feat：完善活动信息

app/api/enterprise/controller/activity/instance.go

@@ -0,0 +1,79 @@
+package activity
+
+import (
+	"SciencesServer/app/api/enterprise/model"
+	"SciencesServer/app/basic/controller"
+	model2 "SciencesServer/app/common/model"
+	"SciencesServer/app/session"
+	"time"
+)
+
+type Instance struct {
+	*session.Enterprise
+	local string
+}
+
+type InstanceHandle func(session *session.Enterprise, local string) *Instance
+
+type InstanceForJoin struct {
+	*model.ActivityInstanceJoinInfo
+	ID string `json:"id"`
+}
+
+// Joins 活动参加信息
+func (c *Instance) Joins(title string, status, page, pageSize int) (*controller.ReturnPages, error) {
+	mActivityInstance := model.NewActivityInstance()
+
+	where := []*model2.ModelWhere{
+		model2.NewWhere("a.local", c.local),
+		model2.NewWhere("a.identity", c.Identity),
+		model2.NewWhere("j.m_uid", c.UID),
+	}
+
+	if title != "" {
+		where = append(where, model2.NewWhereLike("a.title", title))
+	}
+	if status > 0 {
+		now := time.Now()
+
+		if status == 1 { // 未开始
+			where = append(where, model2.NewWhereCondition("a.begin_at", ">", now))
+		} else if status == 2 { // 进行中
+			where = append(where, model2.NewWhereCondition("a.begin_at", "<=", now),
+				model2.NewWhereCondition("a.finish_at", ">=", now))
+		} else { // 已结束
+			where = append(where, model2.NewWhereCondition("a.finish_at", "<", now))
+		}
+	}
+	var count int64
+
+	out, err := mActivityInstance.Joins(page, pageSize, &count, where...)
+
+	if err != nil {
+		return nil, err
+	}
+	list := make([]*InstanceForJoin, 0)
+
+	for _, v := range out {
+		mActivityInstance.SetID(v.ID)
+
+		list = append(list, &InstanceForJoin{
+			ID:                       mActivityInstance.GetEncodeID(),
+			ActivityInstanceJoinInfo: v,
+		})
+	}
+	return &controller.ReturnPages{Data: out, Count: count}, err
+}
+
+// JoinDelete 活动参加信息删除
+func (c *Instance) JoinDelete(id uint64) error {
+	mActivityJoin := model.NewActivityJoin()
+	mActivityJoin.ID = id
+	return model2.Delete(mActivityJoin.ActivityJoin)
+}
+
+func NewInstance() InstanceHandle {
+	return func(session *session.Enterprise, local string) *Instance {
+		return &Instance{Enterprise: session, local: local}
+	}
+}