79 lines
1.6 KiB
Go

package db
import (
"database/sql"
"fmt"
"log"
_ "github.com/lib/pq"
)
const (
host = "202.46.28.160"
port = 45432
user = "5803024005"
password = "pw5803024005"
dbname = "tgs01_5803024005"
)
var DB *sql.DB
func InitDB() {
psqlconn := fmt.Sprintf("host=%s port=%d user=%s password=%s dbname=%s sslmode=disable", host, port, user, password, dbname)
var err error
DB, err = sql.Open("postgres", psqlconn)
if err != nil {
log.Fatal("Failed to open database connection:", err)
}
// Test the connection
err = DB.Ping()
if err != nil {
log.Fatal("Failed to ping database:", err)
}
log.Println("Database connection established successfully")
// Create tables if they don't exist
createTables()
}
func createTables() {
// Create Groups table
createGroupsTable := `
CREATE TABLE IF NOT EXISTS "Groups" (
"GroupID" SERIAL PRIMARY KEY,
"GroupName" VARCHAR(255) NOT NULL
);`
_, err := DB.Exec(createGroupsTable)
if err != nil {
log.Fatal("Failed to create Groups table:", err)
}
// Create Tasks table
createTasksTable := `
CREATE TABLE IF NOT EXISTS "Tasks" (
"TaskID" SERIAL PRIMARY KEY,
"TaskName" VARCHAR(255) NOT NULL,
"TaskDescription" TEXT,
"GroupID" INTEGER REFERENCES "Groups"("GroupID") ON DELETE CASCADE,
"IsDone" BOOLEAN DEFAULT FALSE,
"CreatedAt" TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);`
_, err = DB.Exec(createTasksTable)
if err != nil {
log.Fatal("Failed to create Tasks table:", err)
}
log.Println("Database tables created/verified successfully")
}
func CheckError(err error) {
if err != nil {
panic(err)
}
}