fixes on structuring

pkg/models/db.go

@@ -1,9 +1,20 @@
 package models
 
-import "time"
+import (
+	"time"
+
+	"github.com/google/uuid"
+)
 
 type CommonModel struct {
-	Id          string    `json:"id" pg:"id"`
+	Id          string    `json:"id" pg:"id,pk"`
 	DateCreated time.Time `json:"dateCreated" pg:"datecreated"`
 	DateUpdated time.Time `json:"dateUpdated" pg:"dateupdated"`
 }
+
+func (cm *CommonModel) Init() {
+	date := time.Now()
+	cm.Id = uuid.NewString()
+	cm.DateCreated = date
+	cm.DateUpdated = date
+}