implement graphQL and init postgres

local/model/base.go

@@ -8,22 +8,22 @@ import (
 
 // BaseModel provides common fields for all database models
 type BaseModel struct {
-	ID          string    `json:"id" gorm:"primary_key;type:varchar(36)"`
-	DateCreated time.Time `json:"dateCreated" gorm:"not null"`
-	DateUpdated time.Time `json:"dateUpdated" gorm:"not null"`
+	ID        string    `json:"id" gorm:"type:uuid;primary_key;default:gen_random_uuid()"`
+	CreatedAt time.Time `json:"created_at" gorm:"not null;default:now()"`
+	UpdatedAt time.Time `json:"updated_at" gorm:"not null;default:now()"`
 }
 
-// Init initializes base model with DateCreated, DateUpdated, and ID values
+// Init initializes base model with CreatedAt, UpdatedAt, and ID values
 func (bm *BaseModel) Init() {
 	now := time.Now().UTC()
 	bm.ID = uuid.NewString()
-	bm.DateCreated = now
-	bm.DateUpdated = now
+	bm.CreatedAt = now
+	bm.UpdatedAt = now
 }
 
-// UpdateTimestamp updates the DateUpdated field
+// UpdateTimestamp updates the UpdatedAt field
 func (bm *BaseModel) UpdateTimestamp() {
-	bm.DateUpdated = time.Now().UTC()
+	bm.UpdatedAt = time.Now().UTC()
 }
 
 // BeforeCreate is a GORM hook that runs before creating a record
@@ -76,7 +76,7 @@ func DefaultParams() Params {
 	return Params{
 		Page:      1,
 		Limit:     10,
-		SortBy:    "dateCreated",
+		SortBy:    "created_at",
 		SortOrder: "desc",
 	}
 }
@@ -90,7 +90,7 @@ func (p *Params) Validate() {
 		p.Limit = 10
 	}
 	if p.SortBy == "" {
-		p.SortBy = "dateCreated"
+		p.SortBy = "created_at"
 	}
 	if p.SortOrder != "asc" && p.SortOrder != "desc" {
 		p.SortOrder = "desc"