:green_heart: Fix typo.

:green_heart: Fix typo.

jsoniq version "1.0";

(:
 : Copyright 2012-2013 28msec Inc.
 :)

(:~
 :
This module provides functionality for querying fiscal reports (10-K, 10-Q)
 : submitted to the SEC.

 :
 : @author Charles Hoffman
 : @author Matthias Brantner
 : @author Dennis Knochenwefel
 : @author Ghislain Fourny
 :)
module namespace fiscal-core = "http://28.io/modules/xbrl/profiles/sec/fiscal/core";

import module namespace mw = "http://28.io/modules/xbrl/mongo-wrapper";

import module namespace archives = "http://28.io/modules/xbrl/archives";
import module namespace facts = "http://28.io/modules/xbrl/facts";

import module namespace companies = "http://28.io/modules/xbrl/profiles/sec/companies";
import module namespace entities = "http://28.io/modules/xbrl/entities";
import module namespace sec = "http://28.io/modules/xbrl/profiles/sec/core";

declare namespace ver = "http://zorba.io/options/versioning";
declare option ver:module-version "1.0";

(:~
 : Joker for all fiscal periods.
 :)
declare variable $fiscal-core:ALL_FISCAL_PERIODS as string := "ALL";

(:~
 : Joker for all fiscal period types.
 :)
declare variable $fiscal-core:ALL_FISCAL_PERIOD_TYPES as string := "ALL";

(:~
 : Joker for all fiscal years.
 :)
declare variable $fiscal-core:ALL_FISCAL_YEARS as integer := 0;

(:~
 : Joker for the latest fiscal years.
 :)
declare variable $fiscal-core:LATEST_FISCAL_YEAR as integer := 1;

(:~
 :
Return a distinct set of companies identified by either
 :   CIKs, tags, tickers, or sics.

 :
 : @param $ciks a set of CIKs.
 : @param $tags a set of tags (ALL retrieves all companies).
 : @param $tickers a set of tickers.
 : @param $sics a set of SIC codes.
 :
 : @return the companies with the given identifiers, tags, tickers, or sic codes.
 :)
declare function fiscal-core:filings(
    $entities-or-eids as item*,
    $fiscal-periods as string*,
    $fiscal-years as integer*,
    $archives-or-aids as item*) as object*
{
    let $entities := entities:entities($entities-or-eids)
    return
        if(exists(index-of($fiscal-years, $fiscal-core:LATEST_FISCAL_YEAR)))
        then
            for $entity in $entities
            return
            fiscal-core:latest-filings($entity, $fiscal-periods)
        else
            let $fiscal-years as integer* :=
                $fiscal-years[$$ ne $fiscal-core:LATEST_FISCAL_YEAR]
            return
                fiscal-core:filings-for-entities-and-fiscal-periods-and-years($entities, $fiscal-periods, $fiscal-years),
    archives:archives($archives-or-aids)
};

declare function fiscal-core:latest-filings(
    $entities as object*,
    $fiscal-periods as string*) as object*
{
    for $entity in $entities
    for $fiscal-period in $fiscal-periods
    let $latest-fiscal-year :=
        fiscal-core:latest-reported-fiscal-period($entity, $fiscal-period).year
    return fiscal-core:filings-for-entities-and-fiscal-periods-and-years(
        $entity,
        $fiscal-period,
        $latest-fiscal-year cast as integer?
    )
};

declare function fiscal-core:filter-override(
    $entities-or-eids as item*,
    $fiscal-years as integer*,
    $fiscal-periods as string*,
    $fiscal-period-types as string*,
    $archives-or-aids as item*
) as object?
{
    let $override := exists(($entities-or-eids, $fiscal-years, $fiscal-periods, $fiscal-period-types, $archives-or-aids))
    where $override
    let $eids := entities:eid($entities-or-eids)
    let $entities := entities:entities($entities-or-eids)
    let $aids := archives:aid($archives-or-aids)
    let $latest-filings := fiscal-core:latest-filings($entities, $fiscal-periods)
    let $is-latest := exists(index-of($fiscal-years, $fiscal-core:LATEST_FISCAL_YEAR))
    let $fiscal-years := if(exists(index-of($fiscal-years, $fiscal-core:ALL_FISCAL_YEARS)))
                         then ()
                         else $fiscal-years[$$ ne  $fiscal-core:LATEST_FISCAL_YEAR]
    let $fiscal-periods := if(exists(index-of($fiscal-periods, $fiscal-core:ALL_FISCAL_PERIODS)))
                           then ()
                           else $fiscal-periods
    let $override-fiscal-period-types := exists($fiscal-period-types)
    let $fiscal-period-types := if(exists(index-of($fiscal-period-types, $fiscal-core:ALL_FISCAL_PERIOD_TYPES)))
                                then ()
                                else $fiscal-period-types
    return
     {
        "xbrl:Entity" : {|
          { Type: "string" },
          { Domain: [ $eids ] }[exists($eids)]
        |},

