feat: Update project structure and configuration files

backend/app/models/medias.go

@@ -0,0 +1,86 @@
+package models
+
+import (
+	"context"
+
+	"quyun/app/requests"
+	"quyun/database/schemas/public/model"
+	"quyun/database/schemas/public/table"
+
+	. "github.com/go-jet/jet/v2/postgres"
+	"github.com/sirupsen/logrus"
+)
+
+// @provider
+type mediasModel struct {
+	log *logrus.Entry `inject:"false"`
+}
+
+func (m *mediasModel) Prepare() error {
+	m.log = logrus.WithField("module", "mediasModel")
+	return nil
+}
+
+// countByCond
+func (m *mediasModel) countByCondition(ctx context.Context, expr BoolExpression) (int64, error) {
+	var cnt struct {
+		Cnt int64
+	}
+
+	tbl := table.Medias
+	stmt := SELECT(COUNT(tbl.ID).AS("cnt")).FROM(tbl).WHERE(expr)
+	m.log.Infof("sql: %s", stmt.DebugSql())
+
+	err := stmt.QueryContext(ctx, db, &cnt)
+	if err != nil {
+		m.log.Errorf("error counting media items: %v", err)
+		return 0, err
+	}
+
+	return cnt.Cnt, nil
+}
+
+func (m *mediasModel) List(ctx context.Context, pagination *requests.Pagination) (*requests.Pager, error) {
+	limit := pagination.Limit
+	offset := pagination.Offset()
+
+	tbl := table.Medias
+	stmt := tbl.
+		SELECT(tbl.AllColumns).
+		ORDER_BY(tbl.ID.DESC()).
+		LIMIT(limit).
+		OFFSET(offset)
+	m.log.Infof("sql: %s", stmt.DebugSql())
+
+	var medias []model.Medias
+	err := stmt.QueryContext(ctx, db, &medias)
+	if err != nil {
+		m.log.Errorf("error querying media items: %v", err)
+		return nil, err
+	}
+
+	count, err := m.countByCondition(ctx, Bool(true))
+	if err != nil {
+		m.log.Errorf("error getting media count: %v", err)
+		return nil, err
+	}
+
+	return &requests.Pager{
+		Items:      medias,
+		Total:      count,
+		Pagination: *pagination,
+	}, nil
+}
+
+func (m *mediasModel) Create(ctx context.Context, model *model.Medias) error {
+	stmt := table.Medias.INSERT(table.Medias.MutableColumns).MODEL(model)
+	m.log.Infof("sql: %s", stmt.DebugSql())
+
+	if _, err := stmt.ExecContext(ctx, db); err != nil {
+		m.log.Errorf("error creating media item: %v", err)
+		return err
+	}
+
+	m.log.Infof("media item created successfully")
+	return nil
+}