feat：完善项目

app/api/admin/model/technology_paper.go

@@ -0,0 +1,46 @@
+package model
+
+import (
+	"SciencesServer/app/common/model"
+	"SciencesServer/serve/orm"
+	"fmt"
+)
+
+type TechnologyPaper struct {
+	*model.TechnologyPaper
+}
+
+type TechnologyPaperInfo struct {
+	model.Model
+	model.ModelTenant
+	Title     string `json:"title"`
+	Author    string `json:"author"`
+	PublishAt string `json:"publish_at"`
+	model.Area
+}
+
+func (m *TechnologyPaper) Paper(page, pageSize int, count *int64, where ...*model.ModelWhere) ([]*TechnologyPaperInfo, error) {
+	db := orm.GetDB().Table(m.TableName()+" AS p").
+		Select("p.id", "p.title", "p.author", "a.publish_at", "p.tenant_id", "t.province", "t.city").
+		Joins(fmt.Sprintf("LEFT JOIN %s AS t ON p.tanant_id = t.id", model.NewSysTenant().TableName())).
+		Where("p.is_deleted = ?", model.DeleteStatusForNot)
+
+	if len(where) > 0 {
+		for _, v := range where {
+			db = db.Where(v.Condition, v.Value)
+		}
+	}
+	out := make([]*TechnologyPaperInfo, 0)
+
+	if err := db.Count(count).Error; err != nil {
+		return nil, err
+	}
+	if err := db.Order("p.id " + model.OrderModeToDesc).Offset((page - 1) * pageSize).Limit(pageSize).Scan(&out).Error; err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func NewTechnologyPaper() *TechnologyPaper {
+	return &TechnologyPaper{model.NewTechnologyPaper()}
+}