        "sec:Accepted" : {|
          { Type: "string" }
        |},

        "xbrl28:Archive" : {|
          { Type: "string" },
          { Domain : [ if($is-latest) then archives:aid($latest-filings) else $aids ] }
          [exists(if($is-latest) then archives:aid($latest-filings) else $aids)]
        |},

        "sec:FiscalYear" : {|
          { Type: "integer" },
          { Domain: [ $fiscal-years ] }[exists($fiscal-years)]
        |},

        "sec:FiscalPeriod" : {|
          { Type: "string" },
          { Domain: [ $fiscal-periods ] }[exists($fiscal-periods)]
        |},

        "sec:FiscalPeriodType" : {|
          { Type: "string" },
          if($override-fiscal-period-types)
          then { Domain: [ $fiscal-period-types ]}[exists($fiscal-period-types)]
          else { Domain: [ "instant", "YTD" ] }
        |}
    }
};

(:~
 :
Retrieves the fiscal period of a filing.

 :
 : @param $filing-or-id a filing or its id, or the empty sequence.
 :
 : @return the fiscal period (FY, YTD2, YTD3, Q1, Q2 or Q3) if any.
 :)
declare function fiscal-core:fiscal-period-for-filing(
    $filing-or-id as item?) as string?
{
  archives:archives($filing-or-id).Profiles.SEC.Fiscal.DocumentFiscalPeriodFocus
};

(:~
 :
Retrieves the fiscal year of a filing.

 :
 : @param $filing-or-id a filing or its id, or the empty sequence.
 :
 : @return the fiscal year (e.g., 2012) if any.
 :)
declare function fiscal-core:fiscal-year-for-filing(
    $filing-or-id as item?) as integer?
{
  archives:archives($filing-or-id).Profiles.SEC.Fiscal.DocumentFiscalYearFocus
};

(:~
 :
Retrieves the fiscal period of a fact.

 :
 : @param $fact a fact object or the empty sequence.
 :
 : @return the fiscal period (FY, YTD2, YTD3, Q1, Q2 or Q3) if any.
 :)
declare function fiscal-core:fiscal-period-for-fact(
    $fact as object?) as integer?
{
  $fact.Aspects."sec:FiscalPeriod"
};

(:~
 :
Retrieves the fiscal year of a fact.

 :
 : @param $fact a fact object or the empty sequence.
 :
 : @return the fiscal year (e.g., 2012) if any.
 :)
declare function fiscal-core:fiscal-year-for-fact(
    $fact as object?) as integer?
{
  $fact.Aspects."sec:FiscalYear"
};

(:~
 :
Retrieves all filings by entities and for given fiscal periods and years.

 :
 : @param $entities-or-ids entities or their ids.
 : @param $fiscal-period-focus fiscal periods (FY, YTD1, YTD2, YTD3, Q1, Q2, Q3, Q4) or $fiscal-core:ALL_FISCAL_PERIODS to accept all..
 : @param $fiscal-year-focus fiscal years or $fiscal-core:ALL_FISCAL_YEARS to accept all..
 :
 : @return all filings that match the criteria.
 :)
declare function
fiscal-core:filings-for-entities-and-fiscal-periods-and-years(
    $entities-or-ids as item*,
    $fiscal-period-focus as string*,
    $fiscal-year-focus as integer*) as object*
{
  let $fiscal-period-focus := (
    "FY"[$fiscal-period-focus = ("10-K", "FY", "Q4")],
    "Q1"[$fiscal-period-focus = ("10-Q", "YTD1", "Q1")],
    "Q2"[$fiscal-period-focus = ("10-Q", "YTD2", "Q2")],
    "Q3"[$fiscal-period-focus = ("10-Q", "YTD3", "Q3")],
    $fiscal-period-focus[not $$ = ("10-K", "10-Q", "YTD1", "YTD2", "YTD3", "Q1", "Q2", "Q3", "Q4")]
  )
  for $cik-or-entity in $entities-or-ids
  let $entity-id as xs:string := companies:eid($cik-or-entity)
  let $query := {|
      { "Entity" : $entity-id },
      switch (true)
      case deep-equal($fiscal-period-focus, $fiscal-core:ALL_FISCAL_PERIODS)
        return ()
      case count($fiscal-period-focus) eq 1
        return
        {
          "Profiles" : { "FSA" : { "SEC" : { "Fiscal" : { "DocumentFiscalPeriodFocus": $fiscal-period-focus } } } }
        }
      default return
        {
          "Profiles" : { "FSA" : { "SEC" : { "Fiscal" : { "DocumentFiscalPeriodFocus":
            [ $fiscal-period-focus ]
        } } } } },
      switch (true)
      case deep-equal($fiscal-year-focus, $fiscal-core:ALL_FISCAL_YEARS)
        return ()
      case count($fiscal-year-focus) eq 1
        return
        {
          "Profiles" : { "FSA" : { "SEC" : { "Fiscal" : { "DocumentFiscalYearFocus": $fiscal-year-focus } } } }
        }
      default
        return
        {
          "Profiles" : { "FSA" : { "SEC" : { "Fiscal" : { "DocumentFiscalYearFocus":
            [ $fiscal-year-focus ]
        } } } } }
    |}
  return mw:find($archives:col, $query)
};

(:~
 :
Retrieves facts for the given aspects, fiscal periods and years.

