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