43 lines
1 KiB
Go
43 lines
1 KiB
Go
package db
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import (
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"database/sql"
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"fmt"
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"log"
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"os"
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_ "github.com/go-sql-driver/mysql"
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"github.com/joho/godotenv"
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)
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func InitDB() (*sql.DB, error) {
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// Load environment variables from .env file
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err := godotenv.Load()
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if err != nil {
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log.Println("Error loading .env file, using environment variables directly")
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}
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// Get database connection details from environment variables
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user := os.Getenv("DB_USER")
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pass := os.Getenv("DB_PASSWORD")
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host := os.Getenv("DB_HOST")
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port := os.Getenv("DB_PORT")
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dbname := os.Getenv("DB_NAME")
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// Construct the data source name (DSN)
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dsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s", user, pass, host, port, dbname)
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// Open a connection to the database
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db, err := sql.Open("mysql", dsn)
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if err != nil {
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return nil, fmt.Errorf("failed to open database connection: %w", err)
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}
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// Ping the database to ensure the connection is working
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if err := db.Ping(); err != nil {
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return nil, fmt.Errorf("failed to ping database: %w", err)
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}
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log.Println("Database connection established")
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return db, nil
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}
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