Lazydev Submission

README.md

@@ -17,3 +17,19 @@ Hackathon Challenge Season2
 ตัวอย่าง Data visualization
 
 [dev-mountain-visualization](https://dev-moutain-dataviz.netlify.app/)
+
+<hr>
+
+## Team [LAzyDev](https://github.com/LAzyDev-101)
+### Team member
+-   [@Endifly](https://github.com/Endifly)
+-   [@new4761](https://github.com/new4761)
+-   [@markkj](https://github.com/markkj)
+
+**[Repo](https://github.com/LAzyDev-101/todo)**
+
+### How to run Bonus question(Data Visualization)
+```shell
+go run cmd/bonusQ/main.go
+```
+is will serve at http://localhost:8081/

go.mod

@@ -0,0 +1,7 @@
+module github.com/markkj/hackathon-season2
+
+go 1.18
+
+require github.com/mattn/go-sqlite3 v1.14.15
+
+require github.com/go-echarts/go-echarts/v2 v2.2.4

go.sum

@@ -0,0 +1,19 @@
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/go-echarts/go-echarts/v2 v2.2.4 h1:SKJpdyNIyD65XjbUZjzg6SwccTNXEgmh+PlaO23g2H0=
+github.com/go-echarts/go-echarts/v2 v2.2.4/go.mod h1:6TOomEztzGDVDkOSCFBq3ed7xOYfbOqhaBzD0YV771A=
+github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
+github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/mattn/go-sqlite3 v1.14.15 h1:vfoHhTN1af61xCRSWzFIWzx2YskyMTwHLrExkBOjvxI=
+github.com/mattn/go-sqlite3 v1.14.15/go.mod h1:2eHXhiwb8IkHr+BDWZGa96P6+rkvnG63S2DGjv9HUNg=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.6.0 h1:jlIyCplCJFULU/01vCkhKuTyc3OorI3bJFuw6obfgho=
+github.com/stretchr/testify v1.6.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

internal/csv/csv.go

@@ -0,0 +1,159 @@
+package csv
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"os"
+	"strings"
+)
+
+type CsvData struct {
+	Columns []string
+	Records []string
+}
+
+func (c *CsvData) BuildCsvFile(outPath string) error {
+	csvFile, err := os.Create(outPath)
+	if err != nil {
+		return err
+	}
+	defer csvFile.Close()
+
+	_, err = csvFile.WriteString(prepareColunm(c.Columns))
+	if err != nil {
+		return err
+	}
+
+	err = prepareRow(c.Records, csvFile)
+	if err != nil {
+		return err
+	}
+	return err
+}
+
+func prepareRow(rows []string, file *os.File) error {
+	for i, s := range rows {
+		var sb strings.Builder
+		sb.WriteString(s)
+		// if is last data of rows no need to add "\n"
+		if i != len(rows)-1 {
+			sb.WriteString("\n")
+		}
+		_, err := file.Write([]byte(sb.String()))
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func prepareColunm(columns []string) string {
+	var sb strings.Builder
+	for i, s := range columns {
+		sb.WriteString(s)
+		// if is last data of column no need to add ";"
+		if i != len(columns)-1 {
+			sb.WriteString(";")
+		}
+	}
+	//add newline for end of colunm
+	sb.WriteString("\n")
+	return sb.String()
+}
+
+func (c *CsvData) SetColumn(columns []string) {
+	c.Columns = columns
+}
+
+func (c *CsvData) AddRecord(data []string) {
+	var sb strings.Builder
+	for i, s := range data {
+		sb.WriteString(s)
+		// if is last data of column no need to add ";"
+		if i != len(data)-1 {
+			sb.WriteString(";")
+		}
+	}
+	c.Records = append(c.Records, sb.String())
+}
+
+// CSVFileToMap reads csv file into slice of map
+func CSVFileToMap(filePath string) (returnMap []map[string]interface{}, err error) {
+
+	// read csv file
+	csvfile, err := os.Open(filePath)
+	if err != nil {
+		return nil, fmt.Errorf(err.Error())
+	}
+
+	defer csvfile.Close()
+
+	reader := bufio.NewReader(csvfile)
+	if err != nil {
+		return nil, err
+	}
+	header := []string{} // holds first row (header)
+	isFirstRow := true
+	for {
+		row, _, err := reader.ReadLine()
+		if err != nil {
+			// if EOF error we just jump out of loop
+			if err == io.EOF {
+				break
+			}
+			return nil, err
+		}
+		rowStr := string(row)
+		if isFirstRow {
+			str := strings.Split(rowStr, ";")
+			header = append(header, str...)
+			isFirstRow = false
+		} else {
+			// for each cell, map[string]string k=header v=value
+			line := make(map[string]interface{})
+			str := strings.Split(rowStr, ";")
+			for i := 0; i < len(str); i++ {
+				line[header[i]] = str[i]
+			}
+			returnMap = append(returnMap, line)
+		}
+	}
+	return
+}
+
+func CSVFileToList(filePath string) (returnMap [][]string, err error) {
+
+	// read csv file
+	csvfile, err := os.Open(filePath)
+	if err != nil {
+		return nil, fmt.Errorf(err.Error())
+	}
+
+	defer csvfile.Close()
+
+	reader := bufio.NewReader(csvfile)
+	if err != nil {
+		return nil, err
+	}
+
+	isFirstRow := true
+	for {
+		row, _, err := reader.ReadLine()
+		if err != nil {
+			// if EOF error we just jump out of loop
+			if err == io.EOF {
+				break
+			}
+			return nil, err
+		}
+		rowStr := string(row)
+		if isFirstRow {
+			isFirstRow = false
+		} else {
+			str := strings.Split(rowStr, ";")
+			returnMap = append(returnMap, str)
+		}
+	}
+	return
+}

internal/json/json.go

@@ -0,0 +1,34 @@
+package json
+
+import (
+	"encoding/json"
+	"os"
+)
+
+func ExportToJsonFile(records []map[string]interface{}, fileName string) error {
+	jsonFile, err := os.Create(fileName + ".json")
+	if err != nil {
+		return err
+	}
+	// adjust format of output
+	jsonFile.WriteString("[\n")
+	defer jsonFile.Close()
+	for i, row := range records {
+		jsonStr, err := json.MarshalIndent(row, "", " ")
+		if err != nil {
+			return err
+		}
+		//only add "," if not the last row
+		str := string(jsonStr)
+		if i != len(records)-1 {
+			str = str + ","
+		}
+		_, err = jsonFile.WriteString(str)
+		if err != nil {
+			return err
+		}
+	}
+	// adjust format of output
+	jsonFile.WriteString("\n]")
+	return nil
+}