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Improve getting all namespaces performance (#526)

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Improve getting all namespaces performance

Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/api/pulls/526
This commit is contained in:
konrad 2020-05-15 15:10:22 +00:00
parent 8758fb6ac5
commit 587ce92dc9
1 changed files with 18 additions and 34 deletions
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50
pkg/models/namespace.go
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@ -211,30 +211,19 @@ func (n *Namespace) ReadAll(a web.Auth, search string, page int, perPage int) (r
return all, 0, 0, err
}
// Get all users
users := []*user.User{}
err = x.Select("users.*").
Table("namespaces").
Join("LEFT", "team_namespaces", "namespaces.id = team_namespaces.namespace_id").
Join("LEFT", "team_members", "team_members.team_id = team_namespaces.team_id").
Join("LEFT", "users_namespace", "users_namespace.namespace_id = namespaces.id").
Join("INNER", "users", "users.id = namespaces.owner_id").
Where("team_members.user_id = ?", doer.ID).
Or("namespaces.owner_id = ?", doer.ID).
Or("users_namespace.user_id = ?", doer.ID).
And("namespaces.is_archived = ?", n.IsArchived).
Where(isArchivedCond).
GroupBy("users.id").
Find(&users)
if err != nil {
return all, 0, 0, err
}
// Make a list of namespace ids
var namespaceids []int64
var userIDs []int64
for _, nsp := range all {
namespaceids = append(namespaceids, nsp.ID)
userIDs = append(userIDs, nsp.OwnerID)
}
// Get all owners
userMap := make(map[int64]*user.User)
err = x.In("id", userIDs).Find(&userMap)
if err != nil {
return all, 0, 0, err
}
// Get all lists
@ -287,24 +276,19 @@ func (n *Namespace) ReadAll(a web.Auth, search string, page int, perPage int) (r
return nil, 0, 0, err
}
nMap := make(map[int64]*NamespaceWithLists, len(all))
// Put objects in our namespace list
// TODO: Refactor this to use maps for better efficiency
for i, n := range all {
for _, n := range all {
// Users
for _, u := range users {
if n.OwnerID == u.ID {
all[i].Owner = u
break
}
n.Owner = userMap[n.OwnerID]
nMap[n.ID] = n
}
// List infos
for _, l := range lists {
if n.ID == l.NamespaceID {
all[i].Lists = append(all[i].Lists, l)
}
}
for _, list := range lists {
nMap[list.NamespaceID].Lists = append(nMap[list.NamespaceID].Lists, list)
}
numberOfTotalItems, err = x.