 :
 : @param $aspects an object containing aspects to filter, among which
 :                 xbrl:Concept, xbrl:Entity and xbrl:Period (all optional).
 : @param $fiscal-period-focus the periods (YTD1, YTD2, YTD3, Q1, Q2, Q3 or FY).
 : @param $fiscal-year-focus the years (2012)
 :
 : @return all facts matching the given aspects, fiscal period and year.
 : @deprecated This function has been deprecated in favor of more generic
 :   functions like facts:facts-for and hypercubes:facts.
 :)
declare function
  fiscal-core:facts-for-aspects-and-fiscal-periods-and-years(
    $aspects as object?,
    $fiscal-period-focus as string*,
    $fiscal-year-focus as integer*) as object*
{
  fiscal-core:facts-for-aspects-and-fiscal-periods-and-years(
    $aspects,
    $fiscal-period-focus,
    $fiscal-year-focus,
    ())
};

(:~
 :
Retrieves facts for the given aspects, fiscal periods and years.

 :
 : @param $aspects an object containing aspects to filter, among which
 :                 xbrl:Concept, xbrl:Entity and xbrl:Period (all optional).
 : @param $fiscal-period-focus the periods (YTD1, YTD2, YTD3, Q1, Q2, Q3 or FY) or $fiscal-core:ALL_FISCAL_PERIODS to accept all.
 : @param $fiscal-year-focus the years (2012) or $fiscal-core:ALL_FISCAL_YEARS to accept all.
 : @param $options standard SEC BizQL options.
 :
 : @return all facts matching the given aspects, fiscal period and year.
 : @deprecated This function has been deprecated in favor of more generic
 :   functions like facts:facts-for and hypercubes:facts.
 :)
declare function
  fiscal-core:facts-for-aspects-and-fiscal-periods-and-years(
    $aspects as object?,
    $fiscal-period-focus as string*,
    $fiscal-year-focus as integer*,
    $options as object?) as object*
{
  let $filter as object := {|
    {
      "Filter":
        {|
          if(exists($aspects))
          then { $facts:ASPECTS : $aspects }
          else (),
          if( deep-equal($fiscal-period-focus, $fiscal-core:ALL_FISCAL_PERIODS) and deep-equal($fiscal-year-focus, $fiscal-core:ALL_FISCAL_YEARS))
          then { "Profiles" : { "FSA" : { ".SEC.Fiscal" : { "$exists" : true } } } }
          else { "Profiles" : { "FSA" : { "": { "SEC": { "Fiscal":
                 {|
                   if(deep-equal($fiscal-period-focus, $fiscal-core:ALL_FISCAL_PERIODS) )
                   then ()
                   else { "Period" : [ $fiscal-period-focus ] },
                   if( deep-equal($fiscal-year-focus, $fiscal-core:ALL_FISCAL_YEARS) )
                   then ()
                   else { "Year": [ $fiscal-year-focus ] }
                 |}
               }}} } }
        |}
    },
    if (empty($options.Hypercube))
    then { Hypercube: sec:dimensionless-hypercube(()) }
    else ()
  |}
  let $facts :=
    facts:facts-for(
      facts:merge-objects($filter, $options, true (: giving parameters higher priority :))
    )
  return sec:hide-amended-facts($facts, $options)
};

(:~
 :
Retrieves facts for the given entities, concepts, fiscal periods and years.

 :
 : @param $entities-or-ids a list of entities or their EIDs.
 : @param $concepts a list of concept names (us-gaap:Assets)
 : @param $fiscal-period-focus the periods (YTD1, YTD2, YTD3, Q1, Q2, Q3 or FY) or $fiscal-core:ALL_FISCAL_PERIODS to accept all.
 : @param $fiscal-year-focus the years (2012) or $fiscal-core:ALL_FISCAL_YEARS to accept all.
 :
 : @error entities:INVALID_PARAMETER if the CIK or entity is not valid.
 : @return all facts matching entities, concepts, fiscal periods and years
 : @deprecated This function has been deprecated in favor of more generic
 :   functions like facts:facts-for and hypercubes:facts.
 :)
declare function
  fiscal-core:facts-for-entities-and-concepts-and-fiscal-periods-and-years(
    $entities-or-ids as item*,
    $concepts as string*,
    $fiscal-period-focus as string*,
    $fiscal-year-focus as integer*) as object*
{
  fiscal-core:facts-for-entities-and-concepts-and-fiscal-periods-and-years(
    $entities-or-ids,
    $concepts,
    $fiscal-period-focus,
    $fiscal-year-focus,
    ())
};

(:~
 :
Retrieves facts for the given entities, concepts, fiscal periods and years.

