init: 1.0.0

internal/model/announcement/model.go

@@ -0,0 +1,49 @@
+package announcement
+
+import (
+	"context"
+
+	"github.com/redis/go-redis/v9"
+	"gorm.io/gorm"
+)
+
+type customAnnouncementLogicModel interface {
+	GetAnnouncementListByPage(ctx context.Context, page, size int, filter Filter) (int64, []*Announcement, error)
+}
+
+// NewModel returns a model for the database table.
+func NewModel(conn *gorm.DB, c *redis.Client) Model {
+	return &customAnnouncementModel{
+		defaultAnnouncementModel: newAnnouncementModel(conn, c),
+	}
+}
+
+type Filter struct {
+	Show   *bool
+	Pinned *bool
+	Popup  *bool
+	Search string
+}
+
+// GetAnnouncementListByPage  get announcement list by page
+func (m *customAnnouncementModel) GetAnnouncementListByPage(ctx context.Context, page, size int, filter Filter) (int64, []*Announcement, error) {
+	var list []*Announcement
+	var total int64
+	err := m.QueryNoCacheCtx(ctx, &list, func(conn *gorm.DB, v interface{}) error {
+		conn = conn.Model(&Announcement{})
+		if filter.Show != nil {
+			conn = conn.Where("`show` = ?", *filter.Show)
+		}
+		if filter.Pinned != nil {
+			conn = conn.Where("`pinned` = ?", *filter.Pinned)
+		}
+		if filter.Popup != nil {
+			conn = conn.Where("`popup` = ?", *filter.Popup)
+		}
+		if filter.Search != "" {
+			conn = conn.Where("`title` LIKE ? OR `content` LIKE ?", "%"+filter.Search+"%", "%"+filter.Search+"%")
+		}
+		return conn.Count(&total).Offset((page - 1) * size).Limit(size).Find(v).Error
+	})
+	return total, list, err
+}