48 lines
1.0 KiB
Go
48 lines
1.0 KiB
Go
package models
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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/joho/godotenv"
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_ "github.com/lib/pq"
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)
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var DB *sql.DB
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func InitDB() {
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// Load .env file
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err := godotenv.Load() // or specify path: godotenv.Load("/path/to/.env")
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if err != nil {
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log.Fatalf("Error loading .env file: %v", err)
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}
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// Get individual components from environment variables
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host := os.Getenv("DB_HOST")
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port := os.Getenv("DB_PORT")
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user := os.Getenv("DB_USER")
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password := os.Getenv("DB_PASSWORD")
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dbname := os.Getenv("DB_NAME")
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sslmode := os.Getenv("DB_SSLMODE") // optional, default "disable"
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// Build connection string
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dsn := fmt.Sprintf("host=%s port=%s user=%s password=%s dbname=%s sslmode=%s",
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host, port, user, password, dbname, sslmode)
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// Connect to DB
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DB, err = sql.Open("postgres", dsn)
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if err != nil {
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log.Fatalf("Failed to connect to DB: %v", err)
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}
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// Test connection
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err = DB.Ping()
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if err != nil {
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log.Fatalf("Failed to ping DB: %v", err)
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}
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fmt.Println("Database connection successful")
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}
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