 :
 : @param $entities-or-ids a list of entities or their EIDs.
 : @param $concepts a list of concept names (us-gaap:Assets)
 : @param $fiscal-period-focus the periods (YTD1, YTD2, YTD3, Q1, Q2, Q3 or FY) or $fiscal-core:ALL_FISCAL_PERIODS to accept all.
 : @param $fiscal-year-focus the years (2012) or $fiscal-core:ALL_FISCAL_YEARS to accept all.
 : @param $options standard SEC BizQL options.
 :
 : @error entities:INVALID_PARAMETER if the CIK or entity is not valid.
 : @return all facts matching entities, concepts, fiscal periods and years
 : @deprecated This function has been deprecated in favor of more generic
 :   functions like facts:facts-for and hypercubes:facts.
 :)
declare function
  fiscal-core:facts-for-entities-and-concepts-and-fiscal-periods-and-years(
    $entities-or-ids as item*,
    $concepts as string*,
    $fiscal-period-focus as string*,
    $fiscal-year-focus as integer*,
    $options as object?) as object*
{
  let $entity-ids as xs:string* := $entities-or-ids ! companies:eid($$)
  let $aspects := {|
    if(exists($entity-ids))
    then { "xbrl:Entity": [ $entity-ids ] }
    else (),
    if(exists($concepts))
    then { "xbrl:Concept": [ $concepts ] }
    else ()
  |}
  return
    fiscal-core:facts-for-aspects-and-fiscal-periods-and-years(
      $aspects,
      $fiscal-period-focus,
      $fiscal-year-focus,
      $options)
};

(:~
 :
Retrieves the latest reported fiscal period and year for the
 : supplied entity.

 :
 : @param $entity-or-id an entity or its EID.
 :
 : @return an object with two fields: period and year.
 :)
declare function fiscal-core:latest-reported-fiscal-period(
    $entity-or-id as item) as object?
{
  (
  let $entity-or-id := companies:eid($entity-or-id)
  for $archive in archives:archives-for-entities($entity-or-id)
  let $archive-fiscal-period := fiscal-core:fiscal-period-for-filing($archive)
  let $archive-fiscal-year := fiscal-core:fiscal-year-for-filing($archive)
  group by $archive-fiscal-year
  order by $archive-fiscal-year descending empty least
  return {
    year: $archive-fiscal-year,
    period: switch(true)
            case $archive-fiscal-period = ("Q4", "FY") return "FY"
            case $archive-fiscal-period = ("Q3", "YTD3") return "Q3"
            case $archive-fiscal-period = ("Q2", "YTD2") return "Q2"
            case $archive-fiscal-period = ("Q1", "YTD1") return "Q1"
            default return () }
  )[1]
};

(:~
 :
Retrieves the latest fiscal period and year for the
 : supplied entity.

 :
 : @param $entity-or-id an entity or its EID.
 : @param $type 10-K or 10-Q or FY, YTD1, YTD2, YTD3, Q1, Q2, or Q3, or $fiscal-core:ALL_FISCAL_PERIODS
 : to accept all.
 :
 : @return an object with two fields: period and year.
 :)
declare function fiscal-core:latest-reported-fiscal-period(
    $entity-or-id as item,
    $type as string) as object?
{
  if(deep-equal($type, $fiscal-core:ALL_FISCAL_PERIODS))
  then fiscal-core:latest-reported-fiscal-period($entity-or-id)
  else
  (
  let $type-filter :=
    switch(true)
    case $type = ( "10-K", "FY", "Q4") return "FY"
    case $type eq "10-Q" return ( "Q3", "Q2", "Q1" )
    case $type eq "YTD1" return "Q1"
    case $type eq "YTD2" return "Q2"
    case $type eq "YTD3" return "Q3"
    default return $type
  let $entity-or-id := companies:eid($entity-or-id)
  for $archive in archives:archives-for-entities($entity-or-id)
  let $archive-fiscal-period := fiscal-core:fiscal-period-for-filing($archive)
  let $archive-fiscal-year := fiscal-core:fiscal-year-for-filing($archive)
  where $archive-fiscal-period = $type-filter
  group by $archive-fiscal-year
  order by $archive-fiscal-year descending empty least
  return {
    year: $archive-fiscal-year,
    period:
      switch(true)
      case $archive-fiscal-period = "FY" and ($type eq "10-K" or $type eq "FY") return "FY"
      case $archive-fiscal-period = "FY" and ($type eq "10-K" or $type eq "Q4") return "FY"
      case $archive-fiscal-period = "Q3" and ($type eq "10-Q" or $type eq "Q3") return "Q3"
      case $archive-fiscal-period = "Q2" and ($type eq "10-Q" or $type eq "Q2") return "Q2"
      case $archive-fiscal-period = "Q1" and ($type eq "10-Q" or $type eq "Q1") return "Q1"
      default return () }
  )[1]
};

jsoniq version "1.0";

(:
 : Copyright 2012-2013 28msec Inc.
 :)

(:~
 :
This module provides functionality for querying fiscal reports (10-K, 10-Q)
 : submitted to the SEC.

