93 lines
2.3 KiB
Go
93 lines
2.3 KiB
Go
package runner
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import (
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"fmt"
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"strconv"
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"strings"
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"time"
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"database/sql"
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_ "github.com/mattn/go-sqlite3"
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"github.com/xuri/excelize/v2"
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_ "embed"
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)
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//go:embed sql/schema.sql
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var schema string
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type Data struct {
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Description string `db:"description,omitempty"`
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SKU string `db:"sku,omitempty"`
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Level2 string `db:"level2,omitempty"`
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Level3 string `db:"level3,omitempty"`
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Revenue float64 `db:"revenue,omitempty"`
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Cost float64 `db:"cost,omitempty"`
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Quantity int64 `db:"quantity,omitempty"`
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Year int64 `db:"year,omitempty"`
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Month int64 `db:"month,omitempty"`
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Trend sql.NullFloat64 `db:"trend,omitempty"`
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}
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func (r *Runner) ProcessExcel(path string) {
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fmt.Println("Processing excel file...")
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start := time.Now()
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f, err := excelize.OpenFile(path)
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checkErr(err)
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rows, err := f.GetRows("Sheet1")
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checkErr(err)
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const offset = 3
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data := []Data{}
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for i, row := range rows {
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if i >= offset {
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new_data := Data{SKU: row[33], Level2: row[29], Level3: row[30], Description: row[44]}
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//Parse Rev
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rev, err := strconv.ParseFloat(row[72], 64)
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checkErr(err)
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new_data.Revenue = rev
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//Parse Cost
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cost, err := strconv.ParseFloat(row[16], 64)
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checkErr(err)
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new_data.Cost = cost
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//Parse Quantity
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qty, err := strconv.ParseInt(row[71], 10, 64)
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checkErr(err)
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new_data.Quantity = qty
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//Parse Time
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day, err := time.Parse("2006-01", row[26])
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checkErr(err)
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new_data.Year = int64(day.Year())
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new_data.Month = int64(day.Month())
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data = append(data, new_data)
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}
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}
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db, err := sql.Open("sqlite3", "data.db")
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checkErr(err)
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defer db.Close()
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db.Exec("DROP TABLE IF EXISTS data")
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db.Exec(schema)
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values := []string{}
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for _, elm := range data {
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values = append(values, fmt.Sprintf(`("%s","%s","%s","%s",%f,%f,%d,"%d","%d",%f)`, strings.ReplaceAll(elm.Description, "\"", ""), elm.SKU, elm.Level2, elm.Level3, elm.Revenue, elm.Cost, elm.Quantity, elm.Year, elm.Month, 0.0))
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}
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stmt := "INSERT INTO data (description,sku,level2,level3,revenue,cost,quantity,year,month,trend) VALUES " + strings.Join(values, ",")
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_, err = db.Exec(stmt)
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checkErr(err)
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elapsed := time.Since(start)
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fmt.Printf("Operation complete in %s\n", elapsed)
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}
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