init panel-service

services/panel-service/internal/panel.go

@@ -0,0 +1,78 @@
+package internal
+
+import (
+	"context"
+	"regexp"
+	"strconv"
+
+	"github.com/go-ozzo/ozzo-validation/v4"
+	"github.com/jackc/pgx/v5/pgtype"
+)
+
+// Panel Model
+type Panel struct {
+	Id int64 `json:"id"`
+
+	Name string `json:"name"`
+	Description string `json:"description"`
+	
+	CreatedAt pgtype.Timestamp `json:"created_at"`
+	UpdatedAt pgtype.Timestamp `json:"updated_at"`
+}
+
+func StringifyPanelId(id int64) string {
+	return strconv.FormatInt(id, 10)
+}
+
+func DestringifyPanelId(reprId string) (int64, error) {
+	id, err := strconv.ParseInt(reprId, 10, 64)
+	if err != nil || id < 1 {
+		return 0, NewServiceError(InvalidArgumentErrorCode, "invalid panel id")
+	}
+	return id, nil
+}
+
+// Model for creating panels
+type PanelCreate struct {
+	Name string `json:"name"`
+	Description string `json:"description"`
+}
+
+func (p *PanelCreate) Validate() error {
+	return validation.ValidateStruct(
+		p,
+		validation.Field(&p.Name, validation.Required, validation.Length(3, 32), validation.Match(regexp.MustCompile("^[^_]\\w+[^_]$"))),
+		validation.Field(&p.Description, validation.Required, validation.Length(3, 512)),
+	)
+}
+
+// Model for updating a panel
+type PanelUpdate struct {
+	Name *string `json:"name,omitempty"`
+	Description *string `json:"description,omitempty"`
+}
+
+func (p *PanelUpdate) Validate() error {
+	return validation.ValidateStruct(
+		p,
+		validation.Field(&p.Name, validation.NilOrNotEmpty, validation.Length(3, 32), validation.Match(regexp.MustCompile("^[^_]\\w+[^_]$"))),
+		validation.Field(&p.Description, validation.NilOrNotEmpty, validation.Length(3, 512)),
+	)
+}
+
+// Interface methods
+type PanelService interface {
+	PanelRepository
+
+	GetPanelByName(ctx context.Context, name string) (*Panel, error)
+	UpdatePanelByName(ctx context.Context, name string, data PanelUpdate) (*Panel, error)
+	DeletePanelByName(ctx context.Context, name string) error
+}
+
+type PanelRepository interface {
+	CreatePanel(ctx context.Context, data PanelCreate) (*Panel, error)
+	GetPanel(ctx context.Context, id int64) (*Panel, error)
+	GetPanelIdFromName(ctx context.Context, name string) (*int64, error)
+	UpdatePanel(ctx context.Context, id int64, data PanelUpdate) (*Panel, error)
+	DeletePanel(ctx context.Context, id int64) error
+}