 :
 : @author Charles Hoffman
 : @author Matthias Brantner
 : @author Dennis Knochenwefel
 : @author Ghislain Fourny
 :)
module namespace fiscal-core = "http://28.io/modules/xbrl/profiles/sec/fiscal/core";

import module namespace mw = "http://28.io/modules/xbrl/mongo-wrapper";

import module namespace archives = "http://28.io/modules/xbrl/archives";
import module namespace facts = "http://28.io/modules/xbrl/facts";

import module namespace companies = "http://28.io/modules/xbrl/profiles/sec/companies";
import module namespace entities = "http://28.io/modules/xbrl/entities";
import module namespace sec = "http://28.io/modules/xbrl/profiles/sec/core";

declare namespace ver = "http://zorba.io/options/versioning";
declare option ver:module-version "1.0";

(:~
 : Joker for all fiscal periods.
 :)
declare variable $fiscal-core:ALL_FISCAL_PERIODS as string := "ALL";

(:~
 : Joker for all fiscal period types.
 :)
declare variable $fiscal-core:ALL_FISCAL_PERIOD_TYPES as string := "ALL";

(:~
 : Joker for all fiscal years.
 :)
declare variable $fiscal-core:ALL_FISCAL_YEARS as integer := 0;

(:~
 : Joker for the latest fiscal years.
 :)
declare variable $fiscal-core:LATEST_FISCAL_YEAR as integer := 1;

(:~
 :
Return a distinct set of companies identified by either
 :   CIKs, tags, tickers, or sics.

 :
 : @param $ciks a set of CIKs.
 : @param $tags a set of tags (ALL retrieves all companies).
 : @param $tickers a set of tickers.
 : @param $sics a set of SIC codes.
 :
 : @return the companies with the given identifiers, tags, tickers, or sic codes.
 :)
declare function fiscal-core:filings(
    $entities-or-eids as item*,
    $fiscal-periods as string*,
    $fiscal-years as integer*,
    $archives-or-aids as item*) as object*
{
    let $entities := entities:entities($entities-or-eids)
    return
        if(exists(index-of($fiscal-years, $fiscal-core:LATEST_FISCAL_YEAR)))
        then
            for $entity in $entities
            return
            fiscal-core:latest-filings($entity, $fiscal-periods)
        else
            let $fiscal-years as integer* :=
                $fiscal-years[$$ ne $fiscal-core:LATEST_FISCAL_YEAR]
            return
                fiscal-core:filings-for-entities-and-fiscal-periods-and-years($entities, $fiscal-periods, $fiscal-years),
    archives:archives($archives-or-aids)
};

declare function fiscal-core:latest-filings(
    $entities as object*,
    $fiscal-periods as string*) as object*
{
    for $entity in $entities
    for $fiscal-period in $fiscal-periods
    let $latest-fiscal-year :=
        fiscal-core:latest-reported-fiscal-period($entity, $fiscal-period).year
    return fiscal-core:filings-for-entities-and-fiscal-periods-and-years(
        $entity,
        $fiscal-period,
        $latest-fiscal-year cast as integer?
    )
};

declare function fiscal-core:filter-override(
    $entities-or-eids as item*,
    $fiscal-years as integer*,
    $fiscal-periods as string*,
    $fiscal-period-types as string*,
    $archives-or-aids as item*
) as object?
{
    let $override := exists(($entities-or-eids, $fiscal-years, $fiscal-periods, $fiscal-period-types, $archives-or-aids))
    where $override
    let $eids := entities:eid($entities-or-eids)
    let $entities := entities:entities($entities-or-eids)
    let $aids := archives:aid($archives-or-aids)
    let $latest-filings := fiscal-core:latest-filings($entities, $fiscal-periods)
    let $is-latest := exists(index-of($fiscal-years, $fiscal-core:LATEST_FISCAL_YEAR))
    let $fiscal-years := if(exists(index-of($fiscal-years, $fiscal-core:ALL_FISCAL_YEARS)))
                         then ()
                         else $fiscal-years[$$ ne  $fiscal-core:LATEST_FISCAL_YEAR]
    let $fiscal-periods := if(exists(index-of($fiscal-periods, $fiscal-core:ALL_FISCAL_PERIODS)))
                           then ()
                           else $fiscal-periods
    let $override-fiscal-period-types := exists($fiscal-period-types)
    let $fiscal-period-types := if(exists(index-of($fiscal-period-types, $fiscal-core:ALL_FISCAL_PERIOD_TYPES)))
                                then ()
                                else $fiscal-period-types
    return
     {
        "xbrl:Entity" : {|
          { Type: "string" },
          { Domain: [ $eids ] }[exists($eids)]
        |},

