sqlboiler/cmds/select.go
2016-02-23 22:38:24 +10:00

78 lines
1.5 KiB
Go

package cmds
import (
"bytes"
"fmt"
"go/format"
"os"
"text/template"
"github.com/pobri19/sqlboiler/dbdrivers"
"github.com/spf13/cobra"
)
func init() {
SQLBoiler.AddCommand(selectCmd)
selectCmd.Run = selectRun
}
var selectCmd = &cobra.Command{
Use: "select",
Short: "Generate select statement helpers from table definitions",
}
func selectRun(cmd *cobra.Command, args []string) {
out := generateSelects()
for _, v := range out {
os.Stdout.Write(v)
}
}
func generateSelects() [][]byte {
t, err := template.New("select.tpl").Funcs(template.FuncMap{
"makeGoColName": makeGoColName,
"makeGoVarName": makeGoVarName,
"makeSelectParamNames": makeSelectParamNames,
}).ParseFiles("templates/select.tpl")
if err != nil {
errorQuit(err)
}
var outputs [][]byte
for i := 0; i < len(cmdData.TablesInfo); i++ {
data := tplData{
TableName: cmdData.TableNames[i],
TableData: cmdData.TablesInfo[i],
}
var buf bytes.Buffer
if err = t.Execute(&buf, data); err != nil {
errorQuit(err)
}
out, err := format.Source(buf.Bytes())
if err != nil {
errorQuit(err)
}
outputs = append(outputs, out)
}
return outputs
}
func makeSelectParamNames(tableName string, data []dbdrivers.DBTable) string {
var paramNames string
for i := 0; i < len(data); i++ {
paramNames = fmt.Sprintf("%s%s AS %s", paramNames, data[i].ColName,
makeDBColName(tableName, data[i].ColName),
)
if len(data) != i+1 {
paramNames = paramNames + ", "
}
}
return paramNames
}