mirror of
https://github.com/balzack/databag.git
synced 2025-02-12 19:49:16 +00:00
105 lines
2.8 KiB
Go
105 lines
2.8 KiB
Go
package databag
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import (
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"errors"
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"net/http"
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"gorm.io/gorm"
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"github.com/gorilla/mux"
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"databag/internal/store"
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)
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func RemoveChannelTopic(w http.ResponseWriter, r *http.Request) {
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// scan parameters
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params := mux.Vars(r)
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channelId := params["channelId"]
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topicId := params["topicId"]
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channelSlot, guid, err, code := getChannelSlot(r, true)
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if err != nil {
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ErrResponse(w, code, err)
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return
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}
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act := &channelSlot.Account
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// load topic
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var topicSlot store.TopicSlot
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if ret := store.DB.Preload("Topic.Channel.ChannelSlot").Where("account_id = ? AND topic_slot_id = ?", act.ID, topicId).First(&topicSlot).Error; ret != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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ErrResponse(w, http.StatusNotFound, ret)
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} else {
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ErrResponse(w, http.StatusInternalServerError, ret)
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}
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}
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if topicSlot.Topic == nil {
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ErrResponse(w, http.StatusNotFound, errors.New("referenced empty topic"))
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return
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}
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if topicSlot.Topic.Channel.ChannelSlot.ChannelSlotId != channelId {
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ErrResponse(w, http.StatusNotFound, errors.New("channel topic not found"))
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return
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}
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// check permission
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if topicSlot.Topic.Guid != guid {
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ErrResponse(w, http.StatusUnauthorized, errors.New("not creator of topic"))
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return
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}
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err = store.DB.Transaction(func(tx *gorm.DB) error {
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if res := tx.Where("topic_id = ?", topicSlot.Topic.ID).Delete(&store.Tag{}).Error; res != nil {
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return res
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}
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if res := tx.Where("topic_id = ?", topicSlot.Topic.ID).Delete(&store.TagSlot{}).Error; res != nil {
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return res
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}
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if res := tx.Where("topic_id = ?", topicSlot.Topic.ID).Delete(&store.Asset{}).Error; res != nil {
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return res
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}
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if res := tx.Delete(&topicSlot.Topic).Error; res != nil {
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return res
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}
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topicSlot.Topic = nil
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if res := tx.Model(&topicSlot).Update("revision", act.ChannelRevision + 1).Error; res != nil {
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return res
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}
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if res := tx.Model(&channelSlot.Channel).Update("topic_revision", act.ChannelRevision + 1).Error; res != nil {
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return res
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}
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if res := tx.Model(&channelSlot).Update("revision", act.ChannelRevision + 1).Error; res != nil {
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return res
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}
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if res := tx.Model(act).Update("channel_revision", act.ChannelRevision + 1).Error; res != nil {
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return res
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}
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return nil
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})
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if err != nil {
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ErrResponse(w, http.StatusInternalServerError, err)
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return
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}
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// cleanup file assets
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go garbageCollect(act)
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// determine affected contact list
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cards := make(map[string]store.Card)
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for _, card := range channelSlot.Channel.Cards {
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cards[card.Guid] = card
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}
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for _, group := range channelSlot.Channel.Groups {
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for _, card := range group.Cards {
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cards[card.Guid] = card
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}
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}
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SetStatus(act)
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for _, card := range cards {
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SetContactChannelNotification(act, &card)
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}
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WriteResponse(w, nil)
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}
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