        "sec:Accepted" : {|
          { Type: "string" }
        |},

        "xbrl28:Archive" : {|
          { Type: "string" },
          { Domain : [ if($is-latest) then archives:aid($latest-filings) else $aids ] }
          [exists(if($is-latest) then archives:aid($latest-filings) else $aids)]
        |},

        "sec:FiscalYear" : {|
          { Type: "integer" },
          { Domain: [ $fiscal-years ] }[exists($fiscal-years)]
        |},

        "sec:FiscalPeriod" : {|
          { Type: "string" },
          { Domain: [ $fiscal-periods ] }[exists($fiscal-periods)]
        |},

        "sec:FiscalPeriodType" : {|
          { Type: "string" },
          if($override-fiscal-period-types)
          then { Domain: [ $fiscal-period-types ]}[exists($fiscal-period-types)]
          else { Domain: [ "instant", "YTD" ] }
        |}
    }
};

(:~
 :
Retrieves the fiscal period of a filing.

 :
 : @param $filing-or-id a filing or its id, or the empty sequence.
 :
 : @return the fiscal period (FY, YTD2, YTD3, Q1, Q2 or Q3) if any.
 :)
declare function fiscal-core:fiscal-period-for-filing(
    $filing-or-id as item?) as string?
{
  archives:archives($filing-or-id).Profiles.SEC.Fiscal.DocumentFiscalPeriodFocus
};

(:~
 :
Retrieves the fiscal year of a filing.

 :
 : @param $filing-or-id a filing or its id, or the empty sequence.
 :
 : @return the fiscal year (e.g., 2012) if any.
 :)
declare function fiscal-core:fiscal-year-for-filing(
    $filing-or-id as item?) as integer?
{
  archives:archives($filing-or-id).Profiles.SEC.Fiscal.DocumentFiscalYearFocus
};

(:~
 :
Retrieves the fiscal period of a fact.

 :
 : @param $fact a fact object or the empty sequence.
 :
 : @return the fiscal period (FY, YTD2, YTD3, Q1, Q2 or Q3) if any.
 :)
declare function fiscal-core:fiscal-period-for-fact(
    $fact as object?) as integer?
{
  $fact.Aspects."sec:FiscalPeriod"
};

(:~
 :
Retrieves the fiscal year of a fact.

 :
 : @param $fact a fact object or the empty sequence.
 :
 : @return the fiscal year (e.g., 2012) if any.
 :)
declare function fiscal-core:fiscal-year-for-fact(
    $fact as object?) as integer?
{
  $fact.Aspects."sec:FiscalYear"
};

(:~
 :
Retrieves all filings by entities and for given fiscal periods and years.

 :
 : @param $entities-or-ids entities or their ids.
 : @param $fiscal-period-focus fiscal periods (FY, YTD1, YTD2, YTD3, Q1, Q2, Q3, Q4) or $fiscal-core:ALL_FISCAL_PERIODS to accept all..
 : @param $fiscal-year-focus fiscal years or $fiscal-core:ALL_FISCAL_YEARS to accept all..
 :
 : @return all filings that match the criteria.
 :)
declare function
fiscal-core:filings-for-entities-and-fiscal-periods-and-years(
    $entities-or-ids as item*,
    $fiscal-period-focus as string*,
    $fiscal-year-focus as integer*) as object*
{
  let $fiscal-period-focus := (
    "FY"[$fiscal-period-focus = ("10-K", "FY", "Q4")],
    "Q1"[$fiscal-period-focus = ("10-Q", "YTD1", "Q1")],
    "Q2"[$fiscal-period-focus = ("10-Q", "YTD2", "Q2")],
    "Q3"[$fiscal-period-focus = ("10-Q", "YTD3", "Q3")],
    $fiscal-period-focus[not $$ = ("10-K", "10-Q", "YTD1", "YTD2", "YTD3", "Q1", "Q2", "Q3", "Q4")]
  )
  for $cik-or-entity in $entities-or-ids
  let $entity-id as xs:string := companies:eid($cik-or-entity)
  let $query := {|
      { "Entity" : $entity-id },
      switch (true)
      case deep-equal($fiscal-period-focus, $fiscal-core:ALL_FISCAL_PERIODS)
        return ()
      case count($fiscal-period-focus) eq 1
        return
        {
          "Profiles" : { "FSA" : { ".SEC.Fiscal.DocumentFiscalPeriodFocus": $fiscal-period-focus } }
        }
      default return
        {
          "Profiles" : { "FSA" : { ".SEC.Fiscal.DocumentFiscalPeriodFocus":
            [ $fiscal-period-focus ]
        } } },
      switch (true)
      case deep-equal($fiscal-year-focus, $fiscal-core:ALL_FISCAL_YEARS)
        return ()
      case count($fiscal-year-focus) eq 1
        return
        {
          "Profiles" : { "FSA" : { ".SEC.Fiscal.DocumentFiscalYearFocus": $fiscal-year-focus } }
        }
      default
        return
        {
          "Profiles" : { "FSA" : { ".SEC.Fiscal.DocumentFiscalYearFocus":
            [ $fiscal-year-focus ]
        } } }
    |}
  return mw:find($archives:col, $query)
};

(:~
 :
Retrieves facts for the given aspects, fiscal periods and years.

