New structure (#7)

pkg/models/list.go

@@ -0,0 +1,143 @@
+package models
+
+// List represents a list of tasks
+type List struct {
+	ID          int64  `xorm:"int(11) autoincr not null unique pk" json:"id" param:"list"`
+	Title       string `xorm:"varchar(250)" json:"title"`
+	Description string `xorm:"varchar(1000)" json:"description"`
+	OwnerID     int64  `xorm:"int(11) INDEX" json:"-"`
+	NamespaceID int64  `xorm:"int(11) INDEX" json:"-" param:"namespace"`
+
+	Owner User        `xorm:"-" json:"owner"`
+	Tasks []*ListTask `xorm:"-" json:"tasks"`
+
+	Created int64 `xorm:"created" json:"created"`
+	Updated int64 `xorm:"updated" json:"updated"`
+
+	CRUDable `xorm:"-" json:"-"`
+	Rights   `xorm:"-" json:"-"`
+}
+
+// GetListsByNamespaceID gets all lists in a namespace
+func GetListsByNamespaceID(nID int64) (lists []*List, err error) {
+	err = x.Where("namespace_id = ?", nID).Find(&lists)
+	return lists, err
+}
+
+// ReadAll gets all lists a user has access to
+func (l *List) ReadAll(u *User) (interface{}, error) {
+	lists := []*List{}
+	fullUser, err := GetUserByID(u.ID)
+	if err != nil {
+		return lists, err
+	}
+
+	// Gets all Lists where the user is either owner or in a team which has access to the list
+	// Or in a team which has namespace read access
+	err = x.Select("l.*").
+		Table("list").
+		Alias("l").
+		Join("INNER", []string{"namespaces", "n"}, "l.namespace_id = n.id").
+		Join("LEFT", []string{"team_namespaces", "tn"}, "tn.namespace_id = n.id").
+		Join("LEFT", []string{"team_members", "tm"}, "tm.team_id = tn.team_id").
+		Join("LEFT", []string{"team_list", "tl"}, "l.id = tl.list_id").
+		Join("LEFT", []string{"team_members", "tm2"}, "tm2.team_id = tl.team_id").
+		Join("LEFT", []string{"users_list", "ul"}, "ul.list_id = l.id").
+		Join("LEFT", []string{"users_namespace", "un"}, "un.namespace_id = l.namespace_id").
+		Where("tm.user_id = ?", fullUser.ID).
+		Or("tm2.user_id = ?", fullUser.ID).
+		Or("l.owner_id = ?", fullUser.ID).
+		Or("ul.user_id = ?", fullUser.ID).
+		Or("un.user_id = ?", fullUser.ID).
+		GroupBy("l.id").
+		Find(&lists)
+
+	// Add more list details
+	AddListDetails(lists)
+
+	return lists, err
+}
+
+// ReadOne gets one list by its ID
+func (l *List) ReadOne() (err error) {
+	err = l.GetSimpleByID()
+	if err != nil {
+		return err
+	}
+
+	// Get list tasks
+	l.Tasks, err = GetTasksByListID(l.ID)
+	if err != nil {
+		return err
+	}
+
+	// Get list owner
+	l.Owner, err = GetUserByID(l.OwnerID)
+	return
+}
+
+// GetSimpleByID gets a list with only the basic items, aka no tasks or user objects. Returns an error if the list does not exist.
+func (l *List) GetSimpleByID() (err error) {
+	if l.ID < 1 {
+		return ErrListDoesNotExist{ID: l.ID}
+	}
+
+	// We need to re-init our list object, because otherwise xorm creates a "where for every item in that list object,
+	// leading to not finding anything if the id is good, but for example the title is different.
+	id := l.ID
+	*l = List{}
+	exists, err := x.Where("id = ?", id).Get(l)
+	if err != nil {
+		return
+	}
+
+	if !exists {
+		return ErrListDoesNotExist{ID: l.ID}
+	}
+
+	return
+}
+
+// AddListDetails adds owner user objects and list tasks to all lists in the slice
+func AddListDetails(lists []*List) (err error) {
+	var listIDs []int64
+	var ownerIDs []int64
+	for _, l := range lists {
+		listIDs = append(listIDs, l.ID)
+		ownerIDs = append(ownerIDs, l.OwnerID)
+	}
+
+	// Get all tasks
+	ts := []*ListTask{}
+	err = x.In("list_id", listIDs).Find(&ts)
+	if err != nil {
+		return
+	}
+
+	// Get all list owners
+	owners := []*User{}
+	err = x.In("id", ownerIDs).Find(&owners)
+	if err != nil {
+		return
+	}
+
+	// Build it all into the lists slice
+	for in, list := range lists {
+		// Owner
+		for _, owner := range owners {
+			if list.OwnerID == owner.ID {
+				lists[in].Owner = *owner
+				break
+			}
+		}
+
+		// Tasks
+		for _, task := range ts {
+			if task.ListID == list.ID {
+				lists[in].Tasks = append(lists[in].Tasks, task)
+			}
+		}
+	}
+
+	return
+}