postgres init started

db/init.go

@@ -1,9 +0,0 @@
-package db
-
-import "git.cmdq.io/meirjann/DataLogue-Backend/log"
-
-var logger = log.New("db")
-
-func Init() {
-	logger.Println("init db...")
-}

db/pq/init.go

@@ -0,0 +1,67 @@
+package pq
+
+import (
+	"database/sql"
+	"errors"
+	"fmt"
+
+	"git.cmdq.io/meirjann/DataLogue-Backend/log"
+	_ "github.com/lib/pq"
+)
+
+type pqClient struct {
+	c *sql.DB
+}
+
+var (
+	logger = log.New("db")
+	db     = &pqClient{}
+)
+
+const (
+	DB_HOST = "localhost"
+	DB_NAME = "dataloguewdawd"
+	DB_PASS = "datalogueawdawd"
+	DB_USER = "datalogueawdawd"
+)
+
+func Init() error {
+	c, err := initConn()
+	if err != nil {
+		return err
+	}
+	db.c = c
+
+	err = checkOrCreateTables()
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func initConn() (*sql.DB, error) {
+	connStr := fmt.Sprintf("postgres://%s:%s@%s/%s?sslmode=verify-full", DB_USER, DB_PASS, DB_HOST, DB_NAME)
+	db, err := sql.Open("postgres", connStr)
+	if err != nil {
+		return nil, err
+	}
+	logger.Println("connection to postgres db established")
+	return db, nil
+}
+
+func CloseConn() error {
+	if db.c != nil {
+		err := db.c.Close()
+		if err != nil {
+			return err
+		}
+		logger.Println("connection to postgres db closed")
+		return nil
+	}
+	return errors.New("postgres connection nil, could not close")
+}
+
+func checkOrCreateTables() error {
+	return nil
+}

go.mod

@@ -1,3 +1,5 @@
 module git.cmdq.io/meirjann/DataLogue-Backend
 
 go 1.21.4
+
+require github.com/lib/pq v1.10.9

go.sum

@@ -0,0 +1,2 @@
+github.com/lib/pq v1.10.9 h1:YXG7RB+JIjhP29X+OtkiDnYaXQwpS4JEWq7dtCCRUEw=
+github.com/lib/pq v1.10.9/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=

main.go

@@ -3,7 +3,7 @@ package main
 import (
 	"git.cmdq.io/meirjann/DataLogue-Backend/api"
 	"git.cmdq.io/meirjann/DataLogue-Backend/configs"
-	"git.cmdq.io/meirjann/DataLogue-Backend/db"
+	"git.cmdq.io/meirjann/DataLogue-Backend/db/pq"
 	"git.cmdq.io/meirjann/DataLogue-Backend/log"
 )
 
@@ -14,7 +14,11 @@ func main() {
 	// set all configs
 	configs.Init()
 	// init db
-	db.Init()
+	err := pq.Init()
+	if err != nil {
+		panic(err)
+	}
+	defer pq.CloseConn()
 	// start api
 	api.Serve()
 }