 :
 : @param $aspects an object containing aspects to filter, among which
 :                 xbrl:Concept, xbrl:Entity and xbrl:Period (all optional).
 : @param $fiscal-period-focus the periods (YTD1, YTD2, YTD3, Q1, Q2, Q3 or FY).
 : @param $fiscal-year-focus the years (2012)
 :
 : @return all facts matching the given aspects, fiscal period and year.
 : @deprecated This function has been deprecated in favor of more generic
 :   functions like facts:facts-for and hypercubes:facts.
 :)
declare function
  fiscal-core:facts-for-aspects-and-fiscal-periods-and-years(
    $aspects as object?,
    $fiscal-period-focus as string*,
    $fiscal-year-focus as integer*) as object*
{
  fiscal-core:facts-for-aspects-and-fiscal-periods-and-years(
    $aspects,
    $fiscal-period-focus,
    $fiscal-year-focus,
    ())
};

(:~
 :
Retrieves facts for the given aspects, fiscal periods and years.

 :
 : @param $aspects an object containing aspects to filter, among which
 :                 xbrl:Concept, xbrl:Entity and xbrl:Period (all optional).
 : @param $fiscal-period-focus the periods (YTD1, YTD2, YTD3, Q1, Q2, Q3 or FY) or $fiscal-core:ALL_FISCAL_PERIODS to accept all.
 : @param $fiscal-year-focus the years (2012) or $fiscal-core:ALL_FISCAL_YEARS to accept all.
 : @param $options standard SEC BizQL options.
 :
 : @return all facts matching the given aspects, fiscal period and year.
 : @deprecated This function has been deprecated in favor of more generic
 :   functions like facts:facts-for and hypercubes:facts.
 :)
declare function
  fiscal-core:facts-for-aspects-and-fiscal-periods-and-years(
    $aspects as object?,
    $fiscal-period-focus as string*,
    $fiscal-year-focus as integer*,
    $options as object?) as object*
{
  let $filter as object := {|
    {
      "Filter":
        {|
          if(exists($aspects))
          then { $facts:ASPECTS : $aspects }
          else (),
          if( deep-equal($fiscal-period-focus, $fiscal-core:ALL_FISCAL_PERIODS) and deep-equal($fiscal-year-focus, $fiscal-core:ALL_FISCAL_YEARS))
          then { "Profiles" : { "FSA" : { ".SEC.Fiscal" : { "$exists" : true } } } }
          else { "Profiles" : { "FSA" : { "": { "SEC": { "Fiscal":
                 {|
                   if(deep-equal($fiscal-period-focus, $fiscal-core:ALL_FISCAL_PERIODS) )
                   then ()
                   else { "Period" : [ $fiscal-period-focus ] },
                   if( deep-equal($fiscal-year-focus, $fiscal-core:ALL_FISCAL_YEARS) )
                   then ()
                   else { "Year": [ $fiscal-year-focus ] }
                 |}
               }}} } }
        |}
    },
    if (empty($options.Hypercube))
    then { Hypercube: sec:dimensionless-hypercube(()) }
    else ()
  |}
  let $facts :=
    facts:facts-for(
      facts:merge-objects($filter, $options, true (: giving parameters higher priority :))
    )
  return sec:hide-amended-facts($facts, $options)
};

(:~
 :
Retrieves facts for the given entities, concepts, fiscal periods and years.

 :
 : @param $entities-or-ids a list of entities or their EIDs.
 : @param $concepts a list of concept names (us-gaap:Assets)
 : @param $fiscal-period-focus the periods (YTD1, YTD2, YTD3, Q1, Q2, Q3 or FY) or $fiscal-core:ALL_FISCAL_PERIODS to accept all.
 : @param $fiscal-year-focus the years (2012) or $fiscal-core:ALL_FISCAL_YEARS to accept all.
 :
 : @error entities:INVALID_PARAMETER if the CIK or entity is not valid.
 : @return all facts matching entities, concepts, fiscal periods and years
 : @deprecated This function has been deprecated in favor of more generic
 :   functions like facts:facts-for and hypercubes:facts.
 :)
declare function
  fiscal-core:facts-for-entities-and-concepts-and-fiscal-periods-and-years(
    $entities-or-ids as item*,
    $concepts as string*,
    $fiscal-period-focus as string*,
    $fiscal-year-focus as integer*) as object*
{
  fiscal-core:facts-for-entities-and-concepts-and-fiscal-periods-and-years(
    $entities-or-ids,
    $concepts,
    $fiscal-period-focus,
    $fiscal-year-focus,
    ())
};

(:~
 :
Retrieves facts for the given entities, concepts, fiscal periods and years.

