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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,116 @@ | ||
| package printer | ||
|
|
||
| import ( | ||
| "github.com/iancoleman/strcase" | ||
| "github.com/jedib0t/go-pretty/v6/table" | ||
| "github.com/jedib0t/go-pretty/v6/text" | ||
| "github.com/siyul-park/uniflow/pkg/primitive" | ||
| "github.com/xiatechs/jsonata-go" | ||
| ) | ||
|
|
||
| type ( | ||
| TableColumnDefinition struct { | ||
| Name string | ||
| Format string | ||
| } | ||
|
|
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| TablePrinter struct { | ||
| names []string | ||
| formats []*jsonata.Expr | ||
| } | ||
| ) | ||
|
|
||
| var ( | ||
| style = table.Style{ | ||
| Name: "StyleDefault", | ||
| Box: table.BoxStyle{ | ||
| BottomLeft: "", | ||
| BottomRight: "", | ||
| BottomSeparator: "", | ||
| EmptySeparator: text.RepeatAndTrim(" ", text.RuneWidthWithoutEscSequences(" ")), | ||
| Left: "", | ||
| LeftSeparator: "", | ||
| MiddleHorizontal: "", | ||
| MiddleSeparator: "", | ||
| MiddleVertical: "", | ||
| PaddingLeft: " ", | ||
| PaddingRight: " ", | ||
| PageSeparator: "\n", | ||
| Right: "", | ||
| RightSeparator: "", | ||
| TopLeft: "", | ||
| TopRight: "", | ||
| TopSeparator: "", | ||
| UnfinishedRow: " ~", | ||
| }, | ||
| Color: table.ColorOptionsDefault, | ||
| Format: table.FormatOptionsDefault, | ||
| HTML: table.DefaultHTMLOptions, | ||
| Options: table.Options{ | ||
| DrawBorder: true, | ||
| SeparateColumns: true, | ||
| SeparateFooter: false, | ||
| SeparateHeader: false, | ||
| SeparateRows: false, | ||
| }, | ||
| Title: table.TitleOptionsDefault, | ||
| } | ||
| ) | ||
|
|
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| func NewTable(columns []TableColumnDefinition) (*TablePrinter, error) { | ||
| names := make([]string, len(columns)) | ||
| formats := make([]*jsonata.Expr, len(columns)) | ||
|
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| for i, column := range columns { | ||
| name := strcase.ToScreamingSnake(column.Name) | ||
| format, err := jsonata.Compile(column.Format) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| names[i] = name | ||
| formats[i] = format | ||
| } | ||
|
|
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| return &TablePrinter{ | ||
| names: names, | ||
| formats: formats, | ||
| }, nil | ||
| } | ||
|
|
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| func (p *TablePrinter) Print(data any) (string, error) { | ||
| value, err := primitive.MarshalText(data) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| values, ok := value.(*primitive.Slice) | ||
| if !ok { | ||
| return "", nil | ||
| } | ||
| elements := values.Slice() | ||
|
|
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| header := make(table.Row, len(p.names)) | ||
| for i, name := range p.names { | ||
| header[i] = name | ||
| } | ||
|
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| rows := make([]table.Row, len(elements)) | ||
| for i, element := range elements { | ||
| row := make(table.Row, len(p.formats)) | ||
| for j, format := range p.formats { | ||
| if data, err := format.Eval(element); err != nil { | ||
| row[j] = nil | ||
| } else { | ||
| row[j] = data | ||
| } | ||
| } | ||
| rows[i] = row | ||
| } | ||
|
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| tb := table.NewWriter() | ||
| tb.SetStyle(style) | ||
| tb.AppendHeader(header) | ||
| tb.AppendRows(rows) | ||
|
|
||
| return tb.Render(), nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| package printer | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
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| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
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| func TestTablePrinter_Print(t *testing.T) { | ||
| data := []map[string]any{ | ||
| { | ||
| "foo": "foo", | ||
| "bar": "bar", | ||
| }, | ||
| } | ||
|
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| p, err := NewTable([]TableColumnDefinition{ | ||
| { | ||
| Name: "foo", | ||
| Format: "$.foo", | ||
| }, | ||
| { | ||
| Name: "bar", | ||
| Format: "$.bar", | ||
| }, | ||
| }) | ||
| assert.NoError(t, err) | ||
|
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| expect := " \n FOO BAR \n foo bar \n " | ||
|
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| table, err := p.Print(data) | ||
| assert.NoError(t, err) | ||
| assert.Equal(t, expect, table) | ||
| } |
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