48 lines
1.6 KiB
Go
48 lines
1.6 KiB
Go
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package model
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import (
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"SciencesServer/app/common/model"
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"SciencesServer/serve/orm"
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"fmt"
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)
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type ActivityInstance struct {
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*model.ActivityInstance
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}
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type ActivityInstanceInfo struct {
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*model.ActivityInstance
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JoinCount int `json:"join_count"`
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model.Area
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}
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// Activity 活动信息
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func (m *ActivityInstance) Activity(page, pageSize int, count *int64, where ...*model.ModelWhere) ([]*ActivityInstanceInfo, error) {
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db := orm.GetDB().Table(m.TableName()+" AS a").
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Select("a.id", "a.tenant_id", "a.mode", "a.image", "a.title", "a.begin_at", "a.finish_at", "a.join_deadline",
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"a.amount", "a.max_number", "a.status", "a.created_at", "j.count AS join_count", "t.province", "t.city").
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Joins(fmt.Sprintf("LEFT JOIN (SELECT activity_id, COUNT(id) AS count FROM %s WHERE is_delete = %d AND status = %d GROUP BY activity_id) AS j ON a.id = j.activity_id",
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model.NewActivityJoin().TableName(), model.DeleteStatusForNot, model.ActivityJoinStatusForSuccess)).
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Joins(fmt.Sprintf("LEFT JOIN %s AS t ON i.tenant_id = t.id", model.NewSysTenant().TableName())).
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Where("a.is_deleted = ?", model.DeleteStatusForNot)
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if len(where) > 0 {
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for _, wo := range where {
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db = db.Where(wo.Condition, wo.Value)
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}
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}
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out := make([]*ActivityInstanceInfo, 0)
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if err := db.Count(count).Error; err != nil {
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return nil, err
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}
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if err := db.Order("a.id " + model.OrderModeToDesc).Offset((page - 1) * pageSize).Limit(pageSize).Scan(&out).Error; err != nil {
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return nil, err
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}
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return out, nil
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}
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func NewActivityInstance() *ActivityInstance {
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return &ActivityInstance{model.NewActivityInstance()}
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}
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