 :
 : @param $entities-or-ids a list of entities or their EIDs.
 : @param $concepts a list of concept names (us-gaap:Assets)
 : @param $fiscal-period-focus the periods (YTD1, YTD2, YTD3, Q1, Q2, Q3 or FY) or $fiscal-core:ALL_FISCAL_PERIODS to accept all.
 : @param $fiscal-year-focus the years (2012) or $fiscal-core:ALL_FISCAL_YEARS to accept all.
 : @param $options standard SEC BizQL options.
 :
 : @error entities:INVALID_PARAMETER if the CIK or entity is not valid.
 : @return all facts matching entities, concepts, fiscal periods and years
 : @deprecated This function has been deprecated in favor of more generic
 :   functions like facts:facts-for and hypercubes:facts.
 :)
declare function
  fiscal-core:facts-for-entities-and-concepts-and-fiscal-periods-and-years(
    $entities-or-ids as item*,
    $concepts as string*,
    $fiscal-period-focus as string*,
    $fiscal-year-focus as integer*,
    $options as object?) as object*
{
  let $entity-ids as xs:string* := $entities-or-ids ! companies:eid($$)
  let $aspects := {|
    if(exists($entity-ids))
    then { "xbrl:Entity": [ $entity-ids ] }
    else (),
    if(exists($concepts))
    then { "xbrl:Concept": [ $concepts ] }
    else ()
  |}
  return
    fiscal-core:facts-for-aspects-and-fiscal-periods-and-years(
      $aspects,
      $fiscal-period-focus,
      $fiscal-year-focus,
      $options)
};

(:~
 :
Retrieves the latest reported fiscal period and year for the
 : supplied entity.

 :
 : @param $entity-or-id an entity or its EID.
 :
 : @return an object with two fields: period and year.
 :)
declare function fiscal-core:latest-reported-fiscal-period(
    $entity-or-id as item) as object?
{
  (
  let $entity-or-id := companies:eid($entity-or-id)
  for $archive in archives:archives-for-entities($entity-or-id)
  let $archive-fiscal-period := fiscal-core:fiscal-period-for-filing($archive)
  let $archive-fiscal-year := fiscal-core:fiscal-year-for-filing($archive)
  group by $archive-fiscal-year
  order by $archive-fiscal-year descending empty least
  return {
    year: $archive-fiscal-year,
    period: switch(true)
            case $archive-fiscal-period = ("Q4", "FY") return "FY"
            case $archive-fiscal-period = ("Q3", "YTD3") return "Q3"
            case $archive-fiscal-period = ("Q2", "YTD2") return "Q2"
            case $archive-fiscal-period = ("Q1", "YTD1") return "Q1"
            default return () }
  )[1]
};

(:~
 :
Retrieves the latest fiscal period and year for the
 : supplied entity.

 :
 : @param $entity-or-id an entity or its EID.
 : @param $type 10-K or 10-Q or FY, YTD1, YTD2, YTD3, Q1, Q2, or Q3, or $fiscal-core:ALL_FISCAL_PERIODS
 : to accept all.
 :
 : @return an object with two fields: period and year.
 :)
declare function fiscal-core:latest-reported-fiscal-period(
    $entity-or-id as item,
    $type as string) as object?
{
  if(deep-equal($type, $fiscal-core:ALL_FISCAL_PERIODS))
  then fiscal-core:latest-reported-fiscal-period($entity-or-id)
  else
  (
  let $type-filter :=
    switch(true)
    case $type = ( "10-K", "FY", "Q4") return "FY"
    case $type eq "10-Q" return ( "Q3", "Q2", "Q1" )
    case $type eq "YTD1" return "Q1"
    case $type eq "YTD2" return "Q2"
    case $type eq "YTD3" return "Q3"
    default return $type
  let $entity-or-id := companies:eid($entity-or-id)
  for $archive in archives:archives-for-entities($entity-or-id)
  let $archive-fiscal-period := fiscal-core:fiscal-period-for-filing($archive)
  let $archive-fiscal-year := fiscal-core:fiscal-year-for-filing($archive)
  where $archive-fiscal-period = $type-filter
  group by $archive-fiscal-year
  order by $archive-fiscal-year descending empty least
  return {
    year: $archive-fiscal-year,
    period:
      switch(true)
      case $archive-fiscal-period = "FY" and ($type eq "10-K" or $type eq "FY") return "FY"
      case $archive-fiscal-period = "FY" and ($type eq "10-K" or $type eq "Q4") return "FY"
      case $archive-fiscal-period = "Q3" and ($type eq "10-Q" or $type eq "Q3") return "Q3"
      case $archive-fiscal-period = "Q2" and ($type eq "10-Q" or $type eq "Q2") return "Q2"
      case $archive-fiscal-period = "Q1" and ($type eq "10-Q" or $type eq "Q1") return "Q1"
      default return () }
  )[1]
};