

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/pg_reports/report_definition.rb', line 6

def config
  @config
end

Instance Method Details

#filter_parameters ⇒ Object

Extract filter parameters for UI



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# File 'lib/pg_reports/report_definition.rb', line 119

def filter_parameters
  params = {}

  # Parameters from parameters section
  config["parameters"]&.each do |name, param_config|
    params[name] = {
      type: param_config["type"],
      default: param_config["default"],
      description: I18n.t("pg_reports.parameters.#{name}.description", default: param_config["description"]),
      label: I18n.t("pg_reports.parameters.#{name}.label", default: name.to_s.titleize)
    }
  end

  # Add threshold parameters from filters (config-based)
  config["filters"]&.each do |filter|
    if filter["value"]["source"] == "config"
      config_key = filter["value"]["key"]
      field_name = filter["field"]

      params["#{field_name}_threshold"] = {
        type: filter["cast"] || "integer",
        default: PgReports.config.public_send(config_key),
        description: I18n.t("pg_reports.parameters.threshold_description", field: field_name),
        label: I18n.t("pg_reports.parameters.threshold_label", field: field_name.titleize),
        current_config: PgReports.config.public_send(config_key),
        is_threshold: true
      }
    end
  end

  params
end

#generate_report(**params) ⇒ Object 



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# File 'lib/pg_reports/report_definition.rb', line 13

def generate_report(**params)
  # 1. Execute SQL
  data = execute_sql(**params)

  # 2. Apply filters
  data = apply_filters(data, params)

  # 3. Apply enrichment
  data = apply_enrichment(data) if enrichment?

  # 4. Apply limit
  limit = params[:limit] || default_limit
  data = data.first(limit) if limit && data.respond_to?(:first)

  # 5. Create Report
  Report.new(
    title: interpolate_title(params),
    data: data,
    columns: config["columns"]
  )
end

#problem_explanations ⇒ Object

Extract problem explanations mapping from YAML



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# File 'lib/pg_reports/report_definition.rb', line 153

def problem_explanations
  config["problem_explanations"] || {}
end