Recount-Server/recount-server.go
2023-12-30 10:35:51 -08:00

121 lines
3.1 KiB
Go

package main
import (
"database/sql"
"encoding/json"
"net/http"
"errors"
"fmt"
"log"
"os"
"time"
"github.com/shopspring/decimal"
_ "github.com/lib/pq"
"github.com/jmoiron/sqlx"
)
// "json:"json_code_name,omitempty"" (omit empty)
// if you use `json:"-"` it doesn't encode it
type Transaction struct {
Id int `db:"trns_id" json:"Id"`
Amount decimal.Decimal `db:"trns_amount" json:"Amount"`
Description sql.NullString `db:"trns_description" json:"Description"`
Account int `db:"trns_account" json:"Account"`
Bucket sql.NullInt64 `db:"trns_bucket" json:"Bucket"`
Date time.Time `db:"trns_date" json:"TransactionDate"`
}
func hello(w http.ResponseWriter, req *http.Request) {
fmt.Fprintf(w, "hello\n")
}
func headers(w http.ResponseWriter, req *http.Request) {
for name, headers := range req.Header {
for _, h := range headers {
fmt.Fprintf(w, "%v: %v\n", name, h)
}
}
}
func main() {
log.SetPrefix("RecountServer: ")
log.SetFlags(0)
//
db, err := sqlx.Connect("postgres", "user=rcntuser password=Devel@pmentPa$$w0rd host=10.0.0.183 dbname=Borealis sslmode=disable")
if err != nil {
log.Fatal(err)
}
log.Print("Database connected")
defer db.Close()
// Confirm a successful connection.
if err := db.Ping(); err != nil {
log.Fatal(err)
}
log.Print("Database successfully pinged")
transactions := []Transaction{}
err = db.Select(&transactions, "SELECT trns_id, trns_amount, trns_description, trns_account, trns_bucket, trns_date FROM rcnt.transactions ORDER BY trns_id DESC")
if err != nil {
log.Fatal(err)
}
fmt.Print(fmt.Sprintf("%+v\n", transactions))
log.Print("Select has been run")
for _, trns := range transactions {
if trns.Description.Valid {
//bytes, err := json.Marshal(trns)
bytes, err := json.MarshalIndent(trns, "", "\t")
if err != nil {
log.Fatal(err)
}
log.Println(string(bytes))
} else {
log.Print("amount invalid")
}
}
log.Print("select all run is done")
/*
jsonExample := `{
"Id": 3,
"Amount": "100",
"Description": {
"String": "Transaction 3",
"Valid": true
},
"Account": 1,
"Bucket": {
"Int64": 1,
"Valid": true
},
"TransactionDate": "2023-11-11T00:00:00Z"
}`
var trns Transaction = Transaction{}
err = json.Unmarshal([]byte(jsonExample), &trns)
if err != nil {
log.Println(err)
} else {
log.Println(trns.Amount)
}
*/
http.HandleFunc("/hello", hello)
//http.HandleFunc("/headers", headers)
http.ListenAndServe(":8090", nil)
if errors.Is(err, http.ErrServerClosed) {
fmt.Printf("server closed\n")
} else if err != nil {
fmt.Printf("error starting server: %s\n", err)
os.Exit(1)
}
//fmt.Println("Hello World")
}