refactor: divided the files in domain/model into separate files.

[nao1215]

Summary by CodeRabbit

• New Features

  • Automatic column type detection, including robust date/time recognition across multiple formats.
  • Configurable export formats (CSV, TSV, LTSV) with optional compression (gz, bz2, xz, zst); file extensions are generated accordingly.
  • Clear error surfaced when duplicate column names are detected.

• Tests

  • Expanded test coverage for type inference, date/time detection, and export options (formats, compression, extensions), ensuring reliable behavior across edge cases and chained configurations.

[coderabbitai]

Caution

Review failed

The pull request is closed.

Walkthrough

Splits and refactors the model package: removes common.go, introduces separate files for types, errors, dump options, and column inference. Adds datetime-aware inference logic and corresponding tests. Reintroduces and tests OutputFormat/CompressionType and DumpOptions in a dedicated file. Restores Header/Record and ColumnType in types.go with tests.

Changes

Cohort / File(s)	Summary of Changes
Removal of monolith domain/model/common.go, domain/model/common_test.go	Deleted the previous all-in-one model/types/options/inference implementation and its tests.
Core types and errors domain/model/types.go, domain/model/errors.go	Added Header, Record, ColumnType, ColumnInfo with constructors/equality and String(); added ErrDuplicateColumnName.
Dump options API domain/model/dump_options.go, domain/model/dump_options_test.go	Added OutputFormat/CompressionType enums with String/Extension; introduced DumpOptions with builders and FileExtension; comprehensive tests.
Column inference feature domain/model/column_inference.go, domain/model/column_inference_test.go	Implemented type inference with robust datetime detection; added per-column inference from header/records; thorough tests including isDatetime.
Value object tests domain/model/types_test.go	Added tests for Header/Record construction and equality; tests for ColumnType.String mappings.

Sequence Diagram(s)

sequenceDiagram
  autonumber
  actor Caller
  participant Model as model.InferColumnsInfo
  participant Infer as model.InferColumnType
  participant DT as isDatetime
  participant Time as time.Parse

  Caller->>Model: InferColumnsInfo(header, records)
  Model->>Model: Collect values per column
  loop For each column
    Model->>Infer: InferColumnType(values)
    alt Check datetime first
      Infer->>DT: isDatetime(v) for non-empty values
      DT->>Time: Parse against patterns (loop)
      Time-->>DT: success/fail
      DT-->>Infer: any value matched?
      alt any datetime and no text
        Infer-->>Model: ColumnTypeDatetime
      else Numeric or text checks
        Infer->>Infer: try strconv.Atoi/ParseFloat
        Infer-->>Model: ColumnTypeInteger/Real/Text
      end
    end
  end
  Model-->>Caller: []ColumnInfo

Loading

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~25 minutes

Possibly related PRs

• Add DumpOptions for DumpDatabase() #4 — Introduces the same DumpOptions API (OutputFormat, CompressionType, builders, FileExtension), likely coordinating types and usage across packages.

Poem

A nibble of types, a hop through time,
I sniff dates in strings—oh how they rhyme!
Columns inferred, extensions neat,
CSV or TSV—what a treat.
With zips and zsts I softly thrum,
Happy hops: refactors done. 🐇✨

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📥 Commits

Reviewing files that changed from the base of the PR and between 8231669 and c33024b.

📒 Files selected for processing (9)

• domain/model/column_inference.go (1 hunks)
• domain/model/column_inference_test.go (1 hunks)
• domain/model/common.go (0 hunks)
• domain/model/common_test.go (0 hunks)
• domain/model/dump_options.go (1 hunks)
• domain/model/dump_options_test.go (1 hunks)
• domain/model/errors.go (1 hunks)
• domain/model/types.go (1 hunks)
• domain/model/types_test.go (1 hunks)

✨ Finishing Touches

• 📝 Generate Docstrings

🧪 Generate unit tests

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch nchika/refactor-stream

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[github-actions]

Code Metrics Report

	main (8231669)	#14 (3da5e6e)	+/-
Coverage	85.0%	85.0%	0.0%
Test Execution Time	3s	3s	0s

Details

  |                     | main (8231669) | #14 (3da5e6e) | +/-  |
  |---------------------|----------------|---------------|------|
  | Coverage            |          85.0% |         85.0% | 0.0% |
  |   Files             |              7 |             9 |   +2 |
  |   Lines             |           1309 |          1309 |    0 |
  |   Covered           |           1113 |          1113 |    0 |
  | Test Execution Time |             3s |            3s |   0s |

Code coverage of files in pull request scope (97.1% → 97.1%)

Files	Coverage	+/-	Status
domain/model/column_inference.go	96.2%	+96.2%	added
domain/model/common.go	0.0%	-97.2%	removed
domain/model/dump_options.go	100.0%	+100.0%	added
domain/model/types.go	95.0%	+95.0%	added

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Reported by octocov