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Creates the DB Tables when a new DB is created

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This commit is contained in:
Jan Barfuss 2024-12-25 16:40:56 +01:00
parent 7302b77915
commit d360d52f01
4 changed files with 79 additions and 6 deletions
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33
database/bookholder.sql Normal file
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@ -0,0 +1,33 @@
CREATE TABLE accounts (
name "char" NOT NULL,
kind "char" NOT NULL,
id integer NOT NULL
);
CREATE TABLE transaction (
id uuid NOT NULL,
amount double precision NOT NULL,
debit boolean NOT NULL,
offset_account integer NOT NULL,
account integer NOT NULL,
date timestamp without time zone NOT NULL,
description "char"
);
CREATE TABLE users (
name "char" NOT NULL,
password "char" NOT NULL,
id integer
);
ALTER TABLE ONLY accounts
ADD CONSTRAINT accounts_pkey PRIMARY KEY (id);
ALTER TABLE ONLY transaction
ADD CONSTRAINT transaction_pkey PRIMARY KEY (id);
ALTER TABLE ONLY transaction
ADD CONSTRAINT "Account" FOREIGN KEY (account) REFERENCES accounts(id) NOT VALID;
ALTER TABLE ONLY transaction
ADD CONSTRAINT "Offset" FOREIGN KEY (offset_account) REFERENCES accounts(id) NOT VALID;

39
database/database.go
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@ -3,6 +3,8 @@ package database
import (
"database/sql"
"errors"
"os"
"strings"
_ "github.com/jackc/pgx/v5/stdlib"
)
@ -19,6 +21,10 @@ var (
database DB
)
const (
SqlFile = "./database/bookholder.sql"
)
func SetEnv(env map[string]string) *DB {
var db DB
@ -44,7 +50,7 @@ func New() (*sql.DB, error) {
}
func connect() string {
return "postgres://" + database.User + ":" + database.Password + "@" + database.Host + ":" + database.Host + "/" + database.Name + "?sslmode=disable"
return "postgres://" + database.User + ":" + database.Password + "@" + database.Host + ":" + database.Port + "/" + database.Name + "?sslmode=disable"
//return "user=" + database.User + " password=" + database.Password + " host=" + database.Host + " dbname=" + database.Name + " sslmode=disable"
}
@ -76,6 +82,8 @@ func createDatabase() {
if err != nil {
panic(err)
}
createTables()
}
func checkTables() {
@ -83,6 +91,27 @@ func checkTables() {
}
func createTables() {
sqlFile, err := os.ReadFile(SqlFile)
if err != nil {
panic(err)
}
sqlStatements := strings.Split(string(sqlFile), ";")
conn, err := sql.Open("pgx", connect())
if err != nil {
panic(err)
}
defer conn.Close()
for _, statement := range sqlStatements {
_, err := conn.Exec(statement)
if err != nil {
panic(err)
}
}
}
@ -147,7 +176,7 @@ func GetAccount(database *sql.DB, id int) (Account, error) {
}
func NewTransaction(database *sql.DB, transaction Transaction) error {
_, err := database.Exec("INSERT INTO transactions (amount, debit, offset_account, account, time, description) VALUES ($1, $2, $3, $4, $5, $6)", transaction.Amount, transaction.Debit, transaction.OffsetAccount, transaction.Account, transaction.Time, transaction.Description)
_, err := database.Exec("INSERT INTO transactions (amount, debit, offset_account, account, time, description) VALUES ($1, $2, $3, $4, $5, $6)", transaction.Amount, transaction.Debit, transaction.OffsetAccount, transaction.Account, transaction.Date, transaction.Description)
if err != nil {
return err
}
@ -156,7 +185,7 @@ func NewTransaction(database *sql.DB, transaction Transaction) error {
}
func UpdateTransaction(database *sql.DB, transaction Transaction) error {
_, err := database.Exec("UPDATE transactions SET amount = $1, debit = $2, offset_account = $3, account = $4, time = $5, description = $6 WHERE id = $7", transaction.Amount, transaction.Debit, transaction.OffsetAccount, transaction.Account, transaction.Time, transaction.Description, transaction.ID)
_, err := database.Exec("UPDATE transactions SET amount = $1, debit = $2, offset_account = $3, account = $4, time = $5, description = $6 WHERE id = $7", transaction.Amount, transaction.Debit, transaction.OffsetAccount, transaction.Account, transaction.Date, transaction.Description, transaction.ID)
if err != nil {
return err
}
@ -175,7 +204,7 @@ func DeleteTransaction(database *sql.DB, id int) error {
func GetTransaction(database *sql.DB, id int) (Transaction, error) {
var transaction Transaction
err := database.QueryRow("SELECT * FROM transactions WHERE id = $1", id).Scan(&transaction.ID, &transaction.Amount, &transaction.Debit, &transaction.OffsetAccount, &transaction.Account, &transaction.Time, &transaction.Description)
err := database.QueryRow("SELECT * FROM transactions WHERE id = $1", id).Scan(&transaction.ID, &transaction.Amount, &transaction.Debit, &transaction.OffsetAccount, &transaction.Account, &transaction.Date, &transaction.Description)
if err != nil {
return transaction, err
}
@ -204,7 +233,7 @@ func GetTransactions(database *sql.DB, account int, year int, month int) ([]Tran
for row.Next() {
var transaction Transaction
err := row.Scan(&transaction.ID, &transaction.Amount, &transaction.Debit, &transaction.OffsetAccount, &transaction.Account, &transaction.Time, &transaction.Description)
err := row.Scan(&transaction.ID, &transaction.Amount, &transaction.Debit, &transaction.OffsetAccount, &transaction.Account, &transaction.Date, &transaction.Description)
if err != nil {
return nil, err
}

2
database/models.go
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@ -14,7 +14,7 @@ type Transaction struct {
Debit bool
OffsetAccount uint
Account uint
Time time.Time
Date time.Time
Description string
}

11
server/server.go
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@ -41,8 +41,13 @@ func Run(env map[string]string, db *database.DB) {
r := gin.Default()
r.GET("/", welcome)
v1 := r.Group("/v1")
{
//Welcome
v1.GET("/", welcome)
//Account
v1.GET("/Account/:AccountID", checkAuth, getAccount)
v1.POST("/NewAccount", checkAuth, newAccount)
@ -77,3 +82,9 @@ func Run(env map[string]string, db *database.DB) {
r.Run(":8080")
}
}
func welcome(c *gin.Context) {
c.JSON(http.StatusOK, gin.H{
"message": "Welcome to Bookholder API",
})
}