|
1
|
|
|
package csvql |
|
2
|
|
|
|
|
3
|
|
|
import ( |
|
4
|
|
|
"adrianolaselva.github.io/csvql/pkg/exportdata/jsonl" |
|
5
|
|
|
"adrianolaselva.github.io/csvql/pkg/filehandler" |
|
6
|
|
|
csvHandler "adrianolaselva.github.io/csvql/pkg/filehandler/csv" |
|
7
|
|
|
"adrianolaselva.github.io/csvql/pkg/storage" |
|
8
|
|
|
"adrianolaselva.github.io/csvql/pkg/storage/sqlite" |
|
9
|
|
|
"database/sql" |
|
10
|
|
|
"fmt" |
|
11
|
|
|
"github.com/chzyer/readline" |
|
12
|
|
|
"github.com/fatih/color" |
|
13
|
|
|
_ "github.com/mattn/go-sqlite3" |
|
14
|
|
|
"github.com/rodaine/table" |
|
15
|
|
|
"github.com/schollz/progressbar/v3" |
|
16
|
|
|
"io" |
|
17
|
|
|
"os" |
|
18
|
|
|
"strings" |
|
19
|
|
|
) |
|
20
|
|
|
|
|
21
|
|
|
const ( |
|
22
|
|
|
cliPrompt = "csvql> " |
|
23
|
|
|
cliInterruptPrompt = "^C" |
|
24
|
|
|
cliEOFPrompt = "exit" |
|
25
|
|
|
) |
|
26
|
|
|
|
|
27
|
|
|
type Csvql interface { |
|
28
|
|
|
Run() error |
|
29
|
|
|
Close() error |
|
30
|
|
|
} |
|
31
|
|
|
|
|
32
|
|
|
type csvql struct { |
|
33
|
|
|
storage storage.Storage |
|
34
|
|
|
bar *progressbar.ProgressBar |
|
35
|
|
|
params CsvqlParams |
|
36
|
|
|
fileHandler filehandler.FileHandler |
|
37
|
|
|
} |
|
38
|
|
|
|
|
39
|
|
|
func New(params CsvqlParams) (Csvql, error) { |
|
40
|
|
|
sqLiteStorage, err := sqlite.NewSqLiteStorage(params.DataSourceName) |
|
41
|
|
|
if err != nil { |
|
42
|
|
|
return nil, err |
|
43
|
|
|
} |
|
44
|
|
|
|
|
45
|
|
|
bar := progressbar.NewOptions(0, |
|
46
|
|
|
progressbar.OptionSetWriter(os.Stdout), |
|
47
|
|
|
progressbar.OptionEnableColorCodes(true), |
|
48
|
|
|
progressbar.OptionShowBytes(true), |
|
49
|
|
|
progressbar.OptionFullWidth(), |
|
50
|
|
|
progressbar.OptionSetDescription("[cyan][1/1][reset] loading data..."), |
|
51
|
|
|
progressbar.OptionSetTheme(progressbar.Theme{ |
|
52
|
|
|
Saucer: "[green]=[reset]", |
|
53
|
|
|
SaucerHead: "[green]>[reset]", |
|
54
|
|
|
SaucerPadding: " ", |
|
55
|
|
|
BarStart: "[", |
|
56
|
|
|
BarEnd: "]", |
|
57
|
|
|
})) |
|
58
|
|
|
|
|
59
|
|
|
impData := csvHandler.NewCsvHandler(params.FileInput, rune(params.Delimiter[0]), bar, sqLiteStorage) |
|
60
|
|
|
|
|
61
|
|
|
return &csvql{params: params, bar: bar, fileHandler: impData, storage: sqLiteStorage}, nil |
|
62
|
|
|
} |
|
63
|
|
|
|
|
64
|
|
|
func (c *csvql) Run() error { |
|
65
|
|
|
defer c.bar.Clear() |
|
66
|
|
|
|
|
67
|
|
|
if err := c.fileHandler.Import(); err != nil { |
|
68
|
|
|
return fmt.Errorf("failed to import data %s", err) |
|
69
|
|
|
} |
|
70
|
|
|
defer c.fileHandler.Close() |
|
71
|
|
|
|
|
72
|
|
|
return c.execute() |
|
73
|
|
|
} |
|
74
|
|
|
|
|
75
|
|
|
func (c *csvql) execute() error { |
|
76
|
|
|
if c.params.Query != "" && c.params.Export == "" { |
|
77
|
|
|
return c.executeQuery(c.params.Query) |
|
78
|
|
|
} |
|
79
|
|
|
|
|
80
|
|
|
if c.params.Query != "" && c.params.Export != "" { |
|
81
|
|
|
return c.executeQueryAndExport(c.params.Query) |
|
82
|
|
|
} |
|
83
|
|
|
|
|
84
|
|
|
if err := c.initializePrompt(); err != nil { |
|
85
|
|
|
return err |
|
86
|
|
|
} |
|
87
|
|
|
|
|
88
|
|
|
return nil |
|
89
|
|
|
} |
|
90
|
|
|
|
|
91
|
|
|
func (c *csvql) Close() error { |
|
92
|
|
|
defer func(fileHandler filehandler.FileHandler) { |
