feat：完善项目

app/api/admin/controller/service/demand.go

@@ -0,0 +1,84 @@
+package service
+
+import (
+	"SciencesServer/app/api/admin/model"
+	"SciencesServer/app/basic/controller"
+	model2 "SciencesServer/app/common/model"
+	"SciencesServer/app/session"
+	"errors"
+)
+
+type Demand struct {
+	*session.Admin
+}
+
+type DemandHandle func(session *session.Admin) *Demand
+
+type (
+	// DemandInfo 需求信息
+	DemandInfo struct {
+		ID string `json:"id"`
+		*model.ServiceDemandInfo
+		Area string `json:"area"`
+	}
+)
+
+// Instance 首页信息
+func (c *Demand) Instance(tenantID uint64, title string, kind, page, pageSize int) (*controller.ReturnPages, error) {
+	mServiceDemand := model.NewServiceDemand()
+
+	where := make([]*model2.ModelWhere, 0)
+
+	if c.TenantID > 0 {
+		where = append(where, model2.NewWhere("d.tenant_id", c.TenantID))
+	}
+	if tenantID > 0 {
+		where = append(where, model2.NewWhere("d.tenant_id", tenantID))
+	}
+	if title != "" {
+		where = append(where, model2.NewWhereLike("d.title", title))
+	}
+	if kind > 0 {
+		where = append(where, model2.NewWhere("d.kind", kind))
+	}
+	var count int64
+
+	out, err := mServiceDemand.Demand(page, pageSize, &count, where...)
+
+	if err != nil {
+		return nil, err
+	}
+	list := make([]*DemandInfo, 0)
+
+	for _, v := range out {
+		list = append(list, &DemandInfo{
+			ID:                v.GetEncodeID(),
+			ServiceDemandInfo: v,
+			Area:              v.FormatBasic(),
+		})
+	}
+	return &controller.ReturnPages{Data: list, Count: count}, nil
+}
+
+// Delete 删除操作
+func (c *Demand) Delete(id uint64) error {
+	mServiceDemand := model.NewServiceDemand()
+	mServiceDemand.ID = id
+
+	isExist, err := model2.FirstField(mServiceDemand.ServiceDemand, []string{"id", "tenant_id"})
+
+	if err != nil {
+		return err
+	} else if !isExist {
+		return errors.New("操作错误，需求信息不存在或已被删除")
+	} else if c.TenantID > 0 && mServiceDemand.TenantID != c.TenantID {
+		return errors.New("操作错误，无权限操作")
+	}
+	return model2.Delete(mServiceDemand.ServiceDemand)
+}
+
+func NewDemand() DemandHandle {
+	return func(session *session.Admin) *Demand {
+		return &Demand{session}
+	}
+}