feat: add content management feature for superadmin

- Implemented API endpoint for fetching content list with filtering, sorting, and pagination.
- Added DTOs for content items and tenant information.
- Created frontend components for content management, including search and data table functionalities.
- Updated routing to include content management page.
- Enhanced the superadmin menu to navigate to the new content management section.
- Included necessary styles and scripts for the new content management interface.

backend/app/http/super/dto/content_page.go

@@ -0,0 +1,81 @@
+package dto
+
+import (
+	"strings"
+	"time"
+
+	"quyun/v2/app/requests"
+	"quyun/v2/database/models"
+	"quyun/v2/pkg/consts"
+)
+
+type SuperContentPageFilter struct {
+	requests.Pagination      `json:",inline" query:",inline"`
+	requests.SortQueryFilter `json:",inline" query:",inline"`
+
+	ID *int64 `json:"id,omitempty" query:"id"`
+
+	TenantID   *int64  `json:"tenant_id,omitempty" query:"tenant_id"`
+	TenantCode *string `json:"tenant_code,omitempty" query:"tenant_code"`
+	TenantName *string `json:"tenant_name,omitempty" query:"tenant_name"`
+
+	UserID   *int64  `json:"user_id,omitempty" query:"user_id"`
+	Username *string `json:"username,omitempty" query:"username"`
+
+	Keyword *string `json:"keyword,omitempty" query:"keyword"`
+
+	Status     *consts.ContentStatus     `json:"status,omitempty" query:"status"`
+	Visibility *consts.ContentVisibility `json:"visibility,omitempty" query:"visibility"`
+
+	PublishedAtFrom *time.Time `json:"published_at_from,omitempty" query:"published_at_from"`
+	PublishedAtTo   *time.Time `json:"published_at_to,omitempty" query:"published_at_to"`
+	CreatedAtFrom   *time.Time `json:"created_at_from,omitempty" query:"created_at_from"`
+	CreatedAtTo     *time.Time `json:"created_at_to,omitempty" query:"created_at_to"`
+
+	PriceAmountMin *int64 `json:"price_amount_min,omitempty" query:"price_amount_min"`
+	PriceAmountMax *int64 `json:"price_amount_max,omitempty" query:"price_amount_max"`
+}
+
+func (f *SuperContentPageFilter) KeywordTrimmed() string {
+	if f == nil || f.Keyword == nil {
+		return ""
+	}
+	return strings.TrimSpace(*f.Keyword)
+}
+
+func (f *SuperContentPageFilter) TenantCodeTrimmed() string {
+	if f == nil || f.TenantCode == nil {
+		return ""
+	}
+	return strings.ToLower(strings.TrimSpace(*f.TenantCode))
+}
+
+func (f *SuperContentPageFilter) TenantNameTrimmed() string {
+	if f == nil || f.TenantName == nil {
+		return ""
+	}
+	return strings.TrimSpace(*f.TenantName)
+}
+
+func (f *SuperContentPageFilter) UsernameTrimmed() string {
+	if f == nil || f.Username == nil {
+		return ""
+	}
+	return strings.TrimSpace(*f.Username)
+}
+
+type SuperContentTenantLite struct {
+	ID   int64  `json:"id"`
+	Code string `json:"code"`
+	Name string `json:"name"`
+}
+
+type SuperContentItem struct {
+	Content *models.Content         `json:"content,omitempty"`
+	Price   *models.ContentPrice    `json:"price,omitempty"`
+	Tenant  *SuperContentTenantLite `json:"tenant,omitempty"`
+	Owner   *SuperUserLite          `json:"owner,omitempty"`
+
+	StatusDescription     string `json:"status_description,omitempty"`
+	VisibilityDescription string `json:"visibility_description,omitempty"`
+}