|
93
|
|
|
_ = fileHandler.Close() |
|
94
|
|
|
}(c.fileHandler) |
|
95
|
|
|
|
|
96
|
|
|
return nil |
|
97
|
|
|
} |
|
98
|
|
|
|
|
99
|
|
|
func (c *csvql) initializePrompt() error { |
|
100
|
|
|
l, err := readline.NewEx(&readline.Config{ |
|
101
|
|
|
Prompt: cliPrompt, |
|
102
|
|
|
InterruptPrompt: cliInterruptPrompt, |
|
103
|
|
|
EOFPrompt: cliEOFPrompt, |
|
104
|
|
|
AutoComplete: readline.SegmentFunc(func(i [][]rune, i2 int) [][]rune { |
|
105
|
|
|
return nil |
|
106
|
|
|
}), |
|
107
|
|
|
}) |
|
108
|
|
|
if err != nil { |
|
109
|
|
|
return err |
|
110
|
|
|
} |
|
111
|
|
|
defer l.Close() |
|
112
|
|
|
|
|
113
|
|
|
l.CaptureExitSignal() |
|
114
|
|
|
|
|
115
|
|
|
for { |
|
116
|
|
|
line, err := l.Readline() |
|
117
|
|
|
if err == readline.ErrInterrupt { |
|
118
|
|
|
if len(line) == 0 { |
|
119
|
|
|
break |
|
120
|
|
|
} |
|
121
|
|
|
|
|
122
|
|
|
continue |
|
123
|
|
|
} |
|
124
|
|
|
|
|
125
|
|
|
if err == io.EOF { |
|
126
|
|
|
break |
|
127
|
|
|
} |
|
128
|
|
|
|
|
129
|
|
|
line = strings.TrimSpace(line) |
|
130
|
|
|
if err := c.executeQuery(line); err != nil { |
|
131
|
|
|
fmt.Fprintf(os.Stderr, "%s\n", err.Error()) |
|
132
|
|
|
} |
|
133
|
|
|
} |
|
134
|
|
|
|
|
135
|
|
|
return nil |
|
136
|
|
|
} |
|
137
|
|
|
|
|
138
|
|
|
func (c *csvql) executeQueryAndExport(line string) error { |
|
139
|
|
|
c.bar.Reset() |
|
140
|
|
|
c.bar.ChangeMax(c.fileHandler.Lines()) |
|
141
|
|
|
defer c.bar.Finish() |
|
142
|
|
|
|
|
143
|
|
|
rows, err := c.storage.Query(line) |
|
144
|
|
|
if err != nil { |
|
145
|
|
|
return err |
|
146
|
|
|
} |
|
147
|
|
|
defer rows.Close() |
|
148
|
|
|
|
|
149
|
|
|
return jsonl.NewJsonlExport(rows, c.params.Export, c.bar).Export() |
|
150
|
|
|
} |
|
151
|
|
|
|
|
152
|
|
|
func (c *csvql) executeQuery(line string) error { |
|
153
|
|
|
rows, err := c.storage.Query(line) |
|
154
|
|
|
if err != nil { |
|
155
|
|
|
return err |
|
156
|
|
|
} |
|
157
|
|
|
defer rows.Close() |
|
158
|
|
|
|
|
159
|
|
|
return c.printResult(rows) |
|
160
|
|
|
} |
|
161
|
|
|
|
|
162
|
|
|
func (c *csvql) printResult(rows *sql.Rows) error { |
|
163
|
|
|
columns, err := rows.Columns() |
|
164
|
|
|
if err != nil { |
|
165
|
|
|
return err |
|
166
|
|
|
} |
|
167
|
|
|
|
|
168
|
|
|
cols := make([]interface{}, 0) |
|
169
|
|
|
for _, c := range columns { |
|
170
|
|
|
cols = append(cols, c) |
|
171
|
|
|
} |
|
172
|
|
|
|
|
173
|
|
|
tbl := table.New(cols...). |
|
174
|
|
|
WithHeaderFormatter(color.New(color.FgGreen, color.Underline).SprintfFunc()). |
|
175
|
|
|
WithFirstColumnFormatter(color.New(color.FgYellow).SprintfFunc()). |
|
176
|
|
|
WithWriter(os.Stdout) |
|
177
|
|
|
|
|
178
|
|
|
for rows.Next() { |
|
179
|
|
|
values := make([]interface{}, len(columns)) |
|
180
|
|
|
pointers := make([]interface{}, len(columns)) |
|
181
|
|
|
for i := range values { |
|
182
|
|
|
pointers[i] = &values[i] |
|
183
|
|
|
} |
|
184
|
|
|
|
|
185
|
|
|
if err := rows.Scan(pointers...); err != nil { |
|
186
|
|
|
return err |
|
187
|
|
|
} |
|
188
|
|
|
|
|
189
|
|
|
tbl.AddRow(values...) |
|
190
|
|
|
} |
|
191
|
|
|
|
|
192
|
|
|
_ = c.bar.Clear() |
|
193
|
|
|
tbl.Print() |
|
194
|
|
|
|
|
195
|
|
|
return nil |
|
196
|
|
|
} |
|
197
|
|
|
|
adrianolaselva /
csvql
