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comexr 0.3.0

Breaking Changes

• Many user-friendly detail/filter aliases now map to the correct API names. Previous releases sent names that the ComexStat API rejects with HTTP 400 “Invalid detail item”. Behaviour now matches the live API as verified against /general/details and /general/filters:
  • "transport_mode" → via (was transportMode)
  • "hs6" / "sh6" → subHeading (was sh6)
  • "hs4" / "sh4" → heading (was sh4)
  • "hs2" / "sh2" → chapter (was sh2)
  • "cgce_n1"/"cgce_n2"/"cgce_n3" → BECLevel1/2/3
  • "sitc_*" / "cuci_*" → SITCSection/SITCDivision/SITCGroup/ SITCSubGroup/SITCBasicHeading
  • "isic_*" → ISICSection/ISICDivision/ISICGroup/ISICClass
• comex_query_city(): removed metric_statistic parameter. The city endpoint only supports metricFOB and metricKG.
• comex_isic(): rewritten to query /general/filters/ISIC* (the only place the API exposes ISIC values). Now takes a level argument ("section", "division", "group", "class") and no longer duplicates comex_sitc() output.

Bug Fixes

• Removed "company_size" from documented details — the API does not support a company-size detail/filter.

Documentation

• comex_query(): detail list rewritten to show the user-friendly alias and the underlying API name for every option.
• comex_query_city(): corrected — HS6 (subheading) is not available for the city endpoint; product detail goes only down to HS4 (heading). Added bloc/economic_block to documented details.
• comex_historical(): documented the available filter names (country, bloc, state, nbm).
• comex_filter_values(): clarified that the filter argument is case-sensitive and must match comex_filters() output verbatim (e.g. "BECLevel1", "SITCSection", "ISICSection").
• New vignette city-profile: reproduces the panels of the public ComexStat municipality page (comexstat.mdic.gov.br/{lang}/municipio/) — totals, top countries, top blocs, top HS4 products, monthly time series, year-over-year — using comex_query_city().
• New vignette state-trade-profile: full state-level extract (Pernambuco example) combining the “By Municipality” panel filters — exports + imports, monthly detail, state filter, details by state / city / HS4 / section / HS2 / country — and showing how to derive trade balance, top municipalities, top products, top partners and year-over-year comparisons from the result.

comexr 0.2.0

Breaking Changes

• comex_historical() no longer accepts metric_statistic, metric_freight, metric_insurance, or metric_cif parameters. The historical API endpoint only supports FOB and KG metrics.
• month_detail default changed from FALSE to TRUE in all query functions.

Bug Fixes

• Fixed bloc detail mapping: now correctly maps to economicBlock (API name).
• Added missing detail mappings: heading, chapter (city endpoint), nbm (historical endpoint), economic_block (alias).
• Fixed comex_metrics("general") returning 0 rows when the depends field contained NULL values.
• Fixed comex_ncm_detail(), comex_nbm_detail(), and other detail functions returning empty lists instead of named lists.
• Fixed comex_historical() endpoint path (added required trailing slash).
• Fixed response_to_tibble() failing on responses containing NULL or nested list values in row fields.

New Features

• SSL auto-fallback: the package now detects SSL certificate failures (common with the ICP-Brasil chain) and automatically retries without verification, issuing a one-time warning. Set options(comex.ssl_verifypeer = FALSE) to suppress.

Documentation

• Corrected comex_query_city() documentation: city endpoint uses heading, chapter, section — not hs4, hs2, hs6.
• Corrected comex_historical() documentation: only country, state, and nbm details are available (not ncm or section).
• Updated comex_filter_values() documentation with the actual filters that have value endpoints (6 for general, 7 for city, 2 for historical).
• Renamed package from comex to comexr.

comexr 0.1.0

Initial Release

• 30 exported functions covering all ComexStat API endpoints.
• General trade queries: comex_query(), comex_export(), comex_import().
• City-level queries: comex_query_city().
• Historical queries (1989-1996): comex_historical().
• Metadata: comex_last_update(), comex_available_years(), comex_filters(), comex_filter_values(), comex_details(), comex_metrics().
• Auxiliary tables for geography, products